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88a22179ac
glib/glib.h
Elliot Lee 88a22179ac I swear I'll get it right someday. 
I swear I'll get it right someday.
1998-10-20 22:28:17 +00:00

2007 lines
58 KiB
C
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/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __G_LIB_H__
#define __G_LIB_H__
/* system specific config file
*/
#include <glibconfig.h>
/* include varargs functions for assertment macros
*/
#include <stdarg.h>
/* optionally feature DMALLOC memory allocation debugger
*/
#ifdef USE_DMALLOC
#include "dmalloc.h"
#endif
/* glib provides definitions for the extrema of many
* of the standard types. These are:
* G_MINFLOAT
* G_MAXFLOAT
* G_MINDOUBLE
* G_MAXDOUBLE
* G_MINSHORT
* G_MAXSHORT
* G_MININT
* G_MAXINT
* G_MINLONG
* G_MAXLONG
*
* We include limits.h before float.h to work around a egcs 1.1
* oddity on Solaris 2.5.1
*/
#ifdef HAVE_LIMITS_H
# include <limits.h>
# define G_MINSHORT SHRT_MIN
# define G_MAXSHORT SHRT_MAX
# define G_MININT INT_MIN
# define G_MAXINT INT_MAX
# define G_MINLONG LONG_MIN
# define G_MAXLONG LONG_MAX
#elif HAVE_VALUES_H
# ifdef HAVE_FLOAT_H
# include <values.h>
# endif /* HAVE_FLOAT_H */
# define G_MINSHORT MINSHORT
# define G_MAXSHORT MAXSHORT
# define G_MININT MININT
# define G_MAXINT MAXINT
# define G_MINLONG MINLONG
# define G_MAXLONG MAXLONG
#endif /* HAVE_VALUES_H */
#ifdef HAVE_FLOAT_H
# include <float.h>
# define G_MINFLOAT FLT_MIN
# define G_MAXFLOAT FLT_MAX
# define G_MINDOUBLE DBL_MIN
# define G_MAXDOUBLE DBL_MAX
#elif HAVE_VALUES_H
# include <values.h>
# define G_MINFLOAT MINFLOAT
# define G_MAXFLOAT MAXFLOAT
# define G_MINDOUBLE MINDOUBLE
# define G_MAXDOUBLE MAXDOUBLE
#endif /* HAVE_VALUES_H */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Provide definitions for some commonly used macros.
* Some of them are only provided if they haven't already
* been defined. It is assumed that if they are already
* defined then the current definition is correct.
*/
#ifndef NULL
#define NULL ((void*) 0)
#endif
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
#undef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#undef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#undef ABS
#define ABS(a) (((a) < 0) ? -(a) : (a))
#undef CLAMP
#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
/* Define G_VA_COPY() to do the right thing for copying va_list variables.
* glibconfig.h may have already defined G_VA_COPY as va_copy or __va_copy.
*/
#if !defined (G_VA_COPY)
# if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
# define G_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
# elif defined (G_VA_COPY_AS_ARRAY)
# define G_VA_COPY(ap1, ap2) g_memmove ((ap1), (ap2), sizeof (va_list))
# else /* va_list is a pointer */
# define G_VA_COPY(ap1, ap2) ((ap1) = (ap2))
# endif /* va_list is a pointer */
#endif /* !G_VA_COPY */
/* Provide simple enum value macro wrappers that ease automated
* enum value stringification code. [abandoned]
*/
#if !defined (G_CODE_GENERATION)
#define G_ENUM( EnumerationName ) EnumerationName
#define G_FLAGS( EnumerationName ) EnumerationName
#define G_NV( VALUE_NAME , value_nick, VALUE) VALUE_NAME = (VALUE)
#define G_SV( VALUE_NAME, value_nick ) VALUE_NAME
#else /* G_CODE_GENERATION */
#define G_ENUM( EnumerationName ) G_ENUM_E + EnumerationName +
#define G_FLAGS( EnumerationName ) G_ENUM_F + EnumerationName +
#define G_NV( VALUE_NAME , value_nick, VALUE) G_ENUM_V + VALUE_NAME + value_nick +
#define G_SV( VALUE_NAME, value_nick ) G_ENUM_V + VALUE_NAME + value_nick +
#endif /* G_CODE_GENERATION */
/* inlining hassle. for compilers that don't allow the `inline' keyword,
* mostly because of strict ANSI C compliance or dumbness, we try to fall
* back to either `__inline__' or `__inline'.
* we define G_CAN_INLINE, if the compiler seems to be actually
* *capable* to do function inlining, in which case inline function bodys
* do make sense. we also define G_INLINE_FUNC to properly export the
* function prototypes if no inlinig can be performed.
* we special case most of the stuff, so inline functions can have a normal
* implementation by defining G_INLINE_FUNC to extern and G_CAN_INLINE to 1.
*/
#ifndef G_INLINE_FUNC
# define G_CAN_INLINE 1
#endif
#ifdef G_HAVE_INLINE
# if defined (__GNUC__) && defined (__STRICT_ANSI__)
# undef inline
# define inline __inline__
# endif
#else /* !G_HAVE_INLINE */
# undef inline
# if defined (G_HAVE___INLINE__)
# define inline __inline__
# else /* !inline && !__inline__ */
# if defined (G_HAVE___INLINE)
# define inline __inline
# else /* !inline && !__inline__ && !__inline */
# define inline /* don't inline, then */
# ifndef G_INLINE_FUNC
# undef G_CAN_INLINE
# endif
# endif
# endif
#endif
#ifndef G_INLINE_FUNC
# ifdef __GNUC__
# ifdef __OPTIMIZE__
# define G_INLINE_FUNC extern inline
# else
# undef G_CAN_INLINE
# define G_INLINE_FUNC extern
# endif
# else /* !__GNUC__ */
# ifdef G_CAN_INLINE
# define G_INLINE_FUNC static inline
# else
# define G_INLINE_FUNC extern
# endif
# endif /* !__GNUC__ */
#endif /* !G_INLINE_FUNC */
/* Provide simple macro statement wrappers (adapted from Perl):
* G_STMT_START { statements; } G_STMT_END;
* can be used as a single statement, as in
* if (x) G_STMT_START { ... } G_STMT_END; else ...
*
* For gcc we will wrap the statements within `({' and `})' braces.
* For SunOS they will be wrapped within `if (1)' and `else (void) 0',
* and otherwise within `do' and `while (0)'.
*/
#if !(defined (G_STMT_START) && defined (G_STMT_END))
# if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
# define G_STMT_START (void)(
# define G_STMT_END )
# else
# if (defined (sun) || defined (__sun__))
# define G_STMT_START if (1)
# define G_STMT_END else (void)0
# else
# define G_STMT_START do
# define G_STMT_END while (0)
# endif
# endif
#endif
/* Provide macros to feature the GCC function attribute.
*/
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
#define G_GNUC_PRINTF( format_idx, arg_idx ) \
__attribute__((format (printf, format_idx, arg_idx)))
#define G_GNUC_SCANF( format_idx, arg_idx ) \
__attribute__((format (scanf, format_idx, arg_idx)))
#define G_GNUC_FORMAT( arg_idx ) \
__attribute__((format_arg (arg_idx)))
#define G_GNUC_NORETURN \
__attribute__((noreturn))
#define G_GNUC_CONST \
__attribute__((const))
#define G_GNUC_UNUSED \
__attribute__((unused))
#else /* !__GNUC__ */
#define G_GNUC_PRINTF( format_idx, arg_idx )
#define G_GNUC_SCANF( format_idx, arg_idx )
#define G_GNUC_FORMAT( arg_idx )
#define G_GNUC_NORETURN
#define G_GNUC_CONST
#define G_GNUC_UNUSED
#endif /* !__GNUC__ */
/* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with
* macros, so we can refer to them as strings unconditionally.
*/
#ifdef __GNUC__
#define G_GNUC_FUNCTION (__FUNCTION__)
#define G_GNUC_PRETTY_FUNCTION (__PRETTY_FUNCTION__)
#else /* !__GNUC__ */
#define G_GNUC_FUNCTION ("")
#define G_GNUC_PRETTY_FUNCTION ("")
#endif /* !__GNUC__ */
/* we try to provide a usefull equivalent for ATEXIT if it is
* not defined, but use is actually abandoned. people should
* use g_atexit() instead.
* keep this in sync with gutils.c.
*/
#ifndef ATEXIT
# ifdef HAVE_ATEXIT
# ifdef NeXT /* @#%@! NeXTStep */
# define ATEXIT(proc) (!atexit (proc))
# else /* !NeXT */
# define ATEXIT(proc) (atexit (proc))
# endif /* !NeXT */
# elif defined (HAVE_ON_EXIT)
# define ATEXIT(proc) (on_exit ((void (*)(int, void *))(proc), NULL))
# else
# error Could not determine proper atexit() implementation
# endif
#else
# define G_NATIVE_ATEXIT
#endif /* ATEXIT */
/* Hacker macro to place breakpoints for x86 machines.
* Actual use is strongly deprecated of course ;)
*/
#if defined (__i386__) && defined (__GNUC__)
#define G_BREAKPOINT() G_STMT_START{ __asm__ volatile ("int $03"); }G_STMT_END
#else /* !__i386__ */
#define G_BREAKPOINT()
#endif /* __i386__ */
/* Provide macros for easily allocating memory. The macros
* will cast the allocated memory to the specified type
* in order to avoid compiler warnings. (Makes the code neater).
*/
#ifdef __DMALLOC_H__
# define g_new(type, count) (ALLOC (type, count))
# define g_new0(type, count) (CALLOC (type, count))
# define g_renew(type, mem, count) (REALLOC (mem, type, count))
#else /* __DMALLOC_H__ */
# define g_new(type, count) \
((type *) g_malloc ((unsigned) sizeof (type) * (count)))
# define g_new0(type, count) \
((type *) g_malloc0 ((unsigned) sizeof (type) * (count)))
# define g_renew(type, mem, count) \
((type *) g_realloc (mem, (unsigned) sizeof (type) * (count)))
#endif /* __DMALLOC_H__ */
#define g_mem_chunk_create(type, pre_alloc, alloc_type) ( \
g_mem_chunk_new (#type " mem chunks (" #pre_alloc ")", \
sizeof (type), \
sizeof (type) * (pre_alloc), \
(alloc_type)) \
)
#define g_chunk_new(type, chunk) ( \
(type *) g_mem_chunk_alloc (chunk) \
)
#define g_chunk_new0(type, chunk) ( \
(type *) g_mem_chunk_alloc0 (chunk) \
)
#define g_chunk_free(mem, mem_chunk) G_STMT_START { \
g_mem_chunk_free ((mem_chunk), (mem)); \
} G_STMT_END
#define g_string(x) #x
/* Provide macros for error handling. The "assert" macros will
* exit on failure. The "return" macros will exit the current
* function. Two different definitions are given for the macros
* if G_DISABLE_ASSERT is not defined, in order to support gcc's
* __PRETTY_FUNCTION__ capability.
*/
#ifdef G_DISABLE_ASSERT
#define g_assert(expr)
#define g_assert_not_reached()
#else /* !G_DISABLE_ASSERT */
#ifdef __GNUC__
#define g_assert(expr) G_STMT_START{ \
if (!(expr)) \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_ERROR, \
"file %s: line %d (%s): assertion failed: (%s)", \
__FILE__, \
__LINE__, \
__PRETTY_FUNCTION__, \
#expr); }G_STMT_END
#define g_assert_not_reached() G_STMT_START{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_ERROR, \
"file %s: line %d (%s): should not be reached", \
__FILE__, \
__LINE__, \
__PRETTY_FUNCTION__); }G_STMT_END
#else /* !__GNUC__ */
#define g_assert(expr) G_STMT_START{ \
if (!(expr)) \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_ERROR, \
"file %s: line %d: assertion failed: (%s)", \
__FILE__, \
__LINE__, \
#expr); }G_STMT_END
#define g_assert_not_reached() G_STMT_START{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_ERROR, \
"file %s: line %d: should not be reached", \
__FILE__, \
__LINE__); }G_STMT_END
#endif /* __GNUC__ */
#endif /* !G_DISABLE_ASSERT */
#ifdef G_DISABLE_CHECKS
#define g_return_if_fail(expr)
#define g_return_val_if_fail(expr,val)
#else /* !G_DISABLE_CHECKS */
#ifdef __GNUC__
#define g_return_if_fail(expr) G_STMT_START{ \
if (!(expr)) \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"file %s: line %d (%s): assertion `%s' failed.", \
__FILE__, \
__LINE__, \
__PRETTY_FUNCTION__, \
#expr); \
return; \
}; }G_STMT_END
#define g_return_val_if_fail(expr,val) G_STMT_START{ \
if (!(expr)) \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"file %s: line %d (%s): assertion `%s' failed.", \
__FILE__, \
__LINE__, \
__PRETTY_FUNCTION__, \
#expr); \
return val; \
}; }G_STMT_END
#else /* !__GNUC__ */
#define g_return_if_fail(expr) G_STMT_START{ \
if (!(expr)) \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"file %s: line %d: assertion `%s' failed.", \
__FILE__, \
__LINE__, \
#expr); \
return; \
}; }G_STMT_END
#define g_return_val_if_fail(expr, val) G_STMT_START{ \
if (!(expr)) \
{ \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_CRITICAL, \
"file %s: line %d: assertion `%s' failed.", \
__FILE__, \
__LINE__, \
#expr); \
return val; \
}; }G_STMT_END
#endif /* !__GNUC__ */
#endif /* !G_DISABLE_CHECKS */
/* Portable endian checks and conversions
*/
#define G_LITTLE_ENDIAN 1234
#define G_BIG_ENDIAN 4321
#define G_PDP_ENDIAN 3412 / /* unused, need specific PDP check */
#ifdef WORDS_BIGENDIAN
#define G_BYTE_ORDER G_BIG_ENDIAN
#else
#define G_BYTE_ORDER G_LITTLE_ENDIAN
#endif
#define GULONG_SWAP_LE_BE(long_val) (((gulong) \
(((gulong) (long_val)) & 0x000000ffU) << 24) | \
(((gulong) (long_val)) & 0x0000ff00U) << 8) | \
(((gulong) (long_val)) & 0x00ff0000U) >> 8) | \
(((gulong) (long_val)) & 0xff000000U) >> 24)))
#define GULONG_SWAP_LE_PDP(long_val) (((gulong) \
(((gulong) (long_val)) & 0x0000ffffU) << 16) | \
(((gulong) (long_val)) & 0xffff0000U) >> 16)))
#define GULONG_SWAP_BE_PDP(long_val) (((gulong) \
(((gulong) (long_val)) & 0x000000ffU) << 8) | \
(((gulong) (long_val)) & 0x0000ff00U) >> 8) | \
(((gulong) (long_val)) & 0x00ff0000U) << 8) | \
(((gulong) (long_val)) & 0xff000000U) >> 8)))
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
# define GLONG_TO_LE(long_val) ((glong) (long_val))
# define GULONG_TO_LE(long_val) ((gulong) (long_val))
# define GLONG_TO_BE(long_val) ((glong) GULONG_SWAP_LE_BE (long_val))
# define GULONG_TO_BE(long_val) (GULONG_SWAP_LE_BE (long_val))
# define GLONG_FROM_LE(long_val) ((glong) (long_val))
# define GULONG_FROM_LE(long_val) ((gulong) (long_val))
# define GLONG_FROM_BE(long_val) ((glong) GULONG_SWAP_LE_BE (long_val))
# define GULONG_FROM_BE(long_val) (GULONG_SWAP_LE_BE (long_val))
#elif G_BYTE_ORDER == G_BIG_ENDIAN
# define GLONG_TO_LE(long_val) ((glong) GULONG_SWAP_LE_BE (long_val))
# define GULONG_TO_LE(long_val) (GULONG_SWAP_LE_BE (long_val))
# define GLONG_TO_BE(long_val) ((glong) (long_val))
# define GULONG_TO_BE(long_val) ((gulong) (long_val))
# define GLONG_FROM_LE(long_val) ((glong) GULONG_SWAP_LE_BE (long_val))
# define GULONG_FROM_LE(long_val) (GULONG_SWAP_LE_BE (long_val))
# define GLONG_FROM_BE(long_val) ((glong) (long_val))
# define GULONG_FROM_BE(long_val) ((gulong) (long_val))
#endif
/* Provide type definitions for commonly used types.
* These are useful because a "gint8" can be adjusted
* to be 1 byte (8 bits) on all platforms. Similarly and
* more importantly, "gint32" can be adjusted to be
* 4 bytes (32 bits) on all platforms.
*/
typedef char gchar;
typedef short gshort;
typedef long glong;
typedef int gint;
typedef gint gboolean;
typedef unsigned char guchar;
typedef unsigned short gushort;
typedef unsigned long gulong;
typedef unsigned int guint;
typedef float gfloat;
typedef double gdouble;
/* HAVE_LONG_DOUBLE doesn't work correctly on all platforms.
* Since gldouble isn't used anywhere, just disable it for now */
#if 0
#ifdef HAVE_LONG_DOUBLE
typedef long double gldouble;
#else /* HAVE_LONG_DOUBLE */
typedef double gldouble;
#endif /* HAVE_LONG_DOUBLE */
#endif /* 0 */
typedef void* gpointer;
typedef const void *gconstpointer;
#if (SIZEOF_CHAR == 1)
typedef signed char gint8;
typedef unsigned char guint8;
#endif /* SIZEOF_CHAR */
#if (SIZEOF_SHORT == 2)
typedef signed short gint16;
typedef unsigned short guint16;
#endif /* SIZEOF_SHORT */
#if (SIZEOF_INT == 4)
typedef signed int gint32;
typedef unsigned int guint32;
#elif (SIZEOF_LONG == 4)
typedef signed long gint32;
typedef unsigned long guint32;
#endif /* SIZEOF_INT */
#if (SIZEOF_LONG == 8)
#define HAVE_GINT64 1
typedef signed long gint64;
typedef unsigned long guint64;
#elif (SIZEOF_LONG_LONG == 8)
#define HAVE_GINT64 1
typedef signed long long gint64;
typedef unsigned long long guint64;
#else
/* No gint64 */
#undef HAVE_GINT64
#endif
/* Define macros for storing integers inside pointers
*/
#if (SIZEOF_INT == SIZEOF_VOID_P)
#define GPOINTER_TO_INT(p) ((gint)(p))
#define GPOINTER_TO_UINT(p) ((guint)(p))
#define GINT_TO_POINTER(i) ((gpointer)(i))
#define GUINT_TO_POINTER(u) ((gpointer)(u))
#elif (SIZEOF_LONG == SIZEOF_VOID_P)
#define GPOINTER_TO_INT(p) ((gint)(glong)(p))
#define GPOINTER_TO_UINT(p) ((guint)(gulong)(p))
#define GINT_TO_POINTER(i) ((gpointer)(glong)(i))
#define GUINT_TO_POINTER(u) ((gpointer)(gulong)(u))
#else
#error SIZEOF_VOID_P unknown - This should never happen
#endif
typedef gint32 gssize;
typedef guint32 gsize;
typedef guint32 GQuark;
typedef gint32 GTime;
/* Glib version.
*/
extern const guint glib_major_version;
extern const guint glib_minor_version;
extern const guint glib_micro_version;
extern const guint glib_interface_age;
extern const guint glib_binary_age;
/* Forward declarations of glib types.
*/
typedef struct _GArray GArray;
typedef struct _GByteArray GByteArray;
typedef struct _GCache GCache;
typedef struct _GCompletion GCompletion;
typedef struct _GData GData;
typedef struct _GDebugKey GDebugKey;
typedef struct _GHashTable GHashTable;
typedef struct _GHook GHook;
typedef struct _GHookList GHookList;
typedef struct _GList GList;
typedef struct _GListAllocator GListAllocator;
typedef struct _GMemChunk GMemChunk;
typedef struct _GNode GNode;
typedef struct _GPtrArray GPtrArray;
typedef struct _GRelation GRelation;
typedef struct _GScanner GScanner;
typedef struct _GScannerConfig GScannerConfig;
typedef struct _GSList GSList;
typedef struct _GString GString;
typedef struct _GStringChunk GStringChunk;
typedef struct _GTimer GTimer;
typedef struct _GTree GTree;
typedef struct _GTuples GTuples;
typedef union _GTokenValue GTokenValue;
typedef enum
{
G_TRAVERSE_LEAFS = 1 << 0,
G_TRAVERSE_NON_LEAFS = 1 << 1,
G_TRAVERSE_ALL = G_TRAVERSE_LEAFS | G_TRAVERSE_NON_LEAFS,
G_TRAVERSE_MASK = 0x03
} GTraverseFlags;
typedef enum
{
G_IN_ORDER,
G_PRE_ORDER,
G_POST_ORDER,
G_LEVEL_ORDER
} GTraverseType;
/* Log level shift offset for user defined
* log levels (0-7 are used by GLib).
*/
#define G_LOG_LEVEL_USER_SHIFT (8)
/* Glib log levels and flags.
*/
typedef enum
{
/* log flags */
G_LOG_FLAG_RECURSION = 1 << 0,
G_LOG_FLAG_FATAL = 1 << 1,
/* GLib log levels */
G_LOG_LEVEL_ERROR = 1 << 2, /* always fatal */
G_LOG_LEVEL_CRITICAL = 1 << 3,
G_LOG_LEVEL_WARNING = 1 << 4,
G_LOG_LEVEL_MESSAGE = 1 << 5,
G_LOG_LEVEL_INFO = 1 << 6,
G_LOG_LEVEL_DEBUG = 1 << 7,
G_LOG_LEVEL_MASK = ~(G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL)
} GLogLevelFlags;
/* GLib log levels that are considered fatal by default */
#define G_LOG_FATAL_MASK (G_LOG_FLAG_RECURSION | G_LOG_LEVEL_ERROR)
typedef gpointer (*GCacheNewFunc) (gpointer key);
typedef gpointer (*GCacheDupFunc) (gpointer value);
typedef void (*GCacheDestroyFunc) (gpointer value);
typedef gint (*GCompareFunc) (gconstpointer a,
gconstpointer b);
typedef gchar* (*GCompletionFunc) (gpointer);
typedef void (*GDestroyNotify) (gpointer data);
typedef void (*GDataForeachFunc) (GQuark key_id,
gpointer data,
gpointer user_data);
typedef void (*GFunc) (gpointer data,
gpointer user_data);
typedef guint (*GHashFunc) (gconstpointer key);
typedef void (*GHFunc) (gpointer key,
gpointer value,
gpointer user_data);
typedef gboolean (*GHRFunc) (gpointer key,
gpointer value,
gpointer user_data);
typedef gint (*GHookCompareFunc) (GHook *new_hook,
GHook *sibling);
typedef gboolean (*GHookFindFunc) (GHook *hook,
gpointer data);
typedef void (*GHookMarshaller) (GHook *hook,
gpointer data);
typedef void (*GHookFunc) (gpointer data);
typedef gboolean (*GHookCheckFunc) (gpointer data);
typedef void (*GLogFunc) (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer user_data);
typedef gboolean (*GNodeTraverseFunc) (GNode *node,
gpointer data);
typedef void (*GNodeForeachFunc) (GNode *node,
gpointer data);
typedef gint (*GSearchFunc) (gpointer key,
gpointer data);
typedef void (*GScannerMsgFunc) (GScanner *scanner,
gchar *message,
gint error);
typedef gint (*GTraverseFunc) (gpointer key,
gpointer value,
gpointer data);
typedef void (*GVoidFunc) (void);
struct _GList
{
gpointer data;
GList *next;
GList *prev;
};
struct _GSList
{
gpointer data;
GSList *next;
};
struct _GString
{
gchar *str;
gint len;
};
struct _GArray
{
gchar *data;
guint len;
};
struct _GByteArray
{
guint8 *data;
guint len;
};
struct _GPtrArray
{
gpointer *pdata;
guint len;
};
struct _GTuples
{
guint len;
};
struct _GDebugKey
{
gchar *key;
guint value;
};
struct _GCache { gint dummy; };
struct _GTree { gint dummy; };
struct _GTimer { gint dummy; };
struct _GMemChunk { gint dummy; };
struct _GListAllocator { gint dummy; };
struct _GStringChunk { gint dummy; };
/* Doubly linked lists
*/
GList* g_list_alloc (void);
void g_list_free (GList *list);
void g_list_free_1 (GList *list);
GList* g_list_append (GList *list,
gpointer data);
GList* g_list_prepend (GList *list,
gpointer data);
GList* g_list_insert (GList *list,
gpointer data,
gint position);
GList* g_list_insert_sorted (GList *list,
gpointer data,
GCompareFunc func);
GList* g_list_concat (GList *list1,
GList *list2);
GList* g_list_remove (GList *list,
gpointer data);
GList* g_list_remove_link (GList *list,
GList *llink);
GList* g_list_reverse (GList *list);
GList* g_list_nth (GList *list,
guint n);
GList* g_list_find (GList *list,
gpointer data);
GList* g_list_find_custom (GList *list,
gpointer data,
GCompareFunc func);
gint g_list_position (GList *list,
GList *llink);
gint g_list_index (GList *list,
gpointer data);
GList* g_list_last (GList *list);
GList* g_list_first (GList *list);
guint g_list_length (GList *list);
void g_list_foreach (GList *list,
GFunc func,
gpointer user_data);
gpointer g_list_nth_data (GList *list,
guint n);
#define g_list_previous(list) ((list) ? (((GList *)(list))->prev) : NULL)
#define g_list_next(list) ((list) ? (((GList *)(list))->next) : NULL)
/* Singly linked lists
*/
GSList* g_slist_alloc (void);
void g_slist_free (GSList *list);
void g_slist_free_1 (GSList *list);
GSList* g_slist_append (GSList *list,
gpointer data);
GSList* g_slist_prepend (GSList *list,
gpointer data);
GSList* g_slist_insert (GSList *list,
gpointer data,
gint position);
GSList* g_slist_insert_sorted (GSList *list,
gpointer data,
GCompareFunc func);
GSList* g_slist_concat (GSList *list1,
GSList *list2);
GSList* g_slist_remove (GSList *list,
gpointer data);
GSList* g_slist_remove_link (GSList *list,
GSList *llink);
GSList* g_slist_reverse (GSList *list);
GSList* g_slist_nth (GSList *list,
guint n);
GSList* g_slist_find (GSList *list,
gpointer data);
GSList* g_slist_find_custom (GSList *list,
gpointer data,
GCompareFunc func);
gint g_slist_position (GSList *list,
GSList *llink);
gint g_slist_index (GSList *list,
gpointer data);
GSList* g_slist_last (GSList *list);
guint g_slist_length (GSList *list);
void g_slist_foreach (GSList *list,
GFunc func,
gpointer user_data);
gpointer g_slist_nth_data (GSList *list,
guint n);
#define g_slist_next(slist) ((slist) ? (((GSList *)(slist))->next) : NULL)
/* List Allocators
*/
GListAllocator* g_list_allocator_new (void);
void g_list_allocator_free (GListAllocator* allocator);
GListAllocator* g_slist_set_allocator (GListAllocator* allocator);
GListAllocator* g_list_set_allocator (GListAllocator* allocator);
/* Hash tables
*/
GHashTable* g_hash_table_new (GHashFunc hash_func,
GCompareFunc key_compare_func);
void g_hash_table_destroy (GHashTable *hash_table);
void g_hash_table_insert (GHashTable *hash_table,
gpointer key,
gpointer value);
void g_hash_table_remove (GHashTable *hash_table,
gconstpointer key);
gpointer g_hash_table_lookup (GHashTable *hash_table,
gconstpointer key);
gboolean g_hash_table_lookup_extended(GHashTable *hash_table,
gconstpointer lookup_key,
gpointer *orig_key,
gpointer *value);
void g_hash_table_freeze (GHashTable *hash_table);
void g_hash_table_thaw (GHashTable *hash_table);
void g_hash_table_foreach (GHashTable *hash_table,
GHFunc func,
gpointer user_data);
gint g_hash_table_foreach_remove (GHashTable *hash_table,
GHRFunc func,
gpointer user_data);
gint g_hash_table_size (GHashTable *hash_table);
/* Caches
*/
GCache* g_cache_new (GCacheNewFunc value_new_func,
GCacheDestroyFunc value_destroy_func,
GCacheDupFunc key_dup_func,
GCacheDestroyFunc key_destroy_func,
GHashFunc hash_key_func,
GHashFunc hash_value_func,
GCompareFunc key_compare_func);
void g_cache_destroy (GCache *cache);
gpointer g_cache_insert (GCache *cache,
gpointer key);
void g_cache_remove (GCache *cache,
gpointer value);
void g_cache_key_foreach (GCache *cache,
GHFunc func,
gpointer user_data);
void g_cache_value_foreach (GCache *cache,
GHFunc func,
gpointer user_data);
/* Balanced binary trees
*/
GTree* g_tree_new (GCompareFunc key_compare_func);
void g_tree_destroy (GTree *tree);
void g_tree_insert (GTree *tree,
gpointer key,
gpointer value);
void g_tree_remove (GTree *tree,
gpointer key);
gpointer g_tree_lookup (GTree *tree,
gpointer key);
void g_tree_traverse (GTree *tree,
GTraverseFunc traverse_func,
GTraverseType traverse_type,
gpointer data);
gpointer g_tree_search (GTree *tree,
GSearchFunc search_func,
gpointer data);
gint g_tree_height (GTree *tree);
gint g_tree_nnodes (GTree *tree);
/* N-way tree implementation
*/
struct _GNode
{
gpointer data;
GNode *next;
GNode *prev;
GNode *parent;
GNode *children;
};
#define G_NODE_IS_ROOT(node) (((GNode*) (node))->parent == NULL && \
((GNode*) (node))->prev == NULL && \
((GNode*) (node))->next == NULL)
#define G_NODE_IS_LEAF(node) (((GNode*) (node))->children == NULL)
GNode* g_node_new (gpointer data);
void g_node_destroy (GNode *root);
void g_node_unlink (GNode *node);
GNode* g_node_insert (GNode *parent,
gint position,
GNode *node);
GNode* g_node_insert_before (GNode *parent,
GNode *sibling,
GNode *node);
GNode* g_node_prepend (GNode *parent,
GNode *node);
guint g_node_n_nodes (GNode *root,
GTraverseFlags flags);
GNode* g_node_get_root (GNode *node);
gboolean g_node_is_ancestor (GNode *node,
GNode *descendant);
guint g_node_depth (GNode *node);
GNode* g_node_find (GNode *root,
GTraverseType order,
GTraverseFlags flags,
gpointer data);
/* convenience macros */
#define g_node_append(parent, node) \
g_node_insert_before ((parent), NULL, (node))
#define g_node_insert_data(parent, position, data) \
g_node_insert ((parent), (position), g_node_new (data))
#define g_node_insert_data_before(parent, sibling, data) \
g_node_insert_before ((parent), (sibling), g_node_new (data))
#define g_node_prepend_data(parent, data) \
g_node_prepend ((parent), g_node_new (data))
#define g_node_append_data(parent, data) \
g_node_insert_before ((parent), NULL, g_node_new (data))
/* traversal function, assumes that `node' is root
* (only traverses `node' and its subtree).
* this function is just a high level interface to
* low level traversal functions, optimized for speed.
*/
void g_node_traverse (GNode *root,
GTraverseType order,
GTraverseFlags flags,
gint max_depth,
GNodeTraverseFunc func,
gpointer data);
/* return the maximum tree height starting with `node', this is an expensive
* operation, since we need to visit all nodes. this could be shortened by
* adding `guint height' to struct _GNode, but then again, this is not very
* often needed, and would make g_node_insert() more time consuming.
*/
guint g_node_max_height (GNode *root);
void g_node_children_foreach (GNode *node,
GTraverseFlags flags,
GNodeForeachFunc func,
gpointer data);
void g_node_reverse_children (GNode *node);
guint g_node_n_children (GNode *node);
GNode* g_node_nth_child (GNode *node,
guint n);
GNode* g_node_last_child (GNode *node);
GNode* g_node_find_child (GNode *node,
GTraverseFlags flags,
gpointer data);
gint g_node_child_position (GNode *node,
GNode *child);
gint g_node_child_index (GNode *node,
gpointer data);
GNode* g_node_first_sibling (GNode *node);
GNode* g_node_last_sibling (GNode *node);
#define g_node_prev_sibling(node) ((node) ? \
((GNode*) (node))->prev : NULL)
#define g_node_next_sibling(node) ((node) ? \
((GNode*) (node))->next : NULL)
#define g_node_first_child(node) ((node) ? \
((GNode*) (node))->children : NULL)
/* Callback maintenance functions
*/
#define G_HOOK_FLAG_USER_SHIFT (4)
typedef enum
{
G_HOOK_FLAG_ACTIVE = 1 << 0,
G_HOOK_FLAG_IN_CALL = 1 << 1,
G_HOOK_FLAG_MASK = 0x0f
} GHookFlagMask;
struct _GHookList
{
guint seq_id;
guint hook_size;
guint is_setup : 1;
GHook *hooks;
GMemChunk *hook_memchunk;
};
struct _GHook
{
gpointer data;
GHook *next;
GHook *prev;
guint ref_count;
guint hook_id;
guint flags;
gpointer func;
GDestroyNotify destroy;
};
#define G_HOOK_ACTIVE(hook) ((((GHook*) hook)->flags & \
G_HOOK_FLAG_ACTIVE) != 0)
#define G_HOOK_IN_CALL(hook) ((((GHook*) hook)->flags & \
G_HOOK_FLAG_IN_CALL) != 0)
#define G_HOOK_IS_VALID(hook) (((GHook*) hook)->hook_id != 0 && \
G_HOOK_ACTIVE (hook))
#define G_HOOK_IS_UNLINKED(hook) (((GHook*) hook)->next == NULL && \
((GHook*) hook)->prev == NULL && \
((GHook*) hook)->hook_id == 0 && \
((GHook*) hook)->ref_count == 0)
void g_hook_list_init (GHookList *hook_list,
guint hook_size);
void g_hook_list_clear (GHookList *hook_list);
GHook* g_hook_alloc (GHookList *hook_list);
void g_hook_free (GHookList *hook_list,
GHook *hook);
void g_hook_ref (GHookList *hook_list,
GHook *hook);
void g_hook_unref (GHookList *hook_list,
GHook *hook);
gboolean g_hook_destroy (GHookList *hook_list,
guint hook_id);
void g_hook_destroy_link (GHookList *hook_list,
GHook *hook);
void g_hook_prepend (GHookList *hook_list,
GHook *hook);
void g_hook_insert_before (GHookList *hook_list,
GHook *sibling,
GHook *hook);
void g_hook_insert_sorted (GHookList *hook_list,
GHook *hook,
GHookCompareFunc func);
GHook* g_hook_get (GHookList *hook_list,
guint hook_id);
GHook* g_hook_find (GHookList *hook_list,
gboolean need_valids,
GHookFindFunc func,
gpointer data);
GHook* g_hook_find_data (GHookList *hook_list,
gboolean need_valids,
gpointer data);
GHook* g_hook_find_func (GHookList *hook_list,
gboolean need_valids,
gpointer func);
GHook* g_hook_find_func_data (GHookList *hook_list,
gboolean need_valids,
gpointer func,
gpointer data);
GHook* g_hook_first_valid (GHookList *hook_list,
gboolean may_be_in_call);
GHook* g_hook_next_valid (GHook *hook,
gboolean may_be_in_call);
/* GHookCompareFunc implementation to insert hooks sorted by their id */
gint g_hook_compare_ids (GHook *new_hook,
GHook *sibling);
/* convenience macros */
#define g_hook_append( hook_list, hook ) \
g_hook_insert_before ((hook_list), NULL, (hook))
/* invoke all valid hooks with the (*GHookFunc) signature.
*/
void g_hook_list_invoke (GHookList *hook_list,
gboolean may_recurse);
/* invoke all valid hooks with the (*GHookCheckFunc) signature,
* and destroy the hook if FALSE is returned.
*/
void g_hook_list_invoke_check (GHookList *hook_list,
gboolean may_recurse);
/* invoke a marshaller on all valid hooks.
*/
void g_hook_list_marshal (GHookList *hook_list,
gboolean may_recurse,
GHookMarshaller marshaller,
gpointer data);
/* Fatal error handlers.
* g_on_error_query() will prompt the user to either
* [E]xit, [H]alt, [P]roceed or show [S]tack trace.
* g_on_error_stack_trace() invokes gdb, which attaches to the current
* process and shows a stack trace.
* These function may cause different actions on non-unix platforms.
* The prg_name arg is required by gdb to find the executable, if it is
* passed as NULL, g_on_error_query() will try g_get_prgname().
*/
void g_on_error_query (const gchar *prg_name);
void g_on_error_stack_trace (const gchar *prg_name);
/* Logging mechanism
*/
extern const gchar *g_log_domain_glib;
guint g_log_set_handler (const gchar *log_domain,
GLogLevelFlags log_levels,
GLogFunc log_func,
gpointer user_data);
void g_log_remove_handler (const gchar *log_domain,
guint handler_id);
void g_log_default_handler (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer unused_data);
void g_log (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *format,
...) G_GNUC_PRINTF (3, 4);
void g_logv (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *format,
va_list args);
GLogLevelFlags g_log_set_fatal_mask (const gchar *log_domain,
GLogLevelFlags fatal_mask);
GLogLevelFlags g_log_set_always_fatal (GLogLevelFlags fatal_mask);
#ifndef G_LOG_DOMAIN
#define G_LOG_DOMAIN (NULL)
#endif /* G_LOG_DOMAIN */
#ifdef __GNUC__
#define g_error(format, args...) g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_ERROR, \
format, ##args)
#define g_message(format, args...) g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_MESSAGE, \
format, ##args)
#define g_warning(format, args...) g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_WARNING, \
format, ##args)
#else /* !__GNUC__ */
static inline void
g_error (const gchar *format,
...)
{
va_list args;
va_start (args, format);
g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, format, args);
va_end (args);
}
static inline void
g_message (const gchar *format,
...)
{
va_list args;
va_start (args, format);
g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, format, args);
va_end (args);
}
static inline void
g_warning (const gchar *format,
...)
{
va_list args;
va_start (args, format);
g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, format, args);
va_end (args);
}
#endif /* !__GNUC__ */
typedef void (*GPrintFunc) (const gchar *string);
void g_print (const gchar *format,
...) G_GNUC_PRINTF (1, 2);
GPrintFunc g_set_print_handler (GPrintFunc func);
void g_printerr (const gchar *format,
...) G_GNUC_PRINTF (1, 2);
GPrintFunc g_set_printerr_handler (GPrintFunc func);
/* deprecated compatibility functions, use g_log_set_handler() instead */
typedef void (*GErrorFunc) (const gchar *str);
typedef void (*GWarningFunc) (const gchar *str);
GErrorFunc g_set_error_handler (GErrorFunc func);
GWarningFunc g_set_warning_handler (GWarningFunc func);
GPrintFunc g_set_message_handler (GPrintFunc func);
/* Memory allocation and debugging
*/
#ifdef USE_DMALLOC
#define g_malloc(size) ((gpointer) MALLOC (size))
#define g_malloc0(size) ((gpointer) CALLOC (char, size))
#define g_realloc(mem,size) ((gpointer) REALLOC (mem, char, size))
#define g_free(mem) FREE (mem)
#else /* !USE_DMALLOC */
gpointer g_malloc (gulong size);
gpointer g_malloc0 (gulong size);
gpointer g_realloc (gpointer mem,
gulong size);
void g_free (gpointer mem);
#endif /* !USE_DMALLOC */
void g_mem_profile (void);
void g_mem_check (gpointer mem);
/* "g_mem_chunk_new" creates a new memory chunk.
* Memory chunks are used to allocate pieces of memory which are
* always the same size. Lists are a good example of such a data type.
* The memory chunk allocates and frees blocks of memory as needed.
* Just be sure to call "g_mem_chunk_free" and not "g_free" on data
* allocated in a mem chunk. ("g_free" will most likely cause a seg
* fault...somewhere).
*
* Oh yeah, GMemChunk is an opaque data type. (You don't really
* want to know what's going on inside do you?)
*/
/* ALLOC_ONLY MemChunk's can only allocate memory. The free operation
* is interpreted as a no op. ALLOC_ONLY MemChunk's save 4 bytes per
* atom. (They are also useful for lists which use MemChunk to allocate
* memory but are also part of the MemChunk implementation).
* ALLOC_AND_FREE MemChunk's can allocate and free memory.
*/
#define G_ALLOC_ONLY 1
#define G_ALLOC_AND_FREE 2
GMemChunk* g_mem_chunk_new (gchar *name,
gint atom_size,
gulong area_size,
gint type);
void g_mem_chunk_destroy (GMemChunk *mem_chunk);
gpointer g_mem_chunk_alloc (GMemChunk *mem_chunk);
gpointer g_mem_chunk_alloc0 (GMemChunk *mem_chunk);
void g_mem_chunk_free (GMemChunk *mem_chunk,
gpointer mem);
void g_mem_chunk_clean (GMemChunk *mem_chunk);
void g_mem_chunk_reset (GMemChunk *mem_chunk);
void g_mem_chunk_print (GMemChunk *mem_chunk);
void g_mem_chunk_info (void);
/* Ah yes...we have a "g_blow_chunks" function.
* "g_blow_chunks" simply compresses all the chunks. This operation
* consists of freeing every memory area that should be freed (but
* which we haven't gotten around to doing yet). And, no,
* "g_blow_chunks" doesn't follow the naming scheme, but it is a
* much better name than "g_mem_chunk_clean_all" or something
* similar.
*/
void g_blow_chunks (void);
/* Timer
*/
GTimer* g_timer_new (void);
void g_timer_destroy (GTimer *timer);
void g_timer_start (GTimer *timer);
void g_timer_stop (GTimer *timer);
void g_timer_reset (GTimer *timer);
gdouble g_timer_elapsed (GTimer *timer,
gulong *microseconds);
/* String utility functions
*/
#define G_STR_DELIMITERS "_-|> <."
void g_strdelimit (gchar *string,
const gchar *delimiters,
gchar new_delimiter);
gchar* g_strdup (const gchar *str);
gchar* g_strdup_printf (const gchar *format,
...) G_GNUC_PRINTF (1, 2);
gchar* g_strdup_vprintf (const gchar *format,
va_list args);
gchar* g_strndup (const gchar *str,
guint n);
gchar* g_strnfill (guint length,
gchar fill_char);
gchar* g_strconcat (const gchar *string1,
...); /* NULL terminated */
#define g_str_join g_strconcat
gdouble g_strtod (const gchar *nptr,
gchar **endptr);
gchar* g_strerror (gint errnum);
gchar* g_strsignal (gint signum);
gint g_strcasecmp (const gchar *s1,
const gchar *s2);
void g_strdown (gchar *string);
void g_strup (gchar *string);
void g_strreverse (gchar *string);
gpointer g_memdup (gconstpointer mem,
guint byte_size);
/* removes leading spaces */
gchar * g_str_chug (gchar *astring,
gboolean in_place);
/* removes trailing spaces */
gchar * g_str_chomp (gchar *astring,
gboolean in_place);
/* removes leading & trailing spaces */
#define g_str_strip(astring, in_place) \
g_str_chomp(g_str_chug(astring, in_place), FALSE)
/* these routines that work with string arrays in which the last
element is NULL */
gchar ** g_str_split (const gchar *string,
const gchar *delim,
gint max_tokens);
gchar* g_strconcatv (const gchar *separator,
const gchar **strarray);
#define g_str_joinv g_strconcatv
void g_str_array_free (gchar **strarray);
/* calculate a string size, guarranteed to fit format + args.
*/
guint g_printf_string_upper_bound (const gchar* format,
va_list args);
/* Retrive static string info
*/
gchar* g_get_user_name (void);
gchar* g_get_real_name (void);
gchar* g_get_home_dir (void);
gchar* g_get_tmp_dir (void);
gchar* g_get_prgname (void);
void g_set_prgname (const gchar *prgname);
/* Miscellaneous utility functions
*/
guint g_parse_debug_string (const gchar *string,
GDebugKey *keys,
guint nkeys);
gint g_snprintf (gchar *string,
gulong n,
gchar const *format,
...) G_GNUC_PRINTF (3, 4);
gint g_vsnprintf (gchar *string,
gulong n,
gchar const *format,
va_list args);
gchar* g_basename (const gchar *file_name);
/* strings are newly allocated with g_malloc() */
gchar* g_dirname (const gchar *file_name);
gchar* g_get_current_dir (void);
/* We make the assumption that if memmove isn't available, then
* bcopy will do the job. This isn't safe everywhere. (bcopy can't
* necessarily handle overlapping copies).
* Either way, g_memmove() will not return a value.
*/
#ifdef HAVE_MEMMOVE
#define g_memmove(dest, src, size) G_STMT_START { \
memmove ((dest), (src), (size)); \
} G_STMT_END
#else
#define g_memmove(dest, src, size) G_STMT_START { \
bcopy ((src), (dest), (size)); \
} G_STMT_END
#endif
/* we use a GLib function as a replacement for ATEXIT, so
* the programmer is not required to check the return value
* (if there is any in the implementation) and doesn't encounter
* missing include files.
*/
void g_atexit (GVoidFunc func);
/* Bit tests
*/
G_INLINE_FUNC gint g_bit_nth_lsf (guint32 mask,
gint nth_bit);
#ifdef G_CAN_INLINE
G_INLINE_FUNC gint
g_bit_nth_lsf (guint32 mask,
gint nth_bit)
{
do
{
nth_bit++;
if (mask & (1 << (guint) nth_bit))
return nth_bit;
}
while (nth_bit < 32);
return -1;
}
#endif /* G_CAN_INLINE */
G_INLINE_FUNC gint g_bit_nth_msf (guint32 mask,
gint nth_bit);
#ifdef G_CAN_INLINE
G_INLINE_FUNC gint
g_bit_nth_msf (guint32 mask,
gint nth_bit)
{
if (nth_bit < 0)
nth_bit = 33;
do
{
nth_bit--;
if (mask & (1 << (guint) nth_bit))
return nth_bit;
}
while (nth_bit > 0);
return -1;
}
#endif /* G_CAN_INLINE */
G_INLINE_FUNC guint g_bit_storage (guint number);
#ifdef G_CAN_INLINE
G_INLINE_FUNC guint
g_bit_storage (guint number)
{
register guint n_bits = 0;
do
{
n_bits++;
number >>= 1;
}
while (number);
return n_bits;
}
#endif /* G_CAN_INLINE */
/* String Chunks
*/
GStringChunk* g_string_chunk_new (gint size);
void g_string_chunk_free (GStringChunk *chunk);
gchar* g_string_chunk_insert (GStringChunk *chunk,
const gchar *string);
gchar* g_string_chunk_insert_const (GStringChunk *chunk,
const gchar *string);
/* Strings
*/
GString* g_string_new (const gchar *init);
GString* g_string_sized_new (guint dfl_size);
void g_string_free (GString *string,
gint free_segment);
GString* g_string_assign (GString *lval,
const gchar *rval);
GString* g_string_truncate (GString *string,
gint len);
GString* g_string_append (GString *string,
const gchar *val);
GString* g_string_append_c (GString *string,
gchar c);
GString* g_string_prepend (GString *string,
const gchar *val);
GString* g_string_prepend_c (GString *string,
gchar c);
GString* g_string_insert (GString *string,
gint pos,
const gchar *val);
GString* g_string_insert_c (GString *string,
gint pos,
gchar c);
GString* g_string_erase (GString *string,
gint pos,
gint len);
GString* g_string_down (GString *string);
GString* g_string_up (GString *string);
void g_string_sprintf (GString *string,
const gchar *format,
...) G_GNUC_PRINTF (2, 3);
void g_string_sprintfa (GString *string,
const gchar *format,
...) G_GNUC_PRINTF (2, 3);
/* Resizable arrays
*/
#define g_array_append_val(a,v) g_array_append_vals(a,&v,1)
#define g_array_prepend_val(a,v) g_array_prepend_vals(a,&v,1)
#define g_array_index(a,t,i) (((t*)a->data)[i])
GArray* g_array_new (gboolean zero_terminated,
gboolean clear,
guint element_size);
void g_array_free (GArray *array,
gboolean free_segment);
GArray* g_array_append_vals (GArray *array,
gconstpointer data,
guint len);
GArray* g_array_prepend_vals (GArray *array,
gconstpointer data,
guint len);
GArray* g_array_set_size (GArray *array,
guint length);
/* Resizable pointer array. This interface is much less complicated
* than the above. Add appends appends a pointer. Remove fills any
* cleared spot and shortens the array.
*/
#define g_ptr_array_index(array,index) (array->pdata)[index]
GPtrArray* g_ptr_array_new (void);
void g_ptr_array_free (GPtrArray *array,
gboolean free_seg);
void g_ptr_array_set_size (GPtrArray *array,
gint length);
gpointer g_ptr_array_remove_index (GPtrArray *array,
gint index);
gboolean g_ptr_array_remove (GPtrArray *array,
gpointer data);
void g_ptr_array_add (GPtrArray *array,
gpointer data);
/* Byte arrays, an array of guint8. Implemented as a GArray,
* but type-safe.
*/
GByteArray* g_byte_array_new (void);
void g_byte_array_free (GByteArray *array,
gboolean free_segment);
GByteArray* g_byte_array_append (GByteArray *array,
const guint8 *data,
guint len);
GByteArray* g_byte_array_prepend (GByteArray *array,
const guint8 *data,
guint len);
GByteArray* g_byte_array_set_size (GByteArray *array,
guint length);
/* Hash Functions
*/
gint g_str_equal (gconstpointer v,
gconstpointer v2);
guint g_str_hash (gconstpointer v);
gint g_int_equal (gconstpointer v,
gconstpointer v2);
guint g_int_hash (gconstpointer v);
/* This "hash" function will just return the key's adress as an
* unsigned integer. Useful for hashing on plain adresses or
* simple integer values.
*/
guint g_direct_hash (gconstpointer v);
gint g_direct_equal (gconstpointer v,
gconstpointer v2);
/* Quarks (string<->id association)
*/
GQuark g_quark_try_string (const gchar *string);
GQuark g_quark_from_static_string (const gchar *string);
GQuark g_quark_from_string (const gchar *string);
gchar* g_quark_to_string (GQuark quark);
/* Keyed Data List
*/
void g_datalist_init (GData **datalist);
void g_datalist_clear (GData **datalist);
gpointer g_datalist_id_get_data (GData **datalist,
GQuark key_id);
void g_datalist_id_set_data_full (GData **datalist,
GQuark key_id,
gpointer data,
GDestroyNotify destroy_func);
void g_datalist_id_remove_no_notify (GData **datalist,
GQuark key_id);
void g_datalist_foreach (GData **datalist,
GDataForeachFunc func,
gpointer user_data);
#define g_datalist_id_set_data(dl, q, d) \
g_datalist_id_set_data_full ((dl), (q), (d), NULL)
#define g_datalist_id_remove_data(dl, q) \
g_datalist_id_set_data ((dl), (q), NULL)
#define g_datalist_get_data(dl, k) \
(g_datalist_id_get_data ((dl), g_quark_try_string (k)))
#define g_datalist_set_data_full(dl, k, d, f) \
g_datalist_id_set_data_full ((dl), g_quark_from_string (k), (d), (f))
#define g_datalist_remove_no_notify(dl, k) \
g_datalist_id_remove_no_notify ((dl), g_quark_try_string (k))
#define g_datalist_set_data(dl, k, d) \
g_datalist_set_data_full ((dl), (k), (d), NULL)
#define g_datalist_remove_data(dl, k) \
g_datalist_id_set_data ((dl), g_quark_try_string (k), NULL)
/* Location Associated Keyed Data
*/
void g_dataset_destroy (gconstpointer dataset_location);
gpointer g_dataset_id_get_data (gconstpointer dataset_location,
GQuark key_id);
void g_dataset_id_set_data_full (gconstpointer dataset_location,
GQuark key_id,
gpointer data,
GDestroyNotify destroy_func);
void g_dataset_id_remove_no_notify (gconstpointer dataset_location,
GQuark key_id);
void g_dataset_foreach (gconstpointer dataset_location,
GDataForeachFunc func,
gpointer user_data);
#define g_dataset_id_set_data(l, k, d) \
g_dataset_id_set_data_full ((l), (k), (d), NULL)
#define g_dataset_id_remove_data(l, k) \
g_dataset_id_set_data ((l), (k), NULL)
#define g_dataset_get_data(l, k) \
(g_dataset_id_get_data ((l), g_quark_try_string (k)))
#define g_dataset_set_data_full(l, k, d, f) \
g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f))
#define g_dataset_remove_no_notify(l, k) \
g_dataset_id_remove_no_notify ((l), g_quark_try_string (k))
#define g_dataset_set_data(l, k, d) \
g_dataset_set_data_full ((l), (k), (d), NULL)
#define g_dataset_remove_data(l, k) \
g_dataset_id_set_data ((l), g_quark_try_string (k), NULL)
/* GScanner: Flexible lexical scanner for general purpose.
*/
/* Character sets */
#define G_CSET_A_2_Z "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#define G_CSET_a_2_z "abcdefghijklmnopqrstuvwxyz"
#define G_CSET_LATINC "\300\301\302\303\304\305\306"\
"\307\310\311\312\313\314\315\316\317\320"\
"\321\322\323\324\325\326"\
"\330\331\332\333\334\335\336"
#define G_CSET_LATINS "\337\340\341\342\343\344\345\346"\
"\347\350\351\352\353\354\355\356\357\360"\
"\361\362\363\364\365\366"\
"\370\371\372\373\374\375\376\377"
/* Error types */
typedef enum
{
G_ERR_UNKNOWN,
G_ERR_UNEXP_EOF,
G_ERR_UNEXP_EOF_IN_STRING,
G_ERR_UNEXP_EOF_IN_COMMENT,
G_ERR_NON_DIGIT_IN_CONST,
G_ERR_DIGIT_RADIX,
G_ERR_FLOAT_RADIX,
G_ERR_FLOAT_MALFORMED
} GErrorType;
/* Token types */
typedef enum
{
G_TOKEN_EOF = 0,
G_TOKEN_LEFT_PAREN = '(',
G_TOKEN_RIGHT_PAREN = ')',
G_TOKEN_LEFT_CURLY = '{',
G_TOKEN_RIGHT_CURLY = '}',
G_TOKEN_LEFT_BRACE = '[',
G_TOKEN_RIGHT_BRACE = ']',
G_TOKEN_EQUAL_SIGN = '=',
G_TOKEN_COMMA = ',',
G_TOKEN_NONE = 256,
G_TOKEN_ERROR,
G_TOKEN_CHAR,
G_TOKEN_BINARY,
G_TOKEN_OCTAL,
G_TOKEN_INT,
G_TOKEN_HEX,
G_TOKEN_FLOAT,
G_TOKEN_STRING,
G_TOKEN_SYMBOL,
G_TOKEN_IDENTIFIER,
G_TOKEN_IDENTIFIER_NULL,
G_TOKEN_COMMENT_SINGLE,
G_TOKEN_COMMENT_MULTI,
G_TOKEN_LAST
} GTokenType;
union _GTokenValue
{
gpointer v_symbol;
gchar *v_identifier;
gulong v_binary;
gulong v_octal;
gulong v_int;
gdouble v_float;
gulong v_hex;
gchar *v_string;
gchar *v_comment;
guchar v_char;
guint v_error;
};
struct _GScannerConfig
{
/* Character sets
*/
gchar *cset_skip_characters; /* default: " \t\n" */
gchar *cset_identifier_first;
gchar *cset_identifier_nth;
gchar *cpair_comment_single; /* default: "#\n" */
/* Should symbol lookup work case sensitive?
*/
guint case_sensitive : 1;
/* Boolean values to be adjusted "on the fly"
* to configure scanning behaviour.
*/
guint skip_comment_multi : 1; /* C like comment */
guint skip_comment_single : 1; /* single line comment */
guint scan_comment_multi : 1; /* scan multi line comments? */
guint scan_identifier : 1;
guint scan_identifier_1char : 1;
guint scan_identifier_NULL : 1;
guint scan_symbols : 1;
guint scan_binary : 1;
guint scan_octal : 1;
guint scan_float : 1;
guint scan_hex : 1; /* `0x0ff0' */
guint scan_hex_dollar : 1; /* `$0ff0' */
guint scan_string_sq : 1; /* string: 'anything' */
guint scan_string_dq : 1; /* string: "\\-escapes!\n" */
guint numbers_2_int : 1; /* bin, octal, hex => int */
guint int_2_float : 1; /* int => G_TOKEN_FLOAT? */
guint identifier_2_string : 1;
guint char_2_token : 1; /* return G_TOKEN_CHAR? */
guint symbol_2_token : 1;
guint scope_0_fallback : 1; /* try scope 0 on lookups? */
};
struct _GScanner
{
/* unused fields */
gpointer user_data;
guint max_parse_errors;
/* g_scanner_error() increments this field */
guint parse_errors;
/* name of input stream, featured by the default message handler */
const gchar *input_name;
/* data pointer for derived structures */
gpointer derived_data;
/* link into the scanner configuration */
GScannerConfig *config;
/* fields filled in after g_scanner_get_next_token() */
GTokenType token;
GTokenValue value;
guint line;
guint position;
/* fields filled in after g_scanner_peek_next_token() */
GTokenType next_token;
GTokenValue next_value;
guint next_line;
guint next_position;
/* to be considered private */
GHashTable *symbol_table;
gint input_fd;
const gchar *text;
const gchar *text_end;
gchar *buffer;
guint scope_id;
/* handler function for _warn and _error */
GScannerMsgFunc msg_handler;
};
GScanner* g_scanner_new (GScannerConfig *config_templ);
void g_scanner_destroy (GScanner *scanner);
void g_scanner_input_file (GScanner *scanner,
gint input_fd);
void g_scanner_input_text (GScanner *scanner,
const gchar *text,
guint text_len);
GTokenType g_scanner_get_next_token (GScanner *scanner);
GTokenType g_scanner_peek_next_token (GScanner *scanner);
GTokenType g_scanner_cur_token (GScanner *scanner);
GTokenValue g_scanner_cur_value (GScanner *scanner);
guint g_scanner_cur_line (GScanner *scanner);
guint g_scanner_cur_position (GScanner *scanner);
gboolean g_scanner_eof (GScanner *scanner);
guint g_scanner_set_scope (GScanner *scanner,
guint scope_id);
void g_scanner_scope_add_symbol (GScanner *scanner,
guint scope_id,
const gchar *symbol,
gpointer value);
void g_scanner_scope_remove_symbol (GScanner *scanner,
guint scope_id,
const gchar *symbol);
gpointer g_scanner_scope_lookup_symbol (GScanner *scanner,
guint scope_id,
const gchar *symbol);
void g_scanner_scope_foreach_symbol (GScanner *scanner,
guint scope_id,
GHFunc func,
gpointer func_data);
gpointer g_scanner_lookup_symbol (GScanner *scanner,
const gchar *symbol);
void g_scanner_freeze_symbol_table (GScanner *scanner);
void g_scanner_thaw_symbol_table (GScanner *scanner);
void g_scanner_unexp_token (GScanner *scanner,
GTokenType expected_token,
const gchar *identifier_spec,
const gchar *symbol_spec,
const gchar *symbol_name,
const gchar *message,
gint is_error);
void g_scanner_error (GScanner *scanner,
const gchar *format,
...) G_GNUC_PRINTF (2,3);
void g_scanner_warn (GScanner *scanner,
const gchar *format,
...) G_GNUC_PRINTF (2,3);
gint g_scanner_stat_mode (const gchar *filename);
/* keep downward source compatibility */
#define g_scanner_add_symbol( scanner, symbol, value ) G_STMT_START { \
g_scanner_scope_add_symbol ((scanner), 0, (symbol), (value)); \
} G_STMT_END
#define g_scanner_remove_symbol( scanner, symbol ) G_STMT_START { \
g_scanner_scope_remove_symbol ((scanner), 0, (symbol)); \
} G_STMT_END
#define g_scanner_foreach_symbol( scanner, func, data ) G_STMT_START { \
g_scanner_scope_foreach_symbol ((scanner), 0, (func), (data)); \
} G_STMT_END
/* Completion */
struct _GCompletion
{
GList* items;
GCompletionFunc func;
gchar* prefix;
GList* cache;
};
GCompletion* g_completion_new (GCompletionFunc func);
void g_completion_add_items (GCompletion* cmp,
GList* items);
void g_completion_remove_items (GCompletion* cmp,
GList* items);
void g_completion_clear_items (GCompletion* cmp);
GList* g_completion_complete (GCompletion* cmp,
gchar* prefix,
gchar** new_prefix);
void g_completion_free (GCompletion* cmp);
/* GRelation: Indexed Relations. Imagine a really simple table in a
* database. Relations are not ordered. This data type is meant for
* maintaining a N-way mapping.
*
* g_relation_new() creates a relation with FIELDS fields
*
* g_relation_destroy() frees all resources
* g_tuples_destroy() frees the result of g_relation_select()
*
* g_relation_index() indexes relation FIELD with the provided
* equality and hash functions. this must be done before any
* calls to insert are made.
*
* g_relation_insert() inserts a new tuple. you are expected to
* provide the right number of fields.
*
* g_relation_delete() deletes all relations with KEY in FIELD
* g_relation_select() returns ...
* g_relation_count() counts ...
*/
GRelation* g_relation_new (gint fields);
void g_relation_destroy (GRelation *relation);
void g_relation_index (GRelation *relation,
gint field,
GHashFunc hash_func,
GCompareFunc key_compare_func);
void g_relation_insert (GRelation *relation,
...);
gint g_relation_delete (GRelation *relation,
gconstpointer key,
gint field);
GTuples* g_relation_select (GRelation *relation,
gconstpointer key,
gint field);
gint g_relation_count (GRelation *relation,
gconstpointer key,
gint field);
gboolean g_relation_exists (GRelation *relation,
...);
void g_relation_print (GRelation *relation);
void g_tuples_destroy (GTuples *tuples);
gpointer g_tuples_index (GTuples *tuples,
gint index,
gint field);
/* Prime numbers.
*/
/* This function returns prime numbers spaced by approximately 1.5-2.0
* and is for use in resizing data structures which prefer
* prime-valued sizes. The closest spaced prime function returns the
* next largest prime, or the highest it knows about which is about
* MAXINT/4.
*/
guint g_spaced_primes_closest (guint num);
/* Glib version.
*/
extern const guint glib_major_version;
extern const guint glib_minor_version;
extern const guint glib_micro_version;
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __G_LIB_H__ */
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