glib/gtypes.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 Lesser 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  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser 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
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __G_TYPES_H__
  28 #define __G_TYPES_H__
  29
  30 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  31 #error "Only <glib.h> can be included directly."
  32 #endif
  33
  34 #include <glibconfig.h>
  35 #include <glib/gmacros.h>
  36 #include <glib/gversionmacros.h>
  37 #include <time.h>
  38
  39 G_BEGIN_DECLS
  40
  41 /* Provide type definitions for commonly used types.
  42  *  These are useful because a "gint8" can be adjusted
  43  *  to be 1 byte (8 bits) on all platforms. Similarly and
  44  *  more importantly, "gint32" can be adjusted to be
  45  *  4 bytes (32 bits) on all platforms.
  46  */
  47
  48 typedef char   gchar;
  49 typedef short  gshort;
  50 typedef long   glong;
  51 typedef int    gint;
  52 typedef gint   gboolean;
  53
  54 typedef unsigned char   guchar;
  55 typedef unsigned short  gushort;
  56 typedef unsigned long   gulong;
  57 typedef unsigned int    guint;
  58
  59 typedef float   gfloat;
  60 typedef double  gdouble;
  61
  62 /* Define min and max constants for the fixed size numerical types */
  63 #define G_MININT8       ((gint8)  0x80)
  64 #define G_MAXINT8       ((gint8)  0x7f)
  65 #define G_MAXUINT8      ((guint8) 0xff)
  66
  67 #define G_MININT16      ((gint16)  0x8000)
  68 #define G_MAXINT16      ((gint16)  0x7fff)
  69 #define G_MAXUINT16     ((guint16) 0xffff)
  70
  71 #define G_MININT32      ((gint32)  0x80000000)
  72 #define G_MAXINT32      ((gint32)  0x7fffffff)
  73 #define G_MAXUINT32     ((guint32) 0xffffffff)
  74
  75 #define G_MININT64      ((gint64) G_GINT64_CONSTANT(0x8000000000000000))
  76 #define G_MAXINT64      G_GINT64_CONSTANT(0x7fffffffffffffff)
  77 #define G_MAXUINT64     G_GINT64_CONSTANT(0xffffffffffffffffU)
  78
  79 typedef void* gpointer;
  80 typedef const void *gconstpointer;
  81
  82 typedef gint            (*GCompareFunc)         (gconstpointer  a,
  83                                                  gconstpointer  b);
  84 typedef gint            (*GCompareDataFunc)     (gconstpointer  a,
  85                                                  gconstpointer  b,
  86                                                  gpointer       user_data);
  87 typedef gboolean        (*GEqualFunc)           (gconstpointer  a,
  88                                                  gconstpointer  b);
  89 typedef void            (*GDestroyNotify)       (gpointer       data);
  90 typedef void            (*GFunc)                (gpointer       data,
  91                                                  gpointer       user_data);
  92 typedef guint           (*GHashFunc)            (gconstpointer  key);
  93 typedef void            (*GHFunc)               (gpointer       key,
  94                                                  gpointer       value,
  95                                                  gpointer       user_data);
  96
  97 /**
  98  * GFreeFunc:
  99  * @data: a data pointer
 100  *
 101  * Declares a type of function which takes an arbitrary
 102  * data pointer argument and has no return value. It is
 103  * not currently used in GLib or GTK+.
 104  */
 105 typedef void            (*GFreeFunc)            (gpointer       data);
 106
 107 /**
 108  * GTranslateFunc:
 109  * @str: the untranslated string
 110  * @data: user data specified when installing the function, e.g.
 111  *  in g_option_group_set_translate_func()
 112  *
 113  * The type of functions which are used to translate user-visible
 114  * strings, for <option>--help</option> output.
 115  *
 116  * Returns: a translation of the string for the current locale.
 117  *  The returned string is owned by GLib and must not be freed.
 118  */
 119 typedef const gchar *   (*GTranslateFunc)       (const gchar   *str,
 120                                                  gpointer       data);
 121
 122
 123 /* Define some mathematical constants that aren't available
 124  * symbolically in some strict ISO C implementations.
 125  *
 126  * Note that the large number of digits used in these definitions
 127  * doesn't imply that GLib or current computers in general would be
 128  * able to handle floating point numbers with an accuracy like this.
 129  * It's mostly an exercise in futility and future proofing. For
 130  * extended precision floating point support, look somewhere else
 131  * than GLib.
 132  */
 133 #define G_E     2.7182818284590452353602874713526624977572470937000
 134 #define G_LN2   0.69314718055994530941723212145817656807550013436026
 135 #define G_LN10  2.3025850929940456840179914546843642076011014886288
 136 #define G_PI    3.1415926535897932384626433832795028841971693993751
 137 #define G_PI_2  1.5707963267948966192313216916397514420985846996876
 138 #define G_PI_4  0.78539816339744830961566084581987572104929234984378
 139 #define G_SQRT2 1.4142135623730950488016887242096980785696718753769
 140
 141 /* Portable endian checks and conversions
 142  *
 143  * glibconfig.h defines G_BYTE_ORDER which expands to one of
 144  * the below macros.
 145  */
 146 #define G_LITTLE_ENDIAN 1234
 147 #define G_BIG_ENDIAN    4321
 148 #define G_PDP_ENDIAN    3412            /* unused, need specific PDP check */
 149
 150
 151 /* Basic bit swapping functions
 152  */
 153 #define GUINT16_SWAP_LE_BE_CONSTANT(val)        ((guint16) ( \
 154     (guint16) ((guint16) (val) >> 8) |  \
 155     (guint16) ((guint16) (val) << 8)))
 156
 157 #define GUINT32_SWAP_LE_BE_CONSTANT(val)        ((guint32) ( \
 158     (((guint32) (val) & (guint32) 0x000000ffU) << 24) | \
 159     (((guint32) (val) & (guint32) 0x0000ff00U) <<  8) | \
 160     (((guint32) (val) & (guint32) 0x00ff0000U) >>  8) | \
 161     (((guint32) (val) & (guint32) 0xff000000U) >> 24)))
 162
 163 #define GUINT64_SWAP_LE_BE_CONSTANT(val)        ((guint64) ( \
 164       (((guint64) (val) &                                               \
 165         (guint64) G_GINT64_CONSTANT (0x00000000000000ffU)) << 56) |     \
 166       (((guint64) (val) &                                               \
 167         (guint64) G_GINT64_CONSTANT (0x000000000000ff00U)) << 40) |     \
 168       (((guint64) (val) &                                               \
 169         (guint64) G_GINT64_CONSTANT (0x0000000000ff0000U)) << 24) |     \
 170       (((guint64) (val) &                                               \
 171         (guint64) G_GINT64_CONSTANT (0x00000000ff000000U)) <<  8) |     \
 172       (((guint64) (val) &                                               \
 173         (guint64) G_GINT64_CONSTANT (0x000000ff00000000U)) >>  8) |     \
 174       (((guint64) (val) &                                               \
 175         (guint64) G_GINT64_CONSTANT (0x0000ff0000000000U)) >> 24) |     \
 176       (((guint64) (val) &                                               \
 177         (guint64) G_GINT64_CONSTANT (0x00ff000000000000U)) >> 40) |     \
 178       (((guint64) (val) &                                               \
 179         (guint64) G_GINT64_CONSTANT (0xff00000000000000U)) >> 56)))
 180
 181 /* Arch specific stuff for speed
 182  */
 183 #if defined (__GNUC__) && (__GNUC__ >= 2) && defined (__OPTIMIZE__)
 184
 185 #  if __GNUC__ >= 4 && defined (__GNUC_MINOR__) && __GNUC_MINOR__ >= 3
 186 #    define GUINT32_SWAP_LE_BE(val) ((guint32) __builtin_bswap32 ((gint32) val))
 187 #    define GUINT64_SWAP_LE_BE(val) ((guint64) __builtin_bswap64 ((gint64) val))
 188 #  endif
 189
 190 #  if defined (__i386__)
 191 #    define GUINT16_SWAP_LE_BE_IA32(val) \
 192        (G_GNUC_EXTENSION                                        \
 193         ({ register guint16 __v, __x = ((guint16) (val));       \
 194            if (__builtin_constant_p (__x))                      \
 195              __v = GUINT16_SWAP_LE_BE_CONSTANT (__x);           \
 196            else                                                 \
 197              __asm__ ("rorw $8, %w0"                            \
 198                       : "=r" (__v)                              \
 199                       : "0" (__x)                               \
 200                       : "cc");                                  \
 201             __v; }))
 202 #    if !defined (__i486__) && !defined (__i586__) \
 203         && !defined (__pentium__) && !defined (__i686__) \
 204         && !defined (__pentiumpro__) && !defined (__pentium4__)
 205 #       define GUINT32_SWAP_LE_BE_IA32(val) \
 206           (G_GNUC_EXTENSION                                     \
 207            ({ register guint32 __v, __x = ((guint32) (val));    \
 208               if (__builtin_constant_p (__x))                   \
 209                 __v = GUINT32_SWAP_LE_BE_CONSTANT (__x);        \
 210               else                                              \
 211                 __asm__ ("rorw $8, %w0\n\t"                     \
 212                          "rorl $16, %0\n\t"                     \
 213                          "rorw $8, %w0"                         \
 214                          : "=r" (__v)                           \
 215                          : "0" (__x)                            \
 216                          : "cc");                               \
 217               __v; }))
 218 #    else /* 486 and higher has bswap */
 219 #       define GUINT32_SWAP_LE_BE_IA32(val) \
 220           (G_GNUC_EXTENSION                                     \
 221            ({ register guint32 __v, __x = ((guint32) (val));    \
 222               if (__builtin_constant_p (__x))                   \
 223                 __v = GUINT32_SWAP_LE_BE_CONSTANT (__x);        \
 224               else                                              \
 225                 __asm__ ("bswap %0"                             \
 226                          : "=r" (__v)                           \
 227                          : "0" (__x));                          \
 228               __v; }))
 229 #    endif /* processor specific 32-bit stuff */
 230 #    define GUINT64_SWAP_LE_BE_IA32(val) \
 231        (G_GNUC_EXTENSION                                                \
 232         ({ union { guint64 __ll;                                        \
 233                    guint32 __l[2]; } __w, __r;                          \
 234            __w.__ll = ((guint64) (val));                                \
 235            if (__builtin_constant_p (__w.__ll))                         \
 236              __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (__w.__ll);         \
 237            else                                                         \
 238              {                                                          \
 239                __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]);            \
 240                __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]);            \
 241              }                                                          \
 242            __r.__ll; }))
 243      /* Possibly just use the constant version and let gcc figure it out? */
 244 #    define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA32 (val))
 245 #    ifndef GUINT32_SWAP_LE_BE
 246 #      define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA32 (val))
 247 #    endif
 248 #    ifndef GUINT64_SWAP_LE_BE
 249 #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA32 (val))
 250 #    endif
 251 #  elif defined (__ia64__)
 252 #    define GUINT16_SWAP_LE_BE_IA64(val) \
 253        (G_GNUC_EXTENSION                                        \
 254         ({ register guint16 __v, __x = ((guint16) (val));       \
 255            if (__builtin_constant_p (__x))                      \
 256              __v = GUINT16_SWAP_LE_BE_CONSTANT (__x);           \
 257            else                                                 \
 258              __asm__ __volatile__ ("shl %0 = %1, 48 ;;"         \
 259                                    "mux1 %0 = %0, @rev ;;"      \
 260                                     : "=r" (__v)                \
 261                                     : "r" (__x));               \
 262             __v; }))
 263 #    define GUINT32_SWAP_LE_BE_IA64(val) \
 264        (G_GNUC_EXTENSION                                        \
 265          ({ register guint32 __v, __x = ((guint32) (val));      \
 266             if (__builtin_constant_p (__x))                     \
 267               __v = GUINT32_SWAP_LE_BE_CONSTANT (__x);          \
 268             else                                                \
 269              __asm__ __volatile__ ("shl %0 = %1, 32 ;;"         \
 270                                    "mux1 %0 = %0, @rev ;;"      \
 271                                     : "=r" (__v)                \
 272                                     : "r" (__x));               \
 273             __v; }))
 274 #    define GUINT64_SWAP_LE_BE_IA64(val) \
 275        (G_GNUC_EXTENSION                                        \
 276         ({ register guint64 __v, __x = ((guint64) (val));       \
 277            if (__builtin_constant_p (__x))                      \
 278              __v = GUINT64_SWAP_LE_BE_CONSTANT (__x);           \
 279            else                                                 \
 280              __asm__ __volatile__ ("mux1 %0 = %1, @rev ;;"      \
 281                                    : "=r" (__v)                 \
 282                                    : "r" (__x));                \
 283            __v; }))
 284 #    define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA64 (val))
 285 #    ifndef GUINT32_SWAP_LE_BE
 286 #      define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA64 (val))
 287 #    endif
 288 #    ifndef GUINT64_SWAP_LE_BE
 289 #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA64 (val))
 290 #    endif
 291 #  elif defined (__x86_64__)
 292 #    define GUINT32_SWAP_LE_BE_X86_64(val) \
 293        (G_GNUC_EXTENSION                                        \
 294          ({ register guint32 __v, __x = ((guint32) (val));      \
 295             if (__builtin_constant_p (__x))                     \
 296               __v = GUINT32_SWAP_LE_BE_CONSTANT (__x);          \
 297             else                                                \
 298              __asm__ ("bswapl %0"                               \
 299                       : "=r" (__v)                              \
 300                       : "0" (__x));                             \
 301             __v; }))
 302 #    define GUINT64_SWAP_LE_BE_X86_64(val) \
 303        (G_GNUC_EXTENSION                                        \
 304         ({ register guint64 __v, __x = ((guint64) (val));       \
 305            if (__builtin_constant_p (__x))                      \
 306              __v = GUINT64_SWAP_LE_BE_CONSTANT (__x);           \
 307            else                                                 \
 308              __asm__ ("bswapq %0"                               \
 309                       : "=r" (__v)                              \
 310                       : "0" (__x));                             \
 311            __v; }))
 312      /* gcc seems to figure out optimal code for this on its own */
 313 #    define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val))
 314 #    ifndef GUINT32_SWAP_LE_BE
 315 #      define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86_64 (val))
 316 #    endif
 317 #    ifndef GUINT64_SWAP_LE_BE
 318 #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86_64 (val))
 319 #    endif
 320 #  else /* generic gcc */
 321 #    define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val))
 322 #    ifndef GUINT32_SWAP_LE_BE
 323 #      define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val))
 324 #    endif
 325 #    ifndef GUINT64_SWAP_LE_BE
 326 #      define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
 327 #    endif
 328 #  endif
 329 #else /* generic */
 330 #  define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val))
 331 #  define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val))
 332 #  define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val))
 333 #endif /* generic */
 334
 335 #define GUINT16_SWAP_LE_PDP(val)        ((guint16) (val))
 336 #define GUINT16_SWAP_BE_PDP(val)        (GUINT16_SWAP_LE_BE (val))
 337 #define GUINT32_SWAP_LE_PDP(val)        ((guint32) ( \
 338     (((guint32) (val) & (guint32) 0x0000ffffU) << 16) | \
 339     (((guint32) (val) & (guint32) 0xffff0000U) >> 16)))
 340 #define GUINT32_SWAP_BE_PDP(val)        ((guint32) ( \
 341     (((guint32) (val) & (guint32) 0x00ff00ffU) << 8) | \
 342     (((guint32) (val) & (guint32) 0xff00ff00U) >> 8)))
 343
 344 /* The G*_TO_?E() macros are defined in glibconfig.h.
 345  * The transformation is symmetric, so the FROM just maps to the TO.
 346  */
 347 #define GINT16_FROM_LE(val)     (GINT16_TO_LE (val))
 348 #define GUINT16_FROM_LE(val)    (GUINT16_TO_LE (val))
 349 #define GINT16_FROM_BE(val)     (GINT16_TO_BE (val))
 350 #define GUINT16_FROM_BE(val)    (GUINT16_TO_BE (val))
 351 #define GINT32_FROM_LE(val)     (GINT32_TO_LE (val))
 352 #define GUINT32_FROM_LE(val)    (GUINT32_TO_LE (val))
 353 #define GINT32_FROM_BE(val)     (GINT32_TO_BE (val))
 354 #define GUINT32_FROM_BE(val)    (GUINT32_TO_BE (val))
 355
 356 #define GINT64_FROM_LE(val)     (GINT64_TO_LE (val))
 357 #define GUINT64_FROM_LE(val)    (GUINT64_TO_LE (val))
 358 #define GINT64_FROM_BE(val)     (GINT64_TO_BE (val))
 359 #define GUINT64_FROM_BE(val)    (GUINT64_TO_BE (val))
 360
 361 #define GLONG_FROM_LE(val)      (GLONG_TO_LE (val))
 362 #define GULONG_FROM_LE(val)     (GULONG_TO_LE (val))
 363 #define GLONG_FROM_BE(val)      (GLONG_TO_BE (val))
 364 #define GULONG_FROM_BE(val)     (GULONG_TO_BE (val))
 365
 366 #define GINT_FROM_LE(val)       (GINT_TO_LE (val))
 367 #define GUINT_FROM_LE(val)      (GUINT_TO_LE (val))
 368 #define GINT_FROM_BE(val)       (GINT_TO_BE (val))
 369 #define GUINT_FROM_BE(val)      (GUINT_TO_BE (val))
 370
 371 #define GSIZE_FROM_LE(val)      (GSIZE_TO_LE (val))
 372 #define GSSIZE_FROM_LE(val)     (GSSIZE_TO_LE (val))
 373 #define GSIZE_FROM_BE(val)      (GSIZE_TO_BE (val))
 374 #define GSSIZE_FROM_BE(val)     (GSSIZE_TO_BE (val))
 375
 376
 377 /* Portable versions of host-network order stuff
 378  */
 379 #define g_ntohl(val) (GUINT32_FROM_BE (val))
 380 #define g_ntohs(val) (GUINT16_FROM_BE (val))
 381 #define g_htonl(val) (GUINT32_TO_BE (val))
 382 #define g_htons(val) (GUINT16_TO_BE (val))
 383
 384 /* IEEE Standard 754 Single Precision Storage Format (gfloat):
 385  *
 386  *        31 30           23 22            0
 387  * +--------+---------------+---------------+
 388  * | s 1bit | e[30:23] 8bit | f[22:0] 23bit |
 389  * +--------+---------------+---------------+
 390  * B0------------------->B1------->B2-->B3-->
 391  *
 392  * IEEE Standard 754 Double Precision Storage Format (gdouble):
 393  *
 394  *        63 62            52 51            32   31            0
 395  * +--------+----------------+----------------+ +---------------+
 396  * | s 1bit | e[62:52] 11bit | f[51:32] 20bit | | f[31:0] 32bit |
 397  * +--------+----------------+----------------+ +---------------+
 398  * B0--------------->B1---------->B2--->B3---->  B4->B5->B6->B7->
 399  */
 400 /* subtract from biased_exponent to form base2 exponent (normal numbers) */
 401 typedef union  _GDoubleIEEE754  GDoubleIEEE754;
 402 typedef union  _GFloatIEEE754   GFloatIEEE754;
 403 #define G_IEEE754_FLOAT_BIAS    (127)
 404 #define G_IEEE754_DOUBLE_BIAS   (1023)
 405 /* multiply with base2 exponent to get base10 exponent (normal numbers) */
 406 #define G_LOG_2_BASE_10         (0.30102999566398119521)
 407 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
 408 union _GFloatIEEE754
 409 {
 410   gfloat v_float;
 411   struct {
 412     guint mantissa : 23;
 413     guint biased_exponent : 8;
 414     guint sign : 1;
 415   } mpn;
 416 };
 417 union _GDoubleIEEE754
 418 {
 419   gdouble v_double;
 420   struct {
 421     guint mantissa_low : 32;
 422     guint mantissa_high : 20;
 423     guint biased_exponent : 11;
 424     guint sign : 1;
 425   } mpn;
 426 };
 427 #elif G_BYTE_ORDER == G_BIG_ENDIAN
 428 union _GFloatIEEE754
 429 {
 430   gfloat v_float;
 431   struct {
 432     guint sign : 1;
 433     guint biased_exponent : 8;
 434     guint mantissa : 23;
 435   } mpn;
 436 };
 437 union _GDoubleIEEE754
 438 {
 439   gdouble v_double;
 440   struct {
 441     guint sign : 1;
 442     guint biased_exponent : 11;
 443     guint mantissa_high : 20;
 444     guint mantissa_low : 32;
 445   } mpn;
 446 };
 447 #else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
 448 #error unknown ENDIAN type
 449 #endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
 450
 451 typedef struct _GTimeVal                GTimeVal;
 452
 453 struct _GTimeVal
 454 {
 455   glong tv_sec;
 456   glong tv_usec;
 457 };
 458
 459 G_END_DECLS
 460
 461 /* We prefix variable declarations so they can
 462  * properly get exported in Windows DLLs.
 463  */
 464 #ifndef GLIB_VAR
 465 #  ifdef G_PLATFORM_WIN32
 466 #    ifdef GLIB_STATIC_COMPILATION
 467 #      define GLIB_VAR extern
 468 #    else /* !GLIB_STATIC_COMPILATION */
 469 #      ifdef GLIB_COMPILATION
 470 #        ifdef DLL_EXPORT
 471 #          define GLIB_VAR __declspec(dllexport)
 472 #        else /* !DLL_EXPORT */
 473 #          define GLIB_VAR extern
 474 #        endif /* !DLL_EXPORT */
 475 #      else /* !GLIB_COMPILATION */
 476 #        define GLIB_VAR extern __declspec(dllimport)
 477 #      endif /* !GLIB_COMPILATION */
 478 #    endif /* !GLIB_STATIC_COMPILATION */
 479 #  else /* !G_PLATFORM_WIN32 */
 480 #    define GLIB_VAR _GLIB_EXTERN
 481 #  endif /* !G_PLATFORM_WIN32 */
 482 #endif /* GLIB_VAR */
 483
 484 #endif /* __G_TYPES_H__ */