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.
22 /* system specific config file
24 #include <glibconfig.h>
26 /* support standard arg inline functions for assertment macros
30 /* optionally feature DMALLOC memory allocation debugger
37 /* glib provides definitions for the extrema of many
38 * of the standard types. These are:
55 #define G_MINFLOAT FLT_MIN
56 #define G_MAXFLOAT FLT_MAX
57 #define G_MINDOUBLE DBL_MIN
58 #define G_MAXDOUBLE DBL_MAX
64 #define G_MINFLOAT MINFLOAT
65 #define G_MAXFLOAT MAXFLOAT
66 #define G_MINDOUBLE MINDOUBLE
67 #define G_MAXDOUBLE MAXDOUBLE
69 #endif /* HAVE_VALUES_H */
75 #define G_MINSHORT SHRT_MIN
76 #define G_MAXSHORT SHRT_MAX
77 #define G_MININT INT_MIN
78 #define G_MAXINT INT_MAX
79 #define G_MINLONG LONG_MIN
80 #define G_MAXLONG LONG_MAX
86 #endif /* HAVE_FLOAT_H */
88 #define G_MINSHORT MINSHORT
89 #define G_MAXSHORT MAXSHORT
90 #define G_MININT MININT
91 #define G_MAXINT MAXINT
92 #define G_MINLONG MINLONG
93 #define G_MAXLONG MAXLONG
95 #endif /* HAVE_VALUES_H */
98 /* Provide definitions for some commonly used macros.
99 * Some of them are only provided if they haven't already
100 * been defined. It is assumed that if they are already
101 * defined then the current definition is correct.
104 #define NULL ((void*) 0)
112 #define TRUE (!FALSE)
116 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
119 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
122 #define ABS(a) (((a) < 0) ? -(a) : (a))
125 #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
128 /* Provide simple enum value macro wrappers that ease automated
129 * enum value stringification code. [abandoned]
131 #if !defined (G_CODE_GENERATION)
132 #define G_ENUM( EnumerationName ) EnumerationName
133 #define G_FLAGS( EnumerationName ) EnumerationName
134 #define G_NV( VALUE_NAME , value_nick, VALUE) VALUE_NAME = (VALUE)
135 #define G_SV( VALUE_NAME, value_nick ) VALUE_NAME
136 #else /* G_CODE_GENERATION */
137 #define G_ENUM( EnumerationName ) G_ENUM_E + EnumerationName +
138 #define G_FLAGS( EnumerationName ) G_ENUM_F + EnumerationName +
139 #define G_NV( VALUE_NAME , value_nick, VALUE) G_ENUM_V + VALUE_NAME + value_nick +
140 #define G_SV( VALUE_NAME, value_nick ) G_ENUM_V + VALUE_NAME + value_nick +
141 #endif /* G_CODE_GENERATION */
144 /* Provide simple macro statement wrappers (adapted from Perl):
145 * G_STMT_START { statements; } G_STMT_END;
146 * can be used as a single statement, as in
147 * if (x) G_STMT_START { ... } G_STMT_END; else ...
149 * For gcc we will wrap the statements within `({' and `})' braces.
150 * For SunOS they will be wrapped within `if (1)' and `else (void) 0',
151 * and otherwise within `do' and `while (0)'.
153 #if !(defined (G_STMT_START) && defined (G_STMT_END))
154 # if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
155 # define G_STMT_START (void)(
156 # define G_STMT_END )
158 # if (defined (sun) || defined (__sun__))
159 # define G_STMT_START if (1)
160 # define G_STMT_END else (void)0
162 # define G_STMT_START do
163 # define G_STMT_END while (0)
169 /* Provide macros to feature the GCC function attribute.
171 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
172 #define G_GNUC_PRINTF( format_idx, arg_idx ) \
173 __attribute__((format (printf, format_idx, arg_idx)))
174 #define G_GNUC_SCANF( format_idx, arg_idx ) \
175 __attribute__((format (scanf, format_idx, arg_idx)))
176 #define G_GNUC_FORMAT( arg_idx ) \
177 __attribute__((format_arg (arg_idx)))
178 #define G_GNUC_NORETURN \
179 __attribute__((noreturn))
180 #define G_GNUC_CONST \
181 __attribute__((const))
182 #else /* !__GNUC__ */
183 #define G_GNUC_PRINTF( format_idx, arg_idx )
184 #define G_GNUC_SCANF( format_idx, arg_idx )
185 #define G_GNUC_FORMAT( arg_idx )
186 #define G_GNUC_NORETURN
188 #endif /* !__GNUC__ */
191 /* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with
192 * macros, so we can refer to them as strings unconditionally.
195 #define G_GNUC_FUNCTION (__FUNCTION__)
196 #define G_GNUC_PRETTY_FUNCTION (__PRETTY_FUNCTION__)
197 #else /* !__GNUC__ */
198 #define G_GNUC_FUNCTION ("")
199 #define G_GNUC_PRETTY_FUNCTION ("")
200 #endif /* !__GNUC__ */
203 /* Hacker macro to place breakpoints for x86 machines.
204 * Actual use is strongly deprecated of course ;)
206 #if defined (__i386__)
207 #define G_BREAKPOINT() G_STMT_START{ __asm__ ("int $03"); }G_STMT_END
208 #else /* !__i386__ */
209 #define G_BREAKPOINT()
210 #endif /* __i386__ */
215 # define ATEXIT(proc) (atexit (proc))
216 # elif defined (HAVE_ON_EXIT)
217 # define ATEXIT(proc) (on_exit ((void (*)(int, void *))(proc), NULL))
222 /* Provide macros for easily allocating memory. The macros
223 * will cast the allocated memory to the specified type
224 * in order to avoid compiler warnings. (Makes the code neater).
229 #define g_new(type, count) (ALLOC (type, count))
230 #define g_new0(type, count) (CALLOC (type, count))
232 #else /* __DMALLOC_H__ */
234 #define g_new(type, count) \
235 ((type *) g_malloc ((unsigned) sizeof (type) * (count)))
236 #define g_new0(type, count) \
237 ((type *) g_malloc0 ((unsigned) sizeof (type) * (count)))
238 #endif /* __DMALLOC_H__ */
240 #define g_mem_chunk_create(type, pre_alloc, alloc_type) ( \
241 g_mem_chunk_new (#type " mem chunks (" #pre_alloc ")", \
243 sizeof (type) * (pre_alloc), \
246 #define g_chunk_new(type, chunk) ( \
247 (type *) g_mem_chunk_alloc (chunk) \
249 #define g_chunk_new0(type, chunk) ( \
250 (type *) memset (g_mem_chunk_alloc (chunk), 0, sizeof (type)) \
252 #define g_chunk_free(mem, mem_chunk) G_STMT_START { \
253 g_mem_chunk_free ((mem_chunk), (mem)); \
257 #define g_string(x) #x
260 /* Provide macros for error handling. The "assert" macros will
261 * exit on failure. The "return" macros will exit the current
262 * function. Two different definitions are given for the macros
263 * if G_DISABLE_ASSERT is not defined, in order to support gcc's
264 * __PRETTY_FUNCTION__ capability.
267 #ifdef G_DISABLE_ASSERT
269 #define g_assert(expr)
270 #define g_assert_not_reached()
272 #else /* !G_DISABLE_ASSERT */
276 #define g_assert(expr) G_STMT_START{ \
278 g_log (G_LOG_DOMAIN, \
280 "file %s: line %d (%s): assertion failed: (%s)", \
283 __PRETTY_FUNCTION__, \
286 #define g_assert_not_reached() G_STMT_START{ \
287 g_log (G_LOG_DOMAIN, \
289 "file %s: line %d (%s): should not be reached", \
292 __PRETTY_FUNCTION__); }G_STMT_END
294 #else /* !__GNUC__ */
296 #define g_assert(expr) G_STMT_START{ \
298 g_log (G_LOG_DOMAIN, \
300 "file %s: line %d: assertion failed: (%s)", \
305 #define g_assert_not_reached() G_STMT_START{ \
306 g_log (G_LOG_DOMAIN, \
308 "file %s: line %d: should not be reached", \
310 __LINE__); }G_STMT_END
312 #endif /* __GNUC__ */
314 #endif /* !G_DISABLE_ASSERT */
317 #ifdef G_DISABLE_CHECKS
319 #define g_return_if_fail(expr)
320 #define g_return_val_if_fail(expr,val)
322 #else /* !G_DISABLE_CHECKS */
326 #define g_return_if_fail(expr) G_STMT_START{ \
329 g_log (G_LOG_DOMAIN, \
330 G_LOG_LEVEL_CRITICAL, \
331 "file %s: line %d (%s): assertion `%s' failed.", \
334 __PRETTY_FUNCTION__, \
339 #define g_return_val_if_fail(expr,val) G_STMT_START{ \
342 g_log (G_LOG_DOMAIN, \
343 G_LOG_LEVEL_CRITICAL, \
344 "file %s: line %d (%s): assertion `%s' failed.", \
347 __PRETTY_FUNCTION__, \
352 #else /* !__GNUC__ */
354 #define g_return_if_fail(expr) G_STMT_START{ \
357 g_log (G_LOG_DOMAIN, \
358 G_LOG_LEVEL_CRITICAL, \
359 "file %s: line %d: assertion `%s' failed.", \
366 #define g_return_val_if_fail(expr, val) G_STMT_START{ \
369 g_log (G_LOG_DOMAIN, \
370 G_LOG_LEVEL_CRITICAL, \
371 "file %s: line %d: assertion `%s' failed.", \
378 #endif /* !__GNUC__ */
380 #endif /* !G_DISABLE_CHECKS */
384 /* the #pragma } statment is used to fix up emacs' c-mode which gets
385 * confused by extern "C" {. the ansi standard says that compilers
386 * have to ignore #pragma directives that they don't know about,
387 * so we should be save in using this.
391 #endif /* __cplusplus */
394 /* Provide type definitions for commonly used types.
395 * These are useful because a "gint8" can be adjusted
396 * to be 1 byte (8 bits) on all platforms. Similarly and
397 * more importantly, "gint32" can be adjusted to be
398 * 4 bytes (32 bits) on all platforms.
402 typedef short gshort;
405 typedef gint gboolean;
407 typedef unsigned char guchar;
408 typedef unsigned short gushort;
409 typedef unsigned long gulong;
410 typedef unsigned int guint;
412 typedef float gfloat;
413 typedef double gdouble;
415 /* HAVE_LONG_DOUBLE doesn't work correctly on all platforms.
416 * Since gldouble isn't used anywhere, just disable it for now
419 #ifdef HAVE_LONG_DOUBLE
420 typedef long double gldouble;
421 #else /* HAVE_LONG_DOUBLE */
422 typedef double gldouble;
423 #endif /* HAVE_LONG_DOUBLE */
426 typedef void* gpointer;
427 typedef const void *gconstpointer;
429 #if (SIZEOF_CHAR == 1)
430 typedef signed char gint8;
431 typedef unsigned char guint8;
432 #endif /* SIZEOF_CHAR */
434 #if (SIZEOF_SHORT == 2)
435 typedef signed short gint16;
436 typedef unsigned short guint16;
437 #endif /* SIZEOF_SHORT */
439 #if (SIZEOF_INT == 4)
440 typedef signed int gint32;
441 typedef unsigned int guint32;
442 #elif (SIZEOF_LONG == 4)
443 typedef signed long gint32;
444 typedef unsigned long guint32;
445 #endif /* SIZEOF_INT */
447 #if (SIZEOF_LONG == 8)
448 #define HAVE_GINT64 1
449 typedef signed long gint64;
450 typedef unsigned long guint64;
451 #elif (SIZEOF_LONG_LONG == 8)
452 #define HAVE_GINT64 1
453 typedef signed long long gint64;
454 typedef unsigned long long guint64;
461 /* Define macros for storing integers inside pointers
463 #if (SIZEOF_INT == SIZEOF_VOID_P)
465 #define GPOINTER_TO_INT(p) ((gint)(p))
466 #define GPOINTER_TO_UINT(p) ((guint)(p))
468 #define GINT_TO_POINTER(i) ((gpointer)(i))
469 #define GUINT_TO_POINTER(u) ((gpointer)(u))
471 #elif (SIZEOF_LONG == SIZEOF_VOID_P)
473 #define GPOINTER_TO_INT(p) ((gint)(glong)(p))
474 #define GPOINTER_TO_UINT(p) ((guint)(gulong)(p))
476 #define GINT_TO_POINTER(i) ((gpointer)(glong)(i))
477 #define GUINT_TO_POINTER(u) ((gpointer)(gulong)(u))
480 #error SIZEOF_VOID_P unknown - This should never happen
483 typedef gint32 gssize;
484 typedef guint32 gsize;
485 typedef guint32 GQuark;
486 typedef gint32 GTime;
491 extern const guint glib_major_version;
492 extern const guint glib_minor_version;
493 extern const guint glib_micro_version;
494 extern const guint glib_interface_age;
495 extern const guint glib_binary_age;
498 /* Forward declarations of glib types.
501 typedef struct _GList GList;
502 typedef struct _GSList GSList;
503 typedef struct _GHashTable GHashTable;
504 typedef struct _GCache GCache;
505 typedef struct _GTree GTree;
506 typedef struct _GTimer GTimer;
507 typedef struct _GMemChunk GMemChunk;
508 typedef struct _GListAllocator GListAllocator;
509 typedef struct _GStringChunk GStringChunk;
510 typedef struct _GString GString;
511 typedef struct _GArray GArray;
512 typedef struct _GPtrArray GPtrArray;
513 typedef struct _GByteArray GByteArray;
514 typedef struct _GDebugKey GDebugKey;
515 typedef struct _GScannerConfig GScannerConfig;
516 typedef struct _GScanner GScanner;
517 typedef union _GValue GValue;
518 typedef struct _GCompletion GCompletion;
519 typedef struct _GRelation GRelation;
520 typedef struct _GTuples GTuples;
521 typedef struct _GNode GNode;
526 G_TRAVERSE_LEAFS = 1 << 0,
527 G_TRAVERSE_NON_LEAFS = 1 << 1,
528 G_TRAVERSE_ALL = G_TRAVERSE_LEAFS | G_TRAVERSE_NON_LEAFS,
529 G_TRAVERSE_MASK = 0x03
540 /* Log level shift offset for user defined
541 * log levels (0-7 are used by GLib).
543 #define G_LOG_LEVEL_USER_SHIFT (8)
545 /* Glib log levels and flags.
550 G_LOG_FLAG_RECURSION = 1 << 0,
551 G_LOG_FLAG_FATAL = 1 << 1,
553 /* GLib log levels */
554 G_LOG_LEVEL_ERROR = 1 << 2, /* always fatal */
555 G_LOG_LEVEL_CRITICAL = 1 << 3,
556 G_LOG_LEVEL_WARNING = 1 << 4,
557 G_LOG_LEVEL_MESSAGE = 1 << 5,
558 G_LOG_LEVEL_INFO = 1 << 6,
559 G_LOG_LEVEL_DEBUG = 1 << 7,
561 G_LOG_LEVEL_MASK = ~(G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL)
564 /* GLib log levels that are considered fatal by default */
565 #define G_LOG_FATAL_MASK (G_LOG_FLAG_RECURSION | G_LOG_LEVEL_ERROR)
568 typedef gpointer (*GCacheNewFunc) (gpointer key);
569 typedef gpointer (*GCacheDupFunc) (gpointer value);
570 typedef void (*GCacheDestroyFunc) (gpointer value);
571 typedef gint (*GCompareFunc) (gconstpointer a,
573 typedef gchar* (*GCompletionFunc) (gpointer);
574 typedef void (*GDestroyNotify) (gpointer data);
575 typedef void (*GFunc) (gpointer data,
577 typedef guint (*GHashFunc) (gconstpointer key);
578 typedef void (*GHFunc) (gpointer key,
581 typedef void (*GLogFunc) (const gchar *log_domain,
582 GLogLevelFlags log_level,
583 const gchar *message,
585 typedef gboolean (*GNodeTraverseFunc) (GNode *node,
587 typedef void (*GNodeForeachFunc) (GNode *node,
589 typedef gint (*GSearchFunc) (gpointer key,
591 typedef void (*GScannerMsgFunc) (GScanner *scanner,
594 typedef gint (*GTraverseFunc) (gpointer key,
647 struct _GCache { gint dummy; };
648 struct _GTree { gint dummy; };
649 struct _GTimer { gint dummy; };
650 struct _GMemChunk { gint dummy; };
651 struct _GListAllocator { gint dummy; };
652 struct _GStringChunk { gint dummy; };
655 /* Doubly linked lists
657 GList* g_list_alloc (void);
658 void g_list_free (GList *list);
659 void g_list_free_1 (GList *list);
660 GList* g_list_append (GList *list,
662 GList* g_list_prepend (GList *list,
664 GList* g_list_insert (GList *list,
667 GList* g_list_insert_sorted (GList *list,
670 GList* g_list_concat (GList *list1,
672 GList* g_list_remove (GList *list,
674 GList* g_list_remove_link (GList *list,
676 GList* g_list_reverse (GList *list);
677 GList* g_list_nth (GList *list,
679 GList* g_list_find (GList *list,
681 GList* g_list_find_custom (GList *list,
684 gint g_list_position (GList *list,
686 gint g_list_index (GList *list,
688 GList* g_list_last (GList *list);
689 GList* g_list_first (GList *list);
690 guint g_list_length (GList *list);
691 void g_list_foreach (GList *list,
694 gpointer g_list_nth_data (GList *list,
696 #define g_list_previous(list) ((list) ? (((GList *)(list))->prev) : NULL)
697 #define g_list_next(list) ((list) ? (((GList *)(list))->next) : NULL)
700 /* Singly linked lists
702 GSList* g_slist_alloc (void);
703 void g_slist_free (GSList *list);
704 void g_slist_free_1 (GSList *list);
705 GSList* g_slist_append (GSList *list,
707 GSList* g_slist_prepend (GSList *list,
709 GSList* g_slist_insert (GSList *list,
712 GSList* g_slist_insert_sorted (GSList *list,
715 GSList* g_slist_concat (GSList *list1,
717 GSList* g_slist_remove (GSList *list,
719 GSList* g_slist_remove_link (GSList *list,
721 GSList* g_slist_reverse (GSList *list);
722 GSList* g_slist_nth (GSList *list,
724 GSList* g_slist_find (GSList *list,
726 GSList* g_slist_find_custom (GSList *list,
729 gint g_slist_position (GSList *list,
731 gint g_slist_index (GSList *list,
733 GSList* g_slist_last (GSList *list);
734 guint g_slist_length (GSList *list);
735 void g_slist_foreach (GSList *list,
738 gpointer g_slist_nth_data (GSList *list,
740 #define g_slist_next(slist) ((slist) ? (((GSList *)(slist))->next) : NULL)
745 GListAllocator* g_list_allocator_new (void);
746 void g_list_allocator_free (GListAllocator* allocator);
747 GListAllocator* g_slist_set_allocator (GListAllocator* allocator);
748 GListAllocator* g_list_set_allocator (GListAllocator* allocator);
753 GHashTable* g_hash_table_new (GHashFunc hash_func,
754 GCompareFunc key_compare_func);
755 void g_hash_table_destroy (GHashTable *hash_table);
756 void g_hash_table_insert (GHashTable *hash_table,
759 void g_hash_table_remove (GHashTable *hash_table,
761 gpointer g_hash_table_lookup (GHashTable *hash_table,
763 gboolean g_hash_table_lookup_extended(GHashTable *hash_table,
764 gconstpointer lookup_key,
767 void g_hash_table_freeze (GHashTable *hash_table);
768 void g_hash_table_thaw (GHashTable *hash_table);
769 void g_hash_table_foreach (GHashTable *hash_table,
772 gint g_hash_table_size (GHashTable *hash_table);
777 GCache* g_cache_new (GCacheNewFunc value_new_func,
778 GCacheDestroyFunc value_destroy_func,
779 GCacheDupFunc key_dup_func,
780 GCacheDestroyFunc key_destroy_func,
781 GHashFunc hash_key_func,
782 GHashFunc hash_value_func,
783 GCompareFunc key_compare_func);
784 void g_cache_destroy (GCache *cache);
785 gpointer g_cache_insert (GCache *cache,
787 void g_cache_remove (GCache *cache,
789 void g_cache_key_foreach (GCache *cache,
792 void g_cache_value_foreach (GCache *cache,
797 /* Balanced binary trees
799 GTree* g_tree_new (GCompareFunc key_compare_func);
800 void g_tree_destroy (GTree *tree);
801 void g_tree_insert (GTree *tree,
804 void g_tree_remove (GTree *tree,
806 gpointer g_tree_lookup (GTree *tree,
808 void g_tree_traverse (GTree *tree,
809 GTraverseFunc traverse_func,
810 GTraverseType traverse_type,
812 gpointer g_tree_search (GTree *tree,
813 GSearchFunc search_func,
815 gint g_tree_height (GTree *tree);
816 gint g_tree_nnodes (GTree *tree);
820 /* N-way tree implementation
831 #define G_NODE_IS_ROOT(node) (((GNode*) (node))->parent == NULL && \
832 ((GNode*) (node))->prev == NULL && \
833 ((GNode*) (node))->next == NULL)
834 #define G_NODE_IS_LEAF(node) (((GNode*) (node))->children == NULL)
836 GNode* g_node_new (gpointer data);
837 void g_node_destroy (GNode *root);
838 void g_node_unlink (GNode *node);
839 GNode* g_node_insert (GNode *parent,
842 GNode* g_node_insert_before (GNode *parent,
845 GNode* g_node_prepend (GNode *parent,
847 guint g_node_n_nodes (GNode *root,
848 GTraverseFlags flags);
849 GNode* g_node_get_root (GNode *node);
850 gboolean g_node_is_ancestor (GNode *node,
852 guint g_node_depth (GNode *node);
853 GNode* g_node_find (GNode *root,
855 GTraverseFlags flags,
858 /* convenience macros */
859 #define g_node_append(parent, node) \
860 g_node_insert_before ((parent), NULL, (node))
861 #define g_node_insert_data(parent, position, data) \
862 g_node_insert ((parent), (position), g_node_new (data))
863 #define g_node_insert_data_before(parent, sibling, data) \
864 g_node_insert_before ((parent), (sibling), g_node_new (data))
865 #define g_node_prepend_data(parent, data) \
866 g_node_prepend ((parent), g_node_new (data))
867 #define g_node_append_data(parent, data) \
868 g_node_insert_before ((parent), NULL, g_node_new (data))
870 /* traversal function, assumes that `node' is root
871 * (only traverses `node' and its subtree).
872 * this function is just a high level interface to
873 * low level traversal functions, optimized for speed.
875 void g_node_traverse (GNode *root,
877 GTraverseFlags flags,
879 GNodeTraverseFunc func,
882 /* return the maximum tree height starting with `node', this is an expensive
883 * operation, since we need to visit all nodes. this could be shortened by
884 * adding `guint height' to struct _GNode, but then again, this is not very
885 * often needed, and would make g_node_insert() more time consuming.
887 guint g_node_max_height (GNode *root);
889 void g_node_children_foreach (GNode *node,
890 GTraverseFlags flags,
891 GNodeForeachFunc func,
893 void g_node_reverse_children (GNode *node);
894 guint g_node_n_children (GNode *node);
895 GNode* g_node_nth_child (GNode *node,
897 GNode* g_node_last_child (GNode *node);
898 GNode* g_node_find_child (GNode *node,
899 GTraverseFlags flags,
901 gint g_node_child_position (GNode *node,
903 gint g_node_child_index (GNode *node,
906 GNode* g_node_first_sibling (GNode *node);
907 GNode* g_node_last_sibling (GNode *node);
909 #define g_node_prev_sibling(node) ((node) ? \
910 ((GNode*) (node))->prev : NULL)
911 #define g_node_next_sibling(node) ((node) ? \
912 ((GNode*) (node))->next : NULL)
913 #define g_node_first_child(node) ((node) ? \
914 ((GNode*) (node))->children : NULL)
917 /* Fatal error handlers
919 void g_attach_process (const gchar *progname,
921 void g_debug (const gchar *progname);
922 void g_stack_trace (const gchar *progname,
928 extern const gchar *g_log_domain_glib;
929 guint g_log_set_handler (const gchar *log_domain,
930 GLogLevelFlags log_levels,
933 void g_log_remove_handler (const gchar *log_domain,
935 void g_log_default_handler (const gchar *log_domain,
936 GLogLevelFlags log_level,
937 const gchar *message,
938 gpointer unused_data);
939 void g_log (const gchar *log_domain,
940 GLogLevelFlags log_level,
942 ...) G_GNUC_PRINTF (3, 4);
943 void g_logv (const gchar *log_domain,
944 GLogLevelFlags log_level,
948 GLogLevelFlags g_log_set_fatal_mask (const gchar *log_domain,
949 GLogLevelFlags fatal_mask);
951 #define G_LOG_DOMAIN (NULL)
952 #endif /* G_LOG_DOMAIN */
954 #define g_error(format, args...) g_log (G_LOG_DOMAIN, \
957 #define g_message(format, args...) g_log (G_LOG_DOMAIN, \
958 G_LOG_LEVEL_MESSAGE, \
960 #define g_warning(format, args...) g_log (G_LOG_DOMAIN, \
961 G_LOG_LEVEL_WARNING, \
963 #else /* !__GNUC__ */
965 g_error (const gchar *format,
968 va_list arg_list1, arg_list2;
969 va_start (arg_list1, format); va_start (arg_list2, format);
970 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, format, &arg_list1, &arg_list2);
971 va_end (arg_list2); va_end (arg_list1);
974 g_message (const gchar *format,
977 va_list arg_list1, arg_list2;
978 va_start (arg_list1, format); va_start (arg_list2, format);
979 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, format, &arg_list1, &arg_list2);
980 va_end (arg_list2); va_end (arg_list1);
983 g_warning (const gchar *format,
986 va_list arg_list1, arg_list2;
987 va_start (arg_list1, format); va_start (arg_list2, format);
988 g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, format, &arg_list1, &arg_list2);
989 va_end (arg_list2); va_end (arg_list1);
991 #endif /* !__GNUC__ */
993 typedef void (*GPrintFunc) (const gchar *string);
994 void g_print (const gchar *format,
995 ...) G_GNUC_PRINTF (1, 2);
996 GPrintFunc g_set_print_handler (GPrintFunc func);
997 void g_printerr (const gchar *format,
998 ...) G_GNUC_PRINTF (1, 2);
999 GPrintFunc g_set_printerr_handler (GPrintFunc func);
1001 /* deprecated compatibility functions, use g_log_set_handler() instead */
1002 typedef void (*GErrorFunc) (const gchar *str);
1003 typedef void (*GWarningFunc) (const gchar *str);
1004 GErrorFunc g_set_error_handler (GErrorFunc func);
1005 GWarningFunc g_set_warning_handler (GWarningFunc func);
1006 GPrintFunc g_set_message_handler (GPrintFunc func);
1009 /* Memory allocation and debugging
1013 #define g_malloc(size) ((gpointer) MALLOC (size))
1014 #define g_malloc0(size) ((gpointer) CALLOC (char, size))
1015 #define g_realloc(mem,size) ((gpointer) REALLOC (mem, char, size))
1016 #define g_free(mem) FREE (mem)
1018 #else /* !USE_DMALLOC */
1020 gpointer g_malloc (gulong size);
1021 gpointer g_malloc0 (gulong size);
1022 gpointer g_realloc (gpointer mem,
1024 void g_free (gpointer mem);
1026 #endif /* !USE_DMALLOC */
1028 void g_mem_profile (void);
1029 void g_mem_check (gpointer mem);
1032 /* "g_mem_chunk_new" creates a new memory chunk.
1033 * Memory chunks are used to allocate pieces of memory which are
1034 * always the same size. Lists are a good example of such a data type.
1035 * The memory chunk allocates and frees blocks of memory as needed.
1036 * Just be sure to call "g_mem_chunk_free" and not "g_free" on data
1037 * allocated in a mem chunk. ("g_free" will most likely cause a seg
1038 * fault...somewhere).
1040 * Oh yeah, GMemChunk is an opaque data type. (You don't really
1041 * want to know what's going on inside do you?)
1044 /* ALLOC_ONLY MemChunk's can only allocate memory. The free operation
1045 * is interpreted as a no op. ALLOC_ONLY MemChunk's save 4 bytes per
1046 * atom. (They are also useful for lists which use MemChunk to allocate
1047 * memory but are also part of the MemChunk implementation).
1048 * ALLOC_AND_FREE MemChunk's can allocate and free memory.
1051 #define G_ALLOC_ONLY 1
1052 #define G_ALLOC_AND_FREE 2
1054 GMemChunk* g_mem_chunk_new (gchar *name,
1058 void g_mem_chunk_destroy (GMemChunk *mem_chunk);
1059 gpointer g_mem_chunk_alloc (GMemChunk *mem_chunk);
1060 void g_mem_chunk_free (GMemChunk *mem_chunk,
1062 void g_mem_chunk_clean (GMemChunk *mem_chunk);
1063 void g_mem_chunk_reset (GMemChunk *mem_chunk);
1064 void g_mem_chunk_print (GMemChunk *mem_chunk);
1065 void g_mem_chunk_info (void);
1067 /* Ah yes...we have a "g_blow_chunks" function.
1068 * "g_blow_chunks" simply compresses all the chunks. This operation
1069 * consists of freeing every memory area that should be freed (but
1070 * which we haven't gotten around to doing yet). And, no,
1071 * "g_blow_chunks" doesn't follow the naming scheme, but it is a
1072 * much better name than "g_mem_chunk_clean_all" or something
1075 void g_blow_chunks (void);
1080 GTimer* g_timer_new (void);
1081 void g_timer_destroy (GTimer *timer);
1082 void g_timer_start (GTimer *timer);
1083 void g_timer_stop (GTimer *timer);
1084 void g_timer_reset (GTimer *timer);
1085 gdouble g_timer_elapsed (GTimer *timer,
1086 gulong *microseconds);
1089 /* String utility functions
1091 #define G_STR_DELIMITERS "_-|> <."
1092 void g_strdelimit (gchar *string,
1093 const gchar *delimiters,
1094 gchar new_delimiter);
1095 gchar* g_strdup (const gchar *str);
1096 gchar* g_strconcat (const gchar *string1,
1097 ...); /* NULL terminated */
1098 gdouble g_strtod (const gchar *nptr,
1100 gchar* g_strerror (gint errnum);
1101 gchar* g_strsignal (gint signum);
1102 gint g_strcasecmp (const gchar *s1,
1104 void g_strdown (gchar *string);
1105 void g_strup (gchar *string);
1106 void g_strreverse (gchar *string);
1109 /* Retrive static string info
1111 gchar* g_get_user_name (void);
1112 gchar* g_get_real_name (void);
1113 gchar* g_get_home_dir (void);
1114 gchar* g_get_tmp_dir (void);
1115 gchar* g_get_prgname (void);
1116 void g_set_prgname (const gchar *prgname);
1119 /* Miscellaneous utility functions
1121 guint g_parse_debug_string (const gchar *string,
1124 gint g_snprintf (gchar *string,
1126 gchar const *format,
1127 ...) G_GNUC_PRINTF (3, 4);
1128 gint g_vsnprintf (gchar *string,
1130 gchar const *format,
1133 gchar* g_basename (const gchar *file_name);
1135 /* strings are newly allocated with g_malloc() */
1136 gchar* g_dirname (const gchar *file_name);
1137 gchar* g_get_current_dir (void);
1139 /* We make the assumption that if memmove isn't available, then
1140 * bcopy will do the job. This isn't safe everywhere. (bcopy can't
1141 * necessarily handle overlapping copies).
1142 * Either way, g_memmove() will not return a value.
1145 #define g_memmove(dest, src, size) G_STMT_START { \
1146 memmove ((dest), (src), (size)); \
1149 #define g_memmove(dest, src, size) G_STMT_START { \
1150 bcopy ((src), (dest), (size)); \
1158 g_bit_nth_lsf (guint32 mask,
1164 if (mask & (1 << (guint) nth_bit))
1167 while (nth_bit < 32);
1171 g_bit_nth_msf (guint32 mask,
1179 if (mask & (1 << (guint) nth_bit))
1182 while (nth_bit > 0);
1186 g_bit_storage (guint number)
1188 register guint n_bits = 0;
1193 number = number >> 1;
1201 GStringChunk* g_string_chunk_new (gint size);
1202 void g_string_chunk_free (GStringChunk *chunk);
1203 gchar* g_string_chunk_insert (GStringChunk *chunk,
1204 const gchar *string);
1205 gchar* g_string_chunk_insert_const (GStringChunk *chunk,
1206 const gchar *string);
1211 GString* g_string_new (const gchar *init);
1212 GString* g_string_sized_new (guint dfl_size);
1213 void g_string_free (GString *string,
1215 GString* g_string_assign (GString *lval,
1217 GString* g_string_truncate (GString *string,
1219 GString* g_string_append (GString *string,
1221 GString* g_string_append_c (GString *string,
1223 GString* g_string_prepend (GString *string,
1225 GString* g_string_prepend_c (GString *string,
1227 GString* g_string_insert (GString *string,
1230 GString* g_string_insert_c (GString *string,
1233 GString* g_string_erase (GString *string,
1236 GString* g_string_down (GString *string);
1237 GString* g_string_up (GString *string);
1238 void g_string_sprintf (GString *string,
1239 const gchar *format,
1240 ...) G_GNUC_PRINTF (2, 3);
1241 void g_string_sprintfa (GString *string,
1242 const gchar *format,
1243 ...) G_GNUC_PRINTF (2, 3);
1248 #define g_array_length(array,type) \
1249 (((array)->len)/sizeof(type))
1250 #define g_array_append_val(array,type,val) \
1251 g_rarray_append (array, (gpointer) &val, sizeof (type))
1252 #define g_array_append_vals(array,type,vals,nvals) \
1253 g_rarray_append (array, (gpointer) vals, sizeof (type) * nvals)
1254 #define g_array_prepend_val(array,type,val) \
1255 g_rarray_prepend (array, (gpointer) &val, sizeof (type))
1256 #define g_array_prepend_vals(array,type,vals,nvals) \
1257 g_rarray_prepend (array, (gpointer) vals, sizeof (type) * nvals)
1258 #define g_array_truncate(array,type,length) \
1259 g_rarray_truncate (array, length, sizeof (type))
1260 #define g_array_index(array,type,index) \
1261 ((type*) array->data)[index]
1263 GArray* g_array_new (gboolean zero_terminated);
1264 void g_array_free (GArray *array,
1265 gboolean free_segment);
1266 GArray* g_rarray_append (GArray *array,
1269 GArray* g_rarray_prepend (GArray *array,
1272 GArray* g_rarray_truncate (GArray *array,
1277 /* Resizable pointer array. This interface is much less complicated
1278 * than the above. Add appends appends a pointer. Remove fills any
1279 * cleared spot and shortens the array.
1281 #define g_ptr_array_index(array,index) (array->pdata)[index]
1282 GPtrArray* g_ptr_array_new (void);
1283 void g_ptr_array_free (GPtrArray *array,
1285 void g_ptr_array_set_size (GPtrArray *array,
1287 void g_ptr_array_remove_index (GPtrArray *array,
1289 gboolean g_ptr_array_remove (GPtrArray *array,
1291 void g_ptr_array_add (GPtrArray *array,
1295 /* Byte arrays, an array of guint8. Implemented as a GArray,
1298 GByteArray* g_byte_array_new (void);
1299 void g_byte_array_free (GByteArray *array,
1301 GByteArray* g_byte_array_append (GByteArray *array,
1305 GByteArray* g_byte_array_prepend (GByteArray *array,
1309 GByteArray* g_byte_array_truncate (GByteArray *array,
1315 gint g_str_equal (gconstpointer v,
1317 guint g_str_hash (gconstpointer v);
1319 gint g_int_equal (gconstpointer v,
1321 guint g_int_hash (gconstpointer v);
1323 /* This "hash" function will just return the key's adress as an
1324 * unsigned integer. Useful for hashing on plain adresses or
1325 * simple integer values.
1327 guint g_direct_hash (gconstpointer v);
1328 gint g_direct_equal (gconstpointer v,
1332 /* Quarks (string<->id association)
1334 GQuark g_quark_try_string (const gchar *string);
1335 GQuark g_quark_from_static_string (const gchar *string);
1336 GQuark g_quark_from_string (const gchar *string);
1337 gchar* g_quark_to_string (GQuark quark);
1340 /* Location Associated Data
1342 void g_dataset_destroy (gconstpointer dataset_location);
1343 gpointer g_dataset_id_get_data (gconstpointer dataset_location,
1345 void g_dataset_id_set_data_full (gconstpointer dataset_location,
1348 GDestroyNotify destroy_func);
1349 void g_dataset_id_set_destroy (gconstpointer dataset_location,
1351 GDestroyNotify destroy_func);
1352 #define g_dataset_id_set_data(l, k, d) \
1353 g_dataset_id_set_data_full ((l), (k), (d), NULL)
1354 #define g_dataset_id_remove_data(l, k) \
1355 g_dataset_id_set_data ((l), (k), NULL)
1356 #define g_dataset_get_data(l, k) \
1357 (g_dataset_id_get_data ((l), g_quark_try_string (k)))
1358 #define g_dataset_set_data_full(l, k, d, f) \
1359 g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f))
1360 #define g_dataset_set_destroy(l, k, f) \
1361 g_dataset_id_set_destroy ((l), g_quark_from_string (k), (f))
1362 #define g_dataset_set_data(l, k, d) \
1363 g_dataset_set_data_full ((l), (k), (d), NULL)
1364 #define g_dataset_remove_data(l,k) \
1365 g_dataset_set_data ((l), (k), NULL)
1368 /* GScanner: Flexible lexical scanner for general purpose.
1371 /* Character sets */
1372 #define G_CSET_A_2_Z "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1373 #define G_CSET_a_2_z "abcdefghijklmnopqrstuvwxyz"
1374 #define G_CSET_LATINC "\300\301\302\303\304\305\306"\
1375 "\307\310\311\312\313\314\315\316\317\320"\
1376 "\321\322\323\324\325\326"\
1377 "\330\331\332\333\334\335\336"
1378 #define G_CSET_LATINS "\337\340\341\342\343\344\345\346"\
1379 "\347\350\351\352\353\354\355\356\357\360"\
1380 "\361\362\363\364\365\366"\
1381 "\370\371\372\373\374\375\376\377"
1388 G_ERR_UNEXP_EOF_IN_STRING,
1389 G_ERR_UNEXP_EOF_IN_COMMENT,
1390 G_ERR_NON_DIGIT_IN_CONST,
1393 G_ERR_FLOAT_MALFORMED
1401 G_TOKEN_LEFT_PAREN = '(',
1402 G_TOKEN_RIGHT_PAREN = ')',
1403 G_TOKEN_LEFT_CURLY = '{',
1404 G_TOKEN_RIGHT_CURLY = '}',
1405 G_TOKEN_LEFT_BRACE = '[',
1406 G_TOKEN_RIGHT_BRACE = ']',
1407 G_TOKEN_EQUAL_SIGN = '=',
1408 G_TOKEN_COMMA = ',',
1424 G_TOKEN_IDENTIFIER_NULL,
1426 G_TOKEN_COMMENT_SINGLE,
1427 G_TOKEN_COMMENT_MULTI,
1434 gchar *v_identifier;
1446 struct _GScannerConfig
1450 gchar *cset_skip_characters; /* default: " \t\n" */
1451 gchar *cset_identifier_first;
1452 gchar *cset_identifier_nth;
1453 gchar *cpair_comment_single; /* default: "#\n" */
1455 /* Should symbol lookup work case sensitive?
1457 guint case_sensitive : 1;
1459 /* Boolean values to be adjusted "on the fly"
1460 * to configure scanning behaviour.
1462 guint skip_comment_multi : 1; /* C like comment */
1463 guint skip_comment_single : 1; /* single line comment */
1464 guint scan_comment_multi : 1; /* scan multi line comments? */
1465 guint scan_identifier : 1;
1466 guint scan_identifier_1char : 1;
1467 guint scan_identifier_NULL : 1;
1468 guint scan_symbols : 1;
1469 guint scan_binary : 1;
1470 guint scan_octal : 1;
1471 guint scan_float : 1;
1472 guint scan_hex : 1; /* `0x0ff0' */
1473 guint scan_hex_dollar : 1; /* `$0ff0' */
1474 guint scan_string_sq : 1; /* string: 'anything' */
1475 guint scan_string_dq : 1; /* string: "\\-escapes!\n" */
1476 guint numbers_2_int : 1; /* bin, octal, hex => int */
1477 guint int_2_float : 1; /* int => G_TOKEN_FLOAT? */
1478 guint identifier_2_string : 1;
1479 guint char_2_token : 1; /* return G_TOKEN_CHAR? */
1480 guint symbol_2_token : 1;
1481 guint scope_0_fallback : 1; /* try scope 0 on lookups? */
1488 guint max_parse_errors;
1490 /* g_scanner_error() increments this field */
1493 /* name of input stream, featured by the default message handler */
1494 const gchar *input_name;
1496 /* data pointer for derived structures */
1497 gpointer derived_data;
1499 /* link into the scanner configuration */
1500 GScannerConfig *config;
1502 /* fields filled in after g_scanner_get_next_token() */
1508 /* fields filled in after g_scanner_peek_next_token() */
1509 GTokenType next_token;
1512 guint next_position;
1514 /* to be considered private */
1515 GHashTable *symbol_table;
1522 /* handler function for _warn and _error */
1523 GScannerMsgFunc msg_handler;
1526 GScanner* g_scanner_new (GScannerConfig *config_templ);
1527 void g_scanner_destroy (GScanner *scanner);
1528 void g_scanner_input_file (GScanner *scanner,
1530 void g_scanner_input_text (GScanner *scanner,
1533 GTokenType g_scanner_get_next_token (GScanner *scanner);
1534 GTokenType g_scanner_peek_next_token (GScanner *scanner);
1535 GTokenType g_scanner_cur_token (GScanner *scanner);
1536 GValue g_scanner_cur_value (GScanner *scanner);
1537 guint g_scanner_cur_line (GScanner *scanner);
1538 guint g_scanner_cur_position (GScanner *scanner);
1539 gboolean g_scanner_eof (GScanner *scanner);
1540 guint g_scanner_set_scope (GScanner *scanner,
1542 void g_scanner_scope_add_symbol (GScanner *scanner,
1544 const gchar *symbol,
1546 void g_scanner_scope_remove_symbol (GScanner *scanner,
1548 const gchar *symbol);
1549 gpointer g_scanner_scope_lookup_symbol (GScanner *scanner,
1551 const gchar *symbol);
1552 void g_scanner_scope_foreach_symbol (GScanner *scanner,
1555 gpointer func_data);
1556 gpointer g_scanner_lookup_symbol (GScanner *scanner,
1557 const gchar *symbol);
1558 void g_scanner_freeze_symbol_table (GScanner *scanner);
1559 void g_scanner_thaw_symbol_table (GScanner *scanner);
1560 void g_scanner_unexp_token (GScanner *scanner,
1561 GTokenType expected_token,
1562 const gchar *identifier_spec,
1563 const gchar *symbol_spec,
1564 const gchar *symbol_name,
1565 const gchar *message,
1567 void g_scanner_error (GScanner *scanner,
1568 const gchar *format,
1569 ...) G_GNUC_PRINTF (2,3);
1570 void g_scanner_warn (GScanner *scanner,
1571 const gchar *format,
1572 ...) G_GNUC_PRINTF (2,3);
1573 gint g_scanner_stat_mode (const gchar *filename);
1574 /* keep downward source compatibility */
1575 #define g_scanner_add_symbol( scanner, symbol, value ) G_STMT_START { \
1576 g_scanner_scope_add_symbol ((scanner), 0, (symbol), (value)); \
1578 #define g_scanner_remove_symbol( scanner, symbol ) G_STMT_START { \
1579 g_scanner_scope_remove_symbol ((scanner), 0, (symbol)); \
1581 #define g_scanner_foreach_symbol( scanner, func, data ) G_STMT_START { \
1582 g_scanner_scope_foreach_symbol ((scanner), 0, (func), (data)); \
1591 GCompletionFunc func;
1597 GCompletion* g_completion_new (GCompletionFunc func);
1598 void g_completion_add_items (GCompletion* cmp,
1600 void g_completion_remove_items (GCompletion* cmp,
1602 void g_completion_clear_items (GCompletion* cmp);
1603 GList* g_completion_complete (GCompletion* cmp,
1605 gchar** new_prefix);
1606 void g_completion_free (GCompletion* cmp);
1609 /* GRelation: Indexed Relations. Imagine a really simple table in a
1610 * database. Relations are not ordered. This data type is meant for
1611 * maintaining a N-way mapping.
1613 * g_relation_new() creates a relation with FIELDS fields
1615 * g_relation_destroy() frees all resources
1616 * g_tuples_destroy() frees the result of g_relation_select()
1618 * g_relation_index() indexes relation FIELD with the provided
1619 * equality and hash functions. this must be done before any
1620 * calls to insert are made.
1622 * g_relation_insert() inserts a new tuple. you are expected to
1623 * provide the right number of fields.
1625 * g_relation_delete() deletes all relations with KEY in FIELD
1626 * g_relation_select() returns ...
1627 * g_relation_count() counts ...
1630 GRelation* g_relation_new (gint fields);
1631 void g_relation_destroy (GRelation *relation);
1632 void g_relation_index (GRelation *relation,
1634 GHashFunc hash_func,
1635 GCompareFunc key_compare_func);
1636 void g_relation_insert (GRelation *relation,
1638 gint g_relation_delete (GRelation *relation,
1641 GTuples* g_relation_select (GRelation *relation,
1644 gint g_relation_count (GRelation *relation,
1647 gboolean g_relation_exists (GRelation *relation,
1649 void g_relation_print (GRelation *relation);
1651 void g_tuples_destroy (GTuples *tuples);
1652 gpointer g_tuples_index (GTuples *tuples,
1662 #endif /* __cplusplus */
1665 #endif /* __G_LIB_H__ */