mirror of
https://gitlab.gnome.org/GNOME/glib.git
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Move remaining docs inline
This introduces a fake source file just for holding docs that have no good place elsewhere. Not great, but better than templates.
This commit is contained in:
parent
127df9bd83
commit
3f0d275295
@ -43,7 +43,6 @@
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<title>GLib Fundamentals</title>
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<title>GLib Fundamentals</title>
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<xi:include href="xml/version.xml" />
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<xi:include href="xml/version.xml" />
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<xi:include href="xml/types.xml" />
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<xi:include href="xml/types.xml" />
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<xi:include href="xml/limits.xml" />
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<xi:include href="xml/macros.xml" />
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<xi:include href="xml/macros.xml" />
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<xi:include href="xml/type_conversion.xml" />
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<xi:include href="xml/type_conversion.xml" />
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<xi:include href="xml/byte_order.xml" />
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<xi:include href="xml/byte_order.xml" />
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@ -11,100 +11,90 @@ guchar
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<SUBSECTION>
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<SUBSECTION>
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gint
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gint
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G_MININT
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G_MAXINT
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guint
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guint
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G_MAXUINT
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gshort
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gshort
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G_MINSHORT
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G_MAXSHORT
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gushort
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gushort
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G_MAXUSHORT
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glong
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glong
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G_MINLONG
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G_MAXLONG
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gulong
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gulong
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G_MAXULONG
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<SUBSECTION>
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<SUBSECTION>
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gint8
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gint8
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G_MININT8
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G_MAXINT8
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guint8
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guint8
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G_MAXUINT8
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gint16
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gint16
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G_MININT16
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G_MAXINT16
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G_GINT16_MODIFIER
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G_GINT16_FORMAT
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guint16
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guint16
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G_MAXUINT16
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G_GUINT16_FORMAT
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gint32
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gint32
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G_MININT32
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G_MAXINT32
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G_GINT32_MODIFIER
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G_GINT32_FORMAT
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guint32
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guint32
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G_MAXUINT32
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<SUBSECTION>
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G_GUINT32_FORMAT
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G_HAVE_GINT64
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gint64
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gint64
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guint64
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G_MININT64
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G_MAXINT64
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G_GINT64_MODIFIER
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G_GINT64_FORMAT
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G_GINT64_CONSTANT
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G_GINT64_CONSTANT
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guint64
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G_MAXUINT64
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G_GUINT64_FORMAT
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G_GUINT64_CONSTANT
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G_GUINT64_CONSTANT
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<SUBSECTION>
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<SUBSECTION>
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gfloat
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gfloat
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G_MINFLOAT
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G_MAXFLOAT
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gdouble
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gdouble
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G_MINDOUBLE
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G_MAXDOUBLE
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<SUBSECTION>
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<SUBSECTION>
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gsize
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gsize
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G_MAXSIZE
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G_GSIZE_MODIFIER
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G_GSIZE_FORMAT
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gssize
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gssize
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G_MINSSIZE
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G_MAXSSIZE
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G_GSSIZE_FORMAT
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goffset
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goffset
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G_MINOFFSET
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G_MAXOFFSET
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G_GOFFSET_MODIFIER
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G_GOFFSET_FORMAT
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G_GOFFSET_CONSTANT
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G_GOFFSET_CONSTANT
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<SUBSECTION>
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<SUBSECTION>
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gintptr
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gintptr
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G_GINTPTR_MODIFIER
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G_GINTPTR_FORMAT
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guintptr
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guintptr
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G_GUINTPTR_FORMAT
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<SUBSECTION Private>
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<SUBSECTION Private>
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GLIB_SIZEOF_VOID_P
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GLIB_SIZEOF_VOID_P
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GLIB_SIZEOF_LONG
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GLIB_SIZEOF_LONG
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GLIB_SIZEOF_SIZE_T
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GLIB_SIZEOF_SIZE_T
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</SECTION>
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G_HAVE_GINT64
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<SECTION>
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<TITLE>Limits of Basic Types</TITLE>
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<FILE>limits</FILE>
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G_MININT
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G_MAXINT
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G_MAXUINT
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<SUBSECTION>
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G_MINSHORT
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G_MAXSHORT
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G_MAXUSHORT
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<SUBSECTION>
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G_MINLONG
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G_MAXLONG
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G_MAXULONG
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<SUBSECTION>
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G_MININT8
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G_MAXINT8
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G_MAXUINT8
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<SUBSECTION>
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G_MININT16
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G_MAXINT16
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G_MAXUINT16
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<SUBSECTION>
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G_MININT32
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G_MAXINT32
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G_MAXUINT32
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<SUBSECTION>
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G_MININT64
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G_MAXINT64
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G_MAXUINT64
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<SUBSECTION>
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G_MAXSIZE
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G_MINSSIZE
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G_MAXSSIZE
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<SUBSECTION>
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G_MINOFFSET
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G_MAXOFFSET
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<SUBSECTION>
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G_MINFLOAT
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G_MAXFLOAT
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<SUBSECTION>
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G_MINDOUBLE
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G_MAXDOUBLE
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</SECTION>
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</SECTION>
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<SECTION>
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<SECTION>
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@ -165,6 +155,8 @@ G_MEM_ALIGN
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<SUBSECTION>
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<SUBSECTION>
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G_CONST_RETURN
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G_CONST_RETURN
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<SUBSECTION>
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G_N_ELEMENTS
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</SECTION>
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</SECTION>
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<SECTION>
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<SECTION>
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@ -302,7 +294,6 @@ G_IEEE754_DOUBLE_BIAS
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GFloatIEEE754
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GFloatIEEE754
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GDoubleIEEE754
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GDoubleIEEE754
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<SUBSECTION>
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<SUBSECTION>
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<SUBSECTION>
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G_E
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G_E
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G_LN2
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G_LN2
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@ -327,9 +318,6 @@ G_STMT_END
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G_BEGIN_DECLS
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G_BEGIN_DECLS
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G_END_DECLS
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G_END_DECLS
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<SUBSECTION>
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G_N_ELEMENTS
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<SUBSECTION>
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<SUBSECTION>
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G_VA_COPY
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G_VA_COPY
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@ -374,25 +362,6 @@ G_UNLIKELY
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G_STRLOC
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G_STRLOC
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G_STRFUNC
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G_STRFUNC
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<SUBSECTION>
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G_GINT16_MODIFIER
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G_GINT16_FORMAT
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G_GUINT16_FORMAT
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G_GINT32_MODIFIER
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G_GINT32_FORMAT
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G_GUINT32_FORMAT
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G_GINT64_MODIFIER
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G_GINT64_FORMAT
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G_GUINT64_FORMAT
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G_GSIZE_MODIFIER
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G_GSIZE_FORMAT
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G_GSSIZE_FORMAT
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G_GOFFSET_MODIFIER
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G_GOFFSET_FORMAT
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G_GINTPTR_MODIFIER
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G_GINTPTR_FORMAT
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G_GUINTPTR_FORMAT
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<SUBSECTION Private>
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<SUBSECTION Private>
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GLIB_VAR
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GLIB_VAR
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G_STRINGIFY_ARG
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G_STRINGIFY_ARG
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8
docs/reference/glib/tmpl/.gitignore
vendored
8
docs/reference/glib/tmpl/.gitignore
vendored
@ -6,6 +6,7 @@ async_queues.sgml
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atomic_operations.sgml
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atomic_operations.sgml
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base64.sgml
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base64.sgml
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bookmarkfile.sgml
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bookmarkfile.sgml
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byte_order.sgml
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caches.sgml
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caches.sgml
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checksum.sgml
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checksum.sgml
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completion.sgml
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completion.sgml
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@ -29,8 +30,11 @@ hooks.sgml
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iochannels.sgml
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iochannels.sgml
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i18n.sgml
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i18n.sgml
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keyfile.sgml
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keyfile.sgml
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limits.sgml
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linked_lists_double.sgml
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linked_lists_double.sgml
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linked_lists_single.sgml
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linked_lists_single.sgml
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macros.sgml
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macros_misc.sgml
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main.sgml
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main.sgml
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markup.sgml
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markup.sgml
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memory_chunks.sgml
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memory_chunks.sgml
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@ -39,6 +43,7 @@ memory.sgml
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messages.sgml
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messages.sgml
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misc_utils.sgml
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misc_utils.sgml
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modules.sgml
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modules.sgml
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numerical.sgml
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option.sgml
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option.sgml
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patterns.sgml
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patterns.sgml
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quarks.sgml
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quarks.sgml
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@ -61,6 +66,9 @@ timezone.sgml
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trash_stack.sgml
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trash_stack.sgml
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trees-binary.sgml
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trees-binary.sgml
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trees-nary.sgml
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trees-nary.sgml
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type_conversion.sgml
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types.sgml
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unicode.sgml
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unicode.sgml
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version.sgml
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version.sgml
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warnings.sgml
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warnings.sgml
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windows.sgml
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@ -1,628 +0,0 @@
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<!-- ##### SECTION Title ##### -->
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Byte Order Macros
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<!-- ##### SECTION Short_Description ##### -->
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a portable way to convert between different byte orders
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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These macros provide a portable way to determine the host byte order
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and to convert values between different byte orders.
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</para>
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<para>
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The byte order is the order in which bytes are stored to create larger
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data types such as the #gint and #glong values.
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The host byte order is the byte order used on the current machine.
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</para>
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<para>
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Some processors store the most significant bytes (i.e. the bytes that
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hold the largest part of the value) first. These are known as big-endian
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processors.
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</para>
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<para>
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Other processors (notably the x86 family) store the most significant byte
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last. These are known as little-endian processors.
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</para>
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<para>
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Finally, to complicate matters, some other processors store the bytes in
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a rather curious order known as PDP-endian. For a 4-byte word, the 3rd
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most significant byte is stored first, then the 4th, then the 1st and finally
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the 2nd.
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</para>
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<para>
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Obviously there is a problem when these different processors communicate
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with each other, for example over networks or by using binary file formats.
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This is where these macros come in.
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They are typically used to convert values into a byte order
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which has been agreed on for use when communicating between different
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processors. The Internet uses what is known as 'network byte order'
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as the standard byte order (which is in fact the big-endian byte order).
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</para>
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<para>
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Note that the byte order conversion macros may evaluate their arguments
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multiple times, thus you should not use them with arguments which have
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side-effects.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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</para>
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<!-- ##### SECTION Stability_Level ##### -->
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<!-- ##### SECTION Image ##### -->
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<!-- ##### MACRO G_BYTE_ORDER ##### -->
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<para>
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The host byte order.
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This can be either #G_LITTLE_ENDIAN or #G_BIG_ENDIAN (support for
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#G_PDP_ENDIAN may be added in future.)
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</para>
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<!-- ##### MACRO G_LITTLE_ENDIAN ##### -->
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<para>
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Specifies one of the possible types of byte order.
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See #G_BYTE_ORDER.
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</para>
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<!-- ##### MACRO G_BIG_ENDIAN ##### -->
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<para>
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Specifies one of the possible types of byte order.
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See #G_BYTE_ORDER.
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</para>
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<!-- ##### MACRO G_PDP_ENDIAN ##### -->
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<para>
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Specifies one of the possible types of byte order (currently unused).
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See #G_BYTE_ORDER.
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</para>
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<!-- ##### MACRO g_htonl ##### -->
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<para>
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Converts a 32-bit integer value from host to network byte order.
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</para>
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@val: a 32-bit integer value in host byte order.
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@Returns: @val converted to network byte order.
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<!-- ##### MACRO g_htons ##### -->
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<para>
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Converts a 16-bit integer value from host to network byte order.
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</para>
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@val: a 16-bit integer value in host byte order.
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@Returns: @val converted to network byte order.
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<!-- ##### MACRO g_ntohl ##### -->
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<para>
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Converts a 32-bit integer value from network to host byte order.
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</para>
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@val: a 32-bit integer value in network byte order.
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@Returns: @val converted to host byte order.
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<!-- ##### MACRO g_ntohs ##### -->
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<para>
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Converts a 16-bit integer value from network to host byte order.
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</para>
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@val: a 16-bit integer value in network byte order.
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@Returns: @val converted to host byte order.
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<!-- ##### MACRO GINT_FROM_BE ##### -->
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<para>
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Converts a #gint value from big-endian to host byte order.
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</para>
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@val: a #gint value in big-endian byte order.
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@Returns: @val converted to host byte order.
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<!-- ##### MACRO GINT_FROM_LE ##### -->
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<para>
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Converts a #gint value from little-endian to host byte order.
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</para>
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@val: a #gint value in little-endian byte order.
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@Returns: @val converted to host byte order.
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<!-- ##### MACRO GINT_TO_BE ##### -->
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<para>
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Converts a #gint value from host byte order to big-endian.
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</para>
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@val: a #gint value in host byte order.
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@Returns: @val converted to big-endian byte order.
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|
||||||
<!-- ##### MACRO GINT_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GLONG_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #glong value from big-endian to the host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #glong value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GLONG_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #glong value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #glong value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GLONG_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #glong value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #glong value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GLONG_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #glong value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #glong value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GULONG_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gulong value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gulong value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GULONG_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gulong value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gulong value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GULONG_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gulong value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gulong value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GULONG_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gulong value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gulong value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSIZE_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gsize value from big-endian to the host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gsize value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSIZE_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gsize value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gsize value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSIZE_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gsize value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gsize value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSIZE_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gsize value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gsize value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSSIZE_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gssize value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gssize value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSSIZE_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gssize value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gssize value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSSIZE_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gssize value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gssize value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSSIZE_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gssize value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gssize value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT16_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint16 value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint16 value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT16_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint16 value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint16 value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT16_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint16 value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint16 value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT16_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint16 value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint16 value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT16_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint16 value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint16 value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT16_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint16 value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint16 value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT16_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint16 value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint16 value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT16_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint16 value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint16 value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT32_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint32 value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint32 value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT32_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint32 value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint32 value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT32_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint32 value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint32 value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT32_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint32 value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint32 value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT32_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint32 value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint32 value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT32_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint32 value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint32 value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT32_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint32 value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint32 value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT32_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint32 value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint32 value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT64_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint64 value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint64 value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT64_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint64 value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint64 value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT64_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint64 value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint64 value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT64_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #gint64 value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #gint64 value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT64_FROM_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint64 value from big-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint64 value in big-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT64_FROM_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint64 value from little-endian to host byte order.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint64 value in little-endian byte order.
|
|
||||||
@Returns: @val converted to host byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT64_TO_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint64 value from host byte order to big-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint64 value in host byte order.
|
|
||||||
@Returns: @val converted to big-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT64_TO_LE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint64 value from host byte order to little-endian.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint64 value in host byte order.
|
|
||||||
@Returns: @val converted to little-endian.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT16_SWAP_BE_PDP ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint16 value between big-endian and pdp-endian byte order.
|
|
||||||
The conversion is symmetric so it can be used both ways.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint16 value in big-endian or pdp-endian byte order.
|
|
||||||
@Returns: @val converted to the opposite byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT16_SWAP_LE_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint16 value between little-endian and big-endian byte order.
|
|
||||||
The conversion is symmetric so it can be used both ways.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint16 value in little-endian or big-endian byte order.
|
|
||||||
@Returns: @val converted to the opposite byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT16_SWAP_LE_PDP ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint16 value between little-endian and pdp-endian byte order.
|
|
||||||
The conversion is symmetric so it can be used both ways.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint16 value in little-endian or pdp-endian byte order.
|
|
||||||
@Returns: @val converted to the opposite byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT32_SWAP_BE_PDP ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint32 value between big-endian and pdp-endian byte order.
|
|
||||||
The conversion is symmetric so it can be used both ways.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint32 value in big-endian or pdp-endian byte order.
|
|
||||||
@Returns: @val converted to the opposite byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT32_SWAP_LE_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint32 value between little-endian and big-endian byte order.
|
|
||||||
The conversion is symmetric so it can be used both ways.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint32 value in little-endian or big-endian byte order.
|
|
||||||
@Returns: @val converted to the opposite byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT32_SWAP_LE_PDP ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint32 value between little-endian and pdp-endian byte order.
|
|
||||||
The conversion is symmetric so it can be used both ways.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint32 value in little-endian or pdp-endian byte order.
|
|
||||||
@Returns: @val converted to the opposite byte order.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT64_SWAP_LE_BE ##### -->
|
|
||||||
<para>
|
|
||||||
Converts a #guint64 value between little-endian and big-endian byte order.
|
|
||||||
The conversion is symmetric so it can be used both ways.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a #guint64 value in little-endian or big-endian byte order.
|
|
||||||
@Returns: @val converted to the opposite byte order.
|
|
||||||
|
|
||||||
|
|
@ -1,253 +0,0 @@
|
|||||||
<!-- ##### SECTION Title ##### -->
|
|
||||||
Limits of Basic Types
|
|
||||||
|
|
||||||
<!-- ##### SECTION Short_Description ##### -->
|
|
||||||
portable method of determining the limits of the standard types
|
|
||||||
|
|
||||||
<!-- ##### SECTION Long_Description ##### -->
|
|
||||||
<para>
|
|
||||||
These macros provide a portable method to determine the limits of some of
|
|
||||||
the standard integer and floating point types.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION See_Also ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION Stability_Level ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### SECTION Image ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MININT ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #gint.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXINT ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gint.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXUINT ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #guint.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MINSHORT ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #gshort.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXSHORT ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gshort.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXUSHORT ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gushort.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MINLONG ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #glong.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXLONG ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #glong.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXULONG ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gulong.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MININT8 ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #gint8.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXINT8 ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gint8.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXUINT8 ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #guint8.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MININT16 ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #gint16.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXINT16 ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gint16.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXUINT16 ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #guint16.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MININT32 ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #gint32.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXINT32 ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gint32.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXUINT32 ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #guint32.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MININT64 ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #gint64.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXINT64 ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gint64.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXUINT64 ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #guint64.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXSIZE ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gsize.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MINSSIZE ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #gssize.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.14
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXSSIZE ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gssize.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.14
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MINOFFSET ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum value which can be held in a #goffset.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXOFFSET ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #goffset.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MINFLOAT ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum positive value which can be held in a #gfloat.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
If you are interested in the smallest value which can be held in a #gfloat,
|
|
||||||
use -G_MAXFLOAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXFLOAT ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gfloat.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MINDOUBLE ##### -->
|
|
||||||
<para>
|
|
||||||
The minimum positive value which can be held in a #gdouble.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
If you are interested in the smallest value which can be held in a #gdouble,
|
|
||||||
use -G_MAXDOUBLE.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MAXDOUBLE ##### -->
|
|
||||||
<para>
|
|
||||||
The maximum value which can be held in a #gdouble.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -1,233 +0,0 @@
|
|||||||
<!-- ##### SECTION Title ##### -->
|
|
||||||
Standard Macros
|
|
||||||
|
|
||||||
<!-- ##### SECTION Short_Description ##### -->
|
|
||||||
commonly-used macros.
|
|
||||||
|
|
||||||
<!-- ##### SECTION Long_Description ##### -->
|
|
||||||
<para>
|
|
||||||
These macros provide a few commonly-used features.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION See_Also ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION Stability_Level ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### SECTION Image ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_OS_WIN32 ##### -->
|
|
||||||
<para>
|
|
||||||
This macro is defined only on Windows. So you can bracket
|
|
||||||
Windows-specific code in "#ifdef G_OS_WIN32".
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_OS_BEOS ##### -->
|
|
||||||
<para>
|
|
||||||
This macro is defined only on BeOS. So you can bracket
|
|
||||||
BeOS-specific code in "#ifdef G_OS_BEOS".
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_OS_UNIX ##### -->
|
|
||||||
<para>
|
|
||||||
This macro is defined only on UNIX. So you can bracket
|
|
||||||
UNIX-specific code in "#ifdef G_OS_UNIX".
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_DIR_SEPARATOR ##### -->
|
|
||||||
<para>
|
|
||||||
The directory separator character.
|
|
||||||
This is '/' on UNIX machines and '\' under Windows.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_DIR_SEPARATOR_S ##### -->
|
|
||||||
<para>
|
|
||||||
The directory separator as a string.
|
|
||||||
This is "/" on UNIX machines and "\" under Windows.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_IS_DIR_SEPARATOR ##### -->
|
|
||||||
<para>
|
|
||||||
Checks whether a character is a directory
|
|
||||||
separator. It returns %TRUE for '/' on UNIX
|
|
||||||
machines and for '\' or '/' under Windows.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@c: a character
|
|
||||||
@Since: 2.6
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_SEARCHPATH_SEPARATOR ##### -->
|
|
||||||
<para>
|
|
||||||
The search path separator character.
|
|
||||||
This is ':' on UNIX machines and ';' under Windows.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_SEARCHPATH_SEPARATOR_S ##### -->
|
|
||||||
<para>
|
|
||||||
The search path separator as a string.
|
|
||||||
This is ":" on UNIX machines and ";" under Windows.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO TRUE ##### -->
|
|
||||||
<para>
|
|
||||||
Defines the %TRUE value for the #gboolean type.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO FALSE ##### -->
|
|
||||||
<para>
|
|
||||||
Defines the %FALSE value for the #gboolean type.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO NULL ##### -->
|
|
||||||
<para>
|
|
||||||
Defines the standard %NULL pointer.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO MIN ##### -->
|
|
||||||
<para>
|
|
||||||
Calculates the minimum of @a and @b.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@a: a numeric value.
|
|
||||||
@b: a numeric value.
|
|
||||||
@Returns: the minimum of @a and @b.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO MAX ##### -->
|
|
||||||
<para>
|
|
||||||
Calculates the maximum of @a and @b.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@a: a numeric value.
|
|
||||||
@b: a numeric value.
|
|
||||||
@Returns: the maximum of @a and @b.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO ABS ##### -->
|
|
||||||
<para>
|
|
||||||
Calculates the absolute value of @a.
|
|
||||||
The absolute value is simply the number with any negative sign taken away.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
For example,
|
|
||||||
<itemizedlist>
|
|
||||||
<listitem><para>
|
|
||||||
ABS(-10) is 10.
|
|
||||||
</para></listitem>
|
|
||||||
<listitem><para>
|
|
||||||
ABS(10) is also 10.
|
|
||||||
</para></listitem>
|
|
||||||
</itemizedlist>
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@a: a numeric value.
|
|
||||||
@Returns: the absolute value of @a.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO CLAMP ##### -->
|
|
||||||
<para>
|
|
||||||
Ensures that @x is between the limits set by @low and @high. If @low is
|
|
||||||
greater than @high the result is undefined.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
For example,
|
|
||||||
<itemizedlist>
|
|
||||||
<listitem><para>
|
|
||||||
CLAMP(5, 10, 15) is 10.
|
|
||||||
</para></listitem>
|
|
||||||
<listitem><para>
|
|
||||||
CLAMP(15, 5, 10) is 10.
|
|
||||||
</para></listitem>
|
|
||||||
<listitem><para>
|
|
||||||
CLAMP(20, 15, 25) is 20.
|
|
||||||
</para></listitem>
|
|
||||||
</itemizedlist>
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@x: the value to clamp.
|
|
||||||
@low: the minimum value allowed.
|
|
||||||
@high: the maximum value allowed.
|
|
||||||
@Returns: the value of @x clamped to the range between @low and @high.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STRUCT_MEMBER ##### -->
|
|
||||||
<para>
|
|
||||||
Returns a member of a structure at a given offset, using the given type.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@member_type: the type of the struct field.
|
|
||||||
@struct_p: a pointer to a struct.
|
|
||||||
@struct_offset: the offset of the field from the start of the struct, in bytes.
|
|
||||||
@Returns: the struct member.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STRUCT_MEMBER_P ##### -->
|
|
||||||
<para>
|
|
||||||
Returns an untyped pointer to a given offset of a struct.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@struct_p: a pointer to a struct.
|
|
||||||
@struct_offset: the offset from the start of the struct, in bytes.
|
|
||||||
@Returns: an untyped pointer to @struct_p plus @struct_offset bytes.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STRUCT_OFFSET ##### -->
|
|
||||||
<para>
|
|
||||||
Returns the offset, in bytes, of a member of a struct.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@struct_type: a structure type, e.g. <structname>GtkWidget</structname>.
|
|
||||||
@member: a field in the structure, e.g. <structfield>window</structfield>.
|
|
||||||
@Returns: the offset of @member from the start of @struct_type.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_MEM_ALIGN ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_CONST_RETURN ##### -->
|
|
||||||
<para>
|
|
||||||
If %G_DISABLE_CONST_RETURNS is defined, this macro expands to nothing.
|
|
||||||
By default, the macro expands to <literal>const</literal>. The macro
|
|
||||||
should be used in place of <literal>const</literal> for functions that
|
|
||||||
return a value that should not be modified. The purpose of this macro is
|
|
||||||
to allow us to turn on <literal>const</literal> for returned constant
|
|
||||||
strings by default, while allowing programmers who find that annoying to
|
|
||||||
turn it off. This macro should only be used for return values and for
|
|
||||||
<emphasis>out</emphasis> parameters, it doesn't make sense for
|
|
||||||
<emphasis>in</emphasis> parameters.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Deprecated: 2.30: API providers should replace all existing uses with
|
|
||||||
<literal>const</literal> and API consumers should adjust their code
|
|
||||||
accordingly.
|
|
||||||
|
|
||||||
|
|
@ -1,743 +0,0 @@
|
|||||||
<!-- ##### SECTION Title ##### -->
|
|
||||||
Miscellaneous Macros
|
|
||||||
|
|
||||||
<!-- ##### SECTION Short_Description ##### -->
|
|
||||||
specialized macros which are not used often
|
|
||||||
|
|
||||||
<!-- ##### SECTION Long_Description ##### -->
|
|
||||||
<para>
|
|
||||||
These macros provide more specialized features which are not needed so often
|
|
||||||
by application programmers.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION See_Also ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION Stability_Level ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### SECTION Image ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_INLINE_FUNC ##### -->
|
|
||||||
<para>
|
|
||||||
This macro is used to export function prototypes so they can be linked
|
|
||||||
with an external version when no inlining is performed. The file which
|
|
||||||
implements the functions should define %G_IMPLEMENTS_INLINES
|
|
||||||
before including the headers which contain %G_INLINE_FUNC declarations.
|
|
||||||
Since inlining is very compiler-dependent using these macros correctly
|
|
||||||
is very difficult. Their use is strongly discouraged.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
This macro is often mistaken for a replacement for the inline keyword;
|
|
||||||
inline is already declared in a portable manner in the glib headers
|
|
||||||
and can be used normally.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STMT_START ##### -->
|
|
||||||
<para>
|
|
||||||
Used within multi-statement macros so that they can be used in places where
|
|
||||||
only one statement is expected by the compiler.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STMT_END ##### -->
|
|
||||||
<para>
|
|
||||||
Used within multi-statement macros so that they can be used in places where
|
|
||||||
only one statement is expected by the compiler.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_BEGIN_DECLS ##### -->
|
|
||||||
<para>
|
|
||||||
Used (along with #G_END_DECLS) to bracket header files. If the
|
|
||||||
compiler in use is a C++ compiler, adds <literal>extern "C"</literal>
|
|
||||||
around the header.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_END_DECLS ##### -->
|
|
||||||
<para>
|
|
||||||
Used (along with #G_BEGIN_DECLS) to bracket header files. If the
|
|
||||||
compiler in use is a C++ compiler, adds <literal>extern "C"</literal>
|
|
||||||
around the header.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_N_ELEMENTS ##### -->
|
|
||||||
<para>
|
|
||||||
Determines the number of elements in an array. The array must be
|
|
||||||
declared so the compiler knows its size at compile-time; this
|
|
||||||
macro will not work on an array allocated on the heap, only static
|
|
||||||
arrays or arrays on the stack.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@arr: the array
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_VA_COPY ##### -->
|
|
||||||
<para>
|
|
||||||
Portable way to copy <type>va_list</type> variables.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
In order to use this function, you must include <filename>string.h</filename>
|
|
||||||
yourself, because this macro may use <function>memmove()</function> and GLib
|
|
||||||
does not include <function>string.h</function> for you.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@ap1: the <type>va_list</type> variable to place a copy of @ap2 in.
|
|
||||||
@ap2: a <type>va_list</type>.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STRINGIFY ##### -->
|
|
||||||
<para>
|
|
||||||
Accepts a macro or a string and converts it into a string after
|
|
||||||
preprocessor argument expansion. For example, the following code:
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<informalexample><programlisting>
|
|
||||||
#define AGE 27
|
|
||||||
const gchar *greeting = G_STRINGIFY (AGE) " today!";
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
<para>
|
|
||||||
is transformed by the preprocessor into (code equivalent to):
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<informalexample><programlisting>
|
|
||||||
const gchar *greeting = "27 today!";
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
@macro_or_string: a macro or a string.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_PASTE ##### -->
|
|
||||||
<para>
|
|
||||||
Yields a new preprocessor pasted identifier <code>identifier1identifier2</code>
|
|
||||||
from its expanded arguments @identifier1 and @identifier2. For example, the
|
|
||||||
following code:
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<informalexample><programlisting>
|
|
||||||
#define GET(traveller,method) G_PASTE(traveller_get_, method) (traveller)
|
|
||||||
const gchar *name = GET (traveller, name);
|
|
||||||
const gchar *quest = GET (traveller, quest);
|
|
||||||
GdkColor *favourite = GET (traveller, favourite_colour);
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
<para>
|
|
||||||
is transformed by the preprocessor into:
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<informalexample><programlisting>
|
|
||||||
const gchar *name = traveller_get_name (traveller);
|
|
||||||
const gchar *quest = traveller_get_quest (traveller);
|
|
||||||
GdkColor *favourite = traveller_get_favourite_colour (traveller);
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
@identifier1: an identifier
|
|
||||||
@identifier2: an identifier
|
|
||||||
@Since: 2.20
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STATIC_ASSERT ##### -->
|
|
||||||
<para>
|
|
||||||
The G_STATIC_ASSERT macro lets the programmer check a condition at compile time,
|
|
||||||
the condition needs to be compile time computable.
|
|
||||||
The macro can be used in any place where a <literal>typedef</literal> is valid.
|
|
||||||
</para>
|
|
||||||
<note><para>
|
|
||||||
A <literal>typedef</literal> is generally allowed in exactly the same
|
|
||||||
places that a variable declaration is allowed. For this reason, you should not use <literal>G_STATIC_ASSERT</literal> in the middle of blocks of code.
|
|
||||||
</para></note>
|
|
||||||
<para>
|
|
||||||
The macro should only be used once per source code line.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@expr: a constant expression.
|
|
||||||
@Since: 2.20
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STATIC_ASSERT_EXPR ##### -->
|
|
||||||
<para>
|
|
||||||
The G_STATIC_ASSERT_EXPR macro lets the programmer check a condition at
|
|
||||||
compile time. The condition needs to be compile time computable.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
Unlike <literal>G_STATIC_ASSERT</literal>, this macro evaluates to an
|
|
||||||
expression and, as such, can be used in the middle of other expressions.
|
|
||||||
Its value should be ignored. This can be accomplished by placing it as
|
|
||||||
the first argument of a comma expression.
|
|
||||||
</para>
|
|
||||||
<informalexample><programlisting>
|
|
||||||
#define ADD_ONE_TO_INT(x) \
|
|
||||||
(G_STATIC_ASSERT_EXPR(sizeof (x) == sizeof (int)), ((x) + 1))
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
@expr: a constant expression.
|
|
||||||
@Since: 2.30
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_EXTENSION ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to <literal>__extension__</literal> when <command>gcc</command> is
|
|
||||||
used as the compiler.
|
|
||||||
This simply tells <command>gcc</command> not to warn about the following non-standard code
|
|
||||||
when compiling with the <option>-pedantic</option> option.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_CONST ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>const</literal> function attribute if the compiler is
|
|
||||||
<command>gcc</command>. Declaring a function as const enables better optimization of calls
|
|
||||||
to the function. A const function doesn't examine any values except its parameters, and has no
|
|
||||||
effects except its return value. See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
<note><para>
|
|
||||||
A function that has pointer arguments and examines the data pointed to
|
|
||||||
must <emphasis>not</emphasis> be declared const. Likewise, a function that
|
|
||||||
calls a non-const function usually must not be const. It doesn't make sense
|
|
||||||
for a const function to return void.
|
|
||||||
</para></note>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_PURE ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>pure</literal> function attribute if the compiler is
|
|
||||||
<command>gcc</command>. Declaring a function as pure enables better optimization of
|
|
||||||
calls to the function. A pure function has no effects except its return value and the
|
|
||||||
return value depends only on the parameters and/or global variables.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_MALLOC ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>malloc</literal> function attribute if the
|
|
||||||
compiler is <command>gcc</command>. Declaring a function as malloc enables
|
|
||||||
better optimization of the function. A function can have the malloc attribute
|
|
||||||
if it returns a pointer which is guaranteed to not alias with any other pointer
|
|
||||||
when the function returns (in practice, this means newly allocated memory).
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.6
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_ALLOC_SIZE ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>alloc_size</literal> function attribute if the
|
|
||||||
compiler is a new enough <command>gcc</command>. This attribute tells the
|
|
||||||
compiler that the function returns a pointer to memory of a size that is
|
|
||||||
specified by the @x<!-- -->th function parameter.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@x: the index of the argument specifying the allocation size
|
|
||||||
@Since: 2.18
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_ALLOC_SIZE2 ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>alloc_size</literal> function attribute if the
|
|
||||||
compiler is a new enough <command>gcc</command>. This attribute tells the
|
|
||||||
compiler that the function returns a pointer to memory of a size that is
|
|
||||||
specified by the product of two function parameters.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@x: the index of the argument specifying one factor of the allocation size
|
|
||||||
@y: the index of the argument specifying the second factor of the allocation size
|
|
||||||
@Since: 2.18
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_DEPRECATED ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>deprecated</literal> attribute if the compiler
|
|
||||||
is <command>gcc</command>.
|
|
||||||
It can be used to mark typedefs, variables and functions as deprecated.
|
|
||||||
When called with the <option>-Wdeprecated-declarations</option> option, the compiler will
|
|
||||||
generate warnings when deprecated interfaces are used.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.2
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_DEPRECATED_FOR ##### -->
|
|
||||||
<para>
|
|
||||||
Like %G_GNUC_DEPRECATED, but names the intended replacement for the
|
|
||||||
deprecated symbol if the version of <command>gcc</command> in use is
|
|
||||||
new enough to support custom deprecation messages.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<para>
|
|
||||||
Note that if <literal>f</literal> is a macro, it will be expanded in
|
|
||||||
the warning message. You can enclose it in quotes to prevent this.
|
|
||||||
(The quotes will show up in the warning, but it's better than showing
|
|
||||||
the macro expansion.)
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@f: the intended replacement for the deprecated symbol, such as the name of a
|
|
||||||
function
|
|
||||||
@Since: 2.26
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_NORETURN ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>noreturn</literal> function attribute if the
|
|
||||||
compiler is <command>gcc</command>. It is used for declaring functions which never return.
|
|
||||||
It enables optimization of the function, and avoids possible compiler
|
|
||||||
warnings. See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_UNUSED ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>unused</literal> function attribute if the compiler is
|
|
||||||
<command>gcc</command>. It is used for declaring functions which may never be used.
|
|
||||||
It avoids possible compiler warnings. See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_PRINTF ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>format</literal> function attribute if the compiler is
|
|
||||||
<command>gcc</command>. This is used for declaring functions which take a variable number of
|
|
||||||
arguments, with the same syntax as <function>printf()</function>.
|
|
||||||
It allows the compiler to type-check the arguments passed to the function.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
<informalexample><programlisting>
|
|
||||||
gint g_snprintf (gchar *string,
|
|
||||||
gulong n,
|
|
||||||
gchar const *format,
|
|
||||||
...) G_GNUC_PRINTF (3, 4);
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
@format_idx: the index of the argument corresponding to the format string.
|
|
||||||
(The arguments are numbered from 1).
|
|
||||||
@arg_idx: the index of the first of the format arguments.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_SCANF ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>format</literal> function attribute if the compiler is <command>gcc</command>.
|
|
||||||
This is used for declaring functions which take a variable number of
|
|
||||||
arguments, with the same syntax as <function>scanf()</function>.
|
|
||||||
It allows the compiler to type-check the arguments passed to the function.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@format_idx: the index of the argument corresponding to the format string.
|
|
||||||
(The arguments are numbered from 1).
|
|
||||||
@arg_idx: the index of the first of the format arguments.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>format_arg</literal> function attribute if the compiler is <command>gcc</command>.
|
|
||||||
This function attribute specifies that a function takes a format
|
|
||||||
string for a <function>printf()</function>, <function>scanf()</function>,
|
|
||||||
<function>strftime()</function> or <function>strfmon()</function> style
|
|
||||||
function and modifies it, so that the result can be passed to a
|
|
||||||
<function>printf()</function>, <function>scanf()</function>,
|
|
||||||
<function>strftime()</function> or <function>strfmon()</function> style
|
|
||||||
function (with the remaining arguments to the format function the same as
|
|
||||||
they would have been for the unmodified string).
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
<informalexample><programlisting>
|
|
||||||
gchar *g_dgettext (gchar *domain_name, gchar *msgid) G_GNUC_FORMAT (2);
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
@arg_idx: the index of the argument.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_NULL_TERMINATED ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>sentinel</literal> function attribute if the
|
|
||||||
compiler is <command>gcc</command>, or "" if it isn't. This function attribute
|
|
||||||
only applies to variadic functions and instructs the compiler to check that
|
|
||||||
the argument list is terminated with an explicit %NULL.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
Since: 2.8
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_WARN_UNUSED_RESULT ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>warn_unused_result</literal> function attribute
|
|
||||||
if the compiler is <command>gcc</command>, or "" if it isn't. This function
|
|
||||||
attribute makes the compiler emit a warning if the result of a function call
|
|
||||||
is ignored. See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.10
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_FUNCTION ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to "" on all modern compilers, and to <literal>__FUNCTION__</literal>
|
|
||||||
on <command>gcc</command> version 2.x. Don't use it.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Deprecated: 2.16: Use #G_STRFUNC instead.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_PRETTY_FUNCTION ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to "" on all modern compilers, and to
|
|
||||||
<literal>__PRETTY_FUNCTION__</literal> on <command>gcc</command> version 2.x.
|
|
||||||
Don't use it.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Deprecated: 2.16: Use #G_STRFUNC instead.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_NO_INSTRUMENT ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>no_instrument_function</literal> function
|
|
||||||
attribute if the compiler is <command>gcc</command>. Functions with this
|
|
||||||
attribute will not be
|
|
||||||
instrumented for profiling, when the compiler is called with the
|
|
||||||
<option>-finstrument-functions</option> option.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_HAVE_GNUC_VISIBILITY ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_INTERNAL ##### -->
|
|
||||||
<para>
|
|
||||||
This attribute can be used for marking library functions as being used
|
|
||||||
internally to the library only, which may allow the compiler to handle
|
|
||||||
function calls more efficiently.
|
|
||||||
Note that static functions do not need to be marked as internal in this way.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
When using a compiler that supports the GNU C hidden visibility attribute,
|
|
||||||
this macro expands to <literal>__attribute__((visibility("hidden")))</literal>.
|
|
||||||
When using the Sun Studio compiler, it expands to <literal>__hidden</literal>.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
Note that for portability, the attribute should be placed before the
|
|
||||||
function declaration. While GCC allows the macro after the declaration,
|
|
||||||
Sun Studio does not.
|
|
||||||
</para>
|
|
||||||
<informalexample><programlisting>
|
|
||||||
G_GNUC_INTERNAL
|
|
||||||
void _g_log_fallback_handler (const gchar *log_domain,
|
|
||||||
GLogLevelFlags log_level,
|
|
||||||
const gchar *message,
|
|
||||||
gpointer unused_data);
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
Since: 2.6
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GNUC_MAY_ALIAS ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to the GNU C <literal>may_alias</literal> type attribute
|
|
||||||
if the compiler is <command>gcc</command>. Types with this attribute
|
|
||||||
will not be subjected to type-based alias analysis, but are assumed
|
|
||||||
to alias with any other type, just like char.
|
|
||||||
See the GNU C documentation for details.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
Since: 2.14
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_DEPRECATED ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_DEPRECATED_FOR ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@f:
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_LIKELY ##### -->
|
|
||||||
<para>
|
|
||||||
Hints the compiler that the expression is likely to evaluate to a true
|
|
||||||
value. The compiler may use this information for optimizations.
|
|
||||||
</para>
|
|
||||||
<informalexample><programlisting>
|
|
||||||
if (G_LIKELY (random () != 1))
|
|
||||||
g_print ("not one");
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
@expr: the expression
|
|
||||||
@Returns: the value of @expr
|
|
||||||
@Since: 2.2
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_UNLIKELY ##### -->
|
|
||||||
<para>
|
|
||||||
Hints the compiler that the expression is unlikely to evaluate to a true
|
|
||||||
value. The compiler may use this information for optimizations.
|
|
||||||
</para>
|
|
||||||
<informalexample><programlisting>
|
|
||||||
if (G_UNLIKELY (random () == 1))
|
|
||||||
g_print ("a random one");
|
|
||||||
</programlisting></informalexample>
|
|
||||||
|
|
||||||
@expr: the expression
|
|
||||||
@Returns: the value of @expr
|
|
||||||
@Since: 2.2
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STRLOC ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to a string identifying the current code position.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_STRFUNC ##### -->
|
|
||||||
<para>
|
|
||||||
Expands to a string identifying the current function.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINT16_MODIFIER ##### -->
|
|
||||||
<para>
|
|
||||||
The platform dependent length modifier for conversion specifiers for scanning
|
|
||||||
and printing values of type #gint16 or #guint16. It is a string literal,
|
|
||||||
but doesn't include the percent-sign, such that you can add precision and
|
|
||||||
length modifiers between percent-sign and conversion specifier and append a
|
|
||||||
conversion specifier.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<para>
|
|
||||||
The following example prints "0x7b";
|
|
||||||
<informalexample>
|
|
||||||
<programlisting>
|
|
||||||
gint16 value = 123;
|
|
||||||
g_print ("%#" G_GINT16_MODIFIER "x", value);
|
|
||||||
</programlisting>
|
|
||||||
</informalexample>
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINT16_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #gint16. It is a string literal, but doesn't
|
|
||||||
include the percent-sign, such that you can add precision and length
|
|
||||||
modifiers between percent-sign and conversion specifier.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<para>
|
|
||||||
<informalexample>
|
|
||||||
<programlisting>
|
|
||||||
gint16 in;
|
|
||||||
gint32 out;
|
|
||||||
sscanf ("42", "%" G_GINT16_FORMAT, &in)
|
|
||||||
out = in * 1000;
|
|
||||||
g_print ("%" G_GINT32_FORMAT, out);
|
|
||||||
</programlisting>
|
|
||||||
</informalexample>
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GUINT16_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #guint16. See also #G_GINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINT32_MODIFIER ##### -->
|
|
||||||
<para>
|
|
||||||
The platform dependent length modifier for conversion specifiers for scanning
|
|
||||||
and printing values of type #gint32 or #guint32. It is a string literal,
|
|
||||||
See also #G_GINT16_MODIFIER.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINT32_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #gint32. See also #G_GINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GUINT32_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #guint32. See also #G_GINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINT64_MODIFIER ##### -->
|
|
||||||
<para>
|
|
||||||
The platform dependent length modifier for conversion specifiers for scanning
|
|
||||||
and printing values of type #gint64 or #guint64. It is a string literal.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<note>
|
|
||||||
<para>
|
|
||||||
Some platforms do not support printing 64 bit integers,
|
|
||||||
even though the types are supported. On such platforms #G_GINT64_MODIFIER
|
|
||||||
is not defined.
|
|
||||||
</para>
|
|
||||||
</note>
|
|
||||||
|
|
||||||
@Since: 2.4
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINT64_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #gint64. See also #G_GINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<note>
|
|
||||||
<para>
|
|
||||||
Some platforms do not support scanning and printing 64 bit integers,
|
|
||||||
even though the types are supported. On such platforms #G_GINT64_FORMAT
|
|
||||||
is not defined. Note that scanf() may not support 64 bit integers, even
|
|
||||||
if #G_GINT64_FORMAT is defined. Due to its weak error handling, scanf()
|
|
||||||
is not recommended for parsing anyway; consider using g_ascii_strtoull()
|
|
||||||
instead.
|
|
||||||
</para>
|
|
||||||
</note>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GUINT64_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #guint64. See also #G_GINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<note>
|
|
||||||
<para>
|
|
||||||
Some platforms do not support scanning and printing 64 bit integers,
|
|
||||||
even though the types are supported. On such platforms #G_GUINT64_FORMAT
|
|
||||||
is not defined. Note that scanf() may not support 64 bit integers, even
|
|
||||||
if #G_GINT64_FORMAT is defined. Due to its weak error handling, scanf()
|
|
||||||
is not recommended for parsing anyway; consider using g_ascii_strtoull()
|
|
||||||
instead.
|
|
||||||
</para>
|
|
||||||
</note>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GSIZE_MODIFIER ##### -->
|
|
||||||
<para>
|
|
||||||
The platform dependent length modifier for conversion specifiers for scanning
|
|
||||||
and printing values of type #gsize or #gssize. It is a string literal,
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.6
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GSIZE_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #gsize. See also #G_GINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.6
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GSSIZE_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #gssize. See also #G_GINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.6
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GOFFSET_MODIFIER ##### -->
|
|
||||||
<para>
|
|
||||||
The platform dependent length modifier for conversion specifiers for scanning
|
|
||||||
and printing values of type #goffset. It is a string literal. See also
|
|
||||||
#G_GINT64_MODIFIER.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.20
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GOFFSET_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #goffset. See also #G_GINT64_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
Since: 2.20
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINTPTR_MODIFIER ##### -->
|
|
||||||
<para>
|
|
||||||
The platform dependent length modifier for conversion specifiers for scanning
|
|
||||||
and printing values of type #gintptr or #guintptr. It is a string literal.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.22
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINTPTR_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #gintptr.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.22
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GUINTPTR_FORMAT ##### -->
|
|
||||||
<para>
|
|
||||||
This is the platform dependent conversion specifier for scanning and
|
|
||||||
printing values of type #guintptr.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.22
|
|
||||||
|
|
||||||
|
|
@ -1,121 +0,0 @@
|
|||||||
<!-- ##### SECTION Title ##### -->
|
|
||||||
Numerical Definitions
|
|
||||||
|
|
||||||
<!-- ##### SECTION Short_Description ##### -->
|
|
||||||
mathematical constants, and floating point decomposition
|
|
||||||
|
|
||||||
<!-- ##### SECTION Long_Description ##### -->
|
|
||||||
<para>
|
|
||||||
GLib offers mathematical constants such as #G_PI for the value of pi;
|
|
||||||
many platforms have these in the C library, but some don't, the GLib
|
|
||||||
versions always exist.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<para>
|
|
||||||
The #GFloatIEEE754 and #GDoubleIEEE754 unions are used to access the
|
|
||||||
sign, mantissa and exponent of IEEE floats and doubles. These unions are
|
|
||||||
defined as appropriate for a given platform. IEEE floats and doubles are
|
|
||||||
supported (used for storage) by at least Intel, PPC and Sparc. See
|
|
||||||
<ulink url="http://en.wikipedia.org/wiki/IEEE_float">IEEE 754-2008</ulink>
|
|
||||||
for more information about IEEE number formats.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION See_Also ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION Stability_Level ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### SECTION Image ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_IEEE754_FLOAT_BIAS ##### -->
|
|
||||||
<para>
|
|
||||||
The bias by which exponents in single-precision floats are offset.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_IEEE754_DOUBLE_BIAS ##### -->
|
|
||||||
<para>
|
|
||||||
The bias by which exponents in double-precision floats are offset.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### UNION GFloatIEEE754 ##### -->
|
|
||||||
<para>
|
|
||||||
The #GFloatIEEE754 and #GDoubleIEEE754 unions are used to access the sign,
|
|
||||||
mantissa and exponent of IEEE floats and doubles. These unions are defined
|
|
||||||
as appropriate for a given platform. IEEE floats and doubles are supported
|
|
||||||
(used for storage) by at least Intel, PPC and Sparc.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### UNION GDoubleIEEE754 ##### -->
|
|
||||||
<para>
|
|
||||||
The #GFloatIEEE754 and #GDoubleIEEE754 unions are used to access the sign,
|
|
||||||
mantissa and exponent of IEEE floats and doubles. These unions are defined
|
|
||||||
as appropriate for a given platform. IEEE floats and doubles are supported
|
|
||||||
(used for storage) by at least Intel, PPC and Sparc.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_E ##### -->
|
|
||||||
<para>
|
|
||||||
The base of natural logarithms.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_LN2 ##### -->
|
|
||||||
<para>
|
|
||||||
The natural logarithm of 2.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_LN10 ##### -->
|
|
||||||
<para>
|
|
||||||
The natural logarithm of 10.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_PI ##### -->
|
|
||||||
<para>
|
|
||||||
The value of pi (ratio of circle's circumference to its diameter).
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_PI_2 ##### -->
|
|
||||||
<para>
|
|
||||||
Pi divided by 2.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_PI_4 ##### -->
|
|
||||||
<para>
|
|
||||||
Pi divided by 4.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_SQRT2 ##### -->
|
|
||||||
<para>
|
|
||||||
The square root of two.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_LOG_2_BASE_10 ##### -->
|
|
||||||
<para>
|
|
||||||
Multiplying the base 2 exponent by this number yields the base 10 exponent.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -1,125 +0,0 @@
|
|||||||
<!-- ##### SECTION Title ##### -->
|
|
||||||
Type Conversion Macros
|
|
||||||
|
|
||||||
<!-- ##### SECTION Short_Description ##### -->
|
|
||||||
portably storing integers in pointer variables
|
|
||||||
|
|
||||||
<!-- ##### SECTION Long_Description ##### -->
|
|
||||||
<para>
|
|
||||||
Many times GLib, GTK+, and other libraries allow you to pass "user
|
|
||||||
data" to a callback, in the form of a void pointer. From time to time
|
|
||||||
you want to pass an integer instead of a pointer. You could allocate
|
|
||||||
an integer, with something like:
|
|
||||||
<informalexample><programlisting>
|
|
||||||
int *ip = g_new (int, 1);
|
|
||||||
*ip = 42;
|
|
||||||
</programlisting></informalexample>
|
|
||||||
But this is inconvenient, and it's annoying to have to free the
|
|
||||||
memory at some later time.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
Pointers are always at least 32 bits in size (on all platforms GLib
|
|
||||||
intends to support). Thus you can store at least 32-bit integer values
|
|
||||||
in a pointer value. Naively, you might try this, but it's incorrect:
|
|
||||||
<informalexample><programlisting>
|
|
||||||
gpointer p;
|
|
||||||
int i;
|
|
||||||
p = (void*) 42;
|
|
||||||
i = (int) p;
|
|
||||||
</programlisting></informalexample>
|
|
||||||
Again, that example was <emphasis>not</emphasis> correct, don't copy it.
|
|
||||||
The problem is that on some systems you need to do this:
|
|
||||||
<informalexample><programlisting>
|
|
||||||
gpointer p;
|
|
||||||
int i;
|
|
||||||
p = (void*) (long) 42;
|
|
||||||
i = (int) (long) p;
|
|
||||||
</programlisting></informalexample>
|
|
||||||
So GPOINTER_TO_INT(), GINT_TO_POINTER(), etc. do the right thing
|
|
||||||
on the current platform.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
<warning>
|
|
||||||
<para>
|
|
||||||
YOU MAY NOT STORE POINTERS IN INTEGERS. THIS IS NOT PORTABLE IN ANY
|
|
||||||
WAY SHAPE OR FORM. These macros <emphasis>ONLY</emphasis> allow
|
|
||||||
storing integers in pointers, and only preserve 32 bits of the
|
|
||||||
integer; values outside the range of a 32-bit integer will be mangled.
|
|
||||||
</para>
|
|
||||||
</warning>
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION See_Also ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION Stability_Level ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### SECTION Image ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GINT_TO_POINTER ##### -->
|
|
||||||
<para>
|
|
||||||
Stuffs an integer into a pointer type.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
Remember, YOU MAY NOT STORE POINTERS IN INTEGERS. THIS IS NOT PORTABLE
|
|
||||||
IN ANY WAY SHAPE OR FORM. These macros <emphasis>ONLY</emphasis> allow
|
|
||||||
storing integers in pointers, and only preserve 32 bits of the
|
|
||||||
integer; values outside the range of a 32-bit integer will be mangled.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@i: integer to stuff into a pointer.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GPOINTER_TO_INT ##### -->
|
|
||||||
<para>
|
|
||||||
Extracts an integer from a pointer. The integer must have
|
|
||||||
been stored in the pointer with GINT_TO_POINTER().
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
Remember, YOU MAY NOT STORE POINTERS IN INTEGERS. THIS IS NOT PORTABLE
|
|
||||||
IN ANY WAY SHAPE OR FORM. These macros <emphasis>ONLY</emphasis> allow
|
|
||||||
storing integers in pointers, and only preserve 32 bits of the
|
|
||||||
integer; values outside the range of a 32-bit integer will be mangled.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@p: pointer containing an integer.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GUINT_TO_POINTER ##### -->
|
|
||||||
<para>
|
|
||||||
Stuffs an unsigned integer into a pointer type.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@u: unsigned integer to stuff into the pointer.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GPOINTER_TO_UINT ##### -->
|
|
||||||
<para>
|
|
||||||
Extracts an unsigned integer from a pointer. The integer must have
|
|
||||||
been stored in the pointer with GUINT_TO_POINTER().
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@p: pointer to extract an unsigned integer from.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GSIZE_TO_POINTER ##### -->
|
|
||||||
<para>
|
|
||||||
Stuffs a #gsize into a pointer type.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@s: #gsize to stuff into the pointer.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO GPOINTER_TO_SIZE ##### -->
|
|
||||||
<para>
|
|
||||||
Extracts a #gsize from a pointer. The #gsize must have
|
|
||||||
been stored in the pointer with GSIZE_TO_POINTER().
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@p: pointer to extract a #gsize from.
|
|
||||||
|
|
||||||
|
|
@ -1,327 +0,0 @@
|
|||||||
<!-- ##### SECTION Title ##### -->
|
|
||||||
Basic Types
|
|
||||||
|
|
||||||
<!-- ##### SECTION Short_Description ##### -->
|
|
||||||
standard GLib types, defined for ease-of-use and portability
|
|
||||||
|
|
||||||
<!-- ##### SECTION Long_Description ##### -->
|
|
||||||
<para>
|
|
||||||
GLib defines a number of commonly used types, which can be divided into
|
|
||||||
4 groups:
|
|
||||||
|
|
||||||
<itemizedlist>
|
|
||||||
<listitem><para>
|
|
||||||
New types which are not part of standard C (but are defined
|
|
||||||
in various C standard library header files) -
|
|
||||||
#gboolean, #gsize, #gssize, #goffset, #gintptr, #guintptr.
|
|
||||||
</para></listitem>
|
|
||||||
|
|
||||||
<listitem><para>
|
|
||||||
Integer types which are guaranteed to be the same size across all platforms -
|
|
||||||
#gint8, #guint8, #gint16, #guint16, #gint32, #guint32, #gint64, #guint64.
|
|
||||||
</para></listitem>
|
|
||||||
|
|
||||||
<listitem><para>
|
|
||||||
Types which are easier to use than their standard C counterparts -
|
|
||||||
#gpointer, #gconstpointer, #guchar, #guint, #gushort, #gulong.
|
|
||||||
</para></listitem>
|
|
||||||
|
|
||||||
<listitem><para>
|
|
||||||
Types which correspond exactly to standard C types, but are included
|
|
||||||
for completeness - #gchar, #gint, #gshort, #glong, #gfloat, #gdouble.
|
|
||||||
</para></listitem>
|
|
||||||
</itemizedlist>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION See_Also ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION Stability_Level ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### SECTION Image ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gboolean ##### -->
|
|
||||||
<para>
|
|
||||||
A standard <type>boolean</type> type.
|
|
||||||
Variables of this type should only contain the value %TRUE or %FALSE.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gpointer ##### -->
|
|
||||||
<para>
|
|
||||||
An untyped pointer.
|
|
||||||
#gpointer looks better and is easier to use than <type>void*</type>.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gconstpointer ##### -->
|
|
||||||
<para>
|
|
||||||
An untyped pointer to constant data.
|
|
||||||
The data pointed to should not be changed.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
This is typically used in function prototypes to indicate that the
|
|
||||||
data pointed to will not be altered by the function.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gchar ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>char</type> type.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF guchar ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>unsigned char</type> type.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gint ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>int</type> type.
|
|
||||||
Values of this type can range from #G_MININT to #G_MAXINT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF guint ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>unsigned int</type> type.
|
|
||||||
Values of this type can range from 0 to #G_MAXUINT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gshort ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>short</type> type.
|
|
||||||
Values of this type can range from #G_MINSHORT to #G_MAXSHORT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gushort ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>unsigned short</type> type.
|
|
||||||
Values of this type can range from 0 to #G_MAXUSHORT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF glong ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>long</type> type.
|
|
||||||
Values of this type can range from #G_MINLONG to #G_MAXLONG.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gulong ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>unsigned long</type> type.
|
|
||||||
Values of this type can range from 0 to #G_MAXULONG.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gint8 ##### -->
|
|
||||||
<para>
|
|
||||||
A signed integer guaranteed to be 8 bits on all platforms.
|
|
||||||
Values of this type can range from #G_MININT8 (= -128) to
|
|
||||||
#G_MAXINT8 (= 127).
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF guint8 ##### -->
|
|
||||||
<para>
|
|
||||||
An unsigned integer guaranteed to be 8 bits on all platforms.
|
|
||||||
Values of this type can range from 0 to #G_MAXUINT8 (= 255).
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gint16 ##### -->
|
|
||||||
<para>
|
|
||||||
A signed integer guaranteed to be 16 bits on all platforms.
|
|
||||||
Values of this type can range from #G_MININT16 (= -32,768) to
|
|
||||||
#G_MAXINT16 (= 32,767).
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GINT16_MODIFIER and/or %G_GINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF guint16 ##### -->
|
|
||||||
<para>
|
|
||||||
An unsigned integer guaranteed to be 16 bits on all platforms.
|
|
||||||
Values of this type can range from 0 to #G_MAXUINT16 (= 65,535).
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GINT16_MODIFIER and/or %G_GUINT16_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gint32 ##### -->
|
|
||||||
<para>
|
|
||||||
A signed integer guaranteed to be 32 bits on all platforms.
|
|
||||||
Values of this type can range from #G_MININT32 (= -2,147,483,648) to
|
|
||||||
#G_MAXINT32 (= 2,147,483,647).
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GINT32_MODIFIER and/or %G_GINT32_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF guint32 ##### -->
|
|
||||||
<para>
|
|
||||||
An unsigned integer guaranteed to be 32 bits on all platforms.
|
|
||||||
Values of this type can range from 0 to #G_MAXUINT32 (= 4,294,967,295).
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GINT32_MODIFIER and/or %G_GUINT32_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_HAVE_GINT64 ##### -->
|
|
||||||
<para>
|
|
||||||
This macro is defined if 64-bit signed and unsigned integers are available
|
|
||||||
on the platform.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Deprecated: GLib requires 64-bit integer support since version 2.0, therefore
|
|
||||||
%G_HAVE_GINT64 is <emphasis>always</emphasis> defined.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gint64 ##### -->
|
|
||||||
<para>
|
|
||||||
A signed integer guaranteed to be 64 bits on all platforms.
|
|
||||||
Values of this type can range from #G_MININT64 (= -9,223,372,036,854,775,808) to
|
|
||||||
#G_MAXINT64 (= 9,223,372,036,854,775,807).
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GINT64_MODIFIER and/or %G_GINT64_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF guint64 ##### -->
|
|
||||||
<para>
|
|
||||||
An unsigned integer guaranteed to be 64 bits on all platforms.
|
|
||||||
Values of this type can range from 0 to #G_MAXUINT64 (= 18,446,744,073,709,551,615).
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GINT64_MODIFIER and/or %G_GUINT64_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GINT64_CONSTANT ##### -->
|
|
||||||
<para>
|
|
||||||
This macro is used to insert 64-bit integer literals into the source code.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a literal integer value, e.g. 0x1d636b02300a7aa7.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GUINT64_CONSTANT ##### -->
|
|
||||||
<para>
|
|
||||||
This macro is used to insert 64-bit unsigned integer literals into the
|
|
||||||
source code.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a literal integer value, e.g. 0x1d636b02300a7aa7U.
|
|
||||||
@Since: 2.10
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gfloat ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>float</type> type.
|
|
||||||
Values of this type can range from -#G_MAXFLOAT to #G_MAXFLOAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gdouble ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the standard C <type>double</type> type.
|
|
||||||
Values of this type can range from -#G_MAXDOUBLE to #G_MAXDOUBLE.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gsize ##### -->
|
|
||||||
<para>
|
|
||||||
An unsigned integer type of the result of the sizeof operator, corresponding
|
|
||||||
to the size_t type defined in C99. This type is wide enough to hold the numeric
|
|
||||||
value of a pointer, so it is usually 32bit wide on a 32bit platform and
|
|
||||||
64bit wide on a 64bit platform.
|
|
||||||
Values of this type can range from 0 to #G_MAXSIZE.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GSIZE_MODIFIER and/or %G_GSIZE_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gssize ##### -->
|
|
||||||
<para>
|
|
||||||
A signed variant of gsize, corresponding to the ssize_t defined on most platforms.
|
|
||||||
Values of this type can range from #G_MINSSIZE to #G_MAXSSIZE.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GSIZE_MODIFIER and/or %G_GSSIZE_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF goffset ##### -->
|
|
||||||
<para>
|
|
||||||
A signed integer type that is used for file offsets, corresponding to the
|
|
||||||
C99 type off64_t.
|
|
||||||
Values of this type can range from #G_MINOFFSET to #G_MAXOFFSET.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GOFFSET_MODIFIER and/or %G_GOFFSET_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
Since: 2.14
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_GOFFSET_CONSTANT ##### -->
|
|
||||||
<para>
|
|
||||||
This macro is used to insert #goffset 64-bit integer literals into the source code.
|
|
||||||
See also #G_GINT64_CONSTANT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@val: a literal integer value, e.g. 0x1d636b02300a7aa7.
|
|
||||||
Since: 2.20
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF gintptr ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the C99 type <type>intptr_t</type>, a signed integer type that
|
|
||||||
can hold any pointer.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GINTPTR_MODIFIER and/or %G_GINTPTR_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
Since: 2.18
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### TYPEDEF guintptr ##### -->
|
|
||||||
<para>
|
|
||||||
Corresponds to the C99 type <type>uintptr_t</type>, an unsigned integer type that
|
|
||||||
can hold any pointer.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
To print or scan values of this type, use
|
|
||||||
%G_GINTPTR_MODIFIER and/or %G_GUINTPTR_FORMAT.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
Since: 2.18
|
|
||||||
|
|
||||||
|
|
@ -1,142 +0,0 @@
|
|||||||
<!-- ##### SECTION Title ##### -->
|
|
||||||
Windows Compatibility Functions
|
|
||||||
|
|
||||||
<!-- ##### SECTION Short_Description ##### -->
|
|
||||||
UNIX emulation on Windows
|
|
||||||
|
|
||||||
<!-- ##### SECTION Long_Description ##### -->
|
|
||||||
<para>
|
|
||||||
These functions provide some level of UNIX emulation on the Windows platform.
|
|
||||||
If your application really needs the POSIX APIs, we suggest you try the Cygwin
|
|
||||||
project.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION See_Also ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<!-- ##### SECTION Stability_Level ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### SECTION Image ##### -->
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO MAXPATHLEN ##### -->
|
|
||||||
<para>
|
|
||||||
Provided for UNIX emulation on Windows; equivalent to UNIX
|
|
||||||
macro %MAXPATHLEN, which is the maximum length of a filename
|
|
||||||
(including full path).
|
|
||||||
</para>
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### FUNCTION g_win32_error_message ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@error:
|
|
||||||
@Returns:
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### FUNCTION g_win32_getlocale ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@void:
|
|
||||||
@Returns:
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### FUNCTION g_win32_get_package_installation_directory ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@package:
|
|
||||||
@dll_name:
|
|
||||||
@Returns:
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### FUNCTION g_win32_get_package_installation_directory_of_module ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@hmodule:
|
|
||||||
@Returns:
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### FUNCTION g_win32_get_package_installation_subdirectory ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@package:
|
|
||||||
@dll_name:
|
|
||||||
@subdir:
|
|
||||||
@Returns:
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### FUNCTION g_win32_get_windows_version ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@void:
|
|
||||||
@Returns:
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### FUNCTION g_win32_locale_filename_from_utf8 ##### -->
|
|
||||||
<para>
|
|
||||||
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@utf8filename:
|
|
||||||
@Returns:
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_WIN32_DLLMAIN_FOR_DLL_NAME ##### -->
|
|
||||||
<para>
|
|
||||||
On Windows, this macro defines a DllMain() function that stores the actual
|
|
||||||
DLL name that the code being compiled will be included in.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
On non-Windows platforms, expands to nothing.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@static: empty or "static".
|
|
||||||
@dll_name: the name of the (pointer to the) char array where the DLL name
|
|
||||||
will be stored. If this is used, you must also include
|
|
||||||
<filename>windows.h</filename>. If you need a more complex DLL entry
|
|
||||||
point function, you cannot use this.
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_WIN32_HAVE_WIDECHAR_API ##### -->
|
|
||||||
<para>
|
|
||||||
On Windows, this macro defines an expression which evaluates to %TRUE
|
|
||||||
if the code is running on a version of Windows where the wide
|
|
||||||
character versions of the Win32 API functions, and the wide chaacter
|
|
||||||
versions of the C library functions work. (They are always present in
|
|
||||||
the DLLs, but don't work on Windows 9x and Me.)
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
On non-Windows platforms, it is not defined.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.6
|
|
||||||
|
|
||||||
|
|
||||||
<!-- ##### MACRO G_WIN32_IS_NT_BASED ##### -->
|
|
||||||
<para>
|
|
||||||
On Windows, this macro defines an expression which evaluates to %TRUE
|
|
||||||
if the code is running on an NT-based Windows operating system.
|
|
||||||
</para>
|
|
||||||
<para>
|
|
||||||
On non-Windows platforms, it is not defined.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
@Since: 2.6
|
|
||||||
|
|
||||||
|
|
@ -85,6 +85,7 @@ EXTRA_DIST += \
|
|||||||
gregex.h \
|
gregex.h \
|
||||||
win_iconv.c \
|
win_iconv.c \
|
||||||
libglib-gdb.py.in \
|
libglib-gdb.py.in \
|
||||||
|
docs.c \
|
||||||
$(MIRRORING_TAB_SOURCE)
|
$(MIRRORING_TAB_SOURCE)
|
||||||
|
|
||||||
# These may be in the builddir too
|
# These may be in the builddir too
|
||||||
|
2259
glib/docs.c
Normal file
2259
glib/docs.c
Normal file
File diff suppressed because it is too large
Load Diff
@ -236,6 +236,17 @@ g_timer_elapsed (GTimer *timer,
|
|||||||
return total;
|
return total;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* g_usleep:
|
||||||
|
* @microseconds: number of microseconds to pause
|
||||||
|
*
|
||||||
|
* Pauses the current thread for the given number of microseconds.
|
||||||
|
*
|
||||||
|
* There are 1 million microseconds per second (represented by the
|
||||||
|
* #G_USEC_PER_SEC macro). g_usleep() may have limited precision,
|
||||||
|
* depending on hardware and operating system; don't rely on the exact
|
||||||
|
* length of the sleep.
|
||||||
|
*/
|
||||||
void
|
void
|
||||||
g_usleep (gulong microseconds)
|
g_usleep (gulong microseconds)
|
||||||
{
|
{
|
||||||
|
Loading…
Reference in New Issue
Block a user