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 _GRelation GRelation;
689 typedef struct _GScanner GScanner;
690 typedef struct _GScannerConfig GScannerConfig;
691 typedef struct _GSList GSList;
692 typedef struct _GString GString;
693 typedef struct _GStringChunk GStringChunk;
694 typedef struct _GTimer GTimer;
695 typedef struct _GTree GTree;
696 typedef struct _GTuples GTuples;
697 typedef union _GTokenValue GTokenValue;
698 typedef struct _GIOChannel GIOChannel;
702 G_TRAVERSE_LEAFS = 1 << 0,
703 G_TRAVERSE_NON_LEAFS = 1 << 1,
704 G_TRAVERSE_ALL = G_TRAVERSE_LEAFS | G_TRAVERSE_NON_LEAFS,
705 G_TRAVERSE_MASK = 0x03
716 /* Log level shift offset for user defined
717 * log levels (0-7 are used by GLib).
719 #define G_LOG_LEVEL_USER_SHIFT (8)
721 /* Glib log levels and flags.
726 G_LOG_FLAG_RECURSION = 1 << 0,
727 G_LOG_FLAG_FATAL = 1 << 1,
729 /* GLib log levels */
730 G_LOG_LEVEL_ERROR = 1 << 2, /* always fatal */
731 G_LOG_LEVEL_CRITICAL = 1 << 3,
732 G_LOG_LEVEL_WARNING = 1 << 4,
733 G_LOG_LEVEL_MESSAGE = 1 << 5,
734 G_LOG_LEVEL_INFO = 1 << 6,
735 G_LOG_LEVEL_DEBUG = 1 << 7,
737 G_LOG_LEVEL_MASK = ~(G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL)
740 /* GLib log levels that are considered fatal by default */
741 #define G_LOG_FATAL_MASK (G_LOG_FLAG_RECURSION | G_LOG_LEVEL_ERROR)
744 typedef gpointer (*GCacheNewFunc) (gpointer key);
745 typedef gpointer (*GCacheDupFunc) (gpointer value);
746 typedef void (*GCacheDestroyFunc) (gpointer value);
747 typedef gint (*GCompareFunc) (gconstpointer a,
749 typedef gchar* (*GCompletionFunc) (gpointer);
750 typedef void (*GDestroyNotify) (gpointer data);
751 typedef void (*GDataForeachFunc) (GQuark key_id,
754 typedef void (*GFunc) (gpointer data,
756 typedef guint (*GHashFunc) (gconstpointer key);
757 typedef void (*GFreeFunc) (gpointer data);
758 typedef void (*GHFunc) (gpointer key,
761 typedef gboolean (*GHRFunc) (gpointer key,
764 typedef gint (*GHookCompareFunc) (GHook *new_hook,
766 typedef gboolean (*GHookFindFunc) (GHook *hook,
768 typedef void (*GHookMarshaller) (GHook *hook,
770 typedef gboolean (*GHookCheckMarshaller) (GHook *hook,
772 typedef void (*GHookFunc) (gpointer data);
773 typedef gboolean (*GHookCheckFunc) (gpointer data);
774 typedef void (*GHookFreeFunc) (GHookList *hook_list,
776 typedef void (*GLogFunc) (const gchar *log_domain,
777 GLogLevelFlags log_level,
778 const gchar *message,
780 typedef gboolean (*GNodeTraverseFunc) (GNode *node,
782 typedef void (*GNodeForeachFunc) (GNode *node,
784 typedef gint (*GSearchFunc) (gpointer key,
786 typedef void (*GScannerMsgFunc) (GScanner *scanner,
789 typedef gint (*GTraverseFunc) (gpointer key,
792 typedef void (*GVoidFunc) (void);
844 /* Doubly linked lists
846 void g_list_push_allocator (GAllocator *allocator);
847 void g_list_pop_allocator (void);
848 GList* g_list_alloc (void);
849 void g_list_free (GList *list);
850 void g_list_free_1 (GList *list);
851 GList* g_list_append (GList *list,
853 GList* g_list_prepend (GList *list,
855 GList* g_list_insert (GList *list,
858 GList* g_list_insert_sorted (GList *list,
861 GList* g_list_concat (GList *list1,
863 GList* g_list_remove (GList *list,
865 GList* g_list_remove_link (GList *list,
867 GList* g_list_reverse (GList *list);
868 GList* g_list_copy (GList *list);
869 GList* g_list_nth (GList *list,
871 GList* g_list_find (GList *list,
873 GList* g_list_find_custom (GList *list,
876 gint g_list_position (GList *list,
878 gint g_list_index (GList *list,
880 GList* g_list_last (GList *list);
881 GList* g_list_first (GList *list);
882 guint g_list_length (GList *list);
883 void g_list_foreach (GList *list,
886 GList* g_list_sort (GList *list,
887 GCompareFunc compare_func);
888 gpointer g_list_nth_data (GList *list,
890 #define g_list_previous(list) ((list) ? (((GList *)(list))->prev) : NULL)
891 #define g_list_next(list) ((list) ? (((GList *)(list))->next) : NULL)
894 /* Singly linked lists
896 void g_slist_push_allocator (GAllocator *allocator);
897 void g_slist_pop_allocator (void);
898 GSList* g_slist_alloc (void);
899 void g_slist_free (GSList *list);
900 void g_slist_free_1 (GSList *list);
901 GSList* g_slist_append (GSList *list,
903 GSList* g_slist_prepend (GSList *list,
905 GSList* g_slist_insert (GSList *list,
908 GSList* g_slist_insert_sorted (GSList *list,
911 GSList* g_slist_concat (GSList *list1,
913 GSList* g_slist_remove (GSList *list,
915 GSList* g_slist_remove_link (GSList *list,
917 GSList* g_slist_reverse (GSList *list);
918 GSList* g_slist_copy (GSList *list);
919 GSList* g_slist_nth (GSList *list,
921 GSList* g_slist_find (GSList *list,
923 GSList* g_slist_find_custom (GSList *list,
926 gint g_slist_position (GSList *list,
928 gint g_slist_index (GSList *list,
930 GSList* g_slist_last (GSList *list);
931 guint g_slist_length (GSList *list);
932 void g_slist_foreach (GSList *list,
935 GSList* g_slist_sort (GSList *list,
936 GCompareFunc compare_func);
937 gpointer g_slist_nth_data (GSList *list,
939 #define g_slist_next(slist) ((slist) ? (((GSList *)(slist))->next) : NULL)
944 GHashTable* g_hash_table_new (GHashFunc hash_func,
945 GCompareFunc key_compare_func);
946 void g_hash_table_destroy (GHashTable *hash_table);
947 void g_hash_table_insert (GHashTable *hash_table,
950 void g_hash_table_remove (GHashTable *hash_table,
952 gpointer g_hash_table_lookup (GHashTable *hash_table,
954 gboolean g_hash_table_lookup_extended(GHashTable *hash_table,
955 gconstpointer lookup_key,
958 void g_hash_table_freeze (GHashTable *hash_table);
959 void g_hash_table_thaw (GHashTable *hash_table);
960 void g_hash_table_foreach (GHashTable *hash_table,
963 guint g_hash_table_foreach_remove (GHashTable *hash_table,
966 guint g_hash_table_size (GHashTable *hash_table);
971 GCache* g_cache_new (GCacheNewFunc value_new_func,
972 GCacheDestroyFunc value_destroy_func,
973 GCacheDupFunc key_dup_func,
974 GCacheDestroyFunc key_destroy_func,
975 GHashFunc hash_key_func,
976 GHashFunc hash_value_func,
977 GCompareFunc key_compare_func);
978 void g_cache_destroy (GCache *cache);
979 gpointer g_cache_insert (GCache *cache,
981 void g_cache_remove (GCache *cache,
983 void g_cache_key_foreach (GCache *cache,
986 void g_cache_value_foreach (GCache *cache,
991 /* Balanced binary trees
993 GTree* g_tree_new (GCompareFunc key_compare_func);
994 void g_tree_destroy (GTree *tree);
995 void g_tree_insert (GTree *tree,
998 void g_tree_remove (GTree *tree,
1000 gpointer g_tree_lookup (GTree *tree,
1002 void g_tree_traverse (GTree *tree,
1003 GTraverseFunc traverse_func,
1004 GTraverseType traverse_type,
1006 gpointer g_tree_search (GTree *tree,
1007 GSearchFunc search_func,
1009 gint g_tree_height (GTree *tree);
1010 gint g_tree_nnodes (GTree *tree);
1014 /* N-way tree implementation
1025 #define G_NODE_IS_ROOT(node) (((GNode*) (node))->parent == NULL && \
1026 ((GNode*) (node))->prev == NULL && \
1027 ((GNode*) (node))->next == NULL)
1028 #define G_NODE_IS_LEAF(node) (((GNode*) (node))->children == NULL)
1030 void g_node_push_allocator (GAllocator *allocator);
1031 void g_node_pop_allocator (void);
1032 GNode* g_node_new (gpointer data);
1033 void g_node_destroy (GNode *root);
1034 void g_node_unlink (GNode *node);
1035 GNode* g_node_insert (GNode *parent,
1038 GNode* g_node_insert_before (GNode *parent,
1041 GNode* g_node_prepend (GNode *parent,
1043 guint g_node_n_nodes (GNode *root,
1044 GTraverseFlags flags);
1045 GNode* g_node_get_root (GNode *node);
1046 gboolean g_node_is_ancestor (GNode *node,
1048 guint g_node_depth (GNode *node);
1049 GNode* g_node_find (GNode *root,
1050 GTraverseType order,
1051 GTraverseFlags flags,
1054 /* convenience macros */
1055 #define g_node_append(parent, node) \
1056 g_node_insert_before ((parent), NULL, (node))
1057 #define g_node_insert_data(parent, position, data) \
1058 g_node_insert ((parent), (position), g_node_new (data))
1059 #define g_node_insert_data_before(parent, sibling, data) \
1060 g_node_insert_before ((parent), (sibling), g_node_new (data))
1061 #define g_node_prepend_data(parent, data) \
1062 g_node_prepend ((parent), g_node_new (data))
1063 #define g_node_append_data(parent, data) \
1064 g_node_insert_before ((parent), NULL, g_node_new (data))
1066 /* traversal function, assumes that `node' is root
1067 * (only traverses `node' and its subtree).
1068 * this function is just a high level interface to
1069 * low level traversal functions, optimized for speed.
1071 void g_node_traverse (GNode *root,
1072 GTraverseType order,
1073 GTraverseFlags flags,
1075 GNodeTraverseFunc func,
1078 /* return the maximum tree height starting with `node', this is an expensive
1079 * operation, since we need to visit all nodes. this could be shortened by
1080 * adding `guint height' to struct _GNode, but then again, this is not very
1081 * often needed, and would make g_node_insert() more time consuming.
1083 guint g_node_max_height (GNode *root);
1085 void g_node_children_foreach (GNode *node,
1086 GTraverseFlags flags,
1087 GNodeForeachFunc func,
1089 void g_node_reverse_children (GNode *node);
1090 guint g_node_n_children (GNode *node);
1091 GNode* g_node_nth_child (GNode *node,
1093 GNode* g_node_last_child (GNode *node);
1094 GNode* g_node_find_child (GNode *node,
1095 GTraverseFlags flags,
1097 gint g_node_child_position (GNode *node,
1099 gint g_node_child_index (GNode *node,
1102 GNode* g_node_first_sibling (GNode *node);
1103 GNode* g_node_last_sibling (GNode *node);
1105 #define g_node_prev_sibling(node) ((node) ? \
1106 ((GNode*) (node))->prev : NULL)
1107 #define g_node_next_sibling(node) ((node) ? \
1108 ((GNode*) (node))->next : NULL)
1109 #define g_node_first_child(node) ((node) ? \
1110 ((GNode*) (node))->children : NULL)
1113 /* Callback maintenance functions
1115 #define G_HOOK_FLAG_USER_SHIFT (4)
1118 G_HOOK_FLAG_ACTIVE = 1 << 0,
1119 G_HOOK_FLAG_IN_CALL = 1 << 1,
1120 G_HOOK_FLAG_MASK = 0x0f
1123 #define G_HOOK_DEFERRED_DESTROY ((GHookFreeFunc) 0x01)
1131 GMemChunk *hook_memchunk;
1132 GHookFreeFunc hook_free; /* virtual function */
1133 GHookFreeFunc hook_destroy; /* virtual function */
1145 GDestroyNotify destroy;
1148 #define G_HOOK_ACTIVE(hook) ((((GHook*) hook)->flags & \
1149 G_HOOK_FLAG_ACTIVE) != 0)
1150 #define G_HOOK_IN_CALL(hook) ((((GHook*) hook)->flags & \
1151 G_HOOK_FLAG_IN_CALL) != 0)
1152 #define G_HOOK_IS_VALID(hook) (((GHook*) hook)->hook_id != 0 && \
1153 G_HOOK_ACTIVE (hook))
1154 #define G_HOOK_IS_UNLINKED(hook) (((GHook*) hook)->next == NULL && \
1155 ((GHook*) hook)->prev == NULL && \
1156 ((GHook*) hook)->hook_id == 0 && \
1157 ((GHook*) hook)->ref_count == 0)
1159 void g_hook_list_init (GHookList *hook_list,
1161 void g_hook_list_clear (GHookList *hook_list);
1162 GHook* g_hook_alloc (GHookList *hook_list);
1163 void g_hook_free (GHookList *hook_list,
1165 void g_hook_ref (GHookList *hook_list,
1167 void g_hook_unref (GHookList *hook_list,
1169 gboolean g_hook_destroy (GHookList *hook_list,
1171 void g_hook_destroy_link (GHookList *hook_list,
1173 void g_hook_prepend (GHookList *hook_list,
1175 void g_hook_insert_before (GHookList *hook_list,
1178 void g_hook_insert_sorted (GHookList *hook_list,
1180 GHookCompareFunc func);
1181 GHook* g_hook_get (GHookList *hook_list,
1183 GHook* g_hook_find (GHookList *hook_list,
1184 gboolean need_valids,
1187 GHook* g_hook_find_data (GHookList *hook_list,
1188 gboolean need_valids,
1190 GHook* g_hook_find_func (GHookList *hook_list,
1191 gboolean need_valids,
1193 GHook* g_hook_find_func_data (GHookList *hook_list,
1194 gboolean need_valids,
1197 /* return the first valid hook, and increment its reference count */
1198 GHook* g_hook_first_valid (GHookList *hook_list,
1199 gboolean may_be_in_call);
1200 /* return the next valid hook with incremented reference count, and
1201 * decrement the reference count of the original hook
1203 GHook* g_hook_next_valid (GHookList *hook_list,
1205 gboolean may_be_in_call);
1207 /* GHookCompareFunc implementation to insert hooks sorted by their id */
1208 gint g_hook_compare_ids (GHook *new_hook,
1211 /* convenience macros */
1212 #define g_hook_append( hook_list, hook ) \
1213 g_hook_insert_before ((hook_list), NULL, (hook))
1215 /* invoke all valid hooks with the (*GHookFunc) signature.
1217 void g_hook_list_invoke (GHookList *hook_list,
1218 gboolean may_recurse);
1219 /* invoke all valid hooks with the (*GHookCheckFunc) signature,
1220 * and destroy the hook if FALSE is returned.
1222 void g_hook_list_invoke_check (GHookList *hook_list,
1223 gboolean may_recurse);
1224 /* invoke a marshaller on all valid hooks.
1226 void g_hook_list_marshal (GHookList *hook_list,
1227 gboolean may_recurse,
1228 GHookMarshaller marshaller,
1230 void g_hook_list_marshal_check (GHookList *hook_list,
1231 gboolean may_recurse,
1232 GHookCheckMarshaller marshaller,
1236 /* Fatal error handlers.
1237 * g_on_error_query() will prompt the user to either
1238 * [E]xit, [H]alt, [P]roceed or show [S]tack trace.
1239 * g_on_error_stack_trace() invokes gdb, which attaches to the current
1240 * process and shows a stack trace.
1241 * These function may cause different actions on non-unix platforms.
1242 * The prg_name arg is required by gdb to find the executable, if it is
1243 * passed as NULL, g_on_error_query() will try g_get_prgname().
1245 void g_on_error_query (const gchar *prg_name);
1246 void g_on_error_stack_trace (const gchar *prg_name);
1249 /* Logging mechanism
1251 extern const gchar *g_log_domain_glib;
1252 guint g_log_set_handler (const gchar *log_domain,
1253 GLogLevelFlags log_levels,
1255 gpointer user_data);
1256 void g_log_remove_handler (const gchar *log_domain,
1258 void g_log_default_handler (const gchar *log_domain,
1259 GLogLevelFlags log_level,
1260 const gchar *message,
1261 gpointer unused_data);
1262 void g_log (const gchar *log_domain,
1263 GLogLevelFlags log_level,
1264 const gchar *format,
1265 ...) G_GNUC_PRINTF (3, 4);
1266 void g_logv (const gchar *log_domain,
1267 GLogLevelFlags log_level,
1268 const gchar *format,
1270 GLogLevelFlags g_log_set_fatal_mask (const gchar *log_domain,
1271 GLogLevelFlags fatal_mask);
1272 GLogLevelFlags g_log_set_always_fatal (GLogLevelFlags fatal_mask);
1273 #ifndef G_LOG_DOMAIN
1274 #define G_LOG_DOMAIN ((gchar*) 0)
1275 #endif /* G_LOG_DOMAIN */
1277 #define g_error(format, args...) g_log (G_LOG_DOMAIN, \
1278 G_LOG_LEVEL_ERROR, \
1280 #define g_message(format, args...) g_log (G_LOG_DOMAIN, \
1281 G_LOG_LEVEL_MESSAGE, \
1283 #define g_warning(format, args...) g_log (G_LOG_DOMAIN, \
1284 G_LOG_LEVEL_WARNING, \
1286 #else /* !__GNUC__ */
1288 g_error (const gchar *format,
1292 va_start (args, format);
1293 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, format, args);
1297 g_message (const gchar *format,
1301 va_start (args, format);
1302 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, format, args);
1306 g_warning (const gchar *format,
1310 va_start (args, format);
1311 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, format, args);
1314 #endif /* !__GNUC__ */
1316 typedef void (*GPrintFunc) (const gchar *string);
1317 void g_print (const gchar *format,
1318 ...) G_GNUC_PRINTF (1, 2);
1319 GPrintFunc g_set_print_handler (GPrintFunc func);
1320 void g_printerr (const gchar *format,
1321 ...) G_GNUC_PRINTF (1, 2);
1322 GPrintFunc g_set_printerr_handler (GPrintFunc func);
1324 /* deprecated compatibility functions, use g_log_set_handler() instead */
1325 typedef void (*GErrorFunc) (const gchar *str);
1326 typedef void (*GWarningFunc) (const gchar *str);
1327 GErrorFunc g_set_error_handler (GErrorFunc func);
1328 GWarningFunc g_set_warning_handler (GWarningFunc func);
1329 GPrintFunc g_set_message_handler (GPrintFunc func);
1332 /* Memory allocation and debugging
1336 #define g_malloc(size) ((gpointer) MALLOC (size))
1337 #define g_malloc0(size) ((gpointer) CALLOC (char, size))
1338 #define g_realloc(mem,size) ((gpointer) REALLOC (mem, char, size))
1339 #define g_free(mem) FREE (mem)
1341 #else /* !USE_DMALLOC */
1343 gpointer g_malloc (gulong size);
1344 gpointer g_malloc0 (gulong size);
1345 gpointer g_realloc (gpointer mem,
1347 void g_free (gpointer mem);
1349 #endif /* !USE_DMALLOC */
1351 void g_mem_profile (void);
1352 void g_mem_check (gpointer mem);
1354 /* Generic allocators
1356 GAllocator* g_allocator_new (const gchar *name,
1358 void g_allocator_free (GAllocator *allocator);
1360 #define G_ALLOCATOR_LIST (1)
1361 #define G_ALLOCATOR_SLIST (2)
1362 #define G_ALLOCATOR_NODE (3)
1365 /* "g_mem_chunk_new" creates a new memory chunk.
1366 * Memory chunks are used to allocate pieces of memory which are
1367 * always the same size. Lists are a good example of such a data type.
1368 * The memory chunk allocates and frees blocks of memory as needed.
1369 * Just be sure to call "g_mem_chunk_free" and not "g_free" on data
1370 * allocated in a mem chunk. ("g_free" will most likely cause a seg
1371 * fault...somewhere).
1373 * Oh yeah, GMemChunk is an opaque data type. (You don't really
1374 * want to know what's going on inside do you?)
1377 /* ALLOC_ONLY MemChunk's can only allocate memory. The free operation
1378 * is interpreted as a no op. ALLOC_ONLY MemChunk's save 4 bytes per
1379 * atom. (They are also useful for lists which use MemChunk to allocate
1380 * memory but are also part of the MemChunk implementation).
1381 * ALLOC_AND_FREE MemChunk's can allocate and free memory.
1384 #define G_ALLOC_ONLY 1
1385 #define G_ALLOC_AND_FREE 2
1387 GMemChunk* g_mem_chunk_new (gchar *name,
1391 void g_mem_chunk_destroy (GMemChunk *mem_chunk);
1392 gpointer g_mem_chunk_alloc (GMemChunk *mem_chunk);
1393 gpointer g_mem_chunk_alloc0 (GMemChunk *mem_chunk);
1394 void g_mem_chunk_free (GMemChunk *mem_chunk,
1396 void g_mem_chunk_clean (GMemChunk *mem_chunk);
1397 void g_mem_chunk_reset (GMemChunk *mem_chunk);
1398 void g_mem_chunk_print (GMemChunk *mem_chunk);
1399 void g_mem_chunk_info (void);
1401 /* Ah yes...we have a "g_blow_chunks" function.
1402 * "g_blow_chunks" simply compresses all the chunks. This operation
1403 * consists of freeing every memory area that should be freed (but
1404 * which we haven't gotten around to doing yet). And, no,
1405 * "g_blow_chunks" doesn't follow the naming scheme, but it is a
1406 * much better name than "g_mem_chunk_clean_all" or something
1409 void g_blow_chunks (void);
1414 GTimer* g_timer_new (void);
1415 void g_timer_destroy (GTimer *timer);
1416 void g_timer_start (GTimer *timer);
1417 void g_timer_stop (GTimer *timer);
1418 void g_timer_reset (GTimer *timer);
1419 gdouble g_timer_elapsed (GTimer *timer,
1420 gulong *microseconds);
1423 /* String utility functions that modify a string argument or
1424 * return a constant string that must not be freed.
1426 #define G_STR_DELIMITERS "_-|> <."
1427 gchar* g_strdelimit (gchar *string,
1428 const gchar *delimiters,
1429 gchar new_delimiter);
1430 gdouble g_strtod (const gchar *nptr,
1432 gchar* g_strerror (gint errnum);
1433 gchar* g_strsignal (gint signum);
1434 gint g_strcasecmp (const gchar *s1,
1436 gint g_strncasecmp (const gchar *s1,
1439 void g_strdown (gchar *string);
1440 void g_strup (gchar *string);
1441 void g_strreverse (gchar *string);
1442 /* removes leading spaces */
1443 gchar* g_strchug (gchar *string);
1444 /* removes trailing spaces */
1445 gchar* g_strchomp (gchar *string);
1446 /* removes leading & trailing spaces */
1447 #define g_strstrip( string ) g_strchomp (g_strchug (string))
1449 /* String utility functions that return a newly allocated string which
1450 * ought to be freed from the caller at some point.
1452 gchar* g_strdup (const gchar *str);
1453 gchar* g_strdup_printf (const gchar *format,
1454 ...) G_GNUC_PRINTF (1, 2);
1455 gchar* g_strdup_vprintf (const gchar *format,
1457 gchar* g_strndup (const gchar *str,
1459 gchar* g_strnfill (guint length,
1461 gchar* g_strconcat (const gchar *string1,
1462 ...); /* NULL terminated */
1463 gchar* g_strjoin (const gchar *separator,
1464 ...); /* NULL terminated */
1465 gchar* g_strescape (gchar *string);
1466 gpointer g_memdup (gconstpointer mem,
1469 /* NULL terminated string arrays.
1470 * g_strsplit() splits up string into max_tokens tokens at delim and
1471 * returns a newly allocated string array.
1472 * g_strjoinv() concatenates all of str_array's strings, sliding in an
1473 * optional separator, the returned string is newly allocated.
1474 * g_strfreev() frees the array itself and all of its strings.
1476 gchar** g_strsplit (const gchar *string,
1477 const gchar *delimiter,
1479 gchar* g_strjoinv (const gchar *separator,
1481 void g_strfreev (gchar **str_array);
1485 /* calculate a string size, guarranteed to fit format + args.
1487 guint g_printf_string_upper_bound (const gchar* format,
1491 /* Retrive static string info
1493 gchar* g_get_user_name (void);
1494 gchar* g_get_real_name (void);
1495 gchar* g_get_home_dir (void);
1496 gchar* g_get_tmp_dir (void);
1497 gchar* g_get_prgname (void);
1498 void g_set_prgname (const gchar *prgname);
1501 /* Miscellaneous utility functions
1503 guint g_parse_debug_string (const gchar *string,
1506 gint g_snprintf (gchar *string,
1508 gchar const *format,
1509 ...) G_GNUC_PRINTF (3, 4);
1510 gint g_vsnprintf (gchar *string,
1512 gchar const *format,
1514 gchar* g_basename (const gchar *file_name);
1515 /* Check if a file name is an absolute path */
1516 gboolean g_path_is_absolute (const gchar *file_name);
1517 /* In case of absolute paths, skip the root part */
1518 gchar* g_path_skip_root (gchar *file_name);
1520 /* strings are newly allocated with g_malloc() */
1521 gchar* g_dirname (const gchar *file_name);
1522 gchar* g_get_current_dir (void);
1523 gchar* g_getenv (const gchar *variable);
1526 /* we use a GLib function as a replacement for ATEXIT, so
1527 * the programmer is not required to check the return value
1528 * (if there is any in the implementation) and doesn't encounter
1529 * missing include files.
1531 void g_atexit (GVoidFunc func);
1536 G_INLINE_FUNC gint g_bit_nth_lsf (guint32 mask,
1540 g_bit_nth_lsf (guint32 mask,
1546 if (mask & (1 << (guint) nth_bit))
1549 while (nth_bit < 32);
1552 #endif /* G_CAN_INLINE */
1554 G_INLINE_FUNC gint g_bit_nth_msf (guint32 mask,
1558 g_bit_nth_msf (guint32 mask,
1566 if (mask & (1 << (guint) nth_bit))
1569 while (nth_bit > 0);
1572 #endif /* G_CAN_INLINE */
1574 G_INLINE_FUNC guint g_bit_storage (guint number);
1577 g_bit_storage (guint number)
1579 register guint n_bits = 0;
1589 #endif /* G_CAN_INLINE */
1593 GStringChunk* g_string_chunk_new (gint size);
1594 void g_string_chunk_free (GStringChunk *chunk);
1595 gchar* g_string_chunk_insert (GStringChunk *chunk,
1596 const gchar *string);
1597 gchar* g_string_chunk_insert_const (GStringChunk *chunk,
1598 const gchar *string);
1603 GString* g_string_new (const gchar *init);
1604 GString* g_string_sized_new (guint dfl_size);
1605 void g_string_free (GString *string,
1607 GString* g_string_assign (GString *lval,
1609 GString* g_string_truncate (GString *string,
1611 GString* g_string_append (GString *string,
1613 GString* g_string_append_c (GString *string,
1615 GString* g_string_prepend (GString *string,
1617 GString* g_string_prepend_c (GString *string,
1619 GString* g_string_insert (GString *string,
1622 GString* g_string_insert_c (GString *string,
1625 GString* g_string_erase (GString *string,
1628 GString* g_string_down (GString *string);
1629 GString* g_string_up (GString *string);
1630 void g_string_sprintf (GString *string,
1631 const gchar *format,
1632 ...) G_GNUC_PRINTF (2, 3);
1633 void g_string_sprintfa (GString *string,
1634 const gchar *format,
1635 ...) G_GNUC_PRINTF (2, 3);
1638 /* Resizable arrays, remove fills any cleared spot and shortens the
1639 * array, while preserving the order. remove_fast will distort the
1640 * order by moving the last element to the position of the removed
1643 #define g_array_append_val(a,v) g_array_append_vals (a, &v, 1)
1644 #define g_array_prepend_val(a,v) g_array_prepend_vals (a, &v, 1)
1645 #define g_array_insert_val(a,i,v) g_array_insert_vals (a, i, &v, 1)
1646 #define g_array_index(a,t,i) (((t*) (a)->data) [(i)])
1648 GArray* g_array_new (gboolean zero_terminated,
1650 guint element_size);
1651 void g_array_free (GArray *array,
1652 gboolean free_segment);
1653 GArray* g_array_append_vals (GArray *array,
1656 GArray* g_array_prepend_vals (GArray *array,
1659 GArray* g_array_insert_vals (GArray *array,
1663 GArray* g_array_set_size (GArray *array,
1665 GArray* g_array_remove_index (GArray *array,
1667 GArray* g_array_remove_index_fast (GArray *array,
1670 /* Resizable pointer array. This interface is much less complicated
1671 * than the above. Add appends appends a pointer. Remove fills any
1672 * cleared spot and shortens the array. remove_fast will again distort
1675 #define g_ptr_array_index(array,index) (array->pdata)[index]
1676 GPtrArray* g_ptr_array_new (void);
1677 void g_ptr_array_free (GPtrArray *array,
1679 void g_ptr_array_set_size (GPtrArray *array,
1681 gpointer g_ptr_array_remove_index (GPtrArray *array,
1683 gpointer g_ptr_array_remove_index_fast (GPtrArray *array,
1685 gboolean g_ptr_array_remove (GPtrArray *array,
1687 gboolean g_ptr_array_remove_fast (GPtrArray *array,
1689 void g_ptr_array_add (GPtrArray *array,
1692 /* Byte arrays, an array of guint8. Implemented as a GArray,
1696 GByteArray* g_byte_array_new (void);
1697 void g_byte_array_free (GByteArray *array,
1698 gboolean free_segment);
1699 GByteArray* g_byte_array_append (GByteArray *array,
1702 GByteArray* g_byte_array_prepend (GByteArray *array,
1705 GByteArray* g_byte_array_set_size (GByteArray *array,
1707 GByteArray* g_byte_array_remove_index (GByteArray *array,
1709 GByteArray* g_byte_array_remove_index_fast (GByteArray *array,
1715 gint g_str_equal (gconstpointer v,
1717 guint g_str_hash (gconstpointer v);
1719 gint g_int_equal (gconstpointer v,
1721 guint g_int_hash (gconstpointer v);
1723 /* This "hash" function will just return the key's adress as an
1724 * unsigned integer. Useful for hashing on plain adresses or
1725 * simple integer values.
1726 * passing NULL into g_hash_table_new() as GHashFunc has the
1727 * same effect as passing g_direct_hash().
1729 guint g_direct_hash (gconstpointer v);
1730 gint g_direct_equal (gconstpointer v,
1734 /* Quarks (string<->id association)
1736 GQuark g_quark_try_string (const gchar *string);
1737 GQuark g_quark_from_static_string (const gchar *string);
1738 GQuark g_quark_from_string (const gchar *string);
1739 gchar* g_quark_to_string (GQuark quark);
1744 void g_datalist_init (GData **datalist);
1745 void g_datalist_clear (GData **datalist);
1746 gpointer g_datalist_id_get_data (GData **datalist,
1748 void g_datalist_id_set_data_full (GData **datalist,
1751 GDestroyNotify destroy_func);
1752 void g_datalist_id_remove_no_notify (GData **datalist,
1754 void g_datalist_foreach (GData **datalist,
1755 GDataForeachFunc func,
1756 gpointer user_data);
1757 #define g_datalist_id_set_data(dl, q, d) \
1758 g_datalist_id_set_data_full ((dl), (q), (d), NULL)
1759 #define g_datalist_id_remove_data(dl, q) \
1760 g_datalist_id_set_data ((dl), (q), NULL)
1761 #define g_datalist_get_data(dl, k) \
1762 (g_datalist_id_get_data ((dl), g_quark_try_string (k)))
1763 #define g_datalist_set_data_full(dl, k, d, f) \
1764 g_datalist_id_set_data_full ((dl), g_quark_from_string (k), (d), (f))
1765 #define g_datalist_remove_no_notify(dl, k) \
1766 g_datalist_id_remove_no_notify ((dl), g_quark_try_string (k))
1767 #define g_datalist_set_data(dl, k, d) \
1768 g_datalist_set_data_full ((dl), (k), (d), NULL)
1769 #define g_datalist_remove_data(dl, k) \
1770 g_datalist_id_set_data ((dl), g_quark_try_string (k), NULL)
1773 /* Location Associated Keyed Data
1775 void g_dataset_destroy (gconstpointer dataset_location);
1776 gpointer g_dataset_id_get_data (gconstpointer dataset_location,
1778 void g_dataset_id_set_data_full (gconstpointer dataset_location,
1781 GDestroyNotify destroy_func);
1782 void g_dataset_id_remove_no_notify (gconstpointer dataset_location,
1784 void g_dataset_foreach (gconstpointer dataset_location,
1785 GDataForeachFunc func,
1786 gpointer user_data);
1787 #define g_dataset_id_set_data(l, k, d) \
1788 g_dataset_id_set_data_full ((l), (k), (d), NULL)
1789 #define g_dataset_id_remove_data(l, k) \
1790 g_dataset_id_set_data ((l), (k), NULL)
1791 #define g_dataset_get_data(l, k) \
1792 (g_dataset_id_get_data ((l), g_quark_try_string (k)))
1793 #define g_dataset_set_data_full(l, k, d, f) \
1794 g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f))
1795 #define g_dataset_remove_no_notify(l, k) \
1796 g_dataset_id_remove_no_notify ((l), g_quark_try_string (k))
1797 #define g_dataset_set_data(l, k, d) \
1798 g_dataset_set_data_full ((l), (k), (d), NULL)
1799 #define g_dataset_remove_data(l, k) \
1800 g_dataset_id_set_data ((l), g_quark_try_string (k), NULL)
1803 /* GScanner: Flexible lexical scanner for general purpose.
1806 /* Character sets */
1807 #define G_CSET_A_2_Z "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1808 #define G_CSET_a_2_z "abcdefghijklmnopqrstuvwxyz"
1809 #define G_CSET_LATINC "\300\301\302\303\304\305\306"\
1810 "\307\310\311\312\313\314\315\316\317\320"\
1811 "\321\322\323\324\325\326"\
1812 "\330\331\332\333\334\335\336"
1813 #define G_CSET_LATINS "\337\340\341\342\343\344\345\346"\
1814 "\347\350\351\352\353\354\355\356\357\360"\
1815 "\361\362\363\364\365\366"\
1816 "\370\371\372\373\374\375\376\377"
1823 G_ERR_UNEXP_EOF_IN_STRING,
1824 G_ERR_UNEXP_EOF_IN_COMMENT,
1825 G_ERR_NON_DIGIT_IN_CONST,
1828 G_ERR_FLOAT_MALFORMED
1836 G_TOKEN_LEFT_PAREN = '(',
1837 G_TOKEN_RIGHT_PAREN = ')',
1838 G_TOKEN_LEFT_CURLY = '{',
1839 G_TOKEN_RIGHT_CURLY = '}',
1840 G_TOKEN_LEFT_BRACE = '[',
1841 G_TOKEN_RIGHT_BRACE = ']',
1842 G_TOKEN_EQUAL_SIGN = '=',
1843 G_TOKEN_COMMA = ',',
1859 G_TOKEN_IDENTIFIER_NULL,
1861 G_TOKEN_COMMENT_SINGLE,
1862 G_TOKEN_COMMENT_MULTI,
1869 gchar *v_identifier;
1881 struct _GScannerConfig
1885 gchar *cset_skip_characters; /* default: " \t\n" */
1886 gchar *cset_identifier_first;
1887 gchar *cset_identifier_nth;
1888 gchar *cpair_comment_single; /* default: "#\n" */
1890 /* Should symbol lookup work case sensitive?
1892 guint case_sensitive : 1;
1894 /* Boolean values to be adjusted "on the fly"
1895 * to configure scanning behaviour.
1897 guint skip_comment_multi : 1; /* C like comment */
1898 guint skip_comment_single : 1; /* single line comment */
1899 guint scan_comment_multi : 1; /* scan multi line comments? */
1900 guint scan_identifier : 1;
1901 guint scan_identifier_1char : 1;
1902 guint scan_identifier_NULL : 1;
1903 guint scan_symbols : 1;
1904 guint scan_binary : 1;
1905 guint scan_octal : 1;
1906 guint scan_float : 1;
1907 guint scan_hex : 1; /* `0x0ff0' */
1908 guint scan_hex_dollar : 1; /* `$0ff0' */
1909 guint scan_string_sq : 1; /* string: 'anything' */
1910 guint scan_string_dq : 1; /* string: "\\-escapes!\n" */
1911 guint numbers_2_int : 1; /* bin, octal, hex => int */
1912 guint int_2_float : 1; /* int => G_TOKEN_FLOAT? */
1913 guint identifier_2_string : 1;
1914 guint char_2_token : 1; /* return G_TOKEN_CHAR? */
1915 guint symbol_2_token : 1;
1916 guint scope_0_fallback : 1; /* try scope 0 on lookups? */
1923 guint max_parse_errors;
1925 /* g_scanner_error() increments this field */
1928 /* name of input stream, featured by the default message handler */
1929 const gchar *input_name;
1931 /* data pointer for derived structures */
1932 gpointer derived_data;
1934 /* link into the scanner configuration */
1935 GScannerConfig *config;
1937 /* fields filled in after g_scanner_get_next_token() */
1943 /* fields filled in after g_scanner_peek_next_token() */
1944 GTokenType next_token;
1945 GTokenValue next_value;
1947 guint next_position;
1949 /* to be considered private */
1950 GHashTable *symbol_table;
1953 const gchar *text_end;
1957 /* handler function for _warn and _error */
1958 GScannerMsgFunc msg_handler;
1961 GScanner* g_scanner_new (GScannerConfig *config_templ);
1962 void g_scanner_destroy (GScanner *scanner);
1963 void g_scanner_input_file (GScanner *scanner,
1965 void g_scanner_sync_file_offset (GScanner *scanner);
1966 void g_scanner_input_text (GScanner *scanner,
1969 GTokenType g_scanner_get_next_token (GScanner *scanner);
1970 GTokenType g_scanner_peek_next_token (GScanner *scanner);
1971 GTokenType g_scanner_cur_token (GScanner *scanner);
1972 GTokenValue g_scanner_cur_value (GScanner *scanner);
1973 guint g_scanner_cur_line (GScanner *scanner);
1974 guint g_scanner_cur_position (GScanner *scanner);
1975 gboolean g_scanner_eof (GScanner *scanner);
1976 guint g_scanner_set_scope (GScanner *scanner,
1978 void g_scanner_scope_add_symbol (GScanner *scanner,
1980 const gchar *symbol,
1982 void g_scanner_scope_remove_symbol (GScanner *scanner,
1984 const gchar *symbol);
1985 gpointer g_scanner_scope_lookup_symbol (GScanner *scanner,
1987 const gchar *symbol);
1988 void g_scanner_scope_foreach_symbol (GScanner *scanner,
1991 gpointer user_data);
1992 gpointer g_scanner_lookup_symbol (GScanner *scanner,
1993 const gchar *symbol);
1994 void g_scanner_freeze_symbol_table (GScanner *scanner);
1995 void g_scanner_thaw_symbol_table (GScanner *scanner);
1996 void g_scanner_unexp_token (GScanner *scanner,
1997 GTokenType expected_token,
1998 const gchar *identifier_spec,
1999 const gchar *symbol_spec,
2000 const gchar *symbol_name,
2001 const gchar *message,
2003 void g_scanner_error (GScanner *scanner,
2004 const gchar *format,
2005 ...) G_GNUC_PRINTF (2,3);
2006 void g_scanner_warn (GScanner *scanner,
2007 const gchar *format,
2008 ...) G_GNUC_PRINTF (2,3);
2009 gint g_scanner_stat_mode (const gchar *filename);
2010 /* keep downward source compatibility */
2011 #define g_scanner_add_symbol( scanner, symbol, value ) G_STMT_START { \
2012 g_scanner_scope_add_symbol ((scanner), 0, (symbol), (value)); \
2014 #define g_scanner_remove_symbol( scanner, symbol ) G_STMT_START { \
2015 g_scanner_scope_remove_symbol ((scanner), 0, (symbol)); \
2017 #define g_scanner_foreach_symbol( scanner, func, data ) G_STMT_START { \
2018 g_scanner_scope_foreach_symbol ((scanner), 0, (func), (data)); \
2028 GCompletionFunc func;
2034 GCompletion* g_completion_new (GCompletionFunc func);
2035 void g_completion_add_items (GCompletion* cmp,
2037 void g_completion_remove_items (GCompletion* cmp,
2039 void g_completion_clear_items (GCompletion* cmp);
2040 GList* g_completion_complete (GCompletion* cmp,
2042 gchar** new_prefix);
2043 void g_completion_free (GCompletion* cmp);
2048 * Date calculations (not time for now, to be resolved). These are a
2049 * mutant combination of Steffen Beyer's DateCalc routines
2050 * (http://www.perl.com/CPAN/authors/id/STBEY/) and Jon Trowbridge's
2051 * date routines (written for in-house software). Written by Havoc
2052 * Pennington <hp@pobox.com>
2055 typedef guint16 GDateYear;
2056 typedef guint8 GDateDay; /* day of the month */
2057 typedef struct _GDate GDate;
2058 /* make struct tm known without having to include time.h */
2061 /* enum used to specify order of appearance in parsed date strings */
2069 /* actual week and month values */
2072 G_DATE_BAD_WEEKDAY = 0,
2075 G_DATE_WEDNESDAY = 3,
2076 G_DATE_THURSDAY = 4,
2078 G_DATE_SATURDAY = 6,
2083 G_DATE_BAD_MONTH = 0,
2085 G_DATE_FEBRUARY = 2,
2092 G_DATE_SEPTEMBER = 9,
2093 G_DATE_OCTOBER = 10,
2094 G_DATE_NOVEMBER = 11,
2095 G_DATE_DECEMBER = 12
2098 #define G_DATE_BAD_JULIAN 0U
2099 #define G_DATE_BAD_DAY 0U
2100 #define G_DATE_BAD_YEAR 0U
2102 /* Note: directly manipulating structs is generally a bad idea, but
2103 * in this case it's an *incredibly* bad idea, because all or part
2104 * of this struct can be invalid at any given time. Use the functions,
2105 * or you will get hosed, I promise.
2109 guint julian_days : 32; /* julian days representation - we use a
2110 * bitfield hoping that 64 bit platforms
2111 * will pack this whole struct in one big
2115 guint julian : 1; /* julian is valid */
2116 guint dmy : 1; /* dmy is valid */
2118 /* DMY representation */
2124 /* g_date_new() returns an invalid date, you then have to _set() stuff
2125 * to get a usable object. You can also allocate a GDate statically,
2126 * then call g_date_clear() to initialize.
2128 GDate* g_date_new (void);
2129 GDate* g_date_new_dmy (GDateDay day,
2132 GDate* g_date_new_julian (guint32 julian_day);
2133 void g_date_free (GDate *date);
2135 /* check g_date_valid() after doing an operation that might fail, like
2136 * _parse. Almost all g_date operations are undefined on invalid
2137 * dates (the exceptions are the mutators, since you need those to
2138 * return to validity).
2140 gboolean g_date_valid (GDate *date);
2141 gboolean g_date_valid_day (GDateDay day);
2142 gboolean g_date_valid_month (GDateMonth month);
2143 gboolean g_date_valid_year (GDateYear year);
2144 gboolean g_date_valid_weekday (GDateWeekday weekday);
2145 gboolean g_date_valid_julian (guint32 julian_date);
2146 gboolean g_date_valid_dmy (GDateDay day,
2150 GDateWeekday g_date_weekday (GDate *date);
2151 GDateMonth g_date_month (GDate *date);
2152 GDateYear g_date_year (GDate *date);
2153 GDateDay g_date_day (GDate *date);
2154 guint32 g_date_julian (GDate *date);
2155 guint g_date_day_of_year (GDate *date);
2157 /* First monday/sunday is the start of week 1; if we haven't reached
2158 * that day, return 0. These are not ISO weeks of the year; that
2159 * routine needs to be added.
2160 * these functions return the number of weeks, starting on the
2163 guint g_date_monday_week_of_year (GDate *date);
2164 guint g_date_sunday_week_of_year (GDate *date);
2166 /* If you create a static date struct you need to clear it to get it
2167 * in a sane state before use. You can clear a whole array at
2168 * once with the ndates argument.
2170 void g_date_clear (GDate *date,
2173 /* The parse routine is meant for dates typed in by a user, so it
2174 * permits many formats but tries to catch common typos. If your data
2175 * needs to be strictly validated, it is not an appropriate function.
2177 void g_date_set_parse (GDate *date,
2179 void g_date_set_time (GDate *date,
2181 void g_date_set_month (GDate *date,
2183 void g_date_set_day (GDate *date,
2185 void g_date_set_year (GDate *date,
2187 void g_date_set_dmy (GDate *date,
2191 void g_date_set_julian (GDate *date,
2192 guint32 julian_date);
2193 gboolean g_date_is_first_of_month (GDate *date);
2194 gboolean g_date_is_last_of_month (GDate *date);
2196 /* To go forward by some number of weeks just go forward weeks*7 days */
2197 void g_date_add_days (GDate *date,
2199 void g_date_subtract_days (GDate *date,
2202 /* If you add/sub months while day > 28, the day might change */
2203 void g_date_add_months (GDate *date,
2205 void g_date_subtract_months (GDate *date,
2208 /* If it's feb 29, changing years can move you to the 28th */
2209 void g_date_add_years (GDate *date,
2211 void g_date_subtract_years (GDate *date,
2213 gboolean g_date_is_leap_year (GDateYear year);
2214 guint8 g_date_days_in_month (GDateMonth month,
2216 guint8 g_date_monday_weeks_in_year (GDateYear year);
2217 guint8 g_date_sunday_weeks_in_year (GDateYear year);
2219 /* qsort-friendly (with a cast...) */
2220 gint g_date_compare (GDate *lhs,
2222 void g_date_to_struct_tm (GDate *date,
2225 /* Just like strftime() except you can only use date-related formats.
2226 * Using a time format is undefined.
2228 gsize g_date_strftime (gchar *s,
2230 const gchar *format,
2236 * Indexed Relations. Imagine a really simple table in a
2237 * database. Relations are not ordered. This data type is meant for
2238 * maintaining a N-way mapping.
2240 * g_relation_new() creates a relation with FIELDS fields
2242 * g_relation_destroy() frees all resources
2243 * g_tuples_destroy() frees the result of g_relation_select()
2245 * g_relation_index() indexes relation FIELD with the provided
2246 * equality and hash functions. this must be done before any
2247 * calls to insert are made.
2249 * g_relation_insert() inserts a new tuple. you are expected to
2250 * provide the right number of fields.
2252 * g_relation_delete() deletes all relations with KEY in FIELD
2253 * g_relation_select() returns ...
2254 * g_relation_count() counts ...
2257 GRelation* g_relation_new (gint fields);
2258 void g_relation_destroy (GRelation *relation);
2259 void g_relation_index (GRelation *relation,
2261 GHashFunc hash_func,
2262 GCompareFunc key_compare_func);
2263 void g_relation_insert (GRelation *relation,
2265 gint g_relation_delete (GRelation *relation,
2268 GTuples* g_relation_select (GRelation *relation,
2271 gint g_relation_count (GRelation *relation,
2274 gboolean g_relation_exists (GRelation *relation,
2276 void g_relation_print (GRelation *relation);
2278 void g_tuples_destroy (GTuples *tuples);
2279 gpointer g_tuples_index (GTuples *tuples,
2287 /* This function returns prime numbers spaced by approximately 1.5-2.0
2288 * and is for use in resizing data structures which prefer
2289 * prime-valued sizes. The closest spaced prime function returns the
2290 * next largest prime, or the highest it knows about which is about
2293 guint g_spaced_primes_closest (guint num);
2299 typedef struct _GIOFuncs GIOFuncs;
2315 G_IO_IN GLIB_SYSDEF_POLLIN,
2316 G_IO_OUT GLIB_SYSDEF_POLLOUT,
2317 G_IO_PRI GLIB_SYSDEF_POLLPRI,
2318 G_IO_ERR GLIB_SYSDEF_POLLERR,
2319 G_IO_HUP GLIB_SYSDEF_POLLHUP,
2320 G_IO_NVAL GLIB_SYSDEF_POLLNVAL
2325 guint channel_flags;
2330 typedef gboolean (*GIOFunc) (GIOChannel *source,
2331 GIOCondition condition,
2335 GIOError (*io_read) (GIOChannel *channel,
2339 GIOError (*io_write) (GIOChannel *channel,
2342 guint *bytes_written);
2343 GIOError (*io_seek) (GIOChannel *channel,
2346 void (*io_close) (GIOChannel *channel);
2347 guint (*io_add_watch) (GIOChannel *channel,
2349 GIOCondition condition,
2352 GDestroyNotify notify);
2353 void (*io_free) (GIOChannel *channel);
2356 void g_io_channel_init (GIOChannel *channel);
2357 void g_io_channel_ref (GIOChannel *channel);
2358 void g_io_channel_unref (GIOChannel *channel);
2359 GIOError g_io_channel_read (GIOChannel *channel,
2363 GIOError g_io_channel_write (GIOChannel *channel,
2366 guint *bytes_written);
2367 GIOError g_io_channel_seek (GIOChannel *channel,
2370 void g_io_channel_close (GIOChannel *channel);
2371 guint g_io_add_watch_full (GIOChannel *channel,
2373 GIOCondition condition,
2376 GDestroyNotify notify);
2377 guint g_io_add_watch (GIOChannel *channel,
2378 GIOCondition condition,
2380 gpointer user_data);
2385 typedef struct _GTimeVal GTimeVal;
2386 typedef struct _GSourceFuncs GSourceFuncs;
2387 typedef struct _GMainLoop GMainLoop; /* Opaque */
2394 struct _GSourceFuncs
2396 gboolean (*prepare) (gpointer source_data,
2397 GTimeVal *current_time,
2399 gboolean (*check) (gpointer source_data,
2400 GTimeVal *current_time);
2401 gboolean (*dispatch) (gpointer source_data,
2402 GTimeVal *current_time,
2403 gpointer user_data);
2404 GDestroyNotify destroy;
2407 /* Standard priorities */
2409 #define G_PRIORITY_HIGH -100
2410 #define G_PRIORITY_DEFAULT 0
2411 #define G_PRIORITY_HIGH_IDLE 100
2412 #define G_PRIORITY_DEFAULT_IDLE 200
2413 #define G_PRIORITY_LOW 300
2415 typedef gboolean (*GSourceFunc) (gpointer data);
2417 /* Hooks for adding to the main loop */
2418 guint g_source_add (gint priority,
2419 gboolean can_recurse,
2420 GSourceFuncs *funcs,
2421 gpointer source_data,
2423 GDestroyNotify notify);
2424 gboolean g_source_remove (guint tag);
2425 gboolean g_source_remove_by_user_data (gpointer user_data);
2426 gboolean g_source_remove_by_source_data (gpointer source_data);
2427 gboolean g_source_remove_by_funcs_user_data (GSourceFuncs *funcs,
2428 gpointer user_data);
2430 void g_get_current_time (GTimeVal *result);
2432 /* Running the main loop */
2433 GMainLoop* g_main_new (gboolean is_running);
2434 void g_main_run (GMainLoop *loop);
2435 void g_main_quit (GMainLoop *loop);
2436 void g_main_destroy (GMainLoop *loop);
2437 gboolean g_main_is_running (GMainLoop *loop);
2439 /* Run a single iteration of the mainloop. If block is FALSE,
2442 gboolean g_main_iteration (gboolean may_block);
2444 /* See if any events are pending */
2445 gboolean g_main_pending (void);
2447 /* Idles and timeouts */
2448 guint g_timeout_add_full (gint priority,
2450 GSourceFunc function,
2452 GDestroyNotify notify);
2453 guint g_timeout_add (guint interval,
2454 GSourceFunc function,
2456 guint g_idle_add (GSourceFunc function,
2458 guint g_idle_add_full (gint priority,
2459 GSourceFunc function,
2461 GDestroyNotify destroy);
2462 gboolean g_idle_remove_by_data (gpointer data);
2466 * System-specific IO and main loop calls
2468 * On Win32, the fd in a GPollFD should be Win32 HANDLE (*not* a file
2469 * descriptor as provided by the C runtime) that can be used by
2470 * MsgWaitForMultipleObjects. This does *not* include file handles
2471 * from CreateFile, SOCKETs, nor pipe handles. (But you can use
2472 * WSAEventSelect to signal events when a SOCKET is readable).
2474 * On Win32, fd can also be the special value G_WIN32_MSG_HANDLE to
2475 * indicate polling for messages. These message queue GPollFDs should
2476 * be added with the g_main_poll_win32_msg_add function.
2478 * But note that G_WIN32_MSG_HANDLE GPollFDs should not be used by GDK
2479 * (GTK) programs, as GDK itself wants to read messages and convert them
2482 * So, unless you really know what you are doing, it's best not to try
2483 * to use the main loop polling stuff for your own needs on
2484 * Win32. It's really only written for the GIMP's needs so
2488 typedef struct _GPollFD GPollFD;
2489 typedef gint (*GPollFunc) (GPollFD *ufds,
2499 void g_main_add_poll (GPollFD *fd,
2501 void g_main_remove_poll (GPollFD *fd);
2502 void g_main_set_poll_func (GPollFunc func);
2504 /* On Unix, IO channels created with this function for any file
2505 * descriptor or socket.
2507 * On Win32, use this only for plain files opened with the MSVCRT (the
2508 * Microsoft run-time C library) _open(), including file descriptors
2509 * 0, 1 and 2 (corresponding to stdin, stdout and stderr).
2510 * Actually, don't do even that, this code isn't done yet.
2512 * The term file descriptor as used in the context of Win32 refers to
2513 * the emulated Unix-like file descriptors MSVCRT provides.
2515 GIOChannel* g_io_channel_unix_new (int fd);
2516 gint g_io_channel_unix_get_fd (GIOChannel *channel);
2520 GUTILS_C_VAR guint g_pipe_readable_msg;
2522 #define G_WIN32_MSG_HANDLE 19981206
2524 /* This is used to add polling for Windows messages. GDK (GTk+) programs
2525 * should *not* use this. (In fact, I can't think of any program that
2526 * would want to use this, but it's here just for completeness's sake.
2528 void g_main_poll_win32_msg_add(gint priority,
2532 /* An IO channel for Windows messages for window handle hwnd. */
2533 GIOChannel *g_io_channel_win32_new_messages (guint hwnd);
2535 /* An IO channel for an anonymous pipe as returned from the MSVCRT
2536 * _pipe(), with no mechanism for the writer to tell the reader when
2537 * there is data in the pipe.
2539 * This is not really implemented yet.
2541 GIOChannel *g_io_channel_win32_new_pipe (int fd);
2543 /* An IO channel for a pipe as returned from the MSVCRT _pipe(), with
2544 * Windows user messages used to signal data in the pipe for the
2547 * fd is the file descriptor. For the write end, peer is the thread id
2548 * of the reader, and peer_fd is his file descriptor for the read end
2551 * This is used by the GIMP, and works.
2553 GIOChannel *g_io_channel_win32_new_pipe_with_wakeups (int fd,
2557 void g_io_channel_win32_pipe_request_wakeups (GIOChannel *channel,
2561 void g_io_channel_win32_pipe_readable (int fd,
2564 /* Get the C runtime file descriptor of a channel. */
2565 gint g_io_channel_win32_get_fd (GIOChannel *channel);
2567 /* An IO channel for a SOCK_STREAM winsock socket. The parameter is
2568 * actually a SOCKET.
2570 GIOChannel *g_io_channel_win32_new_stream_socket (int socket);
2574 /* Windows emulation stubs for common Unix functions
2577 # define MAXPATHLEN 1024
2581 /* These POSIXish functions are available in the Microsoft C library
2582 * prefixed with underscore (which of course technically speaking is
2583 * the Right Thing, as they are non-ANSI. Not that being non-ANSI
2584 * prevents Microsoft from practically requiring you to include
2585 * <windows.h> every now and then...).
2587 * You still need to include the appropriate headers to get the
2588 * prototypes, <io.h> or <direct.h>.
2590 * For some functions, we provide emulators in glib, which are prefixed
2593 # define getcwd _getcwd
2594 # define getpid _getpid
2595 # define access _access
2598 # define write _write
2599 # define lseek _lseek
2600 # define close _close
2601 # define pipe(phandles) _pipe (phandles, 4096, _O_BINARY)
2602 # define popen _popen
2603 # define pclose _pclose
2604 # define fdopen _fdopen
2605 # define ftruncate(fd, size) gwin_ftruncate (fd, size)
2606 # define opendir gwin_opendir
2607 # define readdir gwin_readdir
2608 # define rewinddir gwin_rewinddir
2609 # define closedir gwin_closedir
2610 # define NAME_MAX 255
2614 gboolean just_opened;
2615 guint find_file_handle;
2616 gpointer find_file_data;
2618 typedef struct DIR DIR;
2621 gchar d_name[NAME_MAX + 1];
2623 /* emulation functions */
2624 extern int gwin_ftruncate (gint f,
2626 DIR* gwin_opendir (const gchar *dirname);
2627 struct dirent* gwin_readdir (DIR *dir);
2628 void gwin_rewinddir (DIR *dir);
2629 gint gwin_closedir (DIR *dir);
2630 # endif /* _MSC_VER */
2631 #endif /* NATIVE_WIN32 */
2634 /* GLib Thread support
2636 typedef struct _GMutex GMutex;
2637 typedef struct _GCond GCond;
2638 typedef struct _GPrivate GPrivate;
2639 typedef struct _GStaticPrivate GStaticPrivate;
2640 typedef struct _GThreadFunctions GThreadFunctions;
2641 struct _GThreadFunctions
2643 GMutex* (*mutex_new) (void);
2644 void (*mutex_lock) (GMutex *mutex);
2645 gboolean (*mutex_trylock) (GMutex *mutex);
2646 void (*mutex_unlock) (GMutex *mutex);
2647 void (*mutex_free) (GMutex *mutex);
2648 GCond* (*cond_new) (void);
2649 void (*cond_signal) (GCond *cond);
2650 void (*cond_broadcast) (GCond *cond);
2651 void (*cond_wait) (GCond *cond,
2653 gboolean (*cond_timed_wait) (GCond *cond,
2655 GTimeVal *end_time);
2656 void (*cond_free) (GCond *cond);
2657 GPrivate* (*private_new) (GDestroyNotify destructor);
2658 gpointer (*private_get) (GPrivate *private_key);
2659 void (*private_set) (GPrivate *private_key,
2663 GUTILS_C_VAR GThreadFunctions g_thread_functions_for_glib_use;
2664 GUTILS_C_VAR gboolean g_thread_use_default_impl;
2665 GUTILS_C_VAR gboolean g_threads_got_initialized;
2667 /* initializes the mutex/cond/private implementation for glib, might
2668 * only be called once, and must not be called directly or indirectly
2669 * from another glib-function, e.g. as a callback.
2671 void g_thread_init (GThreadFunctions *vtable);
2673 /* internal function for fallback static mutex implementation */
2674 GMutex* g_static_mutex_get_mutex_impl (GMutex **mutex);
2676 /* shorthands for conditional and unconditional function calls */
2677 #define G_THREAD_UF(name, arglist) \
2678 (*g_thread_functions_for_glib_use . name) arglist
2679 #define G_THREAD_CF(name, fail, arg) \
2680 (g_thread_supported () ? G_THREAD_UF (name, arg) : (fail))
2681 /* keep in mind, all those mutexes and static mutexes are not
2682 * recursive in general, don't rely on that
2684 #define g_thread_supported() (g_threads_got_initialized)
2685 #define g_mutex_new() G_THREAD_UF (mutex_new, ())
2686 #define g_mutex_lock(mutex) G_THREAD_CF (mutex_lock, (void)0, (mutex))
2687 #define g_mutex_trylock(mutex) G_THREAD_CF (mutex_trylock, TRUE, (mutex))
2688 #define g_mutex_unlock(mutex) G_THREAD_CF (mutex_unlock, (void)0, (mutex))
2689 #define g_mutex_free(mutex) G_THREAD_CF (mutex_free, (void)0, (mutex))
2690 #define g_cond_new() G_THREAD_UF (cond_new, ())
2691 #define g_cond_signal(cond) G_THREAD_CF (cond_signal, (void)0, (cond))
2692 #define g_cond_broadcast(cond) G_THREAD_CF (cond_broadcast, (void)0, (cond))
2693 #define g_cond_wait(cond, mutex) G_THREAD_CF (cond_wait, (void)0, (cond, \
2695 #define g_cond_free(cond) G_THREAD_CF (cond_free, (void)0, (cond))
2696 #define g_cond_timed_wait(cond, mutex, abs_time) G_THREAD_CF (cond_timed_wait, \
2700 #define g_private_new(destructor) G_THREAD_UF (private_new, (destructor))
2701 #define g_private_get(private_key) G_THREAD_CF (private_get, \
2702 ((gpointer)private_key), \
2704 #define g_private_set(private_key, value) G_THREAD_CF (private_set, \
2705 (void) (private_key = \
2706 (GPrivate*) (value)), \
2707 (private_key, value))
2708 /* GStaticMutexes can be statically initialized with the value
2709 * G_STATIC_MUTEX_INIT, and then they can directly be used, that is
2710 * much easier, than having to explicitly allocate the mutex before
2713 #define g_static_mutex_lock(mutex) \
2714 g_mutex_lock (g_static_mutex_get_mutex (mutex))
2715 #define g_static_mutex_trylock(mutex) \
2716 g_mutex_trylock (g_static_mutex_get_mutex (mutex))
2717 #define g_static_mutex_unlock(mutex) \
2718 g_mutex_unlock (g_static_mutex_get_mutex (mutex))
2719 struct _GStaticPrivate
2723 #define G_STATIC_PRIVATE_INIT { 0 }
2724 gpointer g_static_private_get (GStaticPrivate *private_key);
2725 void g_static_private_set (GStaticPrivate *private_key,
2727 GDestroyNotify notify);
2729 /* these are some convenience macros that expand to nothing if GLib
2730 * was configured with --disable-threads. for using StaticMutexes,
2731 * you define them with G_LOCK_DEFINE_STATIC (name) or G_LOCK_DEFINE (name)
2732 * if you need to export the mutex. With G_LOCK_EXTERN (name) you can
2733 * declare such an globally defined lock. name is a unique identifier
2734 * for the protected varibale or code portion. locking, testing and
2735 * unlocking of such mutexes can be done with G_LOCK(), G_UNLOCK() and
2736 * G_TRYLOCK() respectively.
2738 extern void glib_dummy_decl (void);
2739 #define G_LOCK_NAME(name) (g__ ## name ## _lock)
2740 #ifdef G_THREADS_ENABLED
2741 # define G_LOCK_DEFINE_STATIC(name) static G_LOCK_DEFINE (name)
2742 # define G_LOCK_DEFINE(name) \
2743 GStaticMutex G_LOCK_NAME (name) = G_STATIC_MUTEX_INIT
2744 # define G_LOCK_EXTERN(name) extern GStaticMutex G_LOCK_NAME (name)
2746 # ifdef G_DEBUG_LOCKS
2747 # define G_LOCK(name) G_STMT_START{ \
2748 g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
2749 "file %s: line %d (%s): locking: %s ", \
2750 __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \
2752 g_static_mutex_lock (&G_LOCK_NAME (name)); \
2754 # define G_UNLOCK(name) G_STMT_START{ \
2755 g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
2756 "file %s: line %d (%s): unlocking: %s ", \
2757 __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \
2759 g_static_mutex_unlock (&G_LOCK_NAME (name)); \
2761 # define G_TRYLOCK(name) G_STMT_START{ \
2762 g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
2763 "file %s: line %d (%s): try locking: %s ", \
2764 __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \
2766 }G_STMT_END, g_static_mutex_trylock (&G_LOCK_NAME (name))
2767 # else /* !G_DEBUG_LOCKS */
2768 # define G_LOCK(name) g_static_mutex_lock (&G_LOCK_NAME (name))
2769 # define G_UNLOCK(name) g_static_mutex_unlock (&G_LOCK_NAME (name))
2770 # define G_TRYLOCK(name) g_static_mutex_trylock (&G_LOCK_NAME (name))
2771 # endif /* !G_DEBUG_LOCKS */
2772 #else /* !G_THREADS_ENABLED */
2773 # define G_LOCK_DEFINE_STATIC(name) extern void glib_dummy_decl (void)
2774 # define G_LOCK_DEFINE(name) extern void glib_dummy_decl (void)
2775 # define G_LOCK_EXTERN(name) extern void glib_dummy_decl (void)
2776 # define G_LOCK(name)
2777 # define G_UNLOCK(name)
2778 # define G_TRYLOCK(name) (FALSE)
2779 #endif /* !G_THREADS_ENABLED */
2783 #endif /* __cplusplus */
2786 #endif /* __G_LIB_H__ */