1 /* GLIB - Library of useful routines for C programming
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GLib Team and others 1997-1999. See the AUTHORS
22 * file for a list of people on the GLib Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GLib at ftp://ftp.gtk.org/pub/gtk/.
30 /* system specific config file glibconfig.h provides definitions for
31 * the extrema of many of the standard types. These are:
33 * G_MINSHORT, G_MAXSHORT
35 * G_MINLONG, G_MAXLONG
36 * G_MINFLOAT, G_MAXFLOAT
37 * G_MINDOUBLE, G_MAXDOUBLE
39 * It also provides the following typedefs:
46 * It defines the G_BYTE_ORDER symbol to one of G_*_ENDIAN (see later in
49 * And it provides a way to store and retrieve a `gint' in/from a `gpointer'.
50 * This is useful to pass an integer instead of a pointer to a callback.
52 * GINT_TO_POINTER(i), GUINT_TO_POINTER(i)
53 * GPOINTER_TO_INT(p), GPOINTER_TO_UINT(p)
55 * Finally, it provide the following wrappers to STDC functions:
58 * To register hooks which are executed on exit().
59 * Usually a wrapper for STDC atexit.
61 * void *g_memmove(void *dest, const void *src, guint count);
62 * A wrapper for STDC memmove, or an implementation, if memmove doesn't
63 * exist. The prototype looks like the above, give or take a const,
66 #include <glibconfig.h>
68 /* include varargs functions for assertment macros
72 /* optionally feature DMALLOC memory allocation debugger
81 /* On native Win32, directory separator is the backslash, and search path
82 * separator is the semicolon.
84 #define G_DIR_SEPARATOR '\\'
85 #define G_DIR_SEPARATOR_S "\\"
86 #define G_SEARCHPATH_SEPARATOR ';'
87 #define G_SEARCHPATH_SEPARATOR_S ";"
89 #else /* !NATIVE_WIN32 */
93 #define G_DIR_SEPARATOR '/'
94 #define G_DIR_SEPARATOR_S "/"
95 #define G_SEARCHPATH_SEPARATOR ':'
96 #define G_SEARCHPATH_SEPARATOR_S ":"
98 #endif /* !NATIVE_WIN32 */
102 #endif /* __cplusplus */
105 /* Provide definitions for some commonly used macros.
106 * Some of them are only provided if they haven't already
107 * been defined. It is assumed that if they are already
108 * defined then the current definition is correct.
111 #define NULL ((void*) 0)
119 #define TRUE (!FALSE)
123 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
126 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
129 #define ABS(a) (((a) < 0) ? -(a) : (a))
132 #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
135 /* Define G_VA_COPY() to do the right thing for copying va_list variables.
136 * glibconfig.h may have already defined G_VA_COPY as va_copy or __va_copy.
138 #if !defined (G_VA_COPY)
139 # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
140 # define G_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
141 # elif defined (G_VA_COPY_AS_ARRAY)
142 # define G_VA_COPY(ap1, ap2) g_memmove ((ap1), (ap2), sizeof (va_list))
143 # else /* va_list is a pointer */
144 # define G_VA_COPY(ap1, ap2) ((ap1) = (ap2))
145 # endif /* va_list is a pointer */
146 #endif /* !G_VA_COPY */
149 /* Provide convenience macros for handling structure
150 * fields through their offsets.
152 #define G_STRUCT_OFFSET(struct_type, member) \
153 ((gulong) ((gchar*) &((struct_type*) 0)->member))
154 #define G_STRUCT_MEMBER_P(struct_p, struct_offset) \
155 ((gpointer) ((gchar*) (struct_p) + (gulong) (struct_offset)))
156 #define G_STRUCT_MEMBER(member_type, struct_p, struct_offset) \
157 (*(member_type*) G_STRUCT_MEMBER_P ((struct_p), (struct_offset)))
160 /* inlining hassle. for compilers that don't allow the `inline' keyword,
161 * mostly because of strict ANSI C compliance or dumbness, we try to fall
162 * back to either `__inline__' or `__inline'.
163 * we define G_CAN_INLINE, if the compiler seems to be actually
164 * *capable* to do function inlining, in which case inline function bodys
165 * do make sense. we also define G_INLINE_FUNC to properly export the
166 * function prototypes if no inlining can be performed.
167 * we special case most of the stuff, so inline functions can have a normal
168 * implementation by defining G_INLINE_FUNC to extern and G_CAN_INLINE to 1.
170 #ifndef G_INLINE_FUNC
171 # define G_CAN_INLINE 1
174 # if defined (__GNUC__) && defined (__STRICT_ANSI__)
176 # define inline __inline__
178 #else /* !G_HAVE_INLINE */
180 # if defined (G_HAVE___INLINE__)
181 # define inline __inline__
182 # else /* !inline && !__inline__ */
183 # if defined (G_HAVE___INLINE)
184 # define inline __inline
185 # else /* !inline && !__inline__ && !__inline */
186 # define inline /* don't inline, then */
187 # ifndef G_INLINE_FUNC
193 #ifndef G_INLINE_FUNC
196 # define G_INLINE_FUNC extern inline
199 # define G_INLINE_FUNC extern
201 # else /* !__GNUC__ */
203 # define G_INLINE_FUNC static inline
205 # define G_INLINE_FUNC extern
207 # endif /* !__GNUC__ */
208 #endif /* !G_INLINE_FUNC */
211 /* Provide simple macro statement wrappers (adapted from Perl):
212 * G_STMT_START { statements; } G_STMT_END;
213 * can be used as a single statement, as in
214 * if (x) G_STMT_START { ... } G_STMT_END; else ...
216 * For gcc we will wrap the statements within `({' and `})' braces.
217 * For SunOS they will be wrapped within `if (1)' and `else (void) 0',
218 * and otherwise within `do' and `while (0)'.
220 #if !(defined (G_STMT_START) && defined (G_STMT_END))
221 # if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
222 # define G_STMT_START (void)(
223 # define G_STMT_END )
225 # if (defined (sun) || defined (__sun__))
226 # define G_STMT_START if (1)
227 # define G_STMT_END else (void)0
229 # define G_STMT_START do
230 # define G_STMT_END while (0)
236 /* Provide macros to feature the GCC function attribute.
238 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
239 #define G_GNUC_PRINTF( format_idx, arg_idx ) \
240 __attribute__((format (printf, format_idx, arg_idx)))
241 #define G_GNUC_SCANF( format_idx, arg_idx ) \
242 __attribute__((format (scanf, format_idx, arg_idx)))
243 #define G_GNUC_FORMAT( arg_idx ) \
244 __attribute__((format_arg (arg_idx)))
245 #define G_GNUC_NORETURN \
246 __attribute__((noreturn))
247 #define G_GNUC_CONST \
248 __attribute__((const))
249 #define G_GNUC_UNUSED \
250 __attribute__((unused))
251 #else /* !__GNUC__ */
252 #define G_GNUC_PRINTF( format_idx, arg_idx )
253 #define G_GNUC_SCANF( format_idx, arg_idx )
254 #define G_GNUC_FORMAT( arg_idx )
255 #define G_GNUC_NORETURN
257 #define G_GNUC_UNUSED
258 #endif /* !__GNUC__ */
261 /* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with
262 * macros, so we can refer to them as strings unconditionally.
265 #define G_GNUC_FUNCTION (__FUNCTION__)
266 #define G_GNUC_PRETTY_FUNCTION (__PRETTY_FUNCTION__)
267 #else /* !__GNUC__ */
268 #define G_GNUC_FUNCTION ("")
269 #define G_GNUC_PRETTY_FUNCTION ("")
270 #endif /* !__GNUC__ */
272 /* we try to provide a usefull equivalent for ATEXIT if it is
273 * not defined, but use is actually abandoned. people should
274 * use g_atexit() instead.
277 # define ATEXIT(proc) g_ATEXIT(proc)
279 # define G_NATIVE_ATEXIT
282 /* Hacker macro to place breakpoints for elected machines.
283 * Actual use is strongly deprecated of course ;)
285 #if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2
286 #define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END
287 #elif defined (__alpha__) && defined (__GNUC__) && __GNUC__ >= 2
288 #define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END
289 #else /* !__i386__ && !__alpha__ */
290 #define G_BREAKPOINT()
291 #endif /* __i386__ */
294 /* Provide macros for easily allocating memory. The macros
295 * will cast the allocated memory to the specified type
296 * in order to avoid compiler warnings. (Makes the code neater).
300 # define g_new(type, count) (ALLOC (type, count))
301 # define g_new0(type, count) (CALLOC (type, count))
302 # define g_renew(type, mem, count) (REALLOC (mem, type, count))
303 #else /* __DMALLOC_H__ */
304 # define g_new(type, count) \
305 ((type *) g_malloc ((unsigned) sizeof (type) * (count)))
306 # define g_new0(type, count) \
307 ((type *) g_malloc0 ((unsigned) sizeof (type) * (count)))
308 # define g_renew(type, mem, count) \
309 ((type *) g_realloc (mem, (unsigned) sizeof (type) * (count)))
310 #endif /* __DMALLOC_H__ */
312 #define g_mem_chunk_create(type, pre_alloc, alloc_type) ( \
313 g_mem_chunk_new (#type " mem chunks (" #pre_alloc ")", \
315 sizeof (type) * (pre_alloc), \
318 #define g_chunk_new(type, chunk) ( \
319 (type *) g_mem_chunk_alloc (chunk) \
321 #define g_chunk_new0(type, chunk) ( \
322 (type *) g_mem_chunk_alloc0 (chunk) \
324 #define g_chunk_free(mem, mem_chunk) G_STMT_START { \
325 g_mem_chunk_free ((mem_chunk), (mem)); \
329 #define g_string(x) #x
332 /* Provide macros for error handling. The "assert" macros will
333 * exit on failure. The "return" macros will exit the current
334 * function. Two different definitions are given for the macros
335 * if G_DISABLE_ASSERT is not defined, in order to support gcc's
336 * __PRETTY_FUNCTION__ capability.
339 #ifdef G_DISABLE_ASSERT
341 #define g_assert(expr)
342 #define g_assert_not_reached()
344 #else /* !G_DISABLE_ASSERT */
348 #define g_assert(expr) G_STMT_START{ \
350 g_log (G_LOG_DOMAIN, \
352 "file %s: line %d (%s): assertion failed: (%s)", \
355 __PRETTY_FUNCTION__, \
358 #define g_assert_not_reached() G_STMT_START{ \
359 g_log (G_LOG_DOMAIN, \
361 "file %s: line %d (%s): should not be reached", \
364 __PRETTY_FUNCTION__); }G_STMT_END
366 #else /* !__GNUC__ */
368 #define g_assert(expr) G_STMT_START{ \
370 g_log (G_LOG_DOMAIN, \
372 "file %s: line %d: assertion failed: (%s)", \
377 #define g_assert_not_reached() G_STMT_START{ \
378 g_log (G_LOG_DOMAIN, \
380 "file %s: line %d: should not be reached", \
382 __LINE__); }G_STMT_END
384 #endif /* __GNUC__ */
386 #endif /* !G_DISABLE_ASSERT */
389 #ifdef G_DISABLE_CHECKS
391 #define g_return_if_fail(expr)
392 #define g_return_val_if_fail(expr,val)
394 #else /* !G_DISABLE_CHECKS */
398 #define g_return_if_fail(expr) G_STMT_START{ \
401 g_log (G_LOG_DOMAIN, \
402 G_LOG_LEVEL_CRITICAL, \
403 "file %s: line %d (%s): assertion `%s' failed.", \
406 __PRETTY_FUNCTION__, \
411 #define g_return_val_if_fail(expr,val) G_STMT_START{ \
414 g_log (G_LOG_DOMAIN, \
415 G_LOG_LEVEL_CRITICAL, \
416 "file %s: line %d (%s): assertion `%s' failed.", \
419 __PRETTY_FUNCTION__, \
424 #else /* !__GNUC__ */
426 #define g_return_if_fail(expr) G_STMT_START{ \
429 g_log (G_LOG_DOMAIN, \
430 G_LOG_LEVEL_CRITICAL, \
431 "file %s: line %d: assertion `%s' failed.", \
438 #define g_return_val_if_fail(expr, val) G_STMT_START{ \
441 g_log (G_LOG_DOMAIN, \
442 G_LOG_LEVEL_CRITICAL, \
443 "file %s: line %d: assertion `%s' failed.", \
450 #endif /* !__GNUC__ */
452 #endif /* !G_DISABLE_CHECKS */
455 /* Provide type definitions for commonly used types.
456 * These are useful because a "gint8" can be adjusted
457 * to be 1 byte (8 bits) on all platforms. Similarly and
458 * more importantly, "gint32" can be adjusted to be
459 * 4 bytes (32 bits) on all platforms.
463 typedef short gshort;
466 typedef gint gboolean;
468 typedef unsigned char guchar;
469 typedef unsigned short gushort;
470 typedef unsigned long gulong;
471 typedef unsigned int guint;
473 typedef float gfloat;
474 typedef double gdouble;
476 /* HAVE_LONG_DOUBLE doesn't work correctly on all platforms.
477 * Since gldouble isn't used anywhere, just disable it for now */
480 #ifdef HAVE_LONG_DOUBLE
481 typedef long double gldouble;
482 #else /* HAVE_LONG_DOUBLE */
483 typedef double gldouble;
484 #endif /* HAVE_LONG_DOUBLE */
487 typedef void* gpointer;
488 typedef const void *gconstpointer;
491 typedef gint32 gssize;
492 typedef guint32 gsize;
493 typedef guint32 GQuark;
494 typedef gint32 GTime;
497 /* Portable endian checks and conversions
499 * glibconfig.h defines G_BYTE_ORDER which expands to one of
502 #define G_LITTLE_ENDIAN 1234
503 #define G_BIG_ENDIAN 4321
504 #define G_PDP_ENDIAN 3412 /* unused, need specific PDP check */
507 /* Basic bit swapping functions
509 #define GUINT16_SWAP_LE_BE_CONSTANT(val) ((guint16) ( \
510 (((guint16) (val) & (guint16) 0x00ffU) << 8) | \
511 (((guint16) (val) & (guint16) 0xff00U) >> 8)))
512 #define GUINT32_SWAP_LE_BE_CONSTANT(val) ((guint32) ( \
513 (((guint32) (val) & (guint32) 0x000000ffU) << 24) | \
514 (((guint32) (val) & (guint32) 0x0000ff00U) << 8) | \
515 (((guint32) (val) & (guint32) 0x00ff0000U) >> 8) | \
516 (((guint32) (val) & (guint32) 0xff000000U) >> 24)))
518 /* Intel specific stuff for speed
520 #if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2
521 # define GUINT16_SWAP_LE_BE_X86(val) \
523 ({ register guint16 __v; \
524 if (__builtin_constant_p (val)) \
525 __v = GUINT16_SWAP_LE_BE_CONSTANT (val); \
527 __asm__ __const__ ("rorw $8, %w0" \
529 : "0" ((guint16) (val))); \
531 # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_X86 (val))
532 # if !defined(__i486__) && !defined(__i586__) \
533 && !defined(__pentium__) && !defined(__i686__) && !defined(__pentiumpro__)
534 # define GUINT32_SWAP_LE_BE_X86(val) \
536 ({ register guint32 __v; \
537 if (__builtin_constant_p (val)) \
538 __v = GUINT32_SWAP_LE_BE_CONSTANT (val); \
540 __asm__ __const__ ("rorw $8, %w0\n\t" \
544 : "0" ((guint32) (val))); \
546 # else /* 486 and higher has bswap */
547 # define GUINT32_SWAP_LE_BE_X86(val) \
549 ({ register guint32 __v; \
550 if (__builtin_constant_p (val)) \
551 __v = GUINT32_SWAP_LE_BE_CONSTANT (val); \
553 __asm__ __const__ ("bswap %0" \
555 : "0" ((guint32) (val))); \
557 # endif /* processor specific 32-bit stuff */
558 # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86 (val))
559 #else /* !__i386__ */
560 # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val))
561 # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val))
562 #endif /* __i386__ */
565 # define GUINT64_SWAP_LE_BE_CONSTANT(val) ((guint64) ( \
566 (((guint64) (val) & \
567 (guint64) G_GINT64_CONSTANT(0x00000000000000ffU)) << 56) | \
568 (((guint64) (val) & \
569 (guint64) G_GINT64_CONSTANT(0x000000000000ff00U)) << 40) | \
570 (((guint64) (val) & \
571 (guint64) G_GINT64_CONSTANT(0x0000000000ff0000U)) << 24) | \
572 (((guint64) (val) & \
573 (guint64) G_GINT64_CONSTANT(0x00000000ff000000U)) << 8) | \
574 (((guint64) (val) & \
575 (guint64) G_GINT64_CONSTANT(0x000000ff00000000U)) >> 8) | \
576 (((guint64) (val) & \
577 (guint64) G_GINT64_CONSTANT(0x0000ff0000000000U)) >> 24) | \
578 (((guint64) (val) & \
579 (guint64) G_GINT64_CONSTANT(0x00ff000000000000U)) >> 40) | \
580 (((guint64) (val) & \
581 (guint64) G_GINT64_CONSTANT(0xff00000000000000U)) >> 56)))
582 # if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2
583 # define GUINT64_SWAP_LE_BE_X86(val) \
585 ({ union { guint64 __ll; \
586 guint32 __l[2]; } __r; \
587 if (__builtin_constant_p (val)) \
588 __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (val); \
591 union { guint64 __ll; \
592 guint32 __l[2]; } __w; \
593 __w.__ll = ((guint64) val); \
594 __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]); \
595 __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]); \
598 # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86 (val))
599 # else /* !__i386__ */
600 # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT(val))
604 #define GUINT16_SWAP_LE_PDP(val) ((guint16) (val))
605 #define GUINT16_SWAP_BE_PDP(val) (GUINT16_SWAP_LE_BE (val))
606 #define GUINT32_SWAP_LE_PDP(val) ((guint32) ( \
607 (((guint32) (val) & (guint32) 0x0000ffffU) << 16) | \
608 (((guint32) (val) & (guint32) 0xffff0000U) >> 16)))
609 #define GUINT32_SWAP_BE_PDP(val) ((guint32) ( \
610 (((guint32) (val) & (guint32) 0x00ff00ffU) << 8) | \
611 (((guint32) (val) & (guint32) 0xff00ff00U) >> 8)))
613 /* The G*_TO_?E() macros are defined in glibconfig.h.
614 * The transformation is symmetric, so the FROM just maps to the TO.
616 #define GINT16_FROM_LE(val) (GINT16_TO_LE (val))
617 #define GUINT16_FROM_LE(val) (GUINT16_TO_LE (val))
618 #define GINT16_FROM_BE(val) (GINT16_TO_BE (val))
619 #define GUINT16_FROM_BE(val) (GUINT16_TO_BE (val))
620 #define GINT32_FROM_LE(val) (GINT32_TO_LE (val))
621 #define GUINT32_FROM_LE(val) (GUINT32_TO_LE (val))
622 #define GINT32_FROM_BE(val) (GINT32_TO_BE (val))
623 #define GUINT32_FROM_BE(val) (GUINT32_TO_BE (val))
626 #define GINT64_FROM_LE(val) (GINT64_TO_LE (val))
627 #define GUINT64_FROM_LE(val) (GUINT64_TO_LE (val))
628 #define GINT64_FROM_BE(val) (GINT64_TO_BE (val))
629 #define GUINT64_FROM_BE(val) (GUINT64_TO_BE (val))
632 #define GLONG_FROM_LE(val) (GLONG_TO_LE (val))
633 #define GULONG_FROM_LE(val) (GULONG_TO_LE (val))
634 #define GLONG_FROM_BE(val) (GLONG_TO_BE (val))
635 #define GULONG_FROM_BE(val) (GULONG_TO_BE (val))
637 #define GINT_FROM_LE(val) (GINT_TO_LE (val))
638 #define GUINT_FROM_LE(val) (GUINT_TO_LE (val))
639 #define GINT_FROM_BE(val) (GINT_TO_BE (val))
640 #define GUINT_FROM_BE(val) (GUINT_TO_BE (val))
643 /* Portable versions of host-network order stuff
645 #define g_ntohl(val) (GUINT32_FROM_BE (val))
646 #define g_ntohs(val) (GUINT16_FROM_BE (val))
647 #define g_htonl(val) (GUINT32_TO_BE (val))
648 #define g_htons(val) (GUINT16_TO_BE (val))
652 * we prefix variable declarations so they can
653 * properly get exported in windows dlls.
656 # ifdef GLIB_COMPILATION
657 # define GUTILS_C_VAR __declspec(dllexport)
658 # else /* !GLIB_COMPILATION */
659 # define GUTILS_C_VAR extern __declspec(dllimport)
660 # endif /* !GLIB_COMPILATION */
661 #else /* !NATIVE_WIN32 */
662 # define GUTILS_C_VAR extern
663 #endif /* !NATIVE_WIN32 */
665 GUTILS_C_VAR const guint glib_major_version;
666 GUTILS_C_VAR const guint glib_minor_version;
667 GUTILS_C_VAR const guint glib_micro_version;
668 GUTILS_C_VAR const guint glib_interface_age;
669 GUTILS_C_VAR const guint glib_binary_age;
672 /* Forward declarations of glib types.
674 typedef struct _GAllocator GAllocator;
675 typedef struct _GArray GArray;
676 typedef struct _GByteArray GByteArray;
677 typedef struct _GCache GCache;
678 typedef struct _GCompletion GCompletion;
679 typedef struct _GData GData;
680 typedef struct _GDebugKey GDebugKey;
681 typedef struct _GHashTable GHashTable;
682 typedef struct _GHook GHook;
683 typedef struct _GHookList GHookList;
684 typedef struct _GList GList;
685 typedef struct _GMemChunk GMemChunk;
686 typedef struct _GNode GNode;
687 typedef struct _GPtrArray GPtrArray;
688 typedef struct _GQueue GQueue;
689 typedef struct _GRelation GRelation;
690 typedef struct _GScanner GScanner;
691 typedef struct _GScannerConfig GScannerConfig;
692 typedef struct _GSList GSList;
693 typedef struct _GStack GStack;
694 typedef struct _GString GString;
695 typedef struct _GStringChunk GStringChunk;
696 typedef struct _GTimer GTimer;
697 typedef struct _GTree GTree;
698 typedef struct _GTuples GTuples;
699 typedef union _GTokenValue GTokenValue;
700 typedef struct _GIOChannel GIOChannel;
704 G_TRAVERSE_LEAFS = 1 << 0,
705 G_TRAVERSE_NON_LEAFS = 1 << 1,
706 G_TRAVERSE_ALL = G_TRAVERSE_LEAFS | G_TRAVERSE_NON_LEAFS,
707 G_TRAVERSE_MASK = 0x03
718 /* Log level shift offset for user defined
719 * log levels (0-7 are used by GLib).
721 #define G_LOG_LEVEL_USER_SHIFT (8)
723 /* Glib log levels and flags.
728 G_LOG_FLAG_RECURSION = 1 << 0,
729 G_LOG_FLAG_FATAL = 1 << 1,
731 /* GLib log levels */
732 G_LOG_LEVEL_ERROR = 1 << 2, /* always fatal */
733 G_LOG_LEVEL_CRITICAL = 1 << 3,
734 G_LOG_LEVEL_WARNING = 1 << 4,
735 G_LOG_LEVEL_MESSAGE = 1 << 5,
736 G_LOG_LEVEL_INFO = 1 << 6,
737 G_LOG_LEVEL_DEBUG = 1 << 7,
739 G_LOG_LEVEL_MASK = ~(G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL)
742 /* GLib log levels that are considered fatal by default */
743 #define G_LOG_FATAL_MASK (G_LOG_FLAG_RECURSION | G_LOG_LEVEL_ERROR)
746 typedef gpointer (*GCacheNewFunc) (gpointer key);
747 typedef gpointer (*GCacheDupFunc) (gpointer value);
748 typedef void (*GCacheDestroyFunc) (gpointer value);
749 typedef gint (*GCompareFunc) (gconstpointer a,
751 typedef gchar* (*GCompletionFunc) (gpointer);
752 typedef void (*GDestroyNotify) (gpointer data);
753 typedef void (*GDataForeachFunc) (GQuark key_id,
756 typedef void (*GFunc) (gpointer data,
758 typedef guint (*GHashFunc) (gconstpointer key);
759 typedef void (*GFreeFunc) (gpointer data);
760 typedef void (*GHFunc) (gpointer key,
763 typedef gboolean (*GHRFunc) (gpointer key,
766 typedef gint (*GHookCompareFunc) (GHook *new_hook,
768 typedef gboolean (*GHookFindFunc) (GHook *hook,
770 typedef void (*GHookMarshaller) (GHook *hook,
772 typedef gboolean (*GHookCheckMarshaller) (GHook *hook,
774 typedef void (*GHookFunc) (gpointer data);
775 typedef gboolean (*GHookCheckFunc) (gpointer data);
776 typedef void (*GHookFreeFunc) (GHookList *hook_list,
778 typedef void (*GLogFunc) (const gchar *log_domain,
779 GLogLevelFlags log_level,
780 const gchar *message,
782 typedef gboolean (*GNodeTraverseFunc) (GNode *node,
784 typedef void (*GNodeForeachFunc) (GNode *node,
786 typedef gint (*GSearchFunc) (gpointer key,
788 typedef void (*GScannerMsgFunc) (GScanner *scanner,
791 typedef gint (*GTraverseFunc) (gpointer key,
794 typedef void (*GVoidFunc) (void);
858 /* Doubly linked lists
860 void g_list_push_allocator (GAllocator *allocator);
861 void g_list_pop_allocator (void);
862 GList* g_list_alloc (void);
863 void g_list_free (GList *list);
864 void g_list_free_1 (GList *list);
865 GList* g_list_append (GList *list,
867 GList* g_list_prepend (GList *list,
869 GList* g_list_insert (GList *list,
872 GList* g_list_insert_sorted (GList *list,
875 GList* g_list_concat (GList *list1,
877 GList* g_list_delete (GList *list,
879 GList* g_list_remove (GList *list,
881 GList* g_list_remove_link (GList *list,
883 GList* g_list_reverse (GList *list);
884 GList* g_list_copy (GList *list);
885 GList* g_list_nth (GList *list,
887 GList* g_list_find (GList *list,
889 GList* g_list_find_custom (GList *list,
892 gint g_list_position (GList *list,
894 gint g_list_index (GList *list,
896 GList* g_list_last (GList *list);
897 GList* g_list_first (GList *list);
898 guint g_list_length (GList *list);
899 void g_list_foreach (GList *list,
902 GList* g_list_sort (GList *list,
903 GCompareFunc compare_func);
904 gpointer g_list_nth_data (GList *list,
906 #define g_list_previous(list) ((list) ? (((GList *)(list))->prev) : NULL)
907 #define g_list_next(list) ((list) ? (((GList *)(list))->next) : NULL)
910 /* Singly linked lists
912 void g_slist_push_allocator (GAllocator *allocator);
913 void g_slist_pop_allocator (void);
914 GSList* g_slist_alloc (void);
915 void g_slist_free (GSList *list);
916 void g_slist_free_1 (GSList *list);
917 GSList* g_slist_append (GSList *list,
919 GSList* g_slist_prepend (GSList *list,
921 GSList* g_slist_insert (GSList *list,
924 GSList* g_slist_insert_sorted (GSList *list,
927 GSList* g_slist_concat (GSList *list1,
929 GSList* g_slist_remove (GSList *list,
931 GSList* g_slist_remove_link (GSList *list,
933 GSList* g_slist_reverse (GSList *list);
934 GSList* g_slist_copy (GSList *list);
935 GSList* g_slist_nth (GSList *list,
937 GSList* g_slist_find (GSList *list,
939 GSList* g_slist_find_custom (GSList *list,
942 gint g_slist_position (GSList *list,
944 gint g_slist_index (GSList *list,
946 GSList* g_slist_last (GSList *list);
947 guint g_slist_length (GSList *list);
948 void g_slist_foreach (GSList *list,
951 GSList* g_slist_sort (GSList *list,
952 GCompareFunc compare_func);
953 gpointer g_slist_nth_data (GSList *list,
955 #define g_slist_next(slist) ((slist) ? (((GSList *)(slist))->next) : NULL)
961 GStack * g_stack_new (void);
962 void g_stack_free (GStack *stack);
963 gpointer g_stack_pop (GStack *stack);
965 #define g_stack_empty(stack) \
966 ((((GStack *)(stack)) && ((GStack *)(stack))->list) ? FALSE : TRUE)
968 #define g_stack_peek(stack) \
969 ((((GStack *)(stack)) && ((GStack *)(stack))->list) ? \
970 ((GStack *)(stack))->list->data : NULL)
972 #define g_stack_index(stack,ptr) \
973 ((((GStack *)(stack)) && ((GStack *)(stack))->list) ? \
974 g_list_index (((GStack *)(stack))->list, (ptr)) : -1)
976 #define g_stack_push(stack,data) G_STMT_START { \
977 if ((GStack *)(stack)) \
978 ((GStack *)(stack))->list = \
979 g_list_prepend (((GStack *)(stack))->list, (data)); \
987 GQueue * g_queue_new (void);
988 void g_queue_free (GQueue *q);
989 guint g_queue_get_size (GQueue *q);
990 void g_queue_push_front (GQueue *q, gpointer data);
991 void g_queue_push_back (GQueue *q, gpointer data);
992 gpointer g_queue_pop_front (GQueue *q);
993 gpointer g_queue_pop_back (GQueue *q);
995 #define g_queue_empty(queue) \
996 ((((GQueue *)(queue)) && ((GQueue *)(queue))->list) ? FALSE : TRUE)
998 #define g_queue_peek_front(queue) \
999 ((((GQueue *)(queue)) && ((GQueue *)(queue))->list) ? \
1000 ((GQueue *)(queue))->list->data : NULL)
1002 #define g_queue_peek_back(queue) \
1003 ((((GQueue *)(queue)) && ((GQueue *)(queue))->list_end) ? \
1004 ((GQueue *)(queue))->list_end->data : NULL)
1006 #define g_queue_index(queue,ptr) \
1007 ((((GQueue *)(queue)) && ((GQueue *)(queue))->list) ? \
1008 g_list_index (((GQueue *)(queue))->list, (ptr)) : -1)
1010 #define g_queue_push g_queue_push_back
1011 #define g_queue_pop g_queue_pop_front
1012 #define g_queue_peek g_queue_peek_front
1020 GHashTable* g_hash_table_new (GHashFunc hash_func,
1021 GCompareFunc key_compare_func);
1022 void g_hash_table_destroy (GHashTable *hash_table);
1023 void g_hash_table_insert (GHashTable *hash_table,
1026 void g_hash_table_remove (GHashTable *hash_table,
1028 gpointer g_hash_table_lookup (GHashTable *hash_table,
1030 gboolean g_hash_table_lookup_extended(GHashTable *hash_table,
1031 gconstpointer lookup_key,
1034 void g_hash_table_freeze (GHashTable *hash_table);
1035 void g_hash_table_thaw (GHashTable *hash_table);
1036 void g_hash_table_foreach (GHashTable *hash_table,
1038 gpointer user_data);
1039 guint g_hash_table_foreach_remove (GHashTable *hash_table,
1041 gpointer user_data);
1042 guint g_hash_table_size (GHashTable *hash_table);
1047 GCache* g_cache_new (GCacheNewFunc value_new_func,
1048 GCacheDestroyFunc value_destroy_func,
1049 GCacheDupFunc key_dup_func,
1050 GCacheDestroyFunc key_destroy_func,
1051 GHashFunc hash_key_func,
1052 GHashFunc hash_value_func,
1053 GCompareFunc key_compare_func);
1054 void g_cache_destroy (GCache *cache);
1055 gpointer g_cache_insert (GCache *cache,
1057 void g_cache_remove (GCache *cache,
1059 void g_cache_key_foreach (GCache *cache,
1061 gpointer user_data);
1062 void g_cache_value_foreach (GCache *cache,
1064 gpointer user_data);
1067 /* Balanced binary trees
1069 GTree* g_tree_new (GCompareFunc key_compare_func);
1070 void g_tree_destroy (GTree *tree);
1071 void g_tree_insert (GTree *tree,
1074 void g_tree_remove (GTree *tree,
1076 gpointer g_tree_lookup (GTree *tree,
1078 void g_tree_traverse (GTree *tree,
1079 GTraverseFunc traverse_func,
1080 GTraverseType traverse_type,
1082 gpointer g_tree_search (GTree *tree,
1083 GSearchFunc search_func,
1085 gint g_tree_height (GTree *tree);
1086 gint g_tree_nnodes (GTree *tree);
1090 /* N-way tree implementation
1101 #define G_NODE_IS_ROOT(node) (((GNode*) (node))->parent == NULL && \
1102 ((GNode*) (node))->prev == NULL && \
1103 ((GNode*) (node))->next == NULL)
1104 #define G_NODE_IS_LEAF(node) (((GNode*) (node))->children == NULL)
1106 void g_node_push_allocator (GAllocator *allocator);
1107 void g_node_pop_allocator (void);
1108 GNode* g_node_new (gpointer data);
1109 void g_node_destroy (GNode *root);
1110 void g_node_unlink (GNode *node);
1111 GNode* g_node_insert (GNode *parent,
1114 GNode* g_node_insert_before (GNode *parent,
1117 GNode* g_node_prepend (GNode *parent,
1119 guint g_node_n_nodes (GNode *root,
1120 GTraverseFlags flags);
1121 GNode* g_node_get_root (GNode *node);
1122 gboolean g_node_is_ancestor (GNode *node,
1124 guint g_node_depth (GNode *node);
1125 GNode* g_node_find (GNode *root,
1126 GTraverseType order,
1127 GTraverseFlags flags,
1130 /* convenience macros */
1131 #define g_node_append(parent, node) \
1132 g_node_insert_before ((parent), NULL, (node))
1133 #define g_node_insert_data(parent, position, data) \
1134 g_node_insert ((parent), (position), g_node_new (data))
1135 #define g_node_insert_data_before(parent, sibling, data) \
1136 g_node_insert_before ((parent), (sibling), g_node_new (data))
1137 #define g_node_prepend_data(parent, data) \
1138 g_node_prepend ((parent), g_node_new (data))
1139 #define g_node_append_data(parent, data) \
1140 g_node_insert_before ((parent), NULL, g_node_new (data))
1142 /* traversal function, assumes that `node' is root
1143 * (only traverses `node' and its subtree).
1144 * this function is just a high level interface to
1145 * low level traversal functions, optimized for speed.
1147 void g_node_traverse (GNode *root,
1148 GTraverseType order,
1149 GTraverseFlags flags,
1151 GNodeTraverseFunc func,
1154 /* return the maximum tree height starting with `node', this is an expensive
1155 * operation, since we need to visit all nodes. this could be shortened by
1156 * adding `guint height' to struct _GNode, but then again, this is not very
1157 * often needed, and would make g_node_insert() more time consuming.
1159 guint g_node_max_height (GNode *root);
1161 void g_node_children_foreach (GNode *node,
1162 GTraverseFlags flags,
1163 GNodeForeachFunc func,
1165 void g_node_reverse_children (GNode *node);
1166 guint g_node_n_children (GNode *node);
1167 GNode* g_node_nth_child (GNode *node,
1169 GNode* g_node_last_child (GNode *node);
1170 GNode* g_node_find_child (GNode *node,
1171 GTraverseFlags flags,
1173 gint g_node_child_position (GNode *node,
1175 gint g_node_child_index (GNode *node,
1178 GNode* g_node_first_sibling (GNode *node);
1179 GNode* g_node_last_sibling (GNode *node);
1181 #define g_node_prev_sibling(node) ((node) ? \
1182 ((GNode*) (node))->prev : NULL)
1183 #define g_node_next_sibling(node) ((node) ? \
1184 ((GNode*) (node))->next : NULL)
1185 #define g_node_first_child(node) ((node) ? \
1186 ((GNode*) (node))->children : NULL)
1189 /* Callback maintenance functions
1191 #define G_HOOK_FLAG_USER_SHIFT (4)
1194 G_HOOK_FLAG_ACTIVE = 1 << 0,
1195 G_HOOK_FLAG_IN_CALL = 1 << 1,
1196 G_HOOK_FLAG_MASK = 0x0f
1199 #define G_HOOK_DEFERRED_DESTROY ((GHookFreeFunc) 0x01)
1207 GMemChunk *hook_memchunk;
1208 GHookFreeFunc hook_free; /* virtual function */
1209 GHookFreeFunc hook_destroy; /* virtual function */
1221 GDestroyNotify destroy;
1224 #define G_HOOK_ACTIVE(hook) ((((GHook*) hook)->flags & \
1225 G_HOOK_FLAG_ACTIVE) != 0)
1226 #define G_HOOK_IN_CALL(hook) ((((GHook*) hook)->flags & \
1227 G_HOOK_FLAG_IN_CALL) != 0)
1228 #define G_HOOK_IS_VALID(hook) (((GHook*) hook)->hook_id != 0 && \
1229 G_HOOK_ACTIVE (hook))
1230 #define G_HOOK_IS_UNLINKED(hook) (((GHook*) hook)->next == NULL && \
1231 ((GHook*) hook)->prev == NULL && \
1232 ((GHook*) hook)->hook_id == 0 && \
1233 ((GHook*) hook)->ref_count == 0)
1235 void g_hook_list_init (GHookList *hook_list,
1237 void g_hook_list_clear (GHookList *hook_list);
1238 GHook* g_hook_alloc (GHookList *hook_list);
1239 void g_hook_free (GHookList *hook_list,
1241 void g_hook_ref (GHookList *hook_list,
1243 void g_hook_unref (GHookList *hook_list,
1245 gboolean g_hook_destroy (GHookList *hook_list,
1247 void g_hook_destroy_link (GHookList *hook_list,
1249 void g_hook_prepend (GHookList *hook_list,
1251 void g_hook_insert_before (GHookList *hook_list,
1254 void g_hook_insert_sorted (GHookList *hook_list,
1256 GHookCompareFunc func);
1257 GHook* g_hook_get (GHookList *hook_list,
1259 GHook* g_hook_find (GHookList *hook_list,
1260 gboolean need_valids,
1263 GHook* g_hook_find_data (GHookList *hook_list,
1264 gboolean need_valids,
1266 GHook* g_hook_find_func (GHookList *hook_list,
1267 gboolean need_valids,
1269 GHook* g_hook_find_func_data (GHookList *hook_list,
1270 gboolean need_valids,
1273 /* return the first valid hook, and increment its reference count */
1274 GHook* g_hook_first_valid (GHookList *hook_list,
1275 gboolean may_be_in_call);
1276 /* return the next valid hook with incremented reference count, and
1277 * decrement the reference count of the original hook
1279 GHook* g_hook_next_valid (GHookList *hook_list,
1281 gboolean may_be_in_call);
1283 /* GHookCompareFunc implementation to insert hooks sorted by their id */
1284 gint g_hook_compare_ids (GHook *new_hook,
1287 /* convenience macros */
1288 #define g_hook_append( hook_list, hook ) \
1289 g_hook_insert_before ((hook_list), NULL, (hook))
1291 /* invoke all valid hooks with the (*GHookFunc) signature.
1293 void g_hook_list_invoke (GHookList *hook_list,
1294 gboolean may_recurse);
1295 /* invoke all valid hooks with the (*GHookCheckFunc) signature,
1296 * and destroy the hook if FALSE is returned.
1298 void g_hook_list_invoke_check (GHookList *hook_list,
1299 gboolean may_recurse);
1300 /* invoke a marshaller on all valid hooks.
1302 void g_hook_list_marshal (GHookList *hook_list,
1303 gboolean may_recurse,
1304 GHookMarshaller marshaller,
1306 void g_hook_list_marshal_check (GHookList *hook_list,
1307 gboolean may_recurse,
1308 GHookCheckMarshaller marshaller,
1312 /* Fatal error handlers.
1313 * g_on_error_query() will prompt the user to either
1314 * [E]xit, [H]alt, [P]roceed or show [S]tack trace.
1315 * g_on_error_stack_trace() invokes gdb, which attaches to the current
1316 * process and shows a stack trace.
1317 * These function may cause different actions on non-unix platforms.
1318 * The prg_name arg is required by gdb to find the executable, if it is
1319 * passed as NULL, g_on_error_query() will try g_get_prgname().
1321 void g_on_error_query (const gchar *prg_name);
1322 void g_on_error_stack_trace (const gchar *prg_name);
1325 /* Logging mechanism
1327 extern const gchar *g_log_domain_glib;
1328 guint g_log_set_handler (const gchar *log_domain,
1329 GLogLevelFlags log_levels,
1331 gpointer user_data);
1332 void g_log_remove_handler (const gchar *log_domain,
1334 void g_log_default_handler (const gchar *log_domain,
1335 GLogLevelFlags log_level,
1336 const gchar *message,
1337 gpointer unused_data);
1338 void g_log (const gchar *log_domain,
1339 GLogLevelFlags log_level,
1340 const gchar *format,
1341 ...) G_GNUC_PRINTF (3, 4);
1342 void g_logv (const gchar *log_domain,
1343 GLogLevelFlags log_level,
1344 const gchar *format,
1346 GLogLevelFlags g_log_set_fatal_mask (const gchar *log_domain,
1347 GLogLevelFlags fatal_mask);
1348 GLogLevelFlags g_log_set_always_fatal (GLogLevelFlags fatal_mask);
1349 #ifndef G_LOG_DOMAIN
1350 #define G_LOG_DOMAIN ((gchar*) 0)
1351 #endif /* G_LOG_DOMAIN */
1353 #define g_error(format, args...) g_log (G_LOG_DOMAIN, \
1354 G_LOG_LEVEL_ERROR, \
1356 #define g_message(format, args...) g_log (G_LOG_DOMAIN, \
1357 G_LOG_LEVEL_MESSAGE, \
1359 #define g_warning(format, args...) g_log (G_LOG_DOMAIN, \
1360 G_LOG_LEVEL_WARNING, \
1362 #else /* !__GNUC__ */
1364 g_error (const gchar *format,
1368 va_start (args, format);
1369 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, format, args);
1373 g_message (const gchar *format,
1377 va_start (args, format);
1378 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, format, args);
1382 g_warning (const gchar *format,
1386 va_start (args, format);
1387 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, format, args);
1390 #endif /* !__GNUC__ */
1392 typedef void (*GPrintFunc) (const gchar *string);
1393 void g_print (const gchar *format,
1394 ...) G_GNUC_PRINTF (1, 2);
1395 GPrintFunc g_set_print_handler (GPrintFunc func);
1396 void g_printerr (const gchar *format,
1397 ...) G_GNUC_PRINTF (1, 2);
1398 GPrintFunc g_set_printerr_handler (GPrintFunc func);
1400 /* deprecated compatibility functions, use g_log_set_handler() instead */
1401 typedef void (*GErrorFunc) (const gchar *str);
1402 typedef void (*GWarningFunc) (const gchar *str);
1403 GErrorFunc g_set_error_handler (GErrorFunc func);
1404 GWarningFunc g_set_warning_handler (GWarningFunc func);
1405 GPrintFunc g_set_message_handler (GPrintFunc func);
1408 /* Memory allocation and debugging
1412 #define g_malloc(size) ((gpointer) MALLOC (size))
1413 #define g_malloc0(size) ((gpointer) CALLOC (char, size))
1414 #define g_realloc(mem,size) ((gpointer) REALLOC (mem, char, size))
1415 #define g_free(mem) FREE (mem)
1417 #else /* !USE_DMALLOC */
1419 gpointer g_malloc (gulong size);
1420 gpointer g_malloc0 (gulong size);
1421 gpointer g_realloc (gpointer mem,
1423 void g_free (gpointer mem);
1425 #endif /* !USE_DMALLOC */
1427 void g_mem_profile (void);
1428 void g_mem_check (gpointer mem);
1430 /* Generic allocators
1432 GAllocator* g_allocator_new (const gchar *name,
1434 void g_allocator_free (GAllocator *allocator);
1436 #define G_ALLOCATOR_LIST (1)
1437 #define G_ALLOCATOR_SLIST (2)
1438 #define G_ALLOCATOR_NODE (3)
1441 /* "g_mem_chunk_new" creates a new memory chunk.
1442 * Memory chunks are used to allocate pieces of memory which are
1443 * always the same size. Lists are a good example of such a data type.
1444 * The memory chunk allocates and frees blocks of memory as needed.
1445 * Just be sure to call "g_mem_chunk_free" and not "g_free" on data
1446 * allocated in a mem chunk. ("g_free" will most likely cause a seg
1447 * fault...somewhere).
1449 * Oh yeah, GMemChunk is an opaque data type. (You don't really
1450 * want to know what's going on inside do you?)
1453 /* ALLOC_ONLY MemChunk's can only allocate memory. The free operation
1454 * is interpreted as a no op. ALLOC_ONLY MemChunk's save 4 bytes per
1455 * atom. (They are also useful for lists which use MemChunk to allocate
1456 * memory but are also part of the MemChunk implementation).
1457 * ALLOC_AND_FREE MemChunk's can allocate and free memory.
1460 #define G_ALLOC_ONLY 1
1461 #define G_ALLOC_AND_FREE 2
1463 GMemChunk* g_mem_chunk_new (gchar *name,
1467 void g_mem_chunk_destroy (GMemChunk *mem_chunk);
1468 gpointer g_mem_chunk_alloc (GMemChunk *mem_chunk);
1469 gpointer g_mem_chunk_alloc0 (GMemChunk *mem_chunk);
1470 void g_mem_chunk_free (GMemChunk *mem_chunk,
1472 void g_mem_chunk_clean (GMemChunk *mem_chunk);
1473 void g_mem_chunk_reset (GMemChunk *mem_chunk);
1474 void g_mem_chunk_print (GMemChunk *mem_chunk);
1475 void g_mem_chunk_info (void);
1477 /* Ah yes...we have a "g_blow_chunks" function.
1478 * "g_blow_chunks" simply compresses all the chunks. This operation
1479 * consists of freeing every memory area that should be freed (but
1480 * which we haven't gotten around to doing yet). And, no,
1481 * "g_blow_chunks" doesn't follow the naming scheme, but it is a
1482 * much better name than "g_mem_chunk_clean_all" or something
1485 void g_blow_chunks (void);
1490 GTimer* g_timer_new (void);
1491 void g_timer_destroy (GTimer *timer);
1492 void g_timer_start (GTimer *timer);
1493 void g_timer_stop (GTimer *timer);
1494 void g_timer_reset (GTimer *timer);
1495 gdouble g_timer_elapsed (GTimer *timer,
1496 gulong *microseconds);
1499 /* String utility functions that modify a string argument or
1500 * return a constant string that must not be freed.
1502 #define G_STR_DELIMITERS "_-|> <."
1503 gchar* g_strdelimit (gchar *string,
1504 const gchar *delimiters,
1505 gchar new_delimiter);
1506 gdouble g_strtod (const gchar *nptr,
1508 gchar* g_strerror (gint errnum);
1509 gchar* g_strsignal (gint signum);
1510 gint g_strcasecmp (const gchar *s1,
1512 gint g_strncasecmp (const gchar *s1,
1515 void g_strdown (gchar *string);
1516 void g_strup (gchar *string);
1517 void g_strreverse (gchar *string);
1518 /* removes leading spaces */
1519 gchar* g_strchug (gchar *string);
1520 /* removes trailing spaces */
1521 gchar* g_strchomp (gchar *string);
1522 /* removes leading & trailing spaces */
1523 #define g_strstrip( string ) g_strchomp (g_strchug (string))
1525 /* String utility functions that return a newly allocated string which
1526 * ought to be freed from the caller at some point.
1528 gchar* g_strdup (const gchar *str);
1529 gchar* g_strdup_printf (const gchar *format,
1530 ...) G_GNUC_PRINTF (1, 2);
1531 gchar* g_strdup_vprintf (const gchar *format,
1533 gchar* g_strndup (const gchar *str,
1535 gchar* g_strnfill (guint length,
1537 gchar* g_strconcat (const gchar *string1,
1538 ...); /* NULL terminated */
1539 gchar* g_strjoin (const gchar *separator,
1540 ...); /* NULL terminated */
1541 gchar* g_strescape (gchar *string);
1542 gpointer g_memdup (gconstpointer mem,
1545 /* NULL terminated string arrays.
1546 * g_strsplit() splits up string into max_tokens tokens at delim and
1547 * returns a newly allocated string array.
1548 * g_strjoinv() concatenates all of str_array's strings, sliding in an
1549 * optional separator, the returned string is newly allocated.
1550 * g_strfreev() frees the array itself and all of its strings.
1552 gchar** g_strsplit (const gchar *string,
1553 const gchar *delimiter,
1555 gchar* g_strjoinv (const gchar *separator,
1557 void g_strfreev (gchar **str_array);
1561 /* calculate a string size, guarranteed to fit format + args.
1563 guint g_printf_string_upper_bound (const gchar* format,
1567 /* Retrive static string info
1569 gchar* g_get_user_name (void);
1570 gchar* g_get_real_name (void);
1571 gchar* g_get_home_dir (void);
1572 gchar* g_get_tmp_dir (void);
1573 gchar* g_get_prgname (void);
1574 void g_set_prgname (const gchar *prgname);
1577 /* Miscellaneous utility functions
1579 guint g_parse_debug_string (const gchar *string,
1582 gint g_snprintf (gchar *string,
1584 gchar const *format,
1585 ...) G_GNUC_PRINTF (3, 4);
1586 gint g_vsnprintf (gchar *string,
1588 gchar const *format,
1590 gchar* g_basename (const gchar *file_name);
1591 /* Check if a file name is an absolute path */
1592 gboolean g_path_is_absolute (const gchar *file_name);
1593 /* In case of absolute paths, skip the root part */
1594 gchar* g_path_skip_root (gchar *file_name);
1596 /* strings are newly allocated with g_malloc() */
1597 gchar* g_dirname (const gchar *file_name);
1598 gchar* g_get_current_dir (void);
1599 gchar* g_getenv (const gchar *variable);
1602 /* we use a GLib function as a replacement for ATEXIT, so
1603 * the programmer is not required to check the return value
1604 * (if there is any in the implementation) and doesn't encounter
1605 * missing include files.
1607 void g_atexit (GVoidFunc func);
1612 G_INLINE_FUNC gint g_bit_nth_lsf (guint32 mask,
1616 g_bit_nth_lsf (guint32 mask,
1622 if (mask & (1 << (guint) nth_bit))
1625 while (nth_bit < 32);
1628 #endif /* G_CAN_INLINE */
1630 G_INLINE_FUNC gint g_bit_nth_msf (guint32 mask,
1634 g_bit_nth_msf (guint32 mask,
1642 if (mask & (1 << (guint) nth_bit))
1645 while (nth_bit > 0);
1648 #endif /* G_CAN_INLINE */
1650 G_INLINE_FUNC guint g_bit_storage (guint number);
1653 g_bit_storage (guint number)
1655 register guint n_bits = 0;
1665 #endif /* G_CAN_INLINE */
1669 GStringChunk* g_string_chunk_new (gint size);
1670 void g_string_chunk_free (GStringChunk *chunk);
1671 gchar* g_string_chunk_insert (GStringChunk *chunk,
1672 const gchar *string);
1673 gchar* g_string_chunk_insert_const (GStringChunk *chunk,
1674 const gchar *string);
1679 GString* g_string_new (const gchar *init);
1680 GString* g_string_sized_new (guint dfl_size);
1681 void g_string_free (GString *string,
1683 GString* g_string_assign (GString *lval,
1685 GString* g_string_truncate (GString *string,
1687 GString* g_string_append (GString *string,
1689 GString* g_string_append_c (GString *string,
1691 GString* g_string_prepend (GString *string,
1693 GString* g_string_prepend_c (GString *string,
1695 GString* g_string_insert (GString *string,
1698 GString* g_string_insert_c (GString *string,
1701 GString* g_string_erase (GString *string,
1704 GString* g_string_down (GString *string);
1705 GString* g_string_up (GString *string);
1706 void g_string_sprintf (GString *string,
1707 const gchar *format,
1708 ...) G_GNUC_PRINTF (2, 3);
1709 void g_string_sprintfa (GString *string,
1710 const gchar *format,
1711 ...) G_GNUC_PRINTF (2, 3);
1714 /* Resizable arrays, remove fills any cleared spot and shortens the
1715 * array, while preserving the order. remove_fast will distort the
1716 * order by moving the last element to the position of the removed
1719 #define g_array_append_val(a,v) g_array_append_vals (a, &v, 1)
1720 #define g_array_prepend_val(a,v) g_array_prepend_vals (a, &v, 1)
1721 #define g_array_insert_val(a,i,v) g_array_insert_vals (a, i, &v, 1)
1722 #define g_array_index(a,t,i) (((t*) (a)->data) [(i)])
1724 GArray* g_array_new (gboolean zero_terminated,
1726 guint element_size);
1727 void g_array_free (GArray *array,
1728 gboolean free_segment);
1729 GArray* g_array_append_vals (GArray *array,
1732 GArray* g_array_prepend_vals (GArray *array,
1735 GArray* g_array_insert_vals (GArray *array,
1739 GArray* g_array_set_size (GArray *array,
1741 GArray* g_array_remove_index (GArray *array,
1743 GArray* g_array_remove_index_fast (GArray *array,
1746 /* Resizable pointer array. This interface is much less complicated
1747 * than the above. Add appends appends a pointer. Remove fills any
1748 * cleared spot and shortens the array. remove_fast will again distort
1751 #define g_ptr_array_index(array,index) (array->pdata)[index]
1752 GPtrArray* g_ptr_array_new (void);
1753 void g_ptr_array_free (GPtrArray *array,
1755 void g_ptr_array_set_size (GPtrArray *array,
1757 gpointer g_ptr_array_remove_index (GPtrArray *array,
1759 gpointer g_ptr_array_remove_index_fast (GPtrArray *array,
1761 gboolean g_ptr_array_remove (GPtrArray *array,
1763 gboolean g_ptr_array_remove_fast (GPtrArray *array,
1765 void g_ptr_array_add (GPtrArray *array,
1768 /* Byte arrays, an array of guint8. Implemented as a GArray,
1772 GByteArray* g_byte_array_new (void);
1773 void g_byte_array_free (GByteArray *array,
1774 gboolean free_segment);
1775 GByteArray* g_byte_array_append (GByteArray *array,
1778 GByteArray* g_byte_array_prepend (GByteArray *array,
1781 GByteArray* g_byte_array_set_size (GByteArray *array,
1783 GByteArray* g_byte_array_remove_index (GByteArray *array,
1785 GByteArray* g_byte_array_remove_index_fast (GByteArray *array,
1791 gint g_str_equal (gconstpointer v,
1793 guint g_str_hash (gconstpointer v);
1795 gint g_int_equal (gconstpointer v,
1797 guint g_int_hash (gconstpointer v);
1799 /* This "hash" function will just return the key's adress as an
1800 * unsigned integer. Useful for hashing on plain adresses or
1801 * simple integer values.
1802 * passing NULL into g_hash_table_new() as GHashFunc has the
1803 * same effect as passing g_direct_hash().
1805 guint g_direct_hash (gconstpointer v);
1806 gint g_direct_equal (gconstpointer v,
1810 /* Quarks (string<->id association)
1812 GQuark g_quark_try_string (const gchar *string);
1813 GQuark g_quark_from_static_string (const gchar *string);
1814 GQuark g_quark_from_string (const gchar *string);
1815 gchar* g_quark_to_string (GQuark quark);
1820 void g_datalist_init (GData **datalist);
1821 void g_datalist_clear (GData **datalist);
1822 gpointer g_datalist_id_get_data (GData **datalist,
1824 void g_datalist_id_set_data_full (GData **datalist,
1827 GDestroyNotify destroy_func);
1828 void g_datalist_id_remove_no_notify (GData **datalist,
1830 void g_datalist_foreach (GData **datalist,
1831 GDataForeachFunc func,
1832 gpointer user_data);
1833 #define g_datalist_id_set_data(dl, q, d) \
1834 g_datalist_id_set_data_full ((dl), (q), (d), NULL)
1835 #define g_datalist_id_remove_data(dl, q) \
1836 g_datalist_id_set_data ((dl), (q), NULL)
1837 #define g_datalist_get_data(dl, k) \
1838 (g_datalist_id_get_data ((dl), g_quark_try_string (k)))
1839 #define g_datalist_set_data_full(dl, k, d, f) \
1840 g_datalist_id_set_data_full ((dl), g_quark_from_string (k), (d), (f))
1841 #define g_datalist_remove_no_notify(dl, k) \
1842 g_datalist_id_remove_no_notify ((dl), g_quark_try_string (k))
1843 #define g_datalist_set_data(dl, k, d) \
1844 g_datalist_set_data_full ((dl), (k), (d), NULL)
1845 #define g_datalist_remove_data(dl, k) \
1846 g_datalist_id_set_data ((dl), g_quark_try_string (k), NULL)
1849 /* Location Associated Keyed Data
1851 void g_dataset_destroy (gconstpointer dataset_location);
1852 gpointer g_dataset_id_get_data (gconstpointer dataset_location,
1854 void g_dataset_id_set_data_full (gconstpointer dataset_location,
1857 GDestroyNotify destroy_func);
1858 void g_dataset_id_remove_no_notify (gconstpointer dataset_location,
1860 void g_dataset_foreach (gconstpointer dataset_location,
1861 GDataForeachFunc func,
1862 gpointer user_data);
1863 #define g_dataset_id_set_data(l, k, d) \
1864 g_dataset_id_set_data_full ((l), (k), (d), NULL)
1865 #define g_dataset_id_remove_data(l, k) \
1866 g_dataset_id_set_data ((l), (k), NULL)
1867 #define g_dataset_get_data(l, k) \
1868 (g_dataset_id_get_data ((l), g_quark_try_string (k)))
1869 #define g_dataset_set_data_full(l, k, d, f) \
1870 g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f))
1871 #define g_dataset_remove_no_notify(l, k) \
1872 g_dataset_id_remove_no_notify ((l), g_quark_try_string (k))
1873 #define g_dataset_set_data(l, k, d) \
1874 g_dataset_set_data_full ((l), (k), (d), NULL)
1875 #define g_dataset_remove_data(l, k) \
1876 g_dataset_id_set_data ((l), g_quark_try_string (k), NULL)
1879 /* GScanner: Flexible lexical scanner for general purpose.
1882 /* Character sets */
1883 #define G_CSET_A_2_Z "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1884 #define G_CSET_a_2_z "abcdefghijklmnopqrstuvwxyz"
1885 #define G_CSET_LATINC "\300\301\302\303\304\305\306"\
1886 "\307\310\311\312\313\314\315\316\317\320"\
1887 "\321\322\323\324\325\326"\
1888 "\330\331\332\333\334\335\336"
1889 #define G_CSET_LATINS "\337\340\341\342\343\344\345\346"\
1890 "\347\350\351\352\353\354\355\356\357\360"\
1891 "\361\362\363\364\365\366"\
1892 "\370\371\372\373\374\375\376\377"
1899 G_ERR_UNEXP_EOF_IN_STRING,
1900 G_ERR_UNEXP_EOF_IN_COMMENT,
1901 G_ERR_NON_DIGIT_IN_CONST,
1904 G_ERR_FLOAT_MALFORMED
1912 G_TOKEN_LEFT_PAREN = '(',
1913 G_TOKEN_RIGHT_PAREN = ')',
1914 G_TOKEN_LEFT_CURLY = '{',
1915 G_TOKEN_RIGHT_CURLY = '}',
1916 G_TOKEN_LEFT_BRACE = '[',
1917 G_TOKEN_RIGHT_BRACE = ']',
1918 G_TOKEN_EQUAL_SIGN = '=',
1919 G_TOKEN_COMMA = ',',
1935 G_TOKEN_IDENTIFIER_NULL,
1937 G_TOKEN_COMMENT_SINGLE,
1938 G_TOKEN_COMMENT_MULTI,
1945 gchar *v_identifier;
1957 struct _GScannerConfig
1961 gchar *cset_skip_characters; /* default: " \t\n" */
1962 gchar *cset_identifier_first;
1963 gchar *cset_identifier_nth;
1964 gchar *cpair_comment_single; /* default: "#\n" */
1966 /* Should symbol lookup work case sensitive?
1968 guint case_sensitive : 1;
1970 /* Boolean values to be adjusted "on the fly"
1971 * to configure scanning behaviour.
1973 guint skip_comment_multi : 1; /* C like comment */
1974 guint skip_comment_single : 1; /* single line comment */
1975 guint scan_comment_multi : 1; /* scan multi line comments? */
1976 guint scan_identifier : 1;
1977 guint scan_identifier_1char : 1;
1978 guint scan_identifier_NULL : 1;
1979 guint scan_symbols : 1;
1980 guint scan_binary : 1;
1981 guint scan_octal : 1;
1982 guint scan_float : 1;
1983 guint scan_hex : 1; /* `0x0ff0' */
1984 guint scan_hex_dollar : 1; /* `$0ff0' */
1985 guint scan_string_sq : 1; /* string: 'anything' */
1986 guint scan_string_dq : 1; /* string: "\\-escapes!\n" */
1987 guint numbers_2_int : 1; /* bin, octal, hex => int */
1988 guint int_2_float : 1; /* int => G_TOKEN_FLOAT? */
1989 guint identifier_2_string : 1;
1990 guint char_2_token : 1; /* return G_TOKEN_CHAR? */
1991 guint symbol_2_token : 1;
1992 guint scope_0_fallback : 1; /* try scope 0 on lookups? */
1999 guint max_parse_errors;
2001 /* g_scanner_error() increments this field */
2004 /* name of input stream, featured by the default message handler */
2005 const gchar *input_name;
2007 /* data pointer for derived structures */
2008 gpointer derived_data;
2010 /* link into the scanner configuration */
2011 GScannerConfig *config;
2013 /* fields filled in after g_scanner_get_next_token() */
2019 /* fields filled in after g_scanner_peek_next_token() */
2020 GTokenType next_token;
2021 GTokenValue next_value;
2023 guint next_position;
2025 /* to be considered private */
2026 GHashTable *symbol_table;
2029 const gchar *text_end;
2033 /* handler function for _warn and _error */
2034 GScannerMsgFunc msg_handler;
2037 GScanner* g_scanner_new (GScannerConfig *config_templ);
2038 void g_scanner_destroy (GScanner *scanner);
2039 void g_scanner_input_file (GScanner *scanner,
2041 void g_scanner_sync_file_offset (GScanner *scanner);
2042 void g_scanner_input_text (GScanner *scanner,
2045 GTokenType g_scanner_get_next_token (GScanner *scanner);
2046 GTokenType g_scanner_peek_next_token (GScanner *scanner);
2047 GTokenType g_scanner_cur_token (GScanner *scanner);
2048 GTokenValue g_scanner_cur_value (GScanner *scanner);
2049 guint g_scanner_cur_line (GScanner *scanner);
2050 guint g_scanner_cur_position (GScanner *scanner);
2051 gboolean g_scanner_eof (GScanner *scanner);
2052 guint g_scanner_set_scope (GScanner *scanner,
2054 void g_scanner_scope_add_symbol (GScanner *scanner,
2056 const gchar *symbol,
2058 void g_scanner_scope_remove_symbol (GScanner *scanner,
2060 const gchar *symbol);
2061 gpointer g_scanner_scope_lookup_symbol (GScanner *scanner,
2063 const gchar *symbol);
2064 void g_scanner_scope_foreach_symbol (GScanner *scanner,
2067 gpointer user_data);
2068 gpointer g_scanner_lookup_symbol (GScanner *scanner,
2069 const gchar *symbol);
2070 void g_scanner_freeze_symbol_table (GScanner *scanner);
2071 void g_scanner_thaw_symbol_table (GScanner *scanner);
2072 void g_scanner_unexp_token (GScanner *scanner,
2073 GTokenType expected_token,
2074 const gchar *identifier_spec,
2075 const gchar *symbol_spec,
2076 const gchar *symbol_name,
2077 const gchar *message,
2079 void g_scanner_error (GScanner *scanner,
2080 const gchar *format,
2081 ...) G_GNUC_PRINTF (2,3);
2082 void g_scanner_warn (GScanner *scanner,
2083 const gchar *format,
2084 ...) G_GNUC_PRINTF (2,3);
2085 gint g_scanner_stat_mode (const gchar *filename);
2086 /* keep downward source compatibility */
2087 #define g_scanner_add_symbol( scanner, symbol, value ) G_STMT_START { \
2088 g_scanner_scope_add_symbol ((scanner), 0, (symbol), (value)); \
2090 #define g_scanner_remove_symbol( scanner, symbol ) G_STMT_START { \
2091 g_scanner_scope_remove_symbol ((scanner), 0, (symbol)); \
2093 #define g_scanner_foreach_symbol( scanner, func, data ) G_STMT_START { \
2094 g_scanner_scope_foreach_symbol ((scanner), 0, (func), (data)); \
2104 GCompletionFunc func;
2110 GCompletion* g_completion_new (GCompletionFunc func);
2111 void g_completion_add_items (GCompletion* cmp,
2113 void g_completion_remove_items (GCompletion* cmp,
2115 void g_completion_clear_items (GCompletion* cmp);
2116 GList* g_completion_complete (GCompletion* cmp,
2118 gchar** new_prefix);
2119 void g_completion_free (GCompletion* cmp);
2124 * Date calculations (not time for now, to be resolved). These are a
2125 * mutant combination of Steffen Beyer's DateCalc routines
2126 * (http://www.perl.com/CPAN/authors/id/STBEY/) and Jon Trowbridge's
2127 * date routines (written for in-house software). Written by Havoc
2128 * Pennington <hp@pobox.com>
2131 typedef guint16 GDateYear;
2132 typedef guint8 GDateDay; /* day of the month */
2133 typedef struct _GDate GDate;
2134 /* make struct tm known without having to include time.h */
2137 /* enum used to specify order of appearance in parsed date strings */
2145 /* actual week and month values */
2148 G_DATE_BAD_WEEKDAY = 0,
2151 G_DATE_WEDNESDAY = 3,
2152 G_DATE_THURSDAY = 4,
2154 G_DATE_SATURDAY = 6,
2159 G_DATE_BAD_MONTH = 0,
2161 G_DATE_FEBRUARY = 2,
2168 G_DATE_SEPTEMBER = 9,
2169 G_DATE_OCTOBER = 10,
2170 G_DATE_NOVEMBER = 11,
2171 G_DATE_DECEMBER = 12
2174 #define G_DATE_BAD_JULIAN 0U
2175 #define G_DATE_BAD_DAY 0U
2176 #define G_DATE_BAD_YEAR 0U
2178 /* Note: directly manipulating structs is generally a bad idea, but
2179 * in this case it's an *incredibly* bad idea, because all or part
2180 * of this struct can be invalid at any given time. Use the functions,
2181 * or you will get hosed, I promise.
2185 guint julian_days : 32; /* julian days representation - we use a
2186 * bitfield hoping that 64 bit platforms
2187 * will pack this whole struct in one big
2191 guint julian : 1; /* julian is valid */
2192 guint dmy : 1; /* dmy is valid */
2194 /* DMY representation */
2200 /* g_date_new() returns an invalid date, you then have to _set() stuff
2201 * to get a usable object. You can also allocate a GDate statically,
2202 * then call g_date_clear() to initialize.
2204 GDate* g_date_new (void);
2205 GDate* g_date_new_dmy (GDateDay day,
2208 GDate* g_date_new_julian (guint32 julian_day);
2209 void g_date_free (GDate *date);
2211 /* check g_date_valid() after doing an operation that might fail, like
2212 * _parse. Almost all g_date operations are undefined on invalid
2213 * dates (the exceptions are the mutators, since you need those to
2214 * return to validity).
2216 gboolean g_date_valid (GDate *date);
2217 gboolean g_date_valid_day (GDateDay day);
2218 gboolean g_date_valid_month (GDateMonth month);
2219 gboolean g_date_valid_year (GDateYear year);
2220 gboolean g_date_valid_weekday (GDateWeekday weekday);
2221 gboolean g_date_valid_julian (guint32 julian_date);
2222 gboolean g_date_valid_dmy (GDateDay day,
2226 GDateWeekday g_date_weekday (GDate *date);
2227 GDateMonth g_date_month (GDate *date);
2228 GDateYear g_date_year (GDate *date);
2229 GDateDay g_date_day (GDate *date);
2230 guint32 g_date_julian (GDate *date);
2231 guint g_date_day_of_year (GDate *date);
2233 /* First monday/sunday is the start of week 1; if we haven't reached
2234 * that day, return 0. These are not ISO weeks of the year; that
2235 * routine needs to be added.
2236 * these functions return the number of weeks, starting on the
2239 guint g_date_monday_week_of_year (GDate *date);
2240 guint g_date_sunday_week_of_year (GDate *date);
2242 /* If you create a static date struct you need to clear it to get it
2243 * in a sane state before use. You can clear a whole array at
2244 * once with the ndates argument.
2246 void g_date_clear (GDate *date,
2249 /* The parse routine is meant for dates typed in by a user, so it
2250 * permits many formats but tries to catch common typos. If your data
2251 * needs to be strictly validated, it is not an appropriate function.
2253 void g_date_set_parse (GDate *date,
2255 void g_date_set_time (GDate *date,
2257 void g_date_set_month (GDate *date,
2259 void g_date_set_day (GDate *date,
2261 void g_date_set_year (GDate *date,
2263 void g_date_set_dmy (GDate *date,
2267 void g_date_set_julian (GDate *date,
2268 guint32 julian_date);
2269 gboolean g_date_is_first_of_month (GDate *date);
2270 gboolean g_date_is_last_of_month (GDate *date);
2272 /* To go forward by some number of weeks just go forward weeks*7 days */
2273 void g_date_add_days (GDate *date,
2275 void g_date_subtract_days (GDate *date,
2278 /* If you add/sub months while day > 28, the day might change */
2279 void g_date_add_months (GDate *date,
2281 void g_date_subtract_months (GDate *date,
2284 /* If it's feb 29, changing years can move you to the 28th */
2285 void g_date_add_years (GDate *date,
2287 void g_date_subtract_years (GDate *date,
2289 gboolean g_date_is_leap_year (GDateYear year);
2290 guint8 g_date_days_in_month (GDateMonth month,
2292 guint8 g_date_monday_weeks_in_year (GDateYear year);
2293 guint8 g_date_sunday_weeks_in_year (GDateYear year);
2295 /* qsort-friendly (with a cast...) */
2296 gint g_date_compare (GDate *lhs,
2298 void g_date_to_struct_tm (GDate *date,
2301 /* Just like strftime() except you can only use date-related formats.
2302 * Using a time format is undefined.
2304 gsize g_date_strftime (gchar *s,
2306 const gchar *format,
2312 * Indexed Relations. Imagine a really simple table in a
2313 * database. Relations are not ordered. This data type is meant for
2314 * maintaining a N-way mapping.
2316 * g_relation_new() creates a relation with FIELDS fields
2318 * g_relation_destroy() frees all resources
2319 * g_tuples_destroy() frees the result of g_relation_select()
2321 * g_relation_index() indexes relation FIELD with the provided
2322 * equality and hash functions. this must be done before any
2323 * calls to insert are made.
2325 * g_relation_insert() inserts a new tuple. you are expected to
2326 * provide the right number of fields.
2328 * g_relation_delete() deletes all relations with KEY in FIELD
2329 * g_relation_select() returns ...
2330 * g_relation_count() counts ...
2333 GRelation* g_relation_new (gint fields);
2334 void g_relation_destroy (GRelation *relation);
2335 void g_relation_index (GRelation *relation,
2337 GHashFunc hash_func,
2338 GCompareFunc key_compare_func);
2339 void g_relation_insert (GRelation *relation,
2341 gint g_relation_delete (GRelation *relation,
2344 GTuples* g_relation_select (GRelation *relation,
2347 gint g_relation_count (GRelation *relation,
2350 gboolean g_relation_exists (GRelation *relation,
2352 void g_relation_print (GRelation *relation);
2354 void g_tuples_destroy (GTuples *tuples);
2355 gpointer g_tuples_index (GTuples *tuples,
2363 /* This function returns prime numbers spaced by approximately 1.5-2.0
2364 * and is for use in resizing data structures which prefer
2365 * prime-valued sizes. The closest spaced prime function returns the
2366 * next largest prime, or the highest it knows about which is about
2369 guint g_spaced_primes_closest (guint num);
2375 typedef struct _GIOFuncs GIOFuncs;
2391 G_IO_IN GLIB_SYSDEF_POLLIN,
2392 G_IO_OUT GLIB_SYSDEF_POLLOUT,
2393 G_IO_PRI GLIB_SYSDEF_POLLPRI,
2394 G_IO_ERR GLIB_SYSDEF_POLLERR,
2395 G_IO_HUP GLIB_SYSDEF_POLLHUP,
2396 G_IO_NVAL GLIB_SYSDEF_POLLNVAL
2401 guint channel_flags;
2406 typedef gboolean (*GIOFunc) (GIOChannel *source,
2407 GIOCondition condition,
2411 GIOError (*io_read) (GIOChannel *channel,
2415 GIOError (*io_write) (GIOChannel *channel,
2418 guint *bytes_written);
2419 GIOError (*io_seek) (GIOChannel *channel,
2422 void (*io_close) (GIOChannel *channel);
2423 guint (*io_add_watch) (GIOChannel *channel,
2425 GIOCondition condition,
2428 GDestroyNotify notify);
2429 void (*io_free) (GIOChannel *channel);
2432 void g_io_channel_init (GIOChannel *channel);
2433 void g_io_channel_ref (GIOChannel *channel);
2434 void g_io_channel_unref (GIOChannel *channel);
2435 GIOError g_io_channel_read (GIOChannel *channel,
2439 GIOError g_io_channel_write (GIOChannel *channel,
2442 guint *bytes_written);
2443 GIOError g_io_channel_seek (GIOChannel *channel,
2446 void g_io_channel_close (GIOChannel *channel);
2447 guint g_io_add_watch_full (GIOChannel *channel,
2449 GIOCondition condition,
2452 GDestroyNotify notify);
2453 guint g_io_add_watch (GIOChannel *channel,
2454 GIOCondition condition,
2456 gpointer user_data);
2461 typedef struct _GTimeVal GTimeVal;
2462 typedef struct _GSourceFuncs GSourceFuncs;
2463 typedef struct _GMainLoop GMainLoop; /* Opaque */
2470 struct _GSourceFuncs
2472 gboolean (*prepare) (gpointer source_data,
2473 GTimeVal *current_time,
2475 gboolean (*check) (gpointer source_data,
2476 GTimeVal *current_time);
2477 gboolean (*dispatch) (gpointer source_data,
2478 GTimeVal *current_time,
2479 gpointer user_data);
2480 GDestroyNotify destroy;
2483 /* Standard priorities */
2485 #define G_PRIORITY_HIGH -100
2486 #define G_PRIORITY_DEFAULT 0
2487 #define G_PRIORITY_HIGH_IDLE 100
2488 #define G_PRIORITY_DEFAULT_IDLE 200
2489 #define G_PRIORITY_LOW 300
2491 typedef gboolean (*GSourceFunc) (gpointer data);
2493 /* Hooks for adding to the main loop */
2494 guint g_source_add (gint priority,
2495 gboolean can_recurse,
2496 GSourceFuncs *funcs,
2497 gpointer source_data,
2499 GDestroyNotify notify);
2500 gboolean g_source_remove (guint tag);
2501 gboolean g_source_remove_by_user_data (gpointer user_data);
2502 gboolean g_source_remove_by_source_data (gpointer source_data);
2503 gboolean g_source_remove_by_funcs_user_data (GSourceFuncs *funcs,
2504 gpointer user_data);
2506 void g_get_current_time (GTimeVal *result);
2508 /* Running the main loop */
2509 GMainLoop* g_main_new (gboolean is_running);
2510 void g_main_run (GMainLoop *loop);
2511 void g_main_quit (GMainLoop *loop);
2512 void g_main_destroy (GMainLoop *loop);
2513 gboolean g_main_is_running (GMainLoop *loop);
2515 /* Run a single iteration of the mainloop. If block is FALSE,
2518 gboolean g_main_iteration (gboolean may_block);
2520 /* See if any events are pending */
2521 gboolean g_main_pending (void);
2523 /* Idles and timeouts */
2524 guint g_timeout_add_full (gint priority,
2526 GSourceFunc function,
2528 GDestroyNotify notify);
2529 guint g_timeout_add (guint interval,
2530 GSourceFunc function,
2532 guint g_idle_add (GSourceFunc function,
2534 guint g_idle_add_full (gint priority,
2535 GSourceFunc function,
2537 GDestroyNotify destroy);
2538 gboolean g_idle_remove_by_data (gpointer data);
2542 * System-specific IO and main loop calls
2544 * On Win32, the fd in a GPollFD should be Win32 HANDLE (*not* a file
2545 * descriptor as provided by the C runtime) that can be used by
2546 * MsgWaitForMultipleObjects. This does *not* include file handles
2547 * from CreateFile, SOCKETs, nor pipe handles. (But you can use
2548 * WSAEventSelect to signal events when a SOCKET is readable).
2550 * On Win32, fd can also be the special value G_WIN32_MSG_HANDLE to
2551 * indicate polling for messages. These message queue GPollFDs should
2552 * be added with the g_main_poll_win32_msg_add function.
2554 * But note that G_WIN32_MSG_HANDLE GPollFDs should not be used by GDK
2555 * (GTK) programs, as GDK itself wants to read messages and convert them
2558 * So, unless you really know what you are doing, it's best not to try
2559 * to use the main loop polling stuff for your own needs on
2560 * Win32. It's really only written for the GIMP's needs so
2564 typedef struct _GPollFD GPollFD;
2565 typedef gint (*GPollFunc) (GPollFD *ufds,
2575 void g_main_add_poll (GPollFD *fd,
2577 void g_main_remove_poll (GPollFD *fd);
2578 void g_main_set_poll_func (GPollFunc func);
2580 /* On Unix, IO channels created with this function for any file
2581 * descriptor or socket.
2583 * On Win32, use this only for plain files opened with the MSVCRT (the
2584 * Microsoft run-time C library) _open(), including file descriptors
2585 * 0, 1 and 2 (corresponding to stdin, stdout and stderr).
2586 * Actually, don't do even that, this code isn't done yet.
2588 * The term file descriptor as used in the context of Win32 refers to
2589 * the emulated Unix-like file descriptors MSVCRT provides.
2591 GIOChannel* g_io_channel_unix_new (int fd);
2592 gint g_io_channel_unix_get_fd (GIOChannel *channel);
2596 GUTILS_C_VAR guint g_pipe_readable_msg;
2598 #define G_WIN32_MSG_HANDLE 19981206
2600 /* This is used to add polling for Windows messages. GDK (GTk+) programs
2601 * should *not* use this. (In fact, I can't think of any program that
2602 * would want to use this, but it's here just for completeness's sake.
2604 void g_main_poll_win32_msg_add(gint priority,
2608 /* An IO channel for Windows messages for window handle hwnd. */
2609 GIOChannel *g_io_channel_win32_new_messages (guint hwnd);
2611 /* An IO channel for an anonymous pipe as returned from the MSVCRT
2612 * _pipe(), with no mechanism for the writer to tell the reader when
2613 * there is data in the pipe.
2615 * This is not really implemented yet.
2617 GIOChannel *g_io_channel_win32_new_pipe (int fd);
2619 /* An IO channel for a pipe as returned from the MSVCRT _pipe(), with
2620 * Windows user messages used to signal data in the pipe for the
2623 * fd is the file descriptor. For the write end, peer is the thread id
2624 * of the reader, and peer_fd is his file descriptor for the read end
2627 * This is used by the GIMP, and works.
2629 GIOChannel *g_io_channel_win32_new_pipe_with_wakeups (int fd,
2633 void g_io_channel_win32_pipe_request_wakeups (GIOChannel *channel,
2637 void g_io_channel_win32_pipe_readable (int fd,
2640 /* Get the C runtime file descriptor of a channel. */
2641 gint g_io_channel_win32_get_fd (GIOChannel *channel);
2643 /* An IO channel for a SOCK_STREAM winsock socket. The parameter is
2644 * actually a SOCKET.
2646 GIOChannel *g_io_channel_win32_new_stream_socket (int socket);
2650 /* Windows emulation stubs for common Unix functions
2653 # define MAXPATHLEN 1024
2657 /* These POSIXish functions are available in the Microsoft C library
2658 * prefixed with underscore (which of course technically speaking is
2659 * the Right Thing, as they are non-ANSI. Not that being non-ANSI
2660 * prevents Microsoft from practically requiring you to include
2661 * <windows.h> every now and then...).
2663 * You still need to include the appropriate headers to get the
2664 * prototypes, <io.h> or <direct.h>.
2666 * For some functions, we provide emulators in glib, which are prefixed
2669 # define getcwd _getcwd
2670 # define getpid _getpid
2671 # define access _access
2674 # define write _write
2675 # define lseek _lseek
2676 # define close _close
2677 # define pipe(phandles) _pipe (phandles, 4096, _O_BINARY)
2678 # define popen _popen
2679 # define pclose _pclose
2680 # define fdopen _fdopen
2681 # define ftruncate(fd, size) gwin_ftruncate (fd, size)
2682 # define opendir gwin_opendir
2683 # define readdir gwin_readdir
2684 # define rewinddir gwin_rewinddir
2685 # define closedir gwin_closedir
2686 # define NAME_MAX 255
2690 gboolean just_opened;
2691 guint find_file_handle;
2692 gpointer find_file_data;
2694 typedef struct DIR DIR;
2697 gchar d_name[NAME_MAX + 1];
2699 /* emulation functions */
2700 extern int gwin_ftruncate (gint f,
2702 DIR* gwin_opendir (const gchar *dirname);
2703 struct dirent* gwin_readdir (DIR *dir);
2704 void gwin_rewinddir (DIR *dir);
2705 gint gwin_closedir (DIR *dir);
2706 # endif /* _MSC_VER */
2707 #endif /* NATIVE_WIN32 */
2710 /* GLib Thread support
2712 typedef struct _GMutex GMutex;
2713 typedef struct _GCond GCond;
2714 typedef struct _GPrivate GPrivate;
2715 typedef struct _GStaticPrivate GStaticPrivate;
2716 typedef struct _GThreadFunctions GThreadFunctions;
2717 struct _GThreadFunctions
2719 GMutex* (*mutex_new) (void);
2720 void (*mutex_lock) (GMutex *mutex);
2721 gboolean (*mutex_trylock) (GMutex *mutex);
2722 void (*mutex_unlock) (GMutex *mutex);
2723 void (*mutex_free) (GMutex *mutex);
2724 GCond* (*cond_new) (void);
2725 void (*cond_signal) (GCond *cond);
2726 void (*cond_broadcast) (GCond *cond);
2727 void (*cond_wait) (GCond *cond,
2729 gboolean (*cond_timed_wait) (GCond *cond,
2731 GTimeVal *end_time);
2732 void (*cond_free) (GCond *cond);
2733 GPrivate* (*private_new) (GDestroyNotify destructor);
2734 gpointer (*private_get) (GPrivate *private_key);
2735 void (*private_set) (GPrivate *private_key,
2739 GUTILS_C_VAR GThreadFunctions g_thread_functions_for_glib_use;
2740 GUTILS_C_VAR gboolean g_thread_use_default_impl;
2741 GUTILS_C_VAR gboolean g_threads_got_initialized;
2743 /* initializes the mutex/cond/private implementation for glib, might
2744 * only be called once, and must not be called directly or indirectly
2745 * from another glib-function, e.g. as a callback.
2747 void g_thread_init (GThreadFunctions *vtable);
2749 /* internal function for fallback static mutex implementation */
2750 GMutex* g_static_mutex_get_mutex_impl (GMutex **mutex);
2752 /* shorthands for conditional and unconditional function calls */
2753 #define G_THREAD_UF(name, arglist) \
2754 (*g_thread_functions_for_glib_use . name) arglist
2755 #define G_THREAD_CF(name, fail, arg) \
2756 (g_thread_supported () ? G_THREAD_UF (name, arg) : (fail))
2757 /* keep in mind, all those mutexes and static mutexes are not
2758 * recursive in general, don't rely on that
2760 #define g_thread_supported() (g_threads_got_initialized)
2761 #define g_mutex_new() G_THREAD_UF (mutex_new, ())
2762 #define g_mutex_lock(mutex) G_THREAD_CF (mutex_lock, (void)0, (mutex))
2763 #define g_mutex_trylock(mutex) G_THREAD_CF (mutex_trylock, TRUE, (mutex))
2764 #define g_mutex_unlock(mutex) G_THREAD_CF (mutex_unlock, (void)0, (mutex))
2765 #define g_mutex_free(mutex) G_THREAD_CF (mutex_free, (void)0, (mutex))
2766 #define g_cond_new() G_THREAD_UF (cond_new, ())
2767 #define g_cond_signal(cond) G_THREAD_CF (cond_signal, (void)0, (cond))
2768 #define g_cond_broadcast(cond) G_THREAD_CF (cond_broadcast, (void)0, (cond))
2769 #define g_cond_wait(cond, mutex) G_THREAD_CF (cond_wait, (void)0, (cond, \
2771 #define g_cond_free(cond) G_THREAD_CF (cond_free, (void)0, (cond))
2772 #define g_cond_timed_wait(cond, mutex, abs_time) G_THREAD_CF (cond_timed_wait, \
2776 #define g_private_new(destructor) G_THREAD_UF (private_new, (destructor))
2777 #define g_private_get(private_key) G_THREAD_CF (private_get, \
2778 ((gpointer)private_key), \
2780 #define g_private_set(private_key, value) G_THREAD_CF (private_set, \
2781 (void) (private_key = \
2782 (GPrivate*) (value)), \
2783 (private_key, value))
2784 /* GStaticMutexes can be statically initialized with the value
2785 * G_STATIC_MUTEX_INIT, and then they can directly be used, that is
2786 * much easier, than having to explicitly allocate the mutex before
2789 #define g_static_mutex_lock(mutex) \
2790 g_mutex_lock (g_static_mutex_get_mutex (mutex))
2791 #define g_static_mutex_trylock(mutex) \
2792 g_mutex_trylock (g_static_mutex_get_mutex (mutex))
2793 #define g_static_mutex_unlock(mutex) \
2794 g_mutex_unlock (g_static_mutex_get_mutex (mutex))
2795 struct _GStaticPrivate
2799 #define G_STATIC_PRIVATE_INIT { 0 }
2800 gpointer g_static_private_get (GStaticPrivate *private_key);
2801 void g_static_private_set (GStaticPrivate *private_key,
2803 GDestroyNotify notify);
2805 /* these are some convenience macros that expand to nothing if GLib
2806 * was configured with --disable-threads. for using StaticMutexes,
2807 * you define them with G_LOCK_DEFINE_STATIC (name) or G_LOCK_DEFINE (name)
2808 * if you need to export the mutex. With G_LOCK_EXTERN (name) you can
2809 * declare such an globally defined lock. name is a unique identifier
2810 * for the protected varibale or code portion. locking, testing and
2811 * unlocking of such mutexes can be done with G_LOCK(), G_UNLOCK() and
2812 * G_TRYLOCK() respectively.
2814 extern void glib_dummy_decl (void);
2815 #define G_LOCK_NAME(name) (g__ ## name ## _lock)
2816 #ifdef G_THREADS_ENABLED
2817 # define G_LOCK_DEFINE_STATIC(name) static G_LOCK_DEFINE (name)
2818 # define G_LOCK_DEFINE(name) \
2819 GStaticMutex G_LOCK_NAME (name) = G_STATIC_MUTEX_INIT
2820 # define G_LOCK_EXTERN(name) extern GStaticMutex G_LOCK_NAME (name)
2822 # ifdef G_DEBUG_LOCKS
2823 # define G_LOCK(name) G_STMT_START{ \
2824 g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
2825 "file %s: line %d (%s): locking: %s ", \
2826 __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \
2828 g_static_mutex_lock (&G_LOCK_NAME (name)); \
2830 # define G_UNLOCK(name) G_STMT_START{ \
2831 g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
2832 "file %s: line %d (%s): unlocking: %s ", \
2833 __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \
2835 g_static_mutex_unlock (&G_LOCK_NAME (name)); \
2837 # define G_TRYLOCK(name) G_STMT_START{ \
2838 g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
2839 "file %s: line %d (%s): try locking: %s ", \
2840 __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \
2842 }G_STMT_END, g_static_mutex_trylock (&G_LOCK_NAME (name))
2843 # else /* !G_DEBUG_LOCKS */
2844 # define G_LOCK(name) g_static_mutex_lock (&G_LOCK_NAME (name))
2845 # define G_UNLOCK(name) g_static_mutex_unlock (&G_LOCK_NAME (name))
2846 # define G_TRYLOCK(name) g_static_mutex_trylock (&G_LOCK_NAME (name))
2847 # endif /* !G_DEBUG_LOCKS */
2848 #else /* !G_THREADS_ENABLED */
2849 # define G_LOCK_DEFINE_STATIC(name) extern void glib_dummy_decl (void)
2850 # define G_LOCK_DEFINE(name) extern void glib_dummy_decl (void)
2851 # define G_LOCK_EXTERN(name) extern void glib_dummy_decl (void)
2852 # define G_LOCK(name)
2853 # define G_UNLOCK(name)
2854 # define G_TRYLOCK(name) (FALSE)
2855 #endif /* !G_THREADS_ENABLED */
2859 #endif /* __cplusplus */
2862 #endif /* __G_LIB_H__ */