1 /* GLIB - Library of useful routines for C programming 2 * Copyright (C) 2006-2019 Free Software Foundation, Inc. 3 * 4 * This file is not part of the GNU gettext program, but is used with 5 * GNU gettext. 6 * 7 * The original copyright notice is as follows: 8 */ 9 10 /* GLIB - Library of useful routines for C programming 11 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald 12 * 13 * This library is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public 15 * License as published by the Free Software Foundation; either 16 * version 3 of the License, or (at your option) any later version. 17 * 18 * This library is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 * General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public 24 * License along with this library; if not, write to the 25 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 26 * Boston, MA 02111-1307, USA. 27 */ 28 29 /* 30 * Modified by the GLib Team and others 1997-2000. See the AUTHORS 31 * file for a list of people on the GLib Team. See the ChangeLog 32 * files for a list of changes. These files are distributed with 33 * GLib at ftp://ftp.gtk.org/pub/gtk/. 34 */ 35 36 /* 37 * Modified by Bruno Haible for use as a gnulib module. 38 */ 39 40 #ifndef __G_TYPES_H__ 41 #define __G_TYPES_H__ 42 43 #include <glibconfig.h> 44 45 G_BEGIN_DECLS 46 47 /* Provide type definitions for commonly used types. 48 * These are useful because a "gint8" can be adjusted 49 * to be 1 byte (8 bits) on all platforms. Similarly and 50 * more importantly, "gint32" can be adjusted to be 51 * 4 bytes (32 bits) on all platforms. 52 */ 53 54 typedef char gchar; 55 typedef short gshort; 56 typedef long glong; 57 typedef int gint; 58 typedef gint gboolean; 59 60 typedef unsigned char guchar; 61 typedef unsigned short gushort; 62 typedef unsigned long gulong; 63 typedef unsigned int guint; 64 65 typedef float gfloat; 66 typedef double gdouble; 67 68 /* Define min and max constants for the fixed size numerical types */ 69 #define G_MININT8 ((gint8) 0x80) 70 #define G_MAXINT8 ((gint8) 0x7f) 71 #define G_MAXUINT8 ((guint8) 0xff) 72 73 #define G_MININT16 ((gint16) 0x8000) 74 #define G_MAXINT16 ((gint16) 0x7fff) 75 #define G_MAXUINT16 ((guint16) 0xffff) 76 77 #define G_MININT32 ((gint32) 0x80000000) 78 #define G_MAXINT32 ((gint32) 0x7fffffff) 79 #define G_MAXUINT32 ((guint32) 0xffffffff) 80 81 #define G_MININT64 ((gint64) G_GINT64_CONSTANT(0x8000000000000000)) 82 #define G_MAXINT64 G_GINT64_CONSTANT(0x7fffffffffffffff) 83 #define G_MAXUINT64 G_GINT64_CONSTANT(0xffffffffffffffffU) 84 85 typedef void* gpointer; 86 typedef const void *gconstpointer; 87 88 typedef gint (*GCompareFunc) (gconstpointer a, 89 gconstpointer b); 90 typedef gint (*GCompareDataFunc) (gconstpointer a, 91 gconstpointer b, 92 gpointer user_data); 93 typedef gboolean (*GEqualFunc) (gconstpointer a, 94 gconstpointer b); 95 typedef void (*GDestroyNotify) (gpointer data); 96 typedef void (*GFunc) (gpointer data, 97 gpointer user_data); 98 typedef guint (*GHashFunc) (gconstpointer key); 99 typedef void (*GHFunc) (gpointer key, 100 gpointer value, 101 gpointer user_data); 102 typedef void (*GFreeFunc) (gpointer data); 103 typedef const gchar * (*GTranslateFunc) (const gchar *str, 104 gpointer data); 105 106 107 /* Define some mathematical constants that aren't available 108 * symbolically in some strict ISO C implementations. 109 */ 110 #define G_E 2.7182818284590452353602874713526624977572470937000 111 #define G_LN2 0.69314718055994530941723212145817656807550013436026 112 #define G_LN10 2.3025850929940456840179914546843642076011014886288 113 #define G_PI 3.1415926535897932384626433832795028841971693993751 114 #define G_PI_2 1.5707963267948966192313216916397514420985846996876 115 #define G_PI_4 0.78539816339744830961566084581987572104929234984378 116 #define G_SQRT2 1.4142135623730950488016887242096980785696718753769 117 118 #if 0 119 120 /* Portable endian checks and conversions 121 * 122 * glibconfig.h defines G_BYTE_ORDER which expands to one of 123 * the below macros. 124 */ 125 #define G_LITTLE_ENDIAN 1234 126 #define G_BIG_ENDIAN 4321 127 #define G_PDP_ENDIAN 3412 /* unused, need specific PDP check */ 128 129 130 /* Basic bit swapping functions 131 */ 132 #define GUINT16_SWAP_LE_BE_CONSTANT(val) ((guint16) ( \ 133 (guint16) ((guint16) (val) >> 8) | \ 134 (guint16) ((guint16) (val) << 8))) 135 136 #define GUINT32_SWAP_LE_BE_CONSTANT(val) ((guint32) ( \ 137 (((guint32) (val) & (guint32) 0x000000ffU) << 24) | \ 138 (((guint32) (val) & (guint32) 0x0000ff00U) << 8) | \ 139 (((guint32) (val) & (guint32) 0x00ff0000U) >> 8) | \ 140 (((guint32) (val) & (guint32) 0xff000000U) >> 24))) 141 142 #define GUINT64_SWAP_LE_BE_CONSTANT(val) ((guint64) ( \ 143 (((guint64) (val) & \ 144 (guint64) G_GINT64_CONSTANT (0x00000000000000ffU)) << 56) | \ 145 (((guint64) (val) & \ 146 (guint64) G_GINT64_CONSTANT (0x000000000000ff00U)) << 40) | \ 147 (((guint64) (val) & \ 148 (guint64) G_GINT64_CONSTANT (0x0000000000ff0000U)) << 24) | \ 149 (((guint64) (val) & \ 150 (guint64) G_GINT64_CONSTANT (0x00000000ff000000U)) << 8) | \ 151 (((guint64) (val) & \ 152 (guint64) G_GINT64_CONSTANT (0x000000ff00000000U)) >> 8) | \ 153 (((guint64) (val) & \ 154 (guint64) G_GINT64_CONSTANT (0x0000ff0000000000U)) >> 24) | \ 155 (((guint64) (val) & \ 156 (guint64) G_GINT64_CONSTANT (0x00ff000000000000U)) >> 40) | \ 157 (((guint64) (val) & \ 158 (guint64) G_GINT64_CONSTANT (0xff00000000000000U)) >> 56))) 159 160 /* Arch specific stuff for speed 161 */ 162 #if defined (__GNUC__) && (__GNUC__ >= 2) && defined (__OPTIMIZE__) 163 # if defined (__i386__) 164 # define GUINT16_SWAP_LE_BE_IA32(val) \ 165 (__extension__ \ 166 ({ register guint16 __v, __x = ((guint16) (val)); \ 167 if (__builtin_constant_p (__x)) \ 168 __v = GUINT16_SWAP_LE_BE_CONSTANT (__x); \ 169 else \ 170 __asm__ ("rorw $8, %w0" \ 171 : "=r" (__v) \ 172 : "0" (__x) \ 173 : "cc"); \ 174 __v; })) 175 # if !defined (__i486__) && !defined (__i586__) \ 176 && !defined (__pentium__) && !defined (__i686__) \ 177 && !defined (__pentiumpro__) && !defined (__pentium4__) 178 # define GUINT32_SWAP_LE_BE_IA32(val) \ 179 (__extension__ \ 180 ({ register guint32 __v, __x = ((guint32) (val)); \ 181 if (__builtin_constant_p (__x)) \ 182 __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \ 183 else \ 184 __asm__ ("rorw $8, %w0\n\t" \ 185 "rorl $16, %0\n\t" \ 186 "rorw $8, %w0" \ 187 : "=r" (__v) \ 188 : "0" (__x) \ 189 : "cc"); \ 190 __v; })) 191 # else /* 486 and higher has bswap */ 192 # define GUINT32_SWAP_LE_BE_IA32(val) \ 193 (__extension__ \ 194 ({ register guint32 __v, __x = ((guint32) (val)); \ 195 if (__builtin_constant_p (__x)) \ 196 __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \ 197 else \ 198 __asm__ ("bswap %0" \ 199 : "=r" (__v) \ 200 : "0" (__x)); \ 201 __v; })) 202 # endif /* processor specific 32-bit stuff */ 203 # define GUINT64_SWAP_LE_BE_IA32(val) \ 204 (__extension__ \ 205 ({ union { guint64 __ll; \ 206 guint32 __l[2]; } __w, __r; \ 207 __w.__ll = ((guint64) (val)); \ 208 if (__builtin_constant_p (__w.__ll)) \ 209 __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (__w.__ll); \ 210 else \ 211 { \ 212 __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]); \ 213 __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]); \ 214 } \ 215 __r.__ll; })) 216 /* Possibly just use the constant version and let gcc figure it out? */ 217 # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA32 (val)) 218 # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA32 (val)) 219 # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA32 (val)) 220 # elif defined (__ia64__) 221 # define GUINT16_SWAP_LE_BE_IA64(val) \ 222 (__extension__ \ 223 ({ register guint16 __v, __x = ((guint16) (val)); \ 224 if (__builtin_constant_p (__x)) \ 225 __v = GUINT16_SWAP_LE_BE_CONSTANT (__x); \ 226 else \ 227 __asm__ __volatile__ ("shl %0 = %1, 48 ;;" \ 228 "mux1 %0 = %0, @rev ;;" \ 229 : "=r" (__v) \ 230 : "r" (__x)); \ 231 __v; })) 232 # define GUINT32_SWAP_LE_BE_IA64(val) \ 233 (__extension__ \ 234 ({ register guint32 __v, __x = ((guint32) (val)); \ 235 if (__builtin_constant_p (__x)) \ 236 __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \ 237 else \ 238 __asm__ __volatile__ ("shl %0 = %1, 32 ;;" \ 239 "mux1 %0 = %0, @rev ;;" \ 240 : "=r" (__v) \ 241 : "r" (__x)); \ 242 __v; })) 243 # define GUINT64_SWAP_LE_BE_IA64(val) \ 244 (__extension__ \ 245 ({ register guint64 __v, __x = ((guint64) (val)); \ 246 if (__builtin_constant_p (__x)) \ 247 __v = GUINT64_SWAP_LE_BE_CONSTANT (__x); \ 248 else \ 249 __asm__ __volatile__ ("mux1 %0 = %1, @rev ;;" \ 250 : "=r" (__v) \ 251 : "r" (__x)); \ 252 __v; })) 253 # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA64 (val)) 254 # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA64 (val)) 255 # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA64 (val)) 256 # elif defined (__x86_64__) 257 # define GUINT32_SWAP_LE_BE_X86_64(val) \ 258 (__extension__ \ 259 ({ register guint32 __v, __x = ((guint32) (val)); \ 260 if (__builtin_constant_p (__x)) \ 261 __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \ 262 else \ 263 __asm__ ("bswapl %0" \ 264 : "=r" (__v) \ 265 : "0" (__x)); \ 266 __v; })) 267 # define GUINT64_SWAP_LE_BE_X86_64(val) \ 268 (__extension__ \ 269 ({ register guint64 __v, __x = ((guint64) (val)); \ 270 if (__builtin_constant_p (__x)) \ 271 __v = GUINT64_SWAP_LE_BE_CONSTANT (__x); \ 272 else \ 273 __asm__ ("bswapq %0" \ 274 : "=r" (__v) \ 275 : "0" (__x)); \ 276 __v; })) 277 /* gcc seems to figure out optimal code for this on its own */ 278 # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) 279 # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86_64 (val)) 280 # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86_64 (val)) 281 # else /* generic gcc */ 282 # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) 283 # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val)) 284 # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val)) 285 # endif 286 #else /* generic */ 287 # define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) 288 # define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val)) 289 # define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val)) 290 #endif /* generic */ 291 292 #define GUINT16_SWAP_LE_PDP(val) ((guint16) (val)) 293 #define GUINT16_SWAP_BE_PDP(val) (GUINT16_SWAP_LE_BE (val)) 294 #define GUINT32_SWAP_LE_PDP(val) ((guint32) ( \ 295 (((guint32) (val) & (guint32) 0x0000ffffU) << 16) | \ 296 (((guint32) (val) & (guint32) 0xffff0000U) >> 16))) 297 #define GUINT32_SWAP_BE_PDP(val) ((guint32) ( \ 298 (((guint32) (val) & (guint32) 0x00ff00ffU) << 8) | \ 299 (((guint32) (val) & (guint32) 0xff00ff00U) >> 8))) 300 301 /* The G*_TO_?E() macros are defined in glibconfig.h. 302 * The transformation is symmetric, so the FROM just maps to the TO. 303 */ 304 #define GINT16_FROM_LE(val) (GINT16_TO_LE (val)) 305 #define GUINT16_FROM_LE(val) (GUINT16_TO_LE (val)) 306 #define GINT16_FROM_BE(val) (GINT16_TO_BE (val)) 307 #define GUINT16_FROM_BE(val) (GUINT16_TO_BE (val)) 308 #define GINT32_FROM_LE(val) (GINT32_TO_LE (val)) 309 #define GUINT32_FROM_LE(val) (GUINT32_TO_LE (val)) 310 #define GINT32_FROM_BE(val) (GINT32_TO_BE (val)) 311 #define GUINT32_FROM_BE(val) (GUINT32_TO_BE (val)) 312 313 #define GINT64_FROM_LE(val) (GINT64_TO_LE (val)) 314 #define GUINT64_FROM_LE(val) (GUINT64_TO_LE (val)) 315 #define GINT64_FROM_BE(val) (GINT64_TO_BE (val)) 316 #define GUINT64_FROM_BE(val) (GUINT64_TO_BE (val)) 317 318 #define GLONG_FROM_LE(val) (GLONG_TO_LE (val)) 319 #define GULONG_FROM_LE(val) (GULONG_TO_LE (val)) 320 #define GLONG_FROM_BE(val) (GLONG_TO_BE (val)) 321 #define GULONG_FROM_BE(val) (GULONG_TO_BE (val)) 322 323 #define GINT_FROM_LE(val) (GINT_TO_LE (val)) 324 #define GUINT_FROM_LE(val) (GUINT_TO_LE (val)) 325 #define GINT_FROM_BE(val) (GINT_TO_BE (val)) 326 #define GUINT_FROM_BE(val) (GUINT_TO_BE (val)) 327 328 329 /* Portable versions of host-network order stuff 330 */ 331 #define g_ntohl(val) (GUINT32_FROM_BE (val)) 332 #define g_ntohs(val) (GUINT16_FROM_BE (val)) 333 #define g_htonl(val) (GUINT32_TO_BE (val)) 334 #define g_htons(val) (GUINT16_TO_BE (val)) 335 336 /* IEEE Standard 754 Single Precision Storage Format (gfloat): 337 * 338 * 31 30 23 22 0 339 * +--------+---------------+---------------+ 340 * | s 1bit | e[30:23] 8bit | f[22:0] 23bit | 341 * +--------+---------------+---------------+ 342 * B0------------------->B1------->B2-->B3--> 343 * 344 * IEEE Standard 754 Double Precision Storage Format (gdouble): 345 * 346 * 63 62 52 51 32 31 0 347 * +--------+----------------+----------------+ +---------------+ 348 * | s 1bit | e[62:52] 11bit | f[51:32] 20bit | | f[31:0] 32bit | 349 * +--------+----------------+----------------+ +---------------+ 350 * B0--------------->B1---------->B2--->B3----> B4->B5->B6->B7-> 351 */ 352 /* subtract from biased_exponent to form base2 exponent (normal numbers) */ 353 typedef union _GDoubleIEEE754 GDoubleIEEE754; 354 typedef union _GFloatIEEE754 GFloatIEEE754; 355 #define G_IEEE754_FLOAT_BIAS (127) 356 #define G_IEEE754_DOUBLE_BIAS (1023) 357 /* multiply with base2 exponent to get base10 exponent (normal numbers) */ 358 #define G_LOG_2_BASE_10 (0.30102999566398119521) 359 #if G_BYTE_ORDER == G_LITTLE_ENDIAN 360 union _GFloatIEEE754 361 { 362 gfloat v_float; 363 struct { 364 guint mantissa : 23; 365 guint biased_exponent : 8; 366 guint sign : 1; 367 } mpn; 368 }; 369 union _GDoubleIEEE754 370 { 371 gdouble v_double; 372 struct { 373 guint mantissa_low : 32; 374 guint mantissa_high : 20; 375 guint biased_exponent : 11; 376 guint sign : 1; 377 } mpn; 378 }; 379 #elif G_BYTE_ORDER == G_BIG_ENDIAN 380 union _GFloatIEEE754 381 { 382 gfloat v_float; 383 struct { 384 guint sign : 1; 385 guint biased_exponent : 8; 386 guint mantissa : 23; 387 } mpn; 388 }; 389 union _GDoubleIEEE754 390 { 391 gdouble v_double; 392 struct { 393 guint sign : 1; 394 guint biased_exponent : 11; 395 guint mantissa_high : 20; 396 guint mantissa_low : 32; 397 } mpn; 398 }; 399 #else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */ 400 #error unknown ENDIAN type 401 #endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */ 402 403 typedef struct _GTimeVal GTimeVal; 404 405 struct _GTimeVal 406 { 407 glong tv_sec; 408 glong tv_usec; 409 }; 410 411 #endif 412 413 G_END_DECLS 414 415 /* We prefix variable declarations so they can 416 * properly get exported in windows dlls. 417 */ 418 #ifndef GLIB_VAR 419 # ifdef G_PLATFORM_WIN32 420 # ifdef GLIB_STATIC_COMPILATION 421 # define GLIB_VAR extern 422 # else /* !GLIB_STATIC_COMPILATION */ 423 # ifdef GLIB_COMPILATION 424 # ifdef DLL_EXPORT 425 # define GLIB_VAR __declspec(dllexport) 426 # else /* !DLL_EXPORT */ 427 # define GLIB_VAR extern 428 # endif /* !DLL_EXPORT */ 429 # else /* !GLIB_COMPILATION */ 430 # define GLIB_VAR extern __declspec(dllimport) 431 # endif /* !GLIB_COMPILATION */ 432 # endif /* !GLIB_STATIC_COMPILATION */ 433 # else /* !G_PLATFORM_WIN32 */ 434 # define GLIB_VAR extern 435 # endif /* !G_PLATFORM_WIN32 */ 436 #endif /* GLIB_VAR */ 437 438 #endif /* __G_TYPES_H__ */ 439 440