glib/glib.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   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.
   8  *
   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.
  13  *
  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.
  18  */
  19 #ifndef __G_LIB_H__
  20 #define __G_LIB_H__
  21
  22 #include <glibconfig.h>
  23
  24 #ifdef USE_DMALLOC
  25 #include "dmalloc.h"
  26 #endif
  27
  28
  29 /* glib provides definitions for the extrema of many
  30  *  of the standard types. These are:
  31  * G_MINFLOAT
  32  * G_MAXFLOAT
  33  * G_MINDOUBLE
  34  * G_MAXDOUBLE
  35  * G_MINSHORT
  36  * G_MAXSHORT
  37  * G_MININT
  38  * G_MAXINT
  39  * G_MINLONG
  40  * G_MAXLONG
  41  */
  42
  43 #ifdef HAVE_FLOAT_H
  44
  45 #include <float.h>
  46
  47 #define G_MINFLOAT   FLT_MIN
  48 #define G_MAXFLOAT   FLT_MAX
  49 #define G_MINDOUBLE  DBL_MIN
  50 #define G_MAXDOUBLE  DBL_MAX
  51
  52 #elif HAVE_VALUES_H
  53
  54 #include <values.h>
  55
  56 #define G_MINFLOAT  MINFLOAT
  57 #define G_MAXFLOAT  MAXFLOAT
  58 #define G_MINDOUBLE MINDOUBLE
  59 #define G_MAXDOUBLE MAXDOUBLE
  60
  61 #endif /* HAVE_VALUES_H */
  62
  63
  64 #ifdef HAVE_LIMITS_H
  65
  66 #include <limits.h>
  67
  68 #define G_MINSHORT  SHRT_MIN
  69 #define G_MAXSHORT  SHRT_MAX
  70 #define G_MININT    INT_MIN
  71 #define G_MAXINT    INT_MAX
  72 #define G_MINLONG   LONG_MIN
  73 #define G_MAXLONG   LONG_MAX
  74
  75 #elif HAVE_VALUES_H
  76
  77 #ifdef HAVE_FLOAT_H
  78 #include <values.h>
  79 #endif /* HAVE_FLOAT_H */
  80
  81 #define G_MINSHORT  MINSHORT
  82 #define G_MAXSHORT  MAXSHORT
  83 #define G_MININT    MININT
  84 #define G_MAXINT    MAXINT
  85 #define G_MINLONG   MINLONG
  86 #define G_MAXLONG   MAXLONG
  87
  88 #endif /* HAVE_VALUES_H */
  89
  90
  91 /* Provide definitions for some commonly used macros.
  92  *  Some of them are only provided if they haven't already
  93  *  been defined. It is assumed that if they are already
  94  *  defined then the current definition is correct.
  95  */
  96 #ifndef NULL
  97 #define NULL    ((void*) 0)
  98 #endif
  99
 100 #ifndef FALSE
 101 #define FALSE   (0)
 102 #endif
 103
 104 #ifndef TRUE
 105 #define TRUE    (!FALSE)
 106 #endif
 107
 108 #undef  MAX
 109 #define MAX(a, b)  (((a) > (b)) ? (a) : (b))
 110
 111 #undef  MIN
 112 #define MIN(a, b)  (((a) < (b)) ? (a) : (b))
 113
 114 #undef  ABS
 115 #define ABS(a)     (((a) < 0) ? -(a) : (a))
 116
 117 #undef  CLAMP
 118 #define CLAMP(x, low, high)  (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
 119
 120
 121 /* Provide simple enum value macro wrappers that ease automated enum value
 122  * stringification code.
 123  */
 124 #if     !defined (G_CODE_GENERATION)
 125 #define G_ENUM( EnumerationName )               EnumerationName
 126 #define G_FLAGS( EnumerationName )              EnumerationName
 127 #define G_NV( VALUE_NAME , value_nick, VALUE)   VALUE_NAME = (VALUE)
 128 #define G_SV( VALUE_NAME, value_nick )          VALUE_NAME
 129 #else   /* G_CODE_GENERATION */
 130 #define G_ENUM( EnumerationName )               G_ENUM_E + EnumerationName +
 131 #define G_FLAGS( EnumerationName )              G_ENUM_F + EnumerationName +
 132 #define G_NV( VALUE_NAME , value_nick, VALUE)   G_ENUM_V + VALUE_NAME + value_nick +
 133 #define G_SV( VALUE_NAME, value_nick )          G_ENUM_V + VALUE_NAME + value_nick +
 134 #endif  /* G_CODE_GENERATION */
 135
 136
 137 /* Provide simple macro statement wrappers (adapted from Perl):
 138  *  G_STMT_START { statements; } G_STMT_END;
 139  *  can be used as a single statement, as in
 140  *  if (x) G_STMT_START { ... } G_STMT_END; else ...
 141  *
 142  *  For gcc we will wrap the statements within `({' and `})' braces.
 143  *  For SunOS they will be wrapped within `if (1)' and `else (void) 0',
 144  *  and otherwise within `do' and `while (0)'.
 145  */
 146 #if !(defined (G_STMT_START) && defined (G_STMT_END))
 147 #  if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
 148 #    define G_STMT_START        (void)(
 149 #    define G_STMT_END          )
 150 #  else
 151 #    if (defined (sun) || defined (__sun__))
 152 #      define G_STMT_START      if (1)
 153 #      define G_STMT_END        else (void)0
 154 #    else
 155 #      define G_STMT_START      do
 156 #      define G_STMT_END        while (0)
 157 #    endif
 158 #  endif
 159 #endif
 160
 161 /* Provide macros to feature the GCC function attribute.
 162  */
 163 #if     __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
 164 #define G_GNUC_PRINTF( format_idx, arg_idx )    \
 165   __attribute__((format (printf, format_idx, arg_idx)))
 166 #define G_GNUC_SCANF( format_idx, arg_idx )     \
 167   __attribute__((format (scanf, format_idx, arg_idx)))
 168 #define G_GNUC_FORMAT( arg_idx )                \
 169   __attribute__((format_arg (arg_idx)))
 170 #define G_GNUC_NORETURN                         \
 171   __attribute__((noreturn))
 172 #define G_GNUC_CONST                            \
 173   __attribute__((const))
 174 #else   /* !__GNUC__ */
 175 #define G_GNUC_PRINTF( format_idx, arg_idx )
 176 #define G_GNUC_SCANF( format_idx, arg_idx )
 177 #define G_GNUC_FORMAT( arg_idx )
 178 #define G_GNUC_NORETURN
 179 #define G_GNUC_CONST
 180 #endif  /* !__GNUC__ */
 181
 182 /* Hacker macro to place breakpoints for x86 machines.
 183  * Actual use is strongly deprecated of course ;)
 184  */
 185 #if     defined (__i386__)
 186 #define G_BREAKPOINT()          G_STMT_START{ __asm__ ("int $03"); }G_STMT_END
 187 #else   /* !__i386__ */
 188 #define G_BREAKPOINT()
 189 #endif  /* __i386__ */
 190
 191 /* Wrap the __PRETTY_FUNCTION__ and __FUNCTION__ variables with macros,
 192  * so we can refer to them as strings unconditionally.
 193  */
 194 #ifdef  __GNUC__
 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__ */
 201
 202
 203 #ifndef ATEXIT
 204 #  ifdef HAVE_ATEXIT
 205 #    define ATEXIT(proc)   (atexit (proc))
 206 #  elif defined (HAVE_ON_EXIT)
 207 #    define ATEXIT(proc)   (on_exit ((void (*)(int, void *))(proc), NULL))
 208 #  endif
 209 #endif /* ATEXIT */
 210
 211
 212 /* Provide macros for easily allocating memory. The macros
 213  *  will cast the allocated memory to the specified type
 214  *  in order to avoid compiler warnings. (Makes the code neater).
 215  */
 216
 217 #ifdef __DMALLOC_H__
 218
 219 #define g_new(type,count)        ALLOC(type,count)
 220 #define g_new0(type,count)       CALLOC(type,count)
 221
 222 #else /* __DMALLOC_H__ */
 223
 224 #define g_new(type, count)        \
 225     ((type *) g_malloc ((unsigned) sizeof (type) * (count)))
 226 #define g_new0(type, count)       \
 227     ((type *) g_malloc0 ((unsigned) sizeof (type) * (count)))
 228 #endif /* __DMALLOC_H__ */
 229
 230 #define g_mem_chunk_create(type, pre_alloc, alloc_type) ( \
 231   g_mem_chunk_new (#type " mem chunks (" #pre_alloc ")", \
 232                    sizeof (type), \
 233                    sizeof (type) * (pre_alloc), \
 234                    (alloc_type)) \
 235 )
 236 #define g_chunk_new(type, chunk)        ( \
 237   (type *) g_mem_chunk_alloc (chunk) \
 238 )
 239 #define g_chunk_new0(type, chunk)       ( \
 240   (type *) memset (g_mem_chunk_alloc (chunk), 0, sizeof (type)) \
 241 )
 242 #define g_chunk_free(mem, mem_chunk)    G_STMT_START { \
 243   g_mem_chunk_free ((mem_chunk), (mem)); \
 244 } G_STMT_END
 245
 246 #define g_string(x) #x
 247
 248
 249 /* Provide macros for error handling. The "assert" macros will
 250  *  exit on failure. The "return" macros will exit the current
 251  *  function. Two different definitions are given for the macros
 252  *  in order to support gcc's __PRETTY_FUNCTION__ capability.
 253  */
 254
 255 #ifdef G_DISABLE_ASSERT
 256
 257 #define g_assert(expr)
 258 #define g_assert_not_reached()
 259
 260 #else /* !G_DISABLE_ASSERT */
 261
 262 #ifdef __GNUC__
 263
 264 #define g_assert(expr)                  G_STMT_START{\
 265      if (!(expr))                                    \
 266        g_error ("file %s: line %d (%s): \"%s\"",     \
 267                 __FILE__,                            \
 268                 __LINE__,                            \
 269                 __PRETTY_FUNCTION__,                 \
 270                 #expr);                 }G_STMT_END
 271
 272 #define g_assert_not_reached()          G_STMT_START{                 \
 273      g_error ("file %s: line %d (%s): \"should not be reached\"",     \
 274               __FILE__,                                               \
 275               __LINE__,                                               \
 276               __PRETTY_FUNCTION__);     }G_STMT_END
 277
 278 #else /* !__GNUC__ */
 279
 280 #define g_assert(expr)                  G_STMT_START{\
 281      if (!(expr))                                    \
 282        g_error ("file %s: line %d: \"%s\"",          \
 283                 __FILE__,                            \
 284                 __LINE__,                            \
 285                 #expr);                 }G_STMT_END
 286
 287 #define g_assert_not_reached()          G_STMT_START{                 \
 288      g_error ("file %s: line %d: \"should not be reached\"",          \
 289               __FILE__,                                               \
 290               __LINE__);                }G_STMT_END
 291
 292 #endif /* __GNUC__ */
 293
 294 #endif /* G_DISABLE_ASSERT */
 295
 296 #ifdef G_DISABLE_CHECKS
 297
 298 #define g_return_if_fail(expr)
 299 #define g_return_val_if_fail(expr,val)
 300
 301 #else /* !G_DISABLE_CHECKS */
 302
 303 #ifdef __GNUC__
 304
 305 #define g_return_if_fail(expr)          G_STMT_START{                  \
 306      if (!(expr))                                                      \
 307        {                                                               \
 308          g_warning ("file %s: line %d (%s): assertion \"%s\" failed.", \
 309                     __FILE__,                                          \
 310                     __LINE__,                                          \
 311                     __PRETTY_FUNCTION__,                               \
 312                     #expr);                                            \
 313          return;                                                       \
 314        };                               }G_STMT_END
 315
 316 #define g_return_val_if_fail(expr,val)  G_STMT_START{                  \
 317      if (!(expr))                                                      \
 318        {                                                               \
 319          g_warning ("file %s: line %d (%s): assertion \"%s\" failed.", \
 320                     __FILE__,                                          \
 321                     __LINE__,                                          \
 322                     __PRETTY_FUNCTION__,                               \
 323                     #expr);                                            \
 324          return val;                                                   \
 325        };                               }G_STMT_END
 326
 327 #else /* !__GNUC__ */
 328
 329 #define g_return_if_fail(expr)          G_STMT_START{             \
 330      if (!(expr))                                                 \
 331        {                                                          \
 332          g_warning ("file %s: line %d: assertion. \"%s\" failed", \
 333                     __FILE__,                                     \
 334                     __LINE__,                                     \
 335                     #expr);                                       \
 336          return;                                                  \
 337        };                               }G_STMT_END
 338
 339 #define g_return_val_if_fail(expr, val) G_STMT_START{             \
 340      if (!(expr))                                                 \
 341        {                                                          \
 342          g_warning ("file %s: line %d: assertion \"%s\" failed.", \
 343                     __FILE__,                                     \
 344                     __LINE__,                                     \
 345                     #expr);                                       \
 346          return val;                                              \
 347        };                               }G_STMT_END
 348
 349 #endif /* !__GNUC__ */
 350
 351 #endif /* G_DISABLE_CHECKS */
 352
 353
 354 #ifdef __cplusplus
 355 extern "C" {
 356 #pragma }
 357 #endif /* __cplusplus */
 358
 359 /* Provide type definitions for commonly used types.
 360  *  These are useful because a "gint8" can be adjusted
 361  *  to be 1 byte (8 bits) on all platforms. Similarly and
 362  *  more importantly, "gint32" can be adjusted to be
 363  *  4 bytes (32 bits) on all platforms.
 364  */
 365
 366 typedef char   gchar;
 367 typedef short  gshort;
 368 typedef long   glong;
 369 typedef int    gint;
 370 typedef gint   gboolean;
 371
 372 typedef unsigned char   guchar;
 373 typedef unsigned short  gushort;
 374 typedef unsigned long   gulong;
 375 typedef unsigned int    guint;
 376
 377 typedef float   gfloat;
 378 typedef double  gdouble;
 379
 380 /* HAVE_LONG_DOUBLE doesn't work correctly on all platforms.
 381  * Since gldouble isn't used anywhere, just disable it for now */
 382
 383 #if 0
 384 #ifdef HAVE_LONG_DOUBLE
 385 typedef long double gldouble;
 386 #else /* HAVE_LONG_DOUBLE */
 387 typedef double gldouble;
 388 #endif /* HAVE_LONG_DOUBLE */
 389 #endif /* 0 */
 390
 391 typedef void* gpointer;
 392 typedef const void *gconstpointer;
 393
 394 #if (SIZEOF_CHAR == 1)
 395 typedef signed char     gint8;
 396 typedef unsigned char   guint8;
 397 #endif /* SIZEOF_CHAR */
 398
 399
 400 #if (SIZEOF_SHORT == 2)
 401 typedef signed short    gint16;
 402 typedef unsigned short  guint16;
 403 #endif /* SIZEOF_SHORT */
 404
 405
 406 #if (SIZEOF_INT == 4)
 407 typedef signed int      gint32;
 408 typedef unsigned int    guint32;
 409 #elif (SIZEOF_LONG == 4)
 410 typedef signed long     gint32;
 411 typedef unsigned long   guint32;
 412 #endif /* SIZEOF_INT */
 413
 414 #if (SIZEOF_LONG == 8)
 415 #define HAVE_GINT64 1
 416 typedef signed long gint64;
 417 typedef unsigned long guint64;
 418 #elif (SIZEOF_LONG_LONG == 8)
 419 #define HAVE_GINT64 1
 420 typedef signed long long gint64;
 421 typedef unsigned long long guint64;
 422 #else
 423 /* No gint64 */
 424 #undef HAVE_GINT64
 425 #endif
 426
 427
 428 /* Define macros for storing integers inside pointers */
 429
 430 #if (SIZEOF_INT == SIZEOF_VOID_P)
 431
 432 #define GPOINTER_TO_INT(p) ((gint)(p))
 433 #define GPOINTER_TO_UINT(p) ((guint)(p))
 434
 435 #define GINT_TO_POINTER(i) ((gpointer)(i))
 436 #define GUINT_TO_POINTER(u) ((gpointer)(u))
 437
 438 #elif (SIZEOF_LONG == SIZEOF_VOID_P)
 439
 440 #define GPOINTER_TO_INT(p) ((gint)(glong)(p))
 441 #define GPOINTER_TO_UINT(p) ((guint)(gulong)(p))
 442
 443 #define GINT_TO_POINTER(i) ((gpointer)(glong)(i))
 444 #define GUINT_TO_POINTER(u) ((gpointer)(gulong)(u))
 445
 446 #else
 447 /* This should never happen */
 448 #endif
 449
 450 typedef gint32  gssize;
 451 typedef guint32 gsize;
 452 typedef guint32 GQuark;
 453
 454 #if 0
 455 typedef gint32  GTime;
 456 #endif
 457
 458 typedef struct _GList           GList;
 459 typedef struct _GSList          GSList;
 460 typedef struct _GHashTable      GHashTable;
 461 typedef struct _GCache          GCache;
 462 typedef struct _GTree           GTree;
 463 typedef struct _GTimer          GTimer;
 464 typedef struct _GMemChunk       GMemChunk;
 465 typedef struct _GListAllocator  GListAllocator;
 466 typedef struct _GStringChunk    GStringChunk;
 467 typedef struct _GString         GString;
 468 typedef struct _GArray          GArray;
 469 typedef struct _GPtrArray       GPtrArray;
 470 typedef struct _GByteArray      GByteArray;
 471 typedef struct _GDebugKey       GDebugKey;
 472 typedef struct _GScannerConfig  GScannerConfig;
 473 typedef struct _GScanner        GScanner;
 474 typedef union  _GValue          GValue;
 475 typedef struct _GCompletion     GCompletion;
 476 typedef struct _GRelation       GRelation;
 477 typedef struct _GTuples         GTuples;
 478
 479
 480 typedef void            (*GFunc)                (gpointer  data,
 481                                                  gpointer  user_data);
 482 typedef void            (*GHFunc)               (gpointer  key,
 483                                                  gpointer  value,
 484                                                  gpointer  user_data);
 485 typedef gpointer        (*GCacheNewFunc)        (gpointer  key);
 486 typedef gpointer        (*GCacheDupFunc)        (gpointer  value);
 487 typedef void            (*GCacheDestroyFunc)    (gpointer  value);
 488 typedef gint            (*GTraverseFunc)        (gpointer  key,
 489                                                  gpointer  value,
 490                                                  gpointer  data);
 491 typedef gint            (*GSearchFunc)          (gpointer  key,
 492                                                  gpointer  data);
 493 typedef void            (*GErrorFunc)           (gchar    *str);
 494 typedef void            (*GWarningFunc)         (gchar    *str);
 495 typedef void            (*GPrintFunc)           (gchar    *str);
 496 typedef void            (*GScannerMsgFunc)      (GScanner *scanner,
 497                                                  gchar    *message,
 498                                                  gint      error);
 499 typedef void            (*GDestroyNotify)       (gpointer  data);
 500
 501 typedef guint           (*GHashFunc)            (gconstpointer    key);
 502 typedef gint            (*GCompareFunc)         (gconstpointer    a,
 503                                                  gconstpointer    b);
 504 typedef gchar*          (*GCompletionFunc)      (gpointer);
 505
 506 struct _GList
 507 {
 508   gpointer data;
 509   GList *next;
 510   GList *prev;
 511 };
 512
 513 struct _GSList
 514 {
 515   gpointer data;
 516   GSList *next;
 517 };
 518
 519 struct _GString
 520 {
 521   gchar *str;
 522   gint len;
 523 };
 524
 525 struct _GArray
 526 {
 527   gchar *data;
 528   guint len;
 529 };
 530
 531 struct _GByteArray
 532 {
 533   guint8 *data;
 534   guint   len;
 535 };
 536
 537 struct _GPtrArray
 538 {
 539   gpointer *pdata;
 540   guint     len;
 541 };
 542
 543 struct _GTuples
 544 {
 545   guint len;
 546 };
 547
 548 struct _GDebugKey
 549 {
 550   gchar *key;
 551   guint  value;
 552 };
 553
 554 struct _GCache { gint dummy; };
 555 struct _GTree { gint dummy; };
 556 struct _GTimer { gint dummy; };
 557 struct _GMemChunk { gint dummy; };
 558 struct _GListAllocator { gint dummy; };
 559 struct _GStringChunk { gint dummy; };
 560
 561 typedef enum
 562 {
 563   G_IN_ORDER,
 564   G_PRE_ORDER,
 565   G_POST_ORDER
 566 } GTraverseType;
 567
 568 /* Doubly linked lists
 569  */
 570 GList* g_list_alloc             (void);
 571 void   g_list_free              (GList          *list);
 572 void   g_list_free_1            (GList          *list);
 573 GList* g_list_append            (GList          *list,
 574                                  gpointer        data);
 575 GList* g_list_prepend           (GList          *list,
 576                                  gpointer        data);
 577 GList* g_list_insert            (GList          *list,
 578                                  gpointer        data,
 579                                  gint            position);
 580 GList* g_list_insert_sorted     (GList          *list,
 581                                  gpointer        data,
 582                                  GCompareFunc    func);
 583 GList* g_list_concat            (GList          *list1,
 584                                  GList          *list2);
 585 GList* g_list_remove            (GList          *list,
 586                                  gpointer        data);
 587 GList* g_list_remove_link       (GList          *list,
 588                                  GList          *link);
 589 GList* g_list_reverse           (GList          *list);
 590 GList* g_list_nth               (GList          *list,
 591                                  guint           n);
 592 GList* g_list_find              (GList          *list,
 593                                  gpointer        data);
 594 GList* g_list_find_custom       (GList          *list,
 595                                  gpointer        data,
 596                                  GCompareFunc    func);
 597 gint   g_list_position          (GList          *list,
 598                                  GList          *link);
 599 gint   g_list_index             (GList          *list,
 600                                  gpointer        data);
 601 GList* g_list_last              (GList          *list);
 602 GList* g_list_first             (GList          *list);
 603 guint  g_list_length            (GList          *list);
 604 void   g_list_foreach           (GList          *list,
 605                                  GFunc           func,
 606                                  gpointer        user_data);
 607 gpointer g_list_nth_data        (GList          *list,
 608                                  guint           n);
 609
 610 #define g_list_previous(list)   ((list) ? (((GList *)(list))->prev) : NULL)
 611 #define g_list_next(list)       ((list) ? (((GList *)(list))->next) : NULL)
 612
 613 /* Singly linked lists
 614  */
 615 GSList* g_slist_alloc           (void);
 616 void    g_slist_free            (GSList         *list);
 617 void    g_slist_free_1          (GSList         *list);
 618 GSList* g_slist_append          (GSList         *list,
 619                                  gpointer        data);
 620 GSList* g_slist_prepend         (GSList         *list,
 621                                  gpointer        data);
 622 GSList* g_slist_insert          (GSList         *list,
 623                                  gpointer        data,
 624                                  gint            position);
 625 GSList* g_slist_insert_sorted   (GSList         *list,
 626                                  gpointer        data,
 627                                  GCompareFunc    func);
 628 GSList* g_slist_concat          (GSList         *list1,
 629                                  GSList         *list2);
 630 GSList* g_slist_remove          (GSList         *list,
 631                                  gpointer        data);
 632 GSList* g_slist_remove_link     (GSList         *list,
 633                                  GSList         *link);
 634 GSList* g_slist_reverse         (GSList         *list);
 635 GSList* g_slist_nth             (GSList         *list,
 636                                  guint           n);
 637 GSList* g_slist_find            (GSList         *list,
 638                                  gpointer        data);
 639 GSList* g_slist_find_custom     (GSList         *list,
 640                                  gpointer        data,
 641                                  GCompareFunc    func);
 642 gint    g_slist_position        (GSList         *list,
 643                                  GSList         *link);
 644 gint    g_slist_index           (GSList         *list,
 645                                  gpointer        data);
 646 GSList* g_slist_last            (GSList         *list);
 647 guint   g_slist_length          (GSList         *list);
 648 void    g_slist_foreach         (GSList         *list,
 649                                  GFunc           func,
 650                                  gpointer        user_data);
 651 gpointer g_slist_nth_data       (GSList         *list,
 652                                  guint           n);
 653
 654 #define g_slist_next(slist)     ((slist) ? (((GSList *)(slist))->next) : NULL)
 655
 656 /* List Allocators
 657  */
 658 GListAllocator* g_list_allocator_new  (void);
 659 void            g_list_allocator_free (GListAllocator* allocator);
 660 GListAllocator* g_slist_set_allocator (GListAllocator* allocator);
 661 GListAllocator* g_list_set_allocator  (GListAllocator* allocator);
 662
 663
 664 /* Hash tables
 665  */
 666 GHashTable* g_hash_table_new            (GHashFunc       hash_func,
 667                                          GCompareFunc    key_compare_func);
 668 void        g_hash_table_destroy        (GHashTable     *hash_table);
 669 void        g_hash_table_insert         (GHashTable     *hash_table,
 670                                          gpointer        key,
 671                                          gpointer        value);
 672 void        g_hash_table_remove         (GHashTable     *hash_table,
 673                                          gconstpointer   key);
 674 gpointer    g_hash_table_lookup         (GHashTable     *hash_table,
 675                                          gconstpointer   key);
 676 gboolean    g_hash_table_lookup_extended(GHashTable     *hash_table,
 677                                          gconstpointer   lookup_key,
 678                                          gpointer       *orig_key,
 679                                          gpointer       *value);
 680 void        g_hash_table_freeze         (GHashTable     *hash_table);
 681 void        g_hash_table_thaw           (GHashTable     *hash_table);
 682 void        g_hash_table_foreach        (GHashTable     *hash_table,
 683                                          GHFunc          func,
 684                                          gpointer        user_data);
 685 gint        g_hash_table_size           (GHashTable     *hash_table);
 686
 687
 688 /* Caches
 689  */
 690 GCache*  g_cache_new           (GCacheNewFunc      value_new_func,
 691                                 GCacheDestroyFunc  value_destroy_func,
 692                                 GCacheDupFunc      key_dup_func,
 693                                 GCacheDestroyFunc  key_destroy_func,
 694                                 GHashFunc          hash_key_func,
 695                                 GHashFunc          hash_value_func,
 696                                 GCompareFunc       key_compare_func);
 697 void     g_cache_destroy       (GCache            *cache);
 698 gpointer g_cache_insert        (GCache            *cache,
 699                                 gpointer           key);
 700 void     g_cache_remove        (GCache            *cache,
 701                                 gpointer           value);
 702 void     g_cache_key_foreach   (GCache            *cache,
 703                                 GHFunc             func,
 704                                 gpointer           user_data);
 705 void     g_cache_value_foreach (GCache            *cache,
 706                                 GHFunc             func,
 707                                 gpointer           user_data);
 708
 709
 710 /* Trees
 711  */
 712 GTree*   g_tree_new      (GCompareFunc   key_compare_func);
 713 void     g_tree_destroy  (GTree         *tree);
 714 void     g_tree_insert   (GTree         *tree,
 715                           gpointer       key,
 716                           gpointer       value);
 717 void     g_tree_remove   (GTree         *tree,
 718                           gpointer       key);
 719 gpointer g_tree_lookup   (GTree         *tree,
 720                           gpointer       key);
 721 void     g_tree_traverse (GTree         *tree,
 722                           GTraverseFunc  traverse_func,
 723                           GTraverseType  traverse_type,
 724                           gpointer       data);
 725 gpointer g_tree_search   (GTree         *tree,
 726                           GSearchFunc    search_func,
 727                           gpointer       data);
 728 gint     g_tree_height   (GTree         *tree);
 729 gint     g_tree_nnodes   (GTree         *tree);
 730
 731
 732 /* Memory
 733  */
 734
 735 #ifdef USE_DMALLOC
 736
 737 #define g_malloc(size)       (gpointer) MALLOC(size)
 738 #define g_malloc0(size)      (gpointer) CALLOC(char,size)
 739 #define g_realloc(mem,size)  (gpointer) REALLOC(mem,char,size)
 740 #define g_free(mem)          FREE(mem)
 741
 742 #else /* USE_DMALLOC */
 743
 744 gpointer g_malloc      (gulong    size);
 745 gpointer g_malloc0     (gulong    size);
 746 gpointer g_realloc     (gpointer  mem,
 747                         gulong    size);
 748 void     g_free        (gpointer  mem);
 749
 750 #endif /* USE_DMALLOC */
 751
 752 void     g_mem_profile (void);
 753 void     g_mem_check   (gpointer  mem);
 754
 755
 756 /* "g_mem_chunk_new" creates a new memory chunk.
 757  * Memory chunks are used to allocate pieces of memory which are
 758  *  always the same size. Lists are a good example of such a data type.
 759  * The memory chunk allocates and frees blocks of memory as needed.
 760  *  Just be sure to call "g_mem_chunk_free" and not "g_free" on data
 761  *  allocated in a mem chunk. ("g_free" will most likely cause a seg
 762  *  fault...somewhere).
 763  *
 764  * Oh yeah, GMemChunk is an opaque data type. (You don't really
 765  *  want to know what's going on inside do you?)
 766  */
 767
 768 /* ALLOC_ONLY MemChunk's can only allocate memory. The free operation
 769  *  is interpreted as a no op. ALLOC_ONLY MemChunk's save 4 bytes per
 770  *  atom. (They are also useful for lists which use MemChunk to allocate
 771  *  memory but are also part of the MemChunk implementation).
 772  * ALLOC_AND_FREE MemChunk's can allocate and free memory.
 773  */
 774
 775 #define G_ALLOC_ONLY      1
 776 #define G_ALLOC_AND_FREE  2
 777
 778 GMemChunk* g_mem_chunk_new     (gchar     *name,
 779                                 gint       atom_size,
 780                                 gulong     area_size,
 781                                 gint       type);
 782 void       g_mem_chunk_destroy (GMemChunk *mem_chunk);
 783 gpointer   g_mem_chunk_alloc   (GMemChunk *mem_chunk);
 784 void       g_mem_chunk_free    (GMemChunk *mem_chunk,
 785                                 gpointer   mem);
 786 void       g_mem_chunk_clean   (GMemChunk *mem_chunk);
 787 void       g_mem_chunk_reset   (GMemChunk *mem_chunk);
 788 void       g_mem_chunk_print   (GMemChunk *mem_chunk);
 789 void       g_mem_chunk_info    (void);
 790
 791 /* Ah yes...we have a "g_blow_chunks" function.
 792  * "g_blow_chunks" simply compresses all the chunks. This operation
 793  *  consists of freeing every memory area that should be freed (but
 794  *  which we haven't gotten around to doing yet). And, no,
 795  *  "g_blow_chunks" doesn't follow the naming scheme, but it is a
 796  *  much better name than "g_mem_chunk_clean_all" or something
 797  *  similar.
 798  */
 799 void g_blow_chunks (void);
 800
 801
 802 /* Timer
 803  */
 804 GTimer* g_timer_new     (void);
 805 void    g_timer_destroy (GTimer  *timer);
 806 void    g_timer_start   (GTimer  *timer);
 807 void    g_timer_stop    (GTimer  *timer);
 808 void    g_timer_reset   (GTimer  *timer);
 809 gdouble g_timer_elapsed (GTimer  *timer,
 810                          gulong  *microseconds);
 811
 812
 813 /* Output
 814  */
 815 void g_error   (const gchar *format, ...) G_GNUC_PRINTF (1, 2);
 816 void g_warning (const gchar *format, ...) G_GNUC_PRINTF (1, 2);
 817 void g_message (const gchar *format, ...) G_GNUC_PRINTF (1, 2);
 818 void g_print   (const gchar *format, ...) G_GNUC_PRINTF (1, 2);
 819
 820
 821 /* String utility functions
 822  */
 823 #define G_STR_DELIMITERS     "_-|> <."
 824 void    g_strdelimit            (gchar       *string,
 825                                  const gchar *delimiters,
 826                                  gchar        new_delimiter);
 827 gchar*  g_strdup                (const gchar *str);
 828 gchar*  g_strconcat             (const gchar *string1,
 829                                  ...); /* NULL terminated */
 830 gdouble g_strtod                (const gchar *nptr,
 831                                  gchar      **endptr);
 832 gchar*  g_strerror              (gint         errnum);
 833 gchar*  g_strsignal             (gint         signum);
 834 gint    g_strcasecmp            (const gchar *s1,
 835                                  const gchar *s2);
 836 void    g_strdown               (gchar       *string);
 837 void    g_strup                 (gchar       *string);
 838 void    g_strreverse            (gchar       *string);
 839
 840
 841 /* Retrive static info
 842  */
 843 gchar*  g_get_user_name         (void);
 844 gchar*  g_get_real_name         (void);
 845 gchar*  g_get_home_dir          (void);
 846 gchar*  g_get_tmp_dir           (void);
 847 gchar*  g_get_prgname           (void);
 848 void    g_set_prgname           (const gchar *prgname);
 849
 850
 851 /* Miscellaneous utility functions
 852  */
 853 guint   g_parse_debug_string    (const gchar *string,
 854                                  GDebugKey   *keys,
 855                                  guint        nkeys);
 856 gint    g_snprintf              (gchar       *string,
 857                                  gulong       n,
 858                                  gchar const *format,
 859                                  ...) G_GNUC_PRINTF (3, 4);
 860 gchar*  g_basename              (const gchar *file_name);
 861 gchar*  g_dirname               (const gchar *file_name);
 862 #if 0
 863 gchar*  g_getcwd                (void);
 864 #endif
 865
 866
 867 /* We make the assumption that if memmove isn't available, then
 868  * bcopy will do the job. This isn't safe everywhere. (bcopy can't
 869  * necessarily handle overlapping copies) */
 870 #ifdef HAVE_MEMMOVE
 871 #define g_memmove memmove
 872 #else
 873 #define g_memmove(a,b,c) bcopy(b,a,c)
 874 #endif
 875
 876 /* Errors
 877  */
 878 GErrorFunc   g_set_error_handler   (GErrorFunc   func);
 879 GWarningFunc g_set_warning_handler (GWarningFunc func);
 880 GPrintFunc   g_set_message_handler (GPrintFunc func);
 881 GPrintFunc   g_set_print_handler   (GPrintFunc func);
 882
 883 void g_debug          (const gchar *progname);
 884 void g_attach_process (const gchar *progname,
 885                        gint         query);
 886 void g_stack_trace    (const gchar *progname,
 887                        gint         query);
 888
 889
 890
 891 /* String Chunks
 892  */
 893 GStringChunk* g_string_chunk_new           (gint size);
 894 void          g_string_chunk_free          (GStringChunk *chunk);
 895 gchar*        g_string_chunk_insert        (GStringChunk *chunk,
 896                                             const gchar  *string);
 897 gchar*        g_string_chunk_insert_const  (GStringChunk *chunk,
 898                                             const gchar  *string);
 899
 900 /* Strings
 901  */
 902 GString* g_string_new       (const gchar *init);
 903 GString* g_string_sized_new (guint        dfl_size);
 904 void     g_string_free      (GString     *string,
 905                              gint         free_segment);
 906 GString* g_string_assign    (GString     *lval,
 907                              const gchar *rval);
 908 GString* g_string_truncate  (GString     *string,
 909                              gint         len);
 910 GString* g_string_append    (GString     *string,
 911                              const gchar *val);
 912 GString* g_string_append_c  (GString     *string,
 913                              gchar        c);
 914 GString* g_string_prepend   (GString     *string,
 915                              const gchar *val);
 916 GString* g_string_prepend_c (GString     *string,
 917                              gchar        c);
 918 GString* g_string_insert    (GString     *string,
 919                              gint         pos,
 920                              const gchar *val);
 921 GString* g_string_insert_c  (GString     *string,
 922                              gint         pos,
 923                              gchar        c);
 924 GString* g_string_erase     (GString     *string,
 925                              gint         pos,
 926                              gint         len);
 927 GString* g_string_down      (GString     *string);
 928 GString* g_string_up        (GString     *string);
 929 void     g_string_sprintf   (GString     *string,
 930                              const gchar *format,
 931                              ...) G_GNUC_PRINTF (2, 3);
 932 void     g_string_sprintfa  (GString     *string,
 933                              const gchar *format,
 934                              ...) G_GNUC_PRINTF (2, 3);
 935
 936 /* Resizable arrays
 937  */
 938 #define g_array_length(array,type) \
 939      (((array)->len)/sizeof(type))
 940 #define g_array_append_val(array,type,val) \
 941      g_rarray_append (array, (gpointer) &val, sizeof (type))
 942 #define g_array_append_vals(array,type,vals,nvals) \
 943      g_rarray_append (array, (gpointer) vals, sizeof (type) * nvals)
 944 #define g_array_prepend_val(array,type,val) \
 945      g_rarray_prepend (array, (gpointer) &val, sizeof (type))
 946 #define g_array_prepend_vals(array,type,vals,nvals) \
 947      g_rarray_prepend (array, (gpointer) vals, sizeof (type) * nvals)
 948 #define g_array_truncate(array,type,length) \
 949      g_rarray_truncate (array, length, sizeof (type))
 950 #define g_array_index(array,type,index) \
 951      ((type*) array->data)[index]
 952
 953 GArray* g_array_new       (gint      zero_terminated);
 954 void    g_array_free      (GArray   *array,
 955                            gint      free_segment);
 956 GArray* g_rarray_append   (GArray   *array,
 957                            gpointer  data,
 958                            gint      size);
 959 GArray* g_rarray_prepend  (GArray   *array,
 960                            gpointer  data,
 961                            gint      size);
 962 GArray* g_rarray_truncate (GArray   *array,
 963                            gint      length,
 964                            gint      size);
 965
 966 /* Resizable pointer array.  This interface is much less complicated
 967  * than the above.  Add appends appends a pointer.  Remove fills any
 968  * cleared spot and shortens the array.
 969  */
 970
 971 #define     g_ptr_array_index(array,index) (array->pdata)[index]
 972
 973 GPtrArray*  g_ptr_array_new                (void);
 974 void        g_ptr_array_free               (GPtrArray   *array,
 975                                             gboolean     free_seg);
 976 void        g_ptr_array_set_size           (GPtrArray   *array,
 977                                             gint         length);
 978 void        g_ptr_array_remove_index       (GPtrArray   *array,
 979                                             gint         index);
 980 gboolean    g_ptr_array_remove             (GPtrArray   *array,
 981                                             gpointer     data);
 982 void        g_ptr_array_add                (GPtrArray   *array,
 983                                             gpointer     data);
 984
 985 /* Byte arrays, an array of guint8.  Implemented as a GArray,
 986  * but type-safe.
 987  */
 988
 989 GByteArray* g_byte_array_new      (void);
 990 void        g_byte_array_free     (GByteArray *array,
 991                                    gint        free_segment);
 992
 993 GByteArray* g_byte_array_append   (GByteArray   *array,
 994                                    const guint8 *data,
 995                                    guint         len);
 996
 997 GByteArray* g_byte_array_prepend  (GByteArray   *array,
 998                                    const guint8 *data,
 999                                    guint         len);
1000
1001 GByteArray* g_byte_array_truncate (GByteArray *array,
1002                                    gint        length);
1003
1004
1005 /* Hash Functions
1006  */
1007 gint  g_str_equal (gconstpointer   v,
1008                    gconstpointer   v2);
1009 guint g_str_hash  (gconstpointer v);
1010
1011 gint  g_int_equal (gconstpointer v,
1012                    gconstpointer v2);
1013 guint g_int_hash  (gconstpointer v);
1014
1015 /* This "hash" function will just return the key's adress as an
1016  * unsigned integer. Useful for hashing on plain adresses or
1017  * simple integer values.
1018  */
1019 guint g_direct_hash  (gconstpointer v);
1020 gint  g_direct_equal (gconstpointer v,
1021                       gconstpointer v2);
1022
1023
1024 /* Quarks (string<->id association)
1025  */
1026 GQuark    g_quark_try_string            (const gchar    *string);
1027 GQuark    g_quark_from_static_string    (const gchar    *string);
1028 GQuark    g_quark_from_string           (const gchar    *string);
1029 gchar*    g_quark_to_string             (GQuark          quark);
1030
1031 /* Location Associated Data
1032  */
1033 void      g_dataset_destroy             (gconstpointer   dataset_location);
1034 gpointer  g_dataset_id_get_data         (gconstpointer   dataset_location,
1035                                          GQuark          key_id);
1036 void      g_dataset_id_set_data_full    (gconstpointer   dataset_location,
1037                                          GQuark          key_id,
1038                                          gpointer        data,
1039                                          GDestroyNotify  destroy_func);
1040 void      g_dataset_id_set_destroy      (gconstpointer   dataset_location,
1041                                          GQuark          key_id,
1042                                          GDestroyNotify  destroy_func);
1043
1044 #define   g_dataset_id_set_data(l,k,d)  G_STMT_START{g_dataset_id_set_data_full((l),(k),(d),NULL);}G_STMT_END
1045 #define   g_dataset_id_remove_data(l,k) G_STMT_START{g_dataset_id_set_data((l),(k),NULL);}G_STMT_END
1046 #define   g_dataset_get_data(l,k)       (g_dataset_id_get_data((l),g_quark_try_string(k)))
1047 #define   g_dataset_set_data_full(l,k,d,f) G_STMT_START{g_dataset_id_set_data_full((l),g_quark_from_string(k),(d),(f));}G_STMT_END
1048 #define   g_dataset_set_destroy(l,k,f)  G_STMT_START{g_dataset_id_set_destroy((l),g_quark_from_string(k),(f));}G_STMT_END
1049 #define   g_dataset_set_data(l,k,d)     G_STMT_START{g_dataset_set_data_full((l),(k),(d),NULL);}G_STMT_END
1050 #define   g_dataset_remove_data(l,k)    G_STMT_START{g_dataset_set_data((l),(k),NULL);}G_STMT_END
1051
1052
1053 /* GScanner: Flexible lexical scanner for general purpose.
1054  */
1055
1056 /* Character sets */
1057 #define G_CSET_A_2_Z    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
1058 #define G_CSET_a_2_z    "abcdefghijklmnopqrstuvwxyz"
1059 #define G_CSET_LATINC   "\300\301\302\303\304\305\306"\
1060                         "\307\310\311\312\313\314\315\316\317\320"\
1061                         "\321\322\323\324\325\326"\
1062                         "\330\331\332\333\334\335\336"
1063 #define G_CSET_LATINS   "\337\340\341\342\343\344\345\346"\
1064                         "\347\350\351\352\353\354\355\356\357\360"\
1065                         "\361\362\363\364\365\366"\
1066                         "\370\371\372\373\374\375\376\377"
1067
1068 /* Error types */
1069 typedef enum
1070 {
1071   G_ERR_UNKNOWN,
1072   G_ERR_UNEXP_EOF,
1073   G_ERR_UNEXP_EOF_IN_STRING,
1074   G_ERR_UNEXP_EOF_IN_COMMENT,
1075   G_ERR_NON_DIGIT_IN_CONST,
1076   G_ERR_DIGIT_RADIX,
1077   G_ERR_FLOAT_RADIX,
1078   G_ERR_FLOAT_MALFORMED
1079 } GErrorType;
1080
1081 /* Token types */
1082 typedef enum
1083 {
1084   G_TOKEN_EOF                   =   0,
1085
1086   G_TOKEN_LEFT_PAREN            = '(',
1087   G_TOKEN_RIGHT_PAREN           = ')',
1088   G_TOKEN_LEFT_CURLY            = '{',
1089   G_TOKEN_RIGHT_CURLY           = '}',
1090   G_TOKEN_LEFT_BRACE            = '[',
1091   G_TOKEN_RIGHT_BRACE           = ']',
1092   G_TOKEN_EQUAL_SIGN            = '=',
1093   G_TOKEN_COMMA                 = ',',
1094
1095   G_TOKEN_NONE                  = 256,
1096
1097   G_TOKEN_ERROR,
1098
1099   G_TOKEN_CHAR,
1100   G_TOKEN_BINARY,
1101   G_TOKEN_OCTAL,
1102   G_TOKEN_INT,
1103   G_TOKEN_HEX,
1104   G_TOKEN_FLOAT,
1105   G_TOKEN_STRING,
1106
1107   G_TOKEN_SYMBOL,
1108   G_TOKEN_IDENTIFIER,
1109   G_TOKEN_IDENTIFIER_NULL,
1110
1111   G_TOKEN_COMMENT_SINGLE,
1112   G_TOKEN_COMMENT_MULTI,
1113   G_TOKEN_LAST
1114 } GTokenType;
1115
1116 union   _GValue
1117 {
1118   gpointer      v_symbol;
1119   gchar         *v_identifier;
1120   gulong        v_binary;
1121   gulong        v_octal;
1122   gulong        v_int;
1123   gdouble       v_float;
1124   gulong        v_hex;
1125   gchar         *v_string;
1126   gchar         *v_comment;
1127   guchar        v_char;
1128   guint         v_error;
1129 };
1130
1131 struct  _GScannerConfig
1132 {
1133   /* Character sets
1134    */
1135   gchar         *cset_skip_characters;          /* default: " \t\n" */
1136   gchar         *cset_identifier_first;
1137   gchar         *cset_identifier_nth;
1138   gchar         *cpair_comment_single;          /* default: "#\n" */
1139
1140   /* Should symbol lookup work case sensitive?
1141    */
1142   guint         case_sensitive : 1;
1143
1144   /* Boolean values to be adjusted "on the fly"
1145    * to configure scanning behaviour.
1146    */
1147   guint         skip_comment_multi : 1;         /* C like comment */
1148   guint         skip_comment_single : 1;        /* single line comment */
1149   guint         scan_comment_multi : 1;         /* scan multi line comments? */
1150   guint         scan_identifier : 1;
1151   guint         scan_identifier_1char : 1;
1152   guint         scan_identifier_NULL : 1;
1153   guint         scan_symbols : 1;
1154   guint         scan_binary : 1;
1155   guint         scan_octal : 1;
1156   guint         scan_float : 1;
1157   guint         scan_hex : 1;                   /* `0x0ff0' */
1158   guint         scan_hex_dollar : 1;            /* `$0ff0' */
1159   guint         scan_string_sq : 1;             /* string: 'anything' */
1160   guint         scan_string_dq : 1;             /* string: "\\-escapes!\n" */
1161   guint         numbers_2_int : 1;              /* bin, octal, hex => int */
1162   guint         int_2_float : 1;                /* int => G_TOKEN_FLOAT? */
1163   guint         identifier_2_string : 1;
1164   guint         char_2_token : 1;               /* return G_TOKEN_CHAR? */
1165   guint         symbol_2_token : 1;
1166   guint         scope_0_fallback : 1;           /* try scope 0 on lookups? */
1167 };
1168
1169 struct  _GScanner
1170 {
1171   /* unused fields */
1172   gpointer              user_data;
1173   guint                 max_parse_errors;
1174
1175   /* g_scanner_error() increments this field */
1176   guint                 parse_errors;
1177
1178   /* name of input stream, featured by the default message handler */
1179   const gchar           *input_name;
1180
1181   /* data pointer for derived structures */
1182   gpointer              derived_data;
1183
1184   /* link into the scanner configuration */
1185   GScannerConfig        *config;
1186
1187   /* fields filled in after g_scanner_get_next_token() */
1188   GTokenType            token;
1189   GValue                value;
1190   guint                 line;
1191   guint                 position;
1192
1193   /* fields filled in after g_scanner_peek_next_token() */
1194   GTokenType            next_token;
1195   GValue                next_value;
1196   guint                 next_line;
1197   guint                 next_position;
1198
1199   /* to be considered private */
1200   GHashTable            *symbol_table;
1201   const gchar           *text;
1202   guint                 text_len;
1203   gint                  input_fd;
1204   gint                  peeked_char;
1205   guint                 scope_id;
1206
1207   /* handler function for _warn and _error */
1208   GScannerMsgFunc       msg_handler;
1209 };
1210
1211 GScanner*       g_scanner_new                   (GScannerConfig *config_templ);
1212 void            g_scanner_destroy               (GScanner       *scanner);
1213 void            g_scanner_input_file            (GScanner       *scanner,
1214                                                  gint           input_fd);
1215 void            g_scanner_input_text            (GScanner       *scanner,
1216                                                  const  gchar   *text,
1217                                                  guint          text_len);
1218 GTokenType      g_scanner_get_next_token        (GScanner       *scanner);
1219 GTokenType      g_scanner_peek_next_token       (GScanner       *scanner);
1220 GTokenType      g_scanner_cur_token             (GScanner       *scanner);
1221 GValue          g_scanner_cur_value             (GScanner       *scanner);
1222 guint           g_scanner_cur_line              (GScanner       *scanner);
1223 guint           g_scanner_cur_position          (GScanner       *scanner);
1224 gboolean        g_scanner_eof                   (GScanner       *scanner);
1225 guint           g_scanner_set_scope             (GScanner       *scanner,
1226                                                  guint           scope_id);
1227 void            g_scanner_scope_add_symbol      (GScanner       *scanner,
1228                                                  guint           scope_id,
1229                                                  const gchar    *symbol,
1230                                                  gpointer       value);
1231 void            g_scanner_scope_remove_symbol   (GScanner       *scanner,
1232                                                  guint           scope_id,
1233                                                  const gchar    *symbol);
1234 gpointer        g_scanner_scope_lookup_symbol   (GScanner       *scanner,
1235                                                  guint           scope_id,
1236                                                  const gchar    *symbol);
1237 void            g_scanner_scope_foreach_symbol  (GScanner       *scanner,
1238                                                  guint           scope_id,
1239                                                  GHFunc          func,
1240                                                  gpointer        func_data);
1241 gpointer        g_scanner_lookup_symbol         (GScanner       *scanner,
1242                                                  const gchar    *symbol);
1243 void            g_scanner_freeze_symbol_table   (GScanner       *scanner);
1244 void            g_scanner_thaw_symbol_table     (GScanner       *scanner);
1245 void            g_scanner_unexp_token           (GScanner       *scanner,
1246                                                  GTokenType     expected_token,
1247                                                  const gchar    *identifier_spec,
1248                                                  const gchar    *symbol_spec,
1249                                                  const gchar    *symbol_name,
1250                                                  const gchar    *message,
1251                                                  gint            is_error);
1252 void            g_scanner_error                 (GScanner       *scanner,
1253                                                  const gchar    *format,
1254                                                  ...) G_GNUC_PRINTF (2,3);
1255 void            g_scanner_warn                  (GScanner       *scanner,
1256                                                  const gchar    *format,
1257                                                  ...) G_GNUC_PRINTF (2,3);
1258 gint            g_scanner_stat_mode             (const gchar    *filename);
1259 /* keep downward source compatibility */
1260 #define         g_scanner_add_symbol( scanner, symbol, value )  G_STMT_START { \
1261   g_scanner_scope_add_symbol ((scanner), 0, (symbol), (value)); \
1262 } G_STMT_END
1263 #define         g_scanner_remove_symbol( scanner, symbol )      G_STMT_START { \
1264   g_scanner_scope_remove_symbol ((scanner), 0, (symbol)); \
1265 } G_STMT_END
1266 #define         g_scanner_foreach_symbol( scanner, func, data ) G_STMT_START { \
1267   g_scanner_scope_foreach_symbol ((scanner), 0, (func), (data)); \
1268 } G_STMT_END
1269
1270
1271
1272 /* Completion */
1273
1274 struct _GCompletion
1275 {
1276   GList* items;
1277   GCompletionFunc func;
1278
1279   gchar* prefix;
1280   GList* cache;
1281 };
1282
1283 GCompletion* g_completion_new          (GCompletionFunc func);
1284 void         g_completion_add_items    (GCompletion*    cmp,
1285                                         GList*          items);
1286 void         g_completion_remove_items (GCompletion*    cmp,
1287                                         GList*          items);
1288 void         g_completion_clear_items  (GCompletion*    cmp);
1289 GList*       g_completion_complete     (GCompletion*    cmp,
1290                                         gchar*          prefix,
1291                                         gchar**         new_prefix);
1292 void         g_completion_free         (GCompletion*    cmp);
1293
1294
1295 /* GRelation: Indexed Relations.  Imagine a really simple table in a
1296  * database.  Relations are not ordered.  This data type is meant for
1297  * maintaining a N-way mapping.
1298  *
1299  * g_relation_new() creates a relation with FIELDS fields
1300  *
1301  * g_relation_destroy() frees all resources
1302  * g_tuples_destroy() frees the result of g_relation_select()
1303  *
1304  * g_relation_index() indexes relation FIELD with the provided
1305  *   equality and hash functions.  this must be done before any
1306  *   calls to insert are made.
1307  *
1308  * g_relation_insert() inserts a new tuple.  you are expected to
1309  *   provide the right number of fields.
1310  *
1311  * g_relation_delete() deletes all relations with KEY in FIELD
1312  * g_relation_select() returns ...
1313  * g_relation_count() counts ...
1314  */
1315
1316 GRelation* g_relation_new     (gint         fields);
1317 void       g_relation_destroy (GRelation   *relation);
1318 void       g_relation_index   (GRelation   *relation,
1319                                gint         field,
1320                                GHashFunc    hash_func,
1321                                GCompareFunc key_compare_func);
1322 void       g_relation_insert  (GRelation   *relation,
1323                                ...);
1324 gint       g_relation_delete  (GRelation   *relation,
1325                                gconstpointer  key,
1326                                gint         field);
1327 GTuples*   g_relation_select  (GRelation   *relation,
1328                                gconstpointer  key,
1329                                gint         field);
1330 gint       g_relation_count   (GRelation   *relation,
1331                                gconstpointer  key,
1332                                gint         field);
1333 gboolean   g_relation_exists  (GRelation   *relation,
1334                                ...);
1335 void       g_relation_print   (GRelation   *relation);
1336
1337 void       g_tuples_destroy   (GTuples     *tuples);
1338 gpointer   g_tuples_index     (GTuples     *tuples,
1339                                gint         index,
1340                                gint         field);
1341
1342
1343 /* Glib version.
1344  */
1345 extern const guint glib_major_version;
1346 extern const guint glib_minor_version;
1347 extern const guint glib_micro_version;
1348
1349 #ifdef __cplusplus
1350 }
1351 #endif /* __cplusplus */
1352
1353
1354 #endif /* __G_LIB_H__ */