glib gtypes.h

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452

/* GLIB - Library of useful routines for C programming  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald  *  * This library is free software; you can redistribute it and/or  * modify it under the terms of the GNU Lesser General Public  * License as published by the Free Software Foundation; either  * version 2 of the License, or (at your option) any later version.  *  * This library is distributed in the hope that it will be useful,  * but WITHOUT ANY WARRANTY; without even the implied warranty of  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  * Lesser General Public License for more details.  *  * You should have received a copy of the GNU Lesser General Public  * License along with this library; if not, write to the  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,  * Boston, MA 02111-1307, USA.  */   /*  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS  * file for a list of people on the GLib Team.  See the ChangeLog  * files for a list of changes.  These files are distributed with  * GLib at ftp://ftp.gtk.org/pub/gtk/.  */   #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) #error "Only <glib.h> can be included directly." #endif   #ifndef __G_TYPES_H__ #define __G_TYPES_H__   #include <glibconfig.h> #include <glib/gmacros.h> #include <time.h>   G_BEGIN_DECLS   /* Provide type definitions for commonly used types.  *  These are useful because a "gint8" can be adjusted  *  to be 1 byte (8 bits) on all platforms. Similarly and  *  more importantly, "gint32" can be adjusted to be  *  4 bytes (32 bits) on all platforms.  */   typedef char   gchar; typedef short  gshort; typedef long   glong; typedef int    gint; typedef gint   gboolean;   typedef unsigned char   guchar; typedef unsigned short  gushort; typedef unsigned long   gulong; typedef unsigned int    guint;   typedef float   gfloat; typedef double  gdouble;   /* Define min and max constants for the fixed size numerical types */ #define G_MININT8   ((gint8)  0x80) #define G_MAXINT8   ((gint8)  0x7f) #define G_MAXUINT8  ((guint8) 0xff)   #define G_MININT16  ((gint16)  0x8000) #define G_MAXINT16  ((gint16)  0x7fff) #define G_MAXUINT16 ((guint16) 0xffff)   #define G_MININT32  ((gint32)  0x80000000) #define G_MAXINT32  ((gint32)  0x7fffffff) #define G_MAXUINT32 ((guint32) 0xffffffff)   #define G_MININT64  ((gint64) G_GINT64_CONSTANT(0x8000000000000000)) #define G_MAXINT64  G_GINT64_CONSTANT(0x7fffffffffffffff) #define G_MAXUINT64 G_GINT64_CONSTANT(0xffffffffffffffffU)   typedef void* gpointer; typedef const void *gconstpointer;   typedef gint            (*GCompareFunc)         (gconstpointer  a,                                                  gconstpointer  b); typedef gint            (*GCompareDataFunc)     (gconstpointer  a,                                                  gconstpointer  b,                          gpointer       user_data); typedef gboolean        (*GEqualFunc)           (gconstpointer  a,                                                  gconstpointer  b); typedef void            (*GDestroyNotify)       (gpointer       data); typedef void            (*GFunc)                (gpointer       data,                                                  gpointer       user_data); typedef guint           (*GHashFunc)            (gconstpointer  key); typedef void            (*GHFunc)               (gpointer       key,                                                  gpointer       value,                                                  gpointer       user_data); typedef void            (*GFreeFunc)            (gpointer       data);   /**  * GTranslateFunc:  * @str: the untranslated string  * @data: user data specified when installing the function, e.g.  *  in g_option_group_set_translate_func()  *  * The type of functions which are used to translate user-visible  * strings, for <option>--help</option> output.  *  * Returns: a translation of the string for the current locale.  *  The returned string is owned by GLib and must not be freed.  */ typedef const gchar *   (*GTranslateFunc)       (const gchar   *str,                          gpointer       data);     /* Define some mathematical constants that aren't available  * symbolically in some strict ISO C implementations.  *  * Note that the large number of digits used in these definitions  * doesn't imply that GLib or current computers in general would be  * able to handle floating point numbers with an accuracy like this.  * It's mostly an exercise in futility and future proofing. For  * extended precision floating point support, look somewhere else  * than GLib.  */ #define G_E     2.7182818284590452353602874713526624977572470937000 #define G_LN2   0.69314718055994530941723212145817656807550013436026 #define G_LN10  2.3025850929940456840179914546843642076011014886288 #define G_PI    3.1415926535897932384626433832795028841971693993751 #define G_PI_2  1.5707963267948966192313216916397514420985846996876 #define G_PI_4  0.78539816339744830961566084581987572104929234984378 #define G_SQRT2 1.4142135623730950488016887242096980785696718753769   /* Portable endian checks and conversions  *  * glibconfig.h defines G_BYTE_ORDER which expands to one of  * the below macros.  */ #define G_LITTLE_ENDIAN 1234 #define G_BIG_ENDIAN    4321 #define G_PDP_ENDIAN    3412        /* unused, need specific PDP check */       /* Basic bit swapping functions  */ #define GUINT16_SWAP_LE_BE_CONSTANT(val)    ((guint16) ( \     (guint16) ((guint16) (val) >> 8) |    \     (guint16) ((guint16) (val) << 8)))   #define GUINT32_SWAP_LE_BE_CONSTANT(val)    ((guint32) ( \     (((guint32) (val) & (guint32) 0x000000ffU) << 24) | \     (((guint32) (val) & (guint32) 0x0000ff00U) <<  8) | \     (((guint32) (val) & (guint32) 0x00ff0000U) >>  8) | \     (((guint32) (val) & (guint32) 0xff000000U) >> 24)))   #define GUINT64_SWAP_LE_BE_CONSTANT(val)    ((guint64) ( \       (((guint64) (val) &                       \     (guint64) G_GINT64_CONSTANT (0x00000000000000ffU)) << 56) |   \       (((guint64) (val) &                       \     (guint64) G_GINT64_CONSTANT (0x000000000000ff00U)) << 40) |   \       (((guint64) (val) &                       \     (guint64) G_GINT64_CONSTANT (0x0000000000ff0000U)) << 24) |   \       (((guint64) (val) &                       \     (guint64) G_GINT64_CONSTANT (0x00000000ff000000U)) <<  8) |   \       (((guint64) (val) &                       \     (guint64) G_GINT64_CONSTANT (0x000000ff00000000U)) >>  8) |   \       (((guint64) (val) &                       \     (guint64) G_GINT64_CONSTANT (0x0000ff0000000000U)) >> 24) |   \       (((guint64) (val) &                       \     (guint64) G_GINT64_CONSTANT (0x00ff000000000000U)) >> 40) |   \       (((guint64) (val) &                       \     (guint64) G_GINT64_CONSTANT (0xff00000000000000U)) >> 56)))   /* Arch specific stuff for speed  */ #if defined (__GNUC__) && (__GNUC__ >= 2) && defined (__OPTIMIZE__) #  if defined (__i386__) #    define GUINT16_SWAP_LE_BE_IA32(val) \        (__extension__                       \     ({ register guint16 __v, __x = ((guint16) (val));   \        if (__builtin_constant_p (__x))          \          __v = GUINT16_SWAP_LE_BE_CONSTANT (__x);       \        else                         \          __asm__ ("rorw $8, %w0"                \               : "=r" (__v)              \               : "0" (__x)               \               : "cc");                  \         __v; })) #    if !defined (__i486__) && !defined (__i586__) \     && !defined (__pentium__) && !defined (__i686__) \     && !defined (__pentiumpro__) && !defined (__pentium4__) #       define GUINT32_SWAP_LE_BE_IA32(val) \       (__extension__                    \        ({ register guint32 __v, __x = ((guint32) (val));    \           if (__builtin_constant_p (__x))           \         __v = GUINT32_SWAP_LE_BE_CONSTANT (__x);    \           else                      \         __asm__ ("rorw $8, %w0\n\t"         \              "rorl $16, %0\n\t"         \              "rorw $8, %w0"             \              : "=r" (__v)               \              : "0" (__x)                \              : "cc");               \           __v; })) #    else /* 486 and higher has bswap */ #       define GUINT32_SWAP_LE_BE_IA32(val) \       (__extension__                    \        ({ register guint32 __v, __x = ((guint32) (val));    \           if (__builtin_constant_p (__x))           \         __v = GUINT32_SWAP_LE_BE_CONSTANT (__x);    \           else                      \         __asm__ ("bswap %0"             \              : "=r" (__v)               \              : "0" (__x));              \           __v; })) #    endif /* processor specific 32-bit stuff */ #    define GUINT64_SWAP_LE_BE_IA32(val) \        (__extension__                           \     ({ union { guint64 __ll;                    \            guint32 __l[2]; } __w, __r;              \        __w.__ll = ((guint64) (val));                \        if (__builtin_constant_p (__w.__ll))             \          __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (__w.__ll);     \        else                             \          {                              \            __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]);        \            __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]);        \          }                              \        __r.__ll; }))      /* Possibly just use the constant version and let gcc figure it out? */ #    define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA32 (val)) #    define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA32 (val)) #    define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA32 (val)) #  elif defined (__ia64__) #    define GUINT16_SWAP_LE_BE_IA64(val) \        (__extension__                       \     ({ register guint16 __v, __x = ((guint16) (val));   \        if (__builtin_constant_p (__x))          \          __v = GUINT16_SWAP_LE_BE_CONSTANT (__x);       \        else                         \          __asm__ __volatile__ ("shl %0 = %1, 48 ;;"     \                    "mux1 %0 = %0, @rev ;;"  \                     : "=r" (__v)        \                     : "r" (__x));       \         __v; })) #    define GUINT32_SWAP_LE_BE_IA64(val) \        (__extension__                       \      ({ register guint32 __v, __x = ((guint32) (val));  \         if (__builtin_constant_p (__x))         \           __v = GUINT32_SWAP_LE_BE_CONSTANT (__x);      \         else                        \          __asm__ __volatile__ ("shl %0 = %1, 32 ;;"     \                    "mux1 %0 = %0, @rev ;;"  \                     : "=r" (__v)        \                     : "r" (__x));       \         __v; })) #    define GUINT64_SWAP_LE_BE_IA64(val) \        (__extension__                       \     ({ register guint64 __v, __x = ((guint64) (val));   \        if (__builtin_constant_p (__x))          \          __v = GUINT64_SWAP_LE_BE_CONSTANT (__x);       \        else                         \          __asm__ __volatile__ ("mux1 %0 = %1, @rev ;;"  \                    : "=r" (__v)         \                    : "r" (__x));        \        __v; })) #    define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA64 (val)) #    define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA64 (val)) #    define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA64 (val)) #  elif defined (__x86_64__) #    define GUINT32_SWAP_LE_BE_X86_64(val) \        (__extension__                       \      ({ register guint32 __v, __x = ((guint32) (val));  \         if (__builtin_constant_p (__x))         \           __v = GUINT32_SWAP_LE_BE_CONSTANT (__x);      \         else                        \          __asm__ ("bswapl %0"               \               : "=r" (__v)              \               : "0" (__x));             \         __v; })) #    define GUINT64_SWAP_LE_BE_X86_64(val) \        (__extension__                       \     ({ register guint64 __v, __x = ((guint64) (val));   \        if (__builtin_constant_p (__x))          \          __v = GUINT64_SWAP_LE_BE_CONSTANT (__x);       \        else                         \          __asm__ ("bswapq %0"               \               : "=r" (__v)              \               : "0" (__x));             \        __v; }))      /* gcc seems to figure out optimal code for this on its own */ #    define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) #    define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86_64 (val)) #    define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86_64 (val)) #  else /* generic gcc */ #    define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) #    define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val)) #    define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val)) #  endif #else /* generic */ #  define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) #  define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val)) #  define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val)) #endif /* generic */   #define GUINT16_SWAP_LE_PDP(val)    ((guint16) (val)) #define GUINT16_SWAP_BE_PDP(val)    (GUINT16_SWAP_LE_BE (val)) #define GUINT32_SWAP_LE_PDP(val)    ((guint32) ( \     (((guint32) (val) & (guint32) 0x0000ffffU) << 16) | \     (((guint32) (val) & (guint32) 0xffff0000U) >> 16))) #define GUINT32_SWAP_BE_PDP(val)    ((guint32) ( \     (((guint32) (val) & (guint32) 0x00ff00ffU) << 8) | \     (((guint32) (val) & (guint32) 0xff00ff00U) >> 8)))   /* The G*_TO_?E() macros are defined in glibconfig.h.  * The transformation is symmetric, so the FROM just maps to the TO.  */ #define GINT16_FROM_LE(val) (GINT16_TO_LE (val)) #define GUINT16_FROM_LE(val)    (GUINT16_TO_LE (val)) #define GINT16_FROM_BE(val) (GINT16_TO_BE (val)) #define GUINT16_FROM_BE(val)    (GUINT16_TO_BE (val)) #define GINT32_FROM_LE(val) (GINT32_TO_LE (val)) #define GUINT32_FROM_LE(val)    (GUINT32_TO_LE (val)) #define GINT32_FROM_BE(val) (GINT32_TO_BE (val)) #define GUINT32_FROM_BE(val)    (GUINT32_TO_BE (val))   #define GINT64_FROM_LE(val) (GINT64_TO_LE (val)) #define GUINT64_FROM_LE(val)    (GUINT64_TO_LE (val)) #define GINT64_FROM_BE(val) (GINT64_TO_BE (val)) #define GUINT64_FROM_BE(val)    (GUINT64_TO_BE (val))   #define GLONG_FROM_LE(val)  (GLONG_TO_LE (val)) #define GULONG_FROM_LE(val) (GULONG_TO_LE (val)) #define GLONG_FROM_BE(val)  (GLONG_TO_BE (val)) #define GULONG_FROM_BE(val) (GULONG_TO_BE (val))   #define GINT_FROM_LE(val)   (GINT_TO_LE (val)) #define GUINT_FROM_LE(val)  (GUINT_TO_LE (val)) #define GINT_FROM_BE(val)   (GINT_TO_BE (val)) #define GUINT_FROM_BE(val)  (GUINT_TO_BE (val))   #define GSIZE_FROM_LE(val)  (GSIZE_TO_LE (val)) #define GSSIZE_FROM_LE(val) (GSSIZE_TO_LE (val)) #define GSIZE_FROM_BE(val)  (GSIZE_TO_BE (val)) #define GSSIZE_FROM_BE(val) (GSSIZE_TO_BE (val))     /* Portable versions of host-network order stuff  */ #define g_ntohl(val) (GUINT32_FROM_BE (val)) #define g_ntohs(val) (GUINT16_FROM_BE (val)) #define g_htonl(val) (GUINT32_TO_BE (val)) #define g_htons(val) (GUINT16_TO_BE (val))   /* IEEE Standard 754 Single Precision Storage Format (gfloat):  *  *        31 30           23 22            0  * +--------+---------------+---------------+  * | s 1bit | e[30:23] 8bit | f[22:0] 23bit |  * +--------+---------------+---------------+  * B0------------------->B1------->B2-->B3-->  *  * IEEE Standard 754 Double Precision Storage Format (gdouble):  *  *        63 62            52 51            32   31            0  * +--------+----------------+----------------+ +---------------+  * | s 1bit | e[62:52] 11bit | f[51:32] 20bit | | f[31:0] 32bit |  * +--------+----------------+----------------+ +---------------+  * B0--------------->B1---------->B2--->B3---->  B4->B5->B6->B7->  */ /* subtract from biased_exponent to form base2 exponent (normal numbers) */ typedef union  _GDoubleIEEE754  GDoubleIEEE754; typedef union  _GFloatIEEE754   GFloatIEEE754; #define G_IEEE754_FLOAT_BIAS    (127) #define G_IEEE754_DOUBLE_BIAS   (1023) /* multiply with base2 exponent to get base10 exponent (normal numbers) */ #define G_LOG_2_BASE_10     (0.30102999566398119521) #if G_BYTE_ORDER == G_LITTLE_ENDIAN union _GFloatIEEE754 {   gfloat v_float;   struct {     guint mantissa : 23;     guint biased_exponent : 8;     guint sign : 1;   } mpn; }; union _GDoubleIEEE754 {   gdouble v_double;   struct {     guint mantissa_low : 32;     guint mantissa_high : 20;     guint biased_exponent : 11;     guint sign : 1;   } mpn; }; #elif G_BYTE_ORDER == G_BIG_ENDIAN union _GFloatIEEE754 {   gfloat v_float;   struct {     guint sign : 1;     guint biased_exponent : 8;     guint mantissa : 23;   } mpn; }; union _GDoubleIEEE754 {   gdouble v_double;   struct {     guint sign : 1;     guint biased_exponent : 11;     guint mantissa_high : 20;     guint mantissa_low : 32;   } mpn; }; #else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */ #error unknown ENDIAN type #endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */   typedef struct _GTimeVal                GTimeVal;   struct _GTimeVal {   glong tv_sec;   glong tv_usec; };   G_END_DECLS   /* We prefix variable declarations so they can  * properly get exported in Windows DLLs.  */ #ifndef GLIB_VAR #  ifdef G_PLATFORM_WIN32 #    ifdef GLIB_STATIC_COMPILATION #      define GLIB_VAR extern #    else /* !GLIB_STATIC_COMPILATION */ #      ifdef GLIB_COMPILATION #        ifdef DLL_EXPORT #          define GLIB_VAR __declspec(dllexport) #        else /* !DLL_EXPORT */ #          define GLIB_VAR extern #        endif /* !DLL_EXPORT */ #      else /* !GLIB_COMPILATION */ #        define GLIB_VAR extern __declspec(dllimport) #      endif /* !GLIB_COMPILATION */ #    endif /* !GLIB_STATIC_COMPILATION */ #  else /* !G_PLATFORM_WIN32 */ #    define GLIB_VAR extern #  endif /* !G_PLATFORM_WIN32 */ #endif /* GLIB_VAR */   #endif /* __G_TYPES_H__ */