/* 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 glibconfig.h provides definitions for * the extrema of many of the standard types. These are: * * G_MINSHORT, G_MAXSHORT * G_MININT, G_MAXINT * G_MINLONG, G_MAXLONG * G_MINFLOAT, G_MAXFLOAT * G_MINDOUBLE, G_MAXDOUBLE * * It also provides the following typedefs: * * gint8, guint8 * gint16, guint16 * gint32, guint32 * gint64, guint64 * * It defines the G_BYTE_ORDER symbol to one of G_*_ENDIAN (see later in * this file). * * And it provides a way to store and retrieve a `gint' in/from a `gpointer'. * This is useful to pass an integer instead of a pointer to a callback. * * GINT_TO_POINTER(i), GUINT_TO_POINTER(i) * GPOINTER_TO_INT(p), GPOINTER_TO_UINT(p) * * Finally, it provide the following wrappers to STDC functions: * * g_ATEXIT * To register hooks which are executed on exit(). * Usually a wrapper for STDC atexit. * * void *g_memmove(void *dest, const void *src, guint count); * A wrapper for STDC memmove, or an implementation, if memmove doesn't * exist. The prototype looks like the above, give or take a const, * or size_t. */ #include /* include varargs functions for assertment macros */ #include /* optionally feature DMALLOC memory allocation debugger */ #ifdef USE_DMALLOC #include "dmalloc.h" #endif #ifdef NATIVE_WIN32 /* On native Win32, directory separator is the backslash, and search path * separator is the semicolon. */ #define G_DIR_SEPARATOR '\\' #define G_DIR_SEPARATOR_S "\\" #define G_SEARCHPATH_SEPARATOR ';' #define G_SEARCHPATH_SEPARATOR_S ";" #else /* !NATIVE_WIN32 */ /* Unix */ #define G_DIR_SEPARATOR '/' #define G_DIR_SEPARATOR_S "/" #define G_SEARCHPATH_SEPARATOR ':' #define G_SEARCHPATH_SEPARATOR_S ":" #endif /* !NATIVE_WIN32 */ #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 convenience macros for handling structure * fields through their offsets. */ #define G_STRUCT_OFFSET(struct_type, member) \ ((gulong) ((gchar*) &((struct_type*) 0)->member)) #define G_STRUCT_MEMBER_P(struct_p, struct_offset) \ ((gpointer) ((gchar*) (struct_p) + (gulong) (struct_offset))) #define G_STRUCT_MEMBER(member_type, struct_p, struct_offset) \ (*(member_type*) G_STRUCT_MEMBER_P ((struct_p), (struct_offset))) /* 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 inlining 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. */ #ifndef ATEXIT # define ATEXIT(proc) g_ATEXIT(proc) #else # define G_NATIVE_ATEXIT #endif /* ATEXIT */ /* Hacker macro to place breakpoints for elected machines. * Actual use is strongly deprecated of course ;) */ #if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2 #define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END #elif defined (__alpha__) && defined (__GNUC__) && __GNUC__ >= 2 #define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END #else /* !__i386__ && !__alpha__ */ #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 */ /* 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; typedef gint32 gssize; typedef guint32 gsize; typedef guint32 GQuark; typedef gint32 GTime; /* Portable endian checks and conversions * * glibconfig.h defines G_BYTE_ORDER which expands to one of * the below macros. */ #define G_LITTLE_ENDIAN 1234 #define G_BIG_ENDIAN 4321 #define G_PDP_ENDIAN 3412 /* unused, need specific PDP check */ /* Basic bit swapping functions */ #define GUINT16_SWAP_LE_BE_CONSTANT(val) ((guint16) ( \ (((guint16) (val) & (guint16) 0x00ffU) << 8) | \ (((guint16) (val) & (guint16) 0xff00U) >> 8))) #define GUINT32_SWAP_LE_BE_CONSTANT(val) ((guint32) ( \ (((guint32) (val) & (guint32) 0x000000ffU) << 24) | \ (((guint32) (val) & (guint32) 0x0000ff00U) << 8) | \ (((guint32) (val) & (guint32) 0x00ff0000U) >> 8) | \ (((guint32) (val) & (guint32) 0xff000000U) >> 24))) /* Intel specific stuff for speed */ #if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2 # define GUINT16_SWAP_LE_BE_X86(val) \ (__extension__ \ ({ register guint16 __v; \ if (__builtin_constant_p (val)) \ __v = GUINT16_SWAP_LE_BE_CONSTANT (val); \ else \ __asm__ __const__ ("rorw $8, %w0" \ : "=r" (__v) \ : "0" ((guint16) (val))); \ __v; })) # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_X86 (val)) # if !defined(__i486__) && !defined(__i586__) \ && !defined(__pentium__) && !defined(__i686__) && !defined(__pentiumpro__) # define GUINT32_SWAP_LE_BE_X86(val) \ (__extension__ \ ({ register guint32 __v; \ if (__builtin_constant_p (val)) \ __v = GUINT32_SWAP_LE_BE_CONSTANT (val); \ else \ __asm__ __const__ ("rorw $8, %w0\n\t" \ "rorl $16, %0\n\t" \ "rorw $8, %w0" \ : "=r" (__v) \ : "0" ((guint32) (val))); \ __v; })) # else /* 486 and higher has bswap */ # define GUINT32_SWAP_LE_BE_X86(val) \ (__extension__ \ ({ register guint32 __v; \ if (__builtin_constant_p (val)) \ __v = GUINT32_SWAP_LE_BE_CONSTANT (val); \ else \ __asm__ __const__ ("bswap %0" \ : "=r" (__v) \ : "0" ((guint32) (val))); \ __v; })) # endif /* processor specific 32-bit stuff */ # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86 (val)) #else /* !__i386__ */ # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val)) #endif /* __i386__ */ #ifdef G_HAVE_GINT64 # define GUINT64_SWAP_LE_BE_CONSTANT(val) ((guint64) ( \ (((guint64) (val) & \ (guint64) G_GINT64_CONSTANT(0x00000000000000ffU)) << 56) | \ (((guint64) (val) & \ (guint64) G_GINT64_CONSTANT(0x000000000000ff00U)) << 40) | \ (((guint64) (val) & \ (guint64) G_GINT64_CONSTANT(0x0000000000ff0000U)) << 24) | \ (((guint64) (val) & \ (guint64) G_GINT64_CONSTANT(0x00000000ff000000U)) << 8) | \ (((guint64) (val) & \ (guint64) G_GINT64_CONSTANT(0x000000ff00000000U)) >> 8) | \ (((guint64) (val) & \ (guint64) G_GINT64_CONSTANT(0x0000ff0000000000U)) >> 24) | \ (((guint64) (val) & \ (guint64) G_GINT64_CONSTANT(0x00ff000000000000U)) >> 40) | \ (((guint64) (val) & \ (guint64) G_GINT64_CONSTANT(0xff00000000000000U)) >> 56))) # if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2 # define GUINT64_SWAP_LE_BE_X86(val) \ (__extension__ \ ({ union { guint64 __ll; \ guint32 __l[2]; } __r; \ if (__builtin_constant_p (val)) \ __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (val); \ else \ { \ union { guint64 __ll; \ guint32 __l[2]; } __w; \ __w.__ll = ((guint64) val); \ __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]); \ __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]); \ } \ __r.__ll; })) # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86 (val)) # else /* !__i386__ */ # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT(val)) # endif #endif #define GUINT16_SWAP_LE_PDP(val) ((guint16) (val)) #define GUINT16_SWAP_BE_PDP(val) (GUINT16_SWAP_LE_BE (val)) #define GUINT32_SWAP_LE_PDP(val) ((guint32) ( \ (((guint32) (val) & (guint32) 0x0000ffffU) << 16) | \ (((guint32) (val) & (guint32) 0xffff0000U) >> 16))) #define GUINT32_SWAP_BE_PDP(val) ((guint32) ( \ (((guint32) (val) & (guint32) 0x00ff00ffU) << 8) | \ (((guint32) (val) & (guint32) 0xff00ff00U) >> 8))) /* The G*_TO_?E() macros are defined in glibconfig.h. * The transformation is symmetric, so the FROM just maps to the TO. */ #define GINT16_FROM_LE(val) (GINT16_TO_LE (val)) #define GUINT16_FROM_LE(val) (GUINT16_TO_LE (val)) #define GINT16_FROM_BE(val) (GINT16_TO_BE (val)) #define GUINT16_FROM_BE(val) (GUINT16_TO_BE (val)) #define GINT32_FROM_LE(val) (GINT32_TO_LE (val)) #define GUINT32_FROM_LE(val) (GUINT32_TO_LE (val)) #define GINT32_FROM_BE(val) (GINT32_TO_BE (val)) #define GUINT32_FROM_BE(val) (GUINT32_TO_BE (val)) #ifdef G_HAVE_GINT64 #define GINT64_FROM_LE(val) (GINT64_TO_LE (val)) #define GUINT64_FROM_LE(val) (GUINT64_TO_LE (val)) #define GINT64_FROM_BE(val) (GINT64_TO_BE (val)) #define GUINT64_FROM_BE(val) (GUINT64_TO_BE (val)) #endif #define GLONG_FROM_LE(val) (GLONG_TO_LE (val)) #define GULONG_FROM_LE(val) (GULONG_TO_LE (val)) #define GLONG_FROM_BE(val) (GLONG_TO_BE (val)) #define GULONG_FROM_BE(val) (GULONG_TO_BE (val)) #define GINT_FROM_LE(val) (GINT_TO_LE (val)) #define GUINT_FROM_LE(val) (GUINT_TO_LE (val)) #define GINT_FROM_BE(val) (GINT_TO_BE (val)) #define GUINT_FROM_BE(val) (GUINT_TO_BE (val)) /* Portable versions of host-network order stuff */ #define g_ntohl(val) (GUINT32_FROM_BE (val)) #define g_ntohs(val) (GUINT16_FROM_BE (val)) #define g_htonl(val) (GUINT32_TO_BE (val)) #define g_htons(val) (GUINT16_TO_BE (val)) /* Glib version. * we prefix variable declarations so they can * properly get exported in windows dlls. */ #ifdef NATIVE_WIN32 # ifdef GLIB_COMPILATION # define GUTILS_C_VAR __declspec(dllexport) # else /* !GLIB_COMPILATION */ # define GUTILS_C_VAR extern __declspec(dllimport) # endif /* !GLIB_COMPILATION */ #else /* !NATIVE_WIN32 */ # define GUTILS_C_VAR extern #endif /* !NATIVE_WIN32 */ GUTILS_C_VAR const guint glib_major_version; GUTILS_C_VAR const guint glib_minor_version; GUTILS_C_VAR const guint glib_micro_version; GUTILS_C_VAR const guint glib_interface_age; GUTILS_C_VAR const guint glib_binary_age; /* Forward declarations of glib types. */ typedef struct _GAllocator GAllocator; 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 _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 _GStack GStack; 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 struct _GIOChannel GIOChannel; 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 (*GFreeFunc) (gpointer data); 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 gboolean (*GHookCheckMarshaller) (GHook *hook, gpointer data); typedef void (*GHookFunc) (gpointer data); typedef gboolean (*GHookCheckFunc) (gpointer data); typedef void (*GHookFreeFunc) (GHookList *hook_list, GHook *hook); 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 _GStack { GList *list; }; 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; }; /* Doubly linked lists */ void g_list_push_allocator (GAllocator *allocator); void g_list_pop_allocator (void); 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_delete (GList *list, GList *link); 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_copy (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); GList* g_list_sort (GList *list, GCompareFunc compare_func); 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 */ void g_slist_push_allocator (GAllocator *allocator); void g_slist_pop_allocator (void); 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_copy (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); GSList* g_slist_sort (GSList *list, GCompareFunc compare_func); gpointer g_slist_nth_data (GSList *list, guint n); #define g_slist_next(slist) ((slist) ? (((GSList *)(slist))->next) : NULL) /* Stacks */ GStack * g_stack_new (void); #ifndef G_STACK_MACROIZE void g_stack_free (GStack *stack); void g_stack_push (GStack *stack, gpointer data); #endif gpointer g_stack_pop (GStack *stack); #if G_STACK_MACROIZE #define g_stack_free(stack) G_STMT_START { \ if ((GStack *)(stack)) { \ if ((GStack *)(stack)->list) \ g_list_free ((GStack *)(stack)->list); \ g_free (stack); \ } \ } G_STMT_END #define g_stack_push(stack) G_STMT_START { \ if ((GStack *)(stack)) \ (GStack *)(stack)->list = \ g_list_prepend ((GStack *)(stack)->list, data); \ } G_STMT_END #endif /* 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) void g_node_push_allocator (GAllocator *allocator); void g_node_pop_allocator (void); 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; #define G_HOOK_DEFERRED_DESTROY ((GHookFreeFunc) 0x01) struct _GHookList { guint seq_id; guint hook_size; guint is_setup : 1; GHook *hooks; GMemChunk *hook_memchunk; GHookFreeFunc hook_free; /* virtual function */ GHookFreeFunc hook_destroy; /* virtual function */ }; 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); /* return the first valid hook, and increment its reference count */ GHook* g_hook_first_valid (GHookList *hook_list, gboolean may_be_in_call); /* return the next valid hook with incremented reference count, and * decrement the reference count of the original hook */ GHook* g_hook_next_valid (GHookList *hook_list, 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); void g_hook_list_marshal_check (GHookList *hook_list, gboolean may_recurse, GHookCheckMarshaller 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 ((gchar*) 0) #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 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 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 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); /* Generic allocators */ GAllocator* g_allocator_new (const gchar *name, guint n_preallocs); void g_allocator_free (GAllocator *allocator); #define G_ALLOCATOR_LIST (1) #define G_ALLOCATOR_SLIST (2) #define G_ALLOCATOR_NODE (3) /* "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 that modify a string argument or * return a constant string that must not be freed. */ #define G_STR_DELIMITERS "_-|> <." gchar* g_strdelimit (gchar *string, const gchar *delimiters, gchar new_delimiter); 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); gint g_strncasecmp (const gchar *s1, const gchar *s2, guint n); void g_strdown (gchar *string); void g_strup (gchar *string); void g_strreverse (gchar *string); /* removes leading spaces */ gchar* g_strchug (gchar *string); /* removes trailing spaces */ gchar* g_strchomp (gchar *string); /* removes leading & trailing spaces */ #define g_strstrip( string ) g_strchomp (g_strchug (string)) /* String utility functions that return a newly allocated string which * ought to be freed from the caller at some point. */ 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 */ gchar* g_strjoin (const gchar *separator, ...); /* NULL terminated */ gchar* g_strescape (gchar *string); gpointer g_memdup (gconstpointer mem, guint byte_size); /* NULL terminated string arrays. * g_strsplit() splits up string into max_tokens tokens at delim and * returns a newly allocated string array. * g_strjoinv() concatenates all of str_array's strings, sliding in an * optional separator, the returned string is newly allocated. * g_strfreev() frees the array itself and all of its strings. */ gchar** g_strsplit (const gchar *string, const gchar *delimiter, gint max_tokens); gchar* g_strjoinv (const gchar *separator, gchar **str_array); void g_strfreev (gchar **str_array); /* 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); /* Check if a file name is an absolute path */ gboolean g_path_is_absolute (const gchar *file_name); /* In case of absolute paths, skip the root part */ gchar* g_path_skip_root (gchar *file_name); /* strings are newly allocated with g_malloc() */ gchar* g_dirname (const gchar *file_name); gchar* g_get_current_dir (void); gchar* g_getenv (const gchar *variable); /* 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 = 32; 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, remove fills any cleared spot and shortens the * array, while preserving the order. remove_fast will distort the * order by moving the last element to the position of the removed */ #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_insert_val(a,i,v) g_array_insert_vals(a,i,&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_insert_vals (GArray *array, guint index, gconstpointer data, guint len); GArray* g_array_set_size (GArray *array, guint length); GArray* g_array_remove_index (GArray *array, guint index); GArray* g_array_remove_index_fast (GArray *array, guint index); /* 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. remove_fast will again distort * order. */ #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, guint index); gpointer g_ptr_array_remove_index_fast (GPtrArray *array, guint index); gboolean g_ptr_array_remove (GPtrArray *array, gpointer data); gboolean g_ptr_array_remove_fast (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); GByteArray* g_byte_array_remove_index (GByteArray *array, guint index); GByteArray* g_byte_array_remove_index_fast (GByteArray *array, guint index); /* 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_sync_file_offset (GScanner *scanner); 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 user_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 /* GCompletion */ 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); /* GDate * * Date calculations (not time for now, to be resolved). These are a * mutant combination of Steffen Beyer's DateCalc routines * (http://www.perl.com/CPAN/authors/id/STBEY/) and Jon Trowbridge's * date routines (written for in-house software). Written by Havoc * Pennington */ typedef guint16 GDateYear; typedef guint8 GDateDay; /* day of the month */ typedef struct _GDate GDate; /* make struct tm known without having to include time.h */ struct tm; /* enum used to specify order of appearance in parsed date strings */ typedef enum { G_DATE_DAY = 0, G_DATE_MONTH = 1, G_DATE_YEAR = 2 } GDateDMY; /* actual week and month values */ typedef enum { G_DATE_BAD_WEEKDAY = 0, G_DATE_MONDAY = 1, G_DATE_TUESDAY = 2, G_DATE_WEDNESDAY = 3, G_DATE_THURSDAY = 4, G_DATE_FRIDAY = 5, G_DATE_SATURDAY = 6, G_DATE_SUNDAY = 7 } GDateWeekday; typedef enum { G_DATE_BAD_MONTH = 0, G_DATE_JANUARY = 1, G_DATE_FEBRUARY = 2, G_DATE_MARCH = 3, G_DATE_APRIL = 4, G_DATE_MAY = 5, G_DATE_JUNE = 6, G_DATE_JULY = 7, G_DATE_AUGUST = 8, G_DATE_SEPTEMBER = 9, G_DATE_OCTOBER = 10, G_DATE_NOVEMBER = 11, G_DATE_DECEMBER = 12 } GDateMonth; #define G_DATE_BAD_JULIAN 0U #define G_DATE_BAD_DAY 0U #define G_DATE_BAD_YEAR 0U /* Note: directly manipulating structs is generally a bad idea, but * in this case it's an *incredibly* bad idea, because all or part * of this struct can be invalid at any given time. Use the functions, * or you will get hosed, I promise. */ struct _GDate { guint julian_days : 32; /* julian days representation - we use a * bitfield hoping that 64 bit platforms * will pack this whole struct in one big * int */ guint julian : 1; /* julian is valid */ guint dmy : 1; /* dmy is valid */ /* DMY representation */ guint day : 6; guint month : 4; guint year : 16; }; /* g_date_new() returns an invalid date, you then have to _set() stuff * to get a usable object. You can also allocate a GDate statically, * then call g_date_clear() to initialize. */ GDate* g_date_new (void); GDate* g_date_new_dmy (GDateDay day, GDateMonth month, GDateYear year); GDate* g_date_new_julian (guint32 julian_day); void g_date_free (GDate *date); /* check g_date_valid() after doing an operation that might fail, like * _parse. Almost all g_date operations are undefined on invalid * dates (the exceptions are the mutators, since you need those to * return to validity). */ gboolean g_date_valid (GDate *date); gboolean g_date_valid_day (GDateDay day); gboolean g_date_valid_month (GDateMonth month); gboolean g_date_valid_year (GDateYear year); gboolean g_date_valid_weekday (GDateWeekday weekday); gboolean g_date_valid_julian (guint32 julian_date); gboolean g_date_valid_dmy (GDateDay day, GDateMonth month, GDateYear year); GDateWeekday g_date_weekday (GDate *date); GDateMonth g_date_month (GDate *date); GDateYear g_date_year (GDate *date); GDateDay g_date_day (GDate *date); guint32 g_date_julian (GDate *date); guint g_date_day_of_year (GDate *date); /* First monday/sunday is the start of week 1; if we haven't reached * that day, return 0. These are not ISO weeks of the year; that * routine needs to be added. * these functions return the number of weeks, starting on the * corrsponding day */ guint g_date_monday_week_of_year (GDate *date); guint g_date_sunday_week_of_year (GDate *date); /* If you create a static date struct you need to clear it to get it * in a sane state before use. You can clear a whole array at * once with the ndates argument. */ void g_date_clear (GDate *date, guint n_dates); /* The parse routine is meant for dates typed in by a user, so it * permits many formats but tries to catch common typos. If your data * needs to be strictly validated, it is not an appropriate function. */ void g_date_set_parse (GDate *date, const gchar *str); void g_date_set_time (GDate *date, GTime time); void g_date_set_month (GDate *date, GDateMonth month); void g_date_set_day (GDate *date, GDateDay day); void g_date_set_year (GDate *date, GDateYear year); void g_date_set_dmy (GDate *date, GDateDay day, GDateMonth month, GDateYear y); void g_date_set_julian (GDate *date, guint32 julian_date); gboolean g_date_is_first_of_month (GDate *date); gboolean g_date_is_last_of_month (GDate *date); /* To go forward by some number of weeks just go forward weeks*7 days */ void g_date_add_days (GDate *date, guint n_days); void g_date_subtract_days (GDate *date, guint n_days); /* If you add/sub months while day > 28, the day might change */ void g_date_add_months (GDate *date, guint n_months); void g_date_subtract_months (GDate *date, guint n_months); /* If it's feb 29, changing years can move you to the 28th */ void g_date_add_years (GDate *date, guint n_years); void g_date_subtract_years (GDate *date, guint n_years); gboolean g_date_is_leap_year (GDateYear year); guint8 g_date_days_in_month (GDateMonth month, GDateYear year); guint8 g_date_monday_weeks_in_year (GDateYear year); guint8 g_date_sunday_weeks_in_year (GDateYear year); /* qsort-friendly (with a cast...) */ gint g_date_compare (GDate *lhs, GDate *rhs); void g_date_to_struct_tm (GDate *date, struct tm *tm); /* Just like strftime() except you can only use date-related formats. * Using a time format is undefined. */ gsize g_date_strftime (gchar *s, gsize slen, const gchar *format, GDate *date); /* 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); /* GIOChannel */ typedef struct _GIOFuncs GIOFuncs; typedef enum { G_IO_ERROR_NONE, G_IO_ERROR_AGAIN, G_IO_ERROR_INVAL, G_IO_ERROR_UNKNOWN } GIOError; typedef enum { G_SEEK_CUR, G_SEEK_SET, G_SEEK_END } GSeekType; typedef enum { G_IO_IN GLIB_SYSDEF_POLLIN, G_IO_OUT GLIB_SYSDEF_POLLOUT, G_IO_PRI GLIB_SYSDEF_POLLPRI, G_IO_ERR GLIB_SYSDEF_POLLERR, G_IO_HUP GLIB_SYSDEF_POLLHUP, G_IO_NVAL GLIB_SYSDEF_POLLNVAL } GIOCondition; struct _GIOChannel { guint channel_flags; guint ref_count; GIOFuncs *funcs; }; typedef gboolean (*GIOFunc) (GIOChannel *source, GIOCondition condition, gpointer data); struct _GIOFuncs { GIOError (*io_read) (GIOChannel *channel, gchar *buf, guint count, guint *bytes_read); GIOError (*io_write) (GIOChannel *channel, gchar *buf, guint count, guint *bytes_written); GIOError (*io_seek) (GIOChannel *channel, gint offset, GSeekType type); void (*io_close) (GIOChannel *channel); guint (*io_add_watch) (GIOChannel *channel, gint priority, GIOCondition condition, GIOFunc func, gpointer user_data, GDestroyNotify notify); void (*io_free) (GIOChannel *channel); }; void g_io_channel_init (GIOChannel *channel); void g_io_channel_ref (GIOChannel *channel); void g_io_channel_unref (GIOChannel *channel); GIOError g_io_channel_read (GIOChannel *channel, gchar *buf, guint count, guint *bytes_read); GIOError g_io_channel_write (GIOChannel *channel, gchar *buf, guint count, guint *bytes_written); GIOError g_io_channel_seek (GIOChannel *channel, gint offset, GSeekType type); void g_io_channel_close (GIOChannel *channel); guint g_io_add_watch_full (GIOChannel *channel, gint priority, GIOCondition condition, GIOFunc func, gpointer user_data, GDestroyNotify notify); guint g_io_add_watch (GIOChannel *channel, GIOCondition condition, GIOFunc func, gpointer user_data); /* Main loop */ typedef struct _GTimeVal GTimeVal; typedef struct _GSourceFuncs GSourceFuncs; typedef struct _GMainLoop GMainLoop; /* Opaque */ struct _GTimeVal { glong tv_sec; glong tv_usec; }; struct _GSourceFuncs { gboolean (*prepare) (gpointer source_data, GTimeVal *current_time, gint *timeout); gboolean (*check) (gpointer source_data, GTimeVal *current_time); gboolean (*dispatch) (gpointer source_data, GTimeVal *current_time, gpointer user_data); GDestroyNotify destroy; }; /* Standard priorities */ #define G_PRIORITY_HIGH -100 #define G_PRIORITY_DEFAULT 0 #define G_PRIORITY_HIGH_IDLE 100 #define G_PRIORITY_DEFAULT_IDLE 200 #define G_PRIORITY_LOW 300 typedef gboolean (*GSourceFunc) (gpointer data); /* Hooks for adding to the main loop */ guint g_source_add (gint priority, gboolean can_recurse, GSourceFuncs *funcs, gpointer source_data, gpointer user_data, GDestroyNotify notify); gboolean g_source_remove (guint tag); gboolean g_source_remove_by_user_data (gpointer user_data); gboolean g_source_remove_by_source_data (gpointer source_data); gboolean g_source_remove_by_funcs_user_data (GSourceFuncs *funcs, gpointer user_data); void g_get_current_time (GTimeVal *result); /* Running the main loop */ GMainLoop* g_main_new (gboolean is_running); void g_main_run (GMainLoop *loop); void g_main_quit (GMainLoop *loop); void g_main_destroy (GMainLoop *loop); gboolean g_main_is_running (GMainLoop *loop); /* Run a single iteration of the mainloop. If block is FALSE, * will never block */ gboolean g_main_iteration (gboolean may_block); /* See if any events are pending */ gboolean g_main_pending (void); /* Idles and timeouts */ guint g_timeout_add_full (gint priority, guint interval, GSourceFunc function, gpointer data, GDestroyNotify notify); guint g_timeout_add (guint interval, GSourceFunc function, gpointer data); guint g_idle_add (GSourceFunc function, gpointer data); guint g_idle_add_full (gint priority, GSourceFunc function, gpointer data, GDestroyNotify destroy); gboolean g_idle_remove_by_data (gpointer data); /* GPollFD * * System-specific IO and main loop calls * * On Win32, the fd in a GPollFD should be Win32 HANDLE (*not* a file * descriptor as provided by the C runtime) that can be used by * MsgWaitForMultipleObjects. This does *not* include file handles * from CreateFile, SOCKETs, nor pipe handles. (But you can use * WSAEventSelect to signal events when a SOCKET is readable). * * On Win32, fd can also be the special value G_WIN32_MSG_HANDLE to * indicate polling for messages. These message queue GPollFDs should * be added with the g_main_poll_win32_msg_add function. * * But note that G_WIN32_MSG_HANDLE GPollFDs should not be used by GDK * (GTK) programs, as GDK itself wants to read messages and convert them * to GDK events. * * So, unless you really know what you are doing, it's best not to try * to use the main loop polling stuff for your own needs on * Win32. It's really only written for the GIMP's needs so * far. */ typedef struct _GPollFD GPollFD; typedef gint (*GPollFunc) (GPollFD *ufds, guint nfsd, gint timeout); struct _GPollFD { gint fd; gushort events; gushort revents; }; void g_main_add_poll (GPollFD *fd, gint priority); void g_main_remove_poll (GPollFD *fd); void g_main_set_poll_func (GPollFunc func); /* On Unix, IO channels created with this function for any file * descriptor or socket. * * On Win32, use this only for plain files opened with the MSVCRT (the * Microsoft run-time C library) _open(), including file descriptors * 0, 1 and 2 (corresponding to stdin, stdout and stderr). * Actually, don't do even that, this code isn't done yet. * * The term file descriptor as used in the context of Win32 refers to * the emulated Unix-like file descriptors MSVCRT provides. */ GIOChannel* g_io_channel_unix_new (int fd); gint g_io_channel_unix_get_fd (GIOChannel *channel); #ifdef NATIVE_WIN32 GUTILS_C_VAR guint g_pipe_readable_msg; #define G_WIN32_MSG_HANDLE 19981206 /* This is used to add polling for Windows messages. GDK (GTk+) programs * should *not* use this. (In fact, I can't think of any program that * would want to use this, but it's here just for completeness's sake. */ void g_main_poll_win32_msg_add(gint priority, GPollFD *fd, guint hwnd); /* An IO channel for Windows messages for window handle hwnd. */ GIOChannel *g_io_channel_win32_new_messages (guint hwnd); /* An IO channel for an anonymous pipe as returned from the MSVCRT * _pipe(), with no mechanism for the writer to tell the reader when * there is data in the pipe. * * This is not really implemented yet. */ GIOChannel *g_io_channel_win32_new_pipe (int fd); /* An IO channel for a pipe as returned from the MSVCRT _pipe(), with * Windows user messages used to signal data in the pipe for the * reader. * * fd is the file descriptor. For the write end, peer is the thread id * of the reader, and peer_fd is his file descriptor for the read end * of the pipe. * * This is used by the GIMP, and works. */ GIOChannel *g_io_channel_win32_new_pipe_with_wakeups (int fd, guint peer, int peer_fd); void g_io_channel_win32_pipe_request_wakeups (GIOChannel *channel, guint peer, int peer_fd); void g_io_channel_win32_pipe_readable (int fd, guint offset); /* Get the C runtime file descriptor of a channel. */ gint g_io_channel_win32_get_fd (GIOChannel *channel); /* An IO channel for a SOCK_STREAM winsock socket. The parameter is * actually a SOCKET. */ GIOChannel *g_io_channel_win32_new_stream_socket (int socket); #endif /* Windows emulation stubs for common Unix functions */ #ifdef NATIVE_WIN32 # define MAXPATHLEN 1024 # ifdef _MSC_VER typedef int pid_t; /* These POSIXish functions are available in the Microsoft C library * prefixed with underscore (which of course technically speaking is * the Right Thing, as they are non-ANSI. Not that being non-ANSI * prevents Microsoft from practically requiring you to include * every now and then...). * * You still need to include the appropriate headers to get the * prototypes, or . * * For some functions, we provide emulators in glib, which are prefixed * with gwin_. */ # define getcwd _getcwd # define getpid _getpid # define access _access # define open _open # define read _read # define write _write # define lseek _lseek # define close _close # define pipe(phandles) _pipe (phandles, 4096, _O_BINARY) # define popen _popen # define pclose _pclose # define fdopen _fdopen # define ftruncate(fd, size) gwin_ftruncate (fd, size) # define opendir gwin_opendir # define readdir gwin_readdir # define rewinddir gwin_rewinddir # define closedir gwin_closedir # define NAME_MAX 255 struct DIR { gchar *dir_name; gboolean just_opened; guint find_file_handle; gpointer find_file_data; }; typedef struct DIR DIR; struct dirent { gchar d_name[NAME_MAX + 1]; }; /* emulation functions */ extern int gwin_ftruncate (gint f, guint size); DIR* gwin_opendir (const gchar *dirname); struct dirent* gwin_readdir (DIR *dir); void gwin_rewinddir (DIR *dir); gint gwin_closedir (DIR *dir); # endif /* _MSC_VER */ #endif /* NATIVE_WIN32 */ /* GLib Thread support */ typedef struct _GMutex GMutex; typedef struct _GCond GCond; typedef struct _GPrivate GPrivate; typedef struct _GStaticPrivate GStaticPrivate; typedef struct _GThreadFunctions GThreadFunctions; struct _GThreadFunctions { GMutex* (*mutex_new) (void); void (*mutex_lock) (GMutex *mutex); gboolean (*mutex_trylock) (GMutex *mutex); void (*mutex_unlock) (GMutex *mutex); void (*mutex_free) (GMutex *mutex); GCond* (*cond_new) (void); void (*cond_signal) (GCond *cond); void (*cond_broadcast) (GCond *cond); void (*cond_wait) (GCond *cond, GMutex *mutex); gboolean (*cond_timed_wait) (GCond *cond, GMutex *mutex, GTimeVal *end_time); void (*cond_free) (GCond *cond); GPrivate* (*private_new) (GDestroyNotify destructor); gpointer (*private_get) (GPrivate *private_key); void (*private_set) (GPrivate *private_key, gpointer data); }; GUTILS_C_VAR GThreadFunctions g_thread_functions_for_glib_use; GUTILS_C_VAR gboolean g_thread_use_default_impl; GUTILS_C_VAR gboolean g_threads_got_initialized; /* initializes the mutex/cond/private implementation for glib, might * only be called once, and must not be called directly or indirectly * from another glib-function, e.g. as a callback. */ void g_thread_init (GThreadFunctions *vtable); /* internal function for fallback static mutex implementation */ GMutex* g_static_mutex_get_mutex_impl (GMutex **mutex); /* shorthands for conditional and unconditional function calls */ #define G_THREAD_UF(name, arglist) \ (*g_thread_functions_for_glib_use . name) arglist #define G_THREAD_CF(name, fail, arg) \ (g_thread_supported () ? G_THREAD_UF (name, arg) : (fail)) /* keep in mind, all those mutexes and static mutexes are not * recursive in general, don't rely on that */ #define g_thread_supported() (g_threads_got_initialized) #define g_mutex_new() G_THREAD_UF (mutex_new, ()) #define g_mutex_lock(mutex) G_THREAD_CF (mutex_lock, (void)0, (mutex)) #define g_mutex_trylock(mutex) G_THREAD_CF (mutex_trylock, TRUE, (mutex)) #define g_mutex_unlock(mutex) G_THREAD_CF (mutex_unlock, (void)0, (mutex)) #define g_mutex_free(mutex) G_THREAD_CF (mutex_free, (void)0, (mutex)) #define g_cond_new() G_THREAD_UF (cond_new, ()) #define g_cond_signal(cond) G_THREAD_CF (cond_signal, (void)0, (cond)) #define g_cond_broadcast(cond) G_THREAD_CF (cond_broadcast, (void)0, (cond)) #define g_cond_wait(cond, mutex) G_THREAD_CF (cond_wait, (void)0, (cond, \ mutex)) #define g_cond_free(cond) G_THREAD_CF (cond_free, (void)0, (cond)) #define g_cond_timed_wait(cond, mutex, abs_time) G_THREAD_CF (cond_timed_wait, \ TRUE, \ (cond, mutex, \ abs_time)) #define g_private_new(destructor) G_THREAD_UF (private_new, (destructor)) #define g_private_get(private_key) G_THREAD_CF (private_get, \ ((gpointer)private_key), \ (private_key)) #define g_private_set(private_key, value) G_THREAD_CF (private_set, \ (void) (private_key = \ (GPrivate*) (value)), \ (private_key, value)) /* GStaticMutexes can be statically initialized with the value * G_STATIC_MUTEX_INIT, and then they can directly be used, that is * much easier, than having to explicitly allocate the mutex before * use */ #define g_static_mutex_lock(mutex) \ g_mutex_lock (g_static_mutex_get_mutex (mutex)) #define g_static_mutex_trylock(mutex) \ g_mutex_trylock (g_static_mutex_get_mutex (mutex)) #define g_static_mutex_unlock(mutex) \ g_mutex_unlock (g_static_mutex_get_mutex (mutex)) struct _GStaticPrivate { guint index; }; #define G_STATIC_PRIVATE_INIT { 0 } gpointer g_static_private_get (GStaticPrivate *private_key); void g_static_private_set (GStaticPrivate *private_key, gpointer data, GDestroyNotify notify); /* these are some convenience macros that expand to nothing if GLib was * configured with --deisable-threads. for using StaticMutexes, you * declare them with G_LOCK_DECLARE_STATIC (name) or G_LOCK_DECLARE (name) * if you need to export the mutex. name is a unique identifier for the * protected varibale or code portion. locking, testing and unlocking of * such mutexes can be done with G_LOCK(), G_UNLOCK() and G_TRYLOCK() * respectively. */ extern void glib_dummy_decl (void); #define G_LOCK_NAME(name) (g__ ## name ## _lock) #ifdef G_THREADS_ENABLED # define G_LOCK_DECLARE_STATIC(name) static G_LOCK_DECLARE (name) # define G_LOCK_DECLARE(name) \ GStaticMutex G_LOCK_NAME (name) = G_STATIC_MUTEX_INIT # ifdef G_DEBUG_LOCKS # define G_LOCK(name) G_STMT_START{ \ g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ "file %s: line %d (%s): locking: %s ", \ __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \ #name); \ g_static_mutex_lock (G_LOCK_NAME (name)); \ }G_STMT_END # define G_UNLOCK(name) G_STMT_START{ \ g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ "file %s: line %d (%s): unlocking: %s ", \ __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \ #name); \ g_static_mutex_unlock (G_LOCK_NAME (name)); \ }G_STMT_END # define G_TRYLOCK(name) G_STMT_START{ \ g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ "file %s: line %d (%s): try locking: %s ", \ __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \ #name); \ }G_STMT_END, g_static_mutex_trylock (G_LOCK_NAME (name)) # else /* !G_DEBUG_LOCKS */ # define G_LOCK(name) g_static_mutex_lock (G_LOCK_NAME (name)) # define G_UNLOCK(name) g_static_mutex_unlock (G_LOCK_NAME (name)) # define G_TRYLOCK(name) g_static_mutex_trylock (G_LOCK_NAME (name)) # endif /* !G_DEBUG_LOCKS */ #else /* !G_THREADS_ENABLED */ # define G_LOCK_DECLARE_STATIC(name) extern void glib_dummy_decl (void) # define G_LOCK_DECLARE(name) extern void glib_dummy_decl (void) # define G_LOCK(name) # define G_UNLOCK(name) # define G_TRYLOCK(name) (FALSE) #endif /* !G_THREADS_ENABLED */ #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __G_LIB_H__ */