Mercurial > sdl-ios-xcode
annotate include/SDL_stdinc.h @ 4182:6512a61c2c73 SDL-1.2
Fixed bug #746
Fixed freeze when trying to memset with 0 length
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 07 Aug 2009 10:20:40 +0000 |
| parents | a1b03ba2fcd0 |
| children | 4c4113c2162c |
| rev | line source |
|---|---|
| 1357 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 1357 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Lesser General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2.1 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Lesser General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Lesser General Public | |
| 16 License along with this library; if not, write to the Free Software | |
| 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@libsdl.org | |
| 21 */ | |
| 22 | |
| 23 /* This is a general header that includes C language support */ | |
| 24 | |
| 25 #ifndef _SDL_stdinc_h | |
| 26 #define _SDL_stdinc_h | |
| 27 | |
| 28 #include "SDL_config.h" | |
| 29 | |
| 30 | |
| 1626 | 31 #ifdef HAVE_SYS_TYPES_H |
| 1357 | 32 #include <sys/types.h> |
| 33 #endif | |
| 1626 | 34 #ifdef HAVE_STDIO_H |
| 1357 | 35 #include <stdio.h> |
| 36 #endif | |
| 1626 | 37 #if defined(STDC_HEADERS) |
| 1357 | 38 # include <stdlib.h> |
| 39 # include <stddef.h> | |
| 40 # include <stdarg.h> | |
| 41 #else | |
| 1626 | 42 # if defined(HAVE_STDLIB_H) |
| 43 # include <stdlib.h> | |
| 44 # elif defined(HAVE_MALLOC_H) | |
| 45 # include <malloc.h> | |
| 1357 | 46 # endif |
| 1626 | 47 # if defined(HAVE_STDDEF_H) |
| 48 # include <stddef.h> | |
|
1422
d2ee8da60262
Added pre-configured versions of SDL_config.h for various platforms
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
49 # endif |
| 1626 | 50 # if defined(HAVE_STDARG_H) |
| 51 # include <stdarg.h> | |
| 1357 | 52 # endif |
| 53 #endif | |
| 1626 | 54 #ifdef HAVE_STRING_H |
| 55 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) | |
| 56 # include <memory.h> | |
| 1357 | 57 # endif |
| 58 # include <string.h> | |
| 59 #endif | |
| 1626 | 60 #ifdef HAVE_STRINGS_H |
| 1357 | 61 # include <strings.h> |
| 62 #endif | |
| 1626 | 63 #if defined(HAVE_INTTYPES_H) |
| 1357 | 64 # include <inttypes.h> |
| 1626 | 65 #elif defined(HAVE_STDINT_H) |
| 1357 | 66 # include <stdint.h> |
| 67 #endif | |
| 1626 | 68 #ifdef HAVE_CTYPE_H |
| 1357 | 69 # include <ctype.h> |
| 70 #endif | |
| 1626 | 71 #ifdef HAVE_ICONV_H |
|
1501
73dc5d39bbf8
Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
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72 # include <iconv.h> |
|
73dc5d39bbf8
Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
73 #endif |
| 1357 | 74 |
| 75 /* The number of elements in an array */ | |
| 76 #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0])) | |
| 77 #define SDL_TABLESIZE(table) SDL_arraysize(table) | |
| 78 | |
| 79 /* Basic data types */ | |
| 80 typedef enum SDL_bool { | |
| 81 SDL_FALSE = 0, | |
| 82 SDL_TRUE = 1 | |
| 83 } SDL_bool; | |
| 84 | |
| 85 typedef int8_t Sint8; | |
| 86 typedef uint8_t Uint8; | |
| 87 typedef int16_t Sint16; | |
| 88 typedef uint16_t Uint16; | |
| 89 typedef int32_t Sint32; | |
| 90 typedef uint32_t Uint32; | |
| 91 | |
| 92 #ifdef SDL_HAS_64BIT_TYPE | |
| 93 typedef int64_t Sint64; | |
| 3975 | 94 #ifndef SYMBIAN32_GCCE |
| 1357 | 95 typedef uint64_t Uint64; |
| 3975 | 96 #endif |
| 1357 | 97 #else |
| 98 /* This is really just a hack to prevent the compiler from complaining */ | |
| 99 typedef struct { | |
| 100 Uint32 hi; | |
| 101 Uint32 lo; | |
| 102 } Uint64, Sint64; | |
| 103 #endif | |
| 104 | |
| 105 /* Make sure the types really have the right sizes */ | |
| 106 #define SDL_COMPILE_TIME_ASSERT(name, x) \ | |
| 107 typedef int SDL_dummy_ ## name[(x) * 2 - 1] | |
| 108 | |
| 109 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); | |
| 110 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); | |
| 111 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); | |
| 112 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); | |
| 113 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); | |
| 114 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); | |
| 115 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); | |
| 116 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); | |
| 117 | |
| 118 /* Check to make sure enums are the size of ints, for structure packing. | |
| 119 For both Watcom C/C++ and Borland C/C++ the compiler option that makes | |
| 120 enums having the size of an int must be enabled. | |
| 121 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). | |
| 122 */ | |
| 123 /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ | |
| 124 #ifdef __MWERKS__ | |
| 125 #pragma enumsalwaysint on | |
| 126 #endif | |
| 127 | |
| 128 typedef enum { | |
| 129 DUMMY_ENUM_VALUE | |
| 130 } SDL_DUMMY_ENUM; | |
| 131 | |
|
3976
8582c6a5ca16
Added initial support for Nintendo DS, based on the work by Troy Davis (GPF)
Sam Lantinga <slouken@libsdl.org>
parents:
3975
diff
changeset
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132 #ifndef __NDS__ |
| 1357 | 133 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); |
|
3976
8582c6a5ca16
Added initial support for Nintendo DS, based on the work by Troy Davis (GPF)
Sam Lantinga <slouken@libsdl.org>
parents:
3975
diff
changeset
|
134 #endif |
| 1357 | 135 |
| 136 | |
| 137 #include "begin_code.h" | |
| 138 /* Set up for C function definitions, even when using C++ */ | |
| 139 #ifdef __cplusplus | |
| 140 extern "C" { | |
| 141 #endif | |
| 142 | |
| 1626 | 143 #ifdef HAVE_MALLOC |
| 1357 | 144 #define SDL_malloc malloc |
| 145 #else | |
| 146 extern DECLSPEC void * SDLCALL SDL_malloc(size_t size); | |
| 147 #endif | |
| 148 | |
| 1626 | 149 #ifdef HAVE_CALLOC |
| 1357 | 150 #define SDL_calloc calloc |
| 151 #else | |
| 152 extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size); | |
| 153 #endif | |
| 154 | |
| 1626 | 155 #ifdef HAVE_REALLOC |
| 1357 | 156 #define SDL_realloc realloc |
| 157 #else | |
| 158 extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size); | |
| 159 #endif | |
| 160 | |
| 1626 | 161 #ifdef HAVE_FREE |
| 1357 | 162 #define SDL_free free |
| 163 #else | |
| 164 extern DECLSPEC void SDLCALL SDL_free(void *mem); | |
| 165 #endif | |
| 166 | |
| 1626 | 167 #if defined(HAVE_ALLOCA) && !defined(alloca) |
| 168 # if defined(HAVE_ALLOCA_H) | |
|
1381
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
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169 # include <alloca.h> |
|
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1381
diff
changeset
|
170 # elif defined(__GNUC__) |
|
1381
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
171 # define alloca __builtin_alloca |
|
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1381
diff
changeset
|
172 # elif defined(_MSC_VER) |
|
1381
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
173 # include <malloc.h> |
|
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
174 # define alloca _alloca |
| 1769 | 175 # elif defined(__WATCOMC__) |
| 176 # include <malloc.h> | |
|
4100
ad8bdb215737
Stephen Hurd fixed bug #505
Sam Lantinga <slouken@libsdl.org>
parents:
4020
diff
changeset
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177 # elif defined(__BORLANDC__) |
|
ad8bdb215737
Stephen Hurd fixed bug #505
Sam Lantinga <slouken@libsdl.org>
parents:
4020
diff
changeset
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178 # include <malloc.h> |
| 1870 | 179 # elif defined(__DMC__) |
| 180 # include <stdlib.h> | |
|
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1381
diff
changeset
|
181 # elif defined(__AIX__) |
|
1381
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
182 #pragma alloca |
|
1829
b98fd17b0b02
Fixed alloca declaration for MPW
Sam Lantinga <slouken@libsdl.org>
parents:
1769
diff
changeset
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183 # elif defined(__MRC__) |
|
b98fd17b0b02
Fixed alloca declaration for MPW
Sam Lantinga <slouken@libsdl.org>
parents:
1769
diff
changeset
|
184 void *alloca (unsigned); |
|
1381
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
185 # else |
|
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
186 char *alloca (); |
|
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
187 # endif |
|
8570e1f4b1f1
On FreeBSD, alloca is defined in stdlib.h
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
188 #endif |
| 1626 | 189 #ifdef HAVE_ALLOCA |
|
3900
ce3a2bd11305
Wrapped some macro params in parentheses for alloca wrappers.
Ryan C. Gordon <icculus@icculus.org>
parents:
1870
diff
changeset
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190 #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count)) |
| 1357 | 191 #define SDL_stack_free(data) |
| 192 #else | |
|
3900
ce3a2bd11305
Wrapped some macro params in parentheses for alloca wrappers.
Ryan C. Gordon <icculus@icculus.org>
parents:
1870
diff
changeset
|
193 #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count)) |
| 1357 | 194 #define SDL_stack_free(data) SDL_free(data) |
| 195 #endif | |
| 196 | |
| 1626 | 197 #ifdef HAVE_GETENV |
| 1357 | 198 #define SDL_getenv getenv |
| 199 #else | |
| 200 extern DECLSPEC char * SDLCALL SDL_getenv(const char *name); | |
| 201 #endif | |
| 202 | |
| 1626 | 203 #ifdef HAVE_PUTENV |
| 1357 | 204 #define SDL_putenv putenv |
| 205 #else | |
| 206 extern DECLSPEC int SDLCALL SDL_putenv(const char *variable); | |
| 207 #endif | |
| 208 | |
| 1626 | 209 #ifdef HAVE_QSORT |
| 1357 | 210 #define SDL_qsort qsort |
| 211 #else | |
| 212 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, | |
| 213 int (*compare)(const void *, const void *)); | |
| 214 #endif | |
| 215 | |
| 1626 | 216 #ifdef HAVE_ABS |
| 1357 | 217 #define SDL_abs abs |
| 218 #else | |
| 219 #define SDL_abs(X) ((X) < 0 ? -(X) : (X)) | |
| 220 #endif | |
| 221 | |
|
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Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1368
diff
changeset
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222 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) |
|
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1368
diff
changeset
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223 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) |
|
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
1368
diff
changeset
|
224 |
| 1626 | 225 #ifdef HAVE_CTYPE_H |
| 1357 | 226 #define SDL_isdigit(X) isdigit(X) |
| 227 #define SDL_isspace(X) isspace(X) | |
| 228 #define SDL_toupper(X) toupper(X) | |
| 229 #define SDL_tolower(X) tolower(X) | |
| 230 #else | |
| 231 #define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9')) | |
| 232 #define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n')) | |
| 233 #define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X)) | |
| 234 #define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X)) | |
| 235 #endif | |
| 236 | |
| 1626 | 237 #ifdef HAVE_MEMSET |
| 1357 | 238 #define SDL_memset memset |
| 239 #else | |
| 240 extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len); | |
| 241 #endif | |
| 242 | |
| 4020 | 243 #if defined(__GNUC__) && defined(i386) |
| 1357 | 244 #define SDL_memset4(dst, val, len) \ |
| 245 do { \ | |
| 246 int u0, u1, u2; \ | |
| 247 __asm__ __volatile__ ( \ | |
| 248 "cld\n\t" \ | |
| 249 "rep ; stosl\n\t" \ | |
| 250 : "=&D" (u0), "=&a" (u1), "=&c" (u2) \ | |
| 251 : "0" (dst), "1" (val), "2" ((Uint32)(len)) \ | |
| 252 : "memory" ); \ | |
| 253 } while(0) | |
| 254 #endif | |
| 255 #ifndef SDL_memset4 | |
| 256 #define SDL_memset4(dst, val, len) \ | |
| 257 do { \ | |
| 258 unsigned _count = (len); \ | |
| 259 unsigned _n = (_count + 3) / 4; \ | |
| 260 Uint32 *_p = (Uint32 *)(dst); \ | |
| 261 Uint32 _val = (val); \ | |
| 4182 | 262 if (len == 0) break; \ |
| 1357 | 263 switch (_count % 4) { \ |
| 264 case 0: do { *_p++ = _val; \ | |
| 265 case 3: *_p++ = _val; \ | |
| 266 case 2: *_p++ = _val; \ | |
| 267 case 1: *_p++ = _val; \ | |
| 268 } while ( --_n ); \ | |
| 269 } \ | |
| 270 } while(0) | |
| 271 #endif | |
| 272 | |
|
3946
259aaca0fb0c
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
Ryan C. Gordon <icculus@icculus.org>
parents:
3928
diff
changeset
|
273 /* We can count on memcpy existing on Mac OS X and being well-tuned. */ |
|
259aaca0fb0c
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
Ryan C. Gordon <icculus@icculus.org>
parents:
3928
diff
changeset
|
274 #if defined(__MACH__) && defined(__APPLE__) |
|
259aaca0fb0c
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
Ryan C. Gordon <icculus@icculus.org>
parents:
3928
diff
changeset
|
275 #define SDL_memcpy(dst, src, len) memcpy(dst, src, len) |
|
259aaca0fb0c
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
Ryan C. Gordon <icculus@icculus.org>
parents:
3928
diff
changeset
|
276 #elif defined(__GNUC__) && defined(i386) |
| 1357 | 277 #define SDL_memcpy(dst, src, len) \ |
| 278 do { \ | |
| 279 int u0, u1, u2; \ | |
| 280 __asm__ __volatile__ ( \ | |
| 281 "cld\n\t" \ | |
| 282 "rep ; movsl\n\t" \ | |
| 283 "testb $2,%b4\n\t" \ | |
| 284 "je 1f\n\t" \ | |
| 285 "movsw\n" \ | |
| 286 "1:\ttestb $1,%b4\n\t" \ | |
| 287 "je 2f\n\t" \ | |
| 288 "movsb\n" \ | |
| 289 "2:" \ | |
| 290 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ | |
| 291 : "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \ | |
| 292 : "memory" ); \ | |
| 293 } while(0) | |
| 294 #endif | |
| 295 #ifndef SDL_memcpy | |
| 1626 | 296 #ifdef HAVE_MEMCPY |
| 1357 | 297 #define SDL_memcpy memcpy |
| 1626 | 298 #elif defined(HAVE_BCOPY) |
| 1357 | 299 #define SDL_memcpy(d, s, n) bcopy((s), (d), (n)) |
| 300 #else | |
| 301 extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len); | |
| 302 #endif | |
| 303 #endif | |
| 304 | |
|
3946
259aaca0fb0c
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
Ryan C. Gordon <icculus@icculus.org>
parents:
3928
diff
changeset
|
305 /* We can count on memcpy existing on Mac OS X and being well-tuned. */ |
|
259aaca0fb0c
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
Ryan C. Gordon <icculus@icculus.org>
parents:
3928
diff
changeset
|
306 #if defined(__MACH__) && defined(__APPLE__) |
|
259aaca0fb0c
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
Ryan C. Gordon <icculus@icculus.org>
parents:
3928
diff
changeset
|
307 #define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4) |
|
259aaca0fb0c
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
Ryan C. Gordon <icculus@icculus.org>
parents:
3928
diff
changeset
|
308 #elif defined(__GNUC__) && defined(i386) |
| 1357 | 309 #define SDL_memcpy4(dst, src, len) \ |
| 310 do { \ | |
| 311 int ecx, edi, esi; \ | |
| 312 __asm__ __volatile__ ( \ | |
| 313 "cld\n\t" \ | |
| 314 "rep ; movsl" \ | |
| 315 : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ | |
| 316 : "0" ((unsigned)(len)), "1" (dst), "2" (src) \ | |
| 317 : "memory" ); \ | |
| 318 } while(0) | |
| 319 #endif | |
| 320 #ifndef SDL_memcpy4 | |
| 321 #define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) | |
| 322 #endif | |
| 323 | |
| 324 #if defined(__GNUC__) && defined(i386) | |
| 325 #define SDL_revcpy(dst, src, len) \ | |
| 326 do { \ | |
| 327 int u0, u1, u2; \ | |
| 328 char *dstp = (char *)(dst); \ | |
| 329 char *srcp = (char *)(src); \ | |
| 330 int n = (len); \ | |
| 331 if ( n >= 4 ) { \ | |
| 332 __asm__ __volatile__ ( \ | |
| 333 "std\n\t" \ | |
| 334 "rep ; movsl\n\t" \ | |
|
4137
be12463f31ea
Date: Sat, 2 Feb 2008 22:08:05 +0100
Ryan C. Gordon <icculus@icculus.org>
parents:
4100
diff
changeset
|
335 "cld\n\t" \ |
| 1357 | 336 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ |
| 337 : "0" (n >> 2), \ | |
| 338 "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ | |
| 339 : "memory" ); \ | |
| 340 } \ | |
| 341 switch (n & 3) { \ | |
| 342 case 3: dstp[2] = srcp[2]; \ | |
| 343 case 2: dstp[1] = srcp[1]; \ | |
| 344 case 1: dstp[0] = srcp[0]; \ | |
| 345 break; \ | |
| 346 default: \ | |
| 347 break; \ | |
| 348 } \ | |
| 349 } while(0) | |
| 350 #endif | |
| 351 #ifndef SDL_revcpy | |
| 352 extern DECLSPEC void * SDLCALL SDL_revcpy(void *dst, const void *src, size_t len); | |
| 353 #endif | |
| 354 | |
| 1626 | 355 #ifdef HAVE_MEMMOVE |
| 1357 | 356 #define SDL_memmove memmove |
| 1626 | 357 #elif defined(HAVE_BCOPY) |
| 1357 | 358 #define SDL_memmove(d, s, n) bcopy((s), (d), (n)) |
| 359 #else | |
| 360 #define SDL_memmove(dst, src, len) \ | |
| 361 do { \ | |
| 362 if ( dst < src ) { \ | |
| 363 SDL_memcpy(dst, src, len); \ | |
| 364 } else { \ | |
| 365 SDL_revcpy(dst, src, len); \ | |
| 366 } \ | |
| 367 } while(0) | |
| 368 #endif | |
| 369 | |
| 1626 | 370 #ifdef HAVE_MEMCMP |
| 1357 | 371 #define SDL_memcmp memcmp |
| 372 #else | |
| 373 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len); | |
| 374 #endif | |
| 375 | |
| 1626 | 376 #ifdef HAVE_STRLEN |
| 1357 | 377 #define SDL_strlen strlen |
| 378 #else | |
| 379 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); | |
| 380 #endif | |
| 381 | |
| 1626 | 382 #ifdef HAVE_STRLCPY |
|
1379
c0a74f199ecf
Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents:
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383 #define SDL_strlcpy strlcpy |
| 1357 | 384 #else |
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385 extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen); |
| 1357 | 386 #endif |
| 387 | |
| 1626 | 388 #ifdef HAVE_STRLCAT |
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389 #define SDL_strlcat strlcat |
| 1357 | 390 #else |
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391 extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen); |
| 1357 | 392 #endif |
| 393 | |
| 1626 | 394 #ifdef HAVE_STRDUP |
| 1357 | 395 #define SDL_strdup strdup |
| 396 #else | |
| 397 extern DECLSPEC char * SDLCALL SDL_strdup(const char *string); | |
| 398 #endif | |
| 399 | |
| 1626 | 400 #ifdef HAVE__STRREV |
| 1357 | 401 #define SDL_strrev _strrev |
| 402 #else | |
| 403 extern DECLSPEC char * SDLCALL SDL_strrev(char *string); | |
| 404 #endif | |
| 405 | |
| 1626 | 406 #ifdef HAVE__STRUPR |
| 1357 | 407 #define SDL_strupr _strupr |
| 408 #else | |
| 409 extern DECLSPEC char * SDLCALL SDL_strupr(char *string); | |
| 410 #endif | |
| 411 | |
| 1626 | 412 #ifdef HAVE__STRLWR |
| 1357 | 413 #define SDL_strlwr _strlwr |
| 414 #else | |
| 415 extern DECLSPEC char * SDLCALL SDL_strlwr(char *string); | |
| 416 #endif | |
| 417 | |
| 1626 | 418 #ifdef HAVE_STRCHR |
| 1357 | 419 #define SDL_strchr strchr |
| 1626 | 420 #elif defined(HAVE_INDEX) |
| 1357 | 421 #define SDL_strchr index |
| 422 #else | |
| 423 extern DECLSPEC char * SDLCALL SDL_strchr(const char *string, int c); | |
| 424 #endif | |
| 425 | |
| 1626 | 426 #ifdef HAVE_STRRCHR |
| 1357 | 427 #define SDL_strrchr strrchr |
| 1626 | 428 #elif defined(HAVE_RINDEX) |
| 1357 | 429 #define SDL_strrchr rindex |
| 430 #else | |
| 431 extern DECLSPEC char * SDLCALL SDL_strrchr(const char *string, int c); | |
| 432 #endif | |
| 433 | |
| 1626 | 434 #ifdef HAVE_STRSTR |
| 1357 | 435 #define SDL_strstr strstr |
| 436 #else | |
| 437 extern DECLSPEC char * SDLCALL SDL_strstr(const char *haystack, const char *needle); | |
| 438 #endif | |
| 439 | |
| 1626 | 440 #ifdef HAVE_ITOA |
| 1357 | 441 #define SDL_itoa itoa |
| 442 #else | |
| 443 #define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) | |
| 444 #endif | |
| 445 | |
| 1626 | 446 #ifdef HAVE__LTOA |
| 1357 | 447 #define SDL_ltoa _ltoa |
| 448 #else | |
| 449 extern DECLSPEC char * SDLCALL SDL_ltoa(long value, char *string, int radix); | |
| 450 #endif | |
| 451 | |
| 1626 | 452 #ifdef HAVE__UITOA |
| 1357 | 453 #define SDL_uitoa _uitoa |
| 454 #else | |
| 455 #define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) | |
| 456 #endif | |
| 457 | |
| 1626 | 458 #ifdef HAVE__ULTOA |
| 1357 | 459 #define SDL_ultoa _ultoa |
| 460 #else | |
| 461 extern DECLSPEC char * SDLCALL SDL_ultoa(unsigned long value, char *string, int radix); | |
| 462 #endif | |
| 463 | |
| 1626 | 464 #ifdef HAVE_STRTOL |
| 1357 | 465 #define SDL_strtol strtol |
| 466 #else | |
| 467 extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base); | |
| 468 #endif | |
| 469 | |
| 1626 | 470 #ifdef HAVE_STRTOUL |
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471 #define SDL_strtoul strtoul |
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472 #else |
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473 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, char **endp, int base); |
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474 #endif |
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475 |
| 1626 | 476 #ifdef SDL_HAS_64BIT_TYPE |
| 1357 | 477 |
| 1626 | 478 #ifdef HAVE__I64TOA |
| 1357 | 479 #define SDL_lltoa _i64toa |
| 480 #else | |
| 481 extern DECLSPEC char* SDLCALL SDL_lltoa(Sint64 value, char *string, int radix); | |
| 482 #endif | |
| 483 | |
| 1626 | 484 #ifdef HAVE__UI64TOA |
| 1357 | 485 #define SDL_ulltoa _ui64toa |
| 486 #else | |
| 487 extern DECLSPEC char* SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix); | |
| 488 #endif | |
| 489 | |
| 1626 | 490 #ifdef HAVE_STRTOLL |
| 1357 | 491 #define SDL_strtoll strtoll |
| 492 #else | |
| 493 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base); | |
| 494 #endif | |
| 495 | |
| 1626 | 496 #ifdef HAVE_STRTOULL |
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497 #define SDL_strtoull strtoull |
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498 #else |
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499 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, int base); |
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500 #endif |
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501 |
| 1357 | 502 #endif /* SDL_HAS_64BIT_TYPE */ |
| 503 | |
| 1626 | 504 #ifdef HAVE_STRTOD |
| 1357 | 505 #define SDL_strtod strtod |
| 506 #else | |
| 507 extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp); | |
| 508 #endif | |
| 509 | |
| 1626 | 510 #ifdef HAVE_ATOI |
| 1357 | 511 #define SDL_atoi atoi |
| 512 #else | |
| 513 #define SDL_atoi(X) SDL_strtol(X, NULL, 0) | |
| 514 #endif | |
| 515 | |
| 1626 | 516 #ifdef HAVE_ATOF |
| 1357 | 517 #define SDL_atof atof |
| 518 #else | |
| 519 #define SDL_atof(X) SDL_strtod(X, NULL) | |
| 520 #endif | |
| 521 | |
| 1626 | 522 #ifdef HAVE_STRCMP |
| 1357 | 523 #define SDL_strcmp strcmp |
| 524 #else | |
| 525 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); | |
| 526 #endif | |
| 527 | |
| 1626 | 528 #ifdef HAVE_STRNCMP |
| 1357 | 529 #define SDL_strncmp strncmp |
| 530 #else | |
| 531 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen); | |
| 532 #endif | |
| 533 | |
| 1626 | 534 #ifdef HAVE_STRCASECMP |
| 1357 | 535 #define SDL_strcasecmp strcasecmp |
| 1626 | 536 #elif defined(HAVE__STRICMP) |
| 1510 | 537 #define SDL_strcasecmp _stricmp |
| 1357 | 538 #else |
| 539 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2); | |
| 540 #endif | |
| 541 | |
| 1626 | 542 #ifdef HAVE_STRNCASECMP |
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543 #define SDL_strncasecmp strncasecmp |
| 1626 | 544 #elif defined(HAVE__STRNICMP) |
| 1512 | 545 #define SDL_strncasecmp _strnicmp |
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546 #else |
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547 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen); |
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548 #endif |
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549 |
| 1626 | 550 #ifdef HAVE_SSCANF |
| 1357 | 551 #define SDL_sscanf sscanf |
| 552 #else | |
| 553 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...); | |
| 554 #endif | |
| 555 | |
| 1626 | 556 #ifdef HAVE_SNPRINTF |
| 1357 | 557 #define SDL_snprintf snprintf |
| 558 #else | |
| 559 extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...); | |
| 560 #endif | |
| 561 | |
| 1626 | 562 #ifdef HAVE_VSNPRINTF |
| 1357 | 563 #define SDL_vsnprintf vsnprintf |
| 564 #else | |
| 565 extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap); | |
| 566 #endif | |
| 567 | |
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568 /* The SDL implementation of iconv() returns these error codes */ |
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569 #define SDL_ICONV_ERROR (size_t)-1 |
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570 #define SDL_ICONV_E2BIG (size_t)-2 |
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571 #define SDL_ICONV_EILSEQ (size_t)-3 |
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572 #define SDL_ICONV_EINVAL (size_t)-4 |
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573 |
| 1626 | 574 #ifdef HAVE_ICONV |
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575 #define SDL_iconv_t iconv_t |
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576 #define SDL_iconv_open iconv_open |
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577 #define SDL_iconv_close iconv_close |
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578 #else |
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579 typedef struct _SDL_iconv_t *SDL_iconv_t; |
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580 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode); |
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581 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); |
| 3984 | 582 #endif |
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583 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); |
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584 /* This function converts a string between encodings in one pass, returning a |
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585 string that must be freed with SDL_free() or NULL on error. |
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586 */ |
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587 extern DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft); |
| 3998 | 588 #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1) |
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589 #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1) |
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590 #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1) |
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591 |
| 1357 | 592 /* Ends C function definitions when using C++ */ |
| 593 #ifdef __cplusplus | |
| 594 } | |
| 595 #endif | |
| 596 #include "close_code.h" | |
| 597 | |
| 598 #endif /* _SDL_stdinc_h */ |