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1 | /* | |
2 | SDL - Simple DirectMedia Layer | |
3 | Copyright (C) 1997-2006 Sam Lantinga | |
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 | ||
31 | #ifdef HAVE_SYS_TYPES_H | |
32 | #include <sys/types.h> | |
33 | #endif | |
34 | #ifdef HAVE_STDIO_H | |
35 | #include <stdio.h> | |
36 | #endif | |
37 | #if defined(STDC_HEADERS) | |
38 | # include <stdlib.h> | |
39 | # include <stddef.h> | |
40 | # include <stdarg.h> | |
41 | #else | |
42 | # if defined(HAVE_STDLIB_H) | |
43 | # include <stdlib.h> | |
44 | # elif defined(HAVE_MALLOC_H) | |
45 | # include <malloc.h> | |
46 | # endif | |
47 | # if defined(HAVE_STDDEF_H) | |
48 | # include <stddef.h> | |
49 | # endif | |
50 | # if defined(HAVE_STDARG_H) | |
51 | # include <stdarg.h> | |
52 | # endif | |
53 | #endif | |
54 | #ifdef HAVE_STRING_H | |
55 | # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) | |
56 | # include <memory.h> | |
57 | # endif | |
58 | # include <string.h> | |
59 | #endif | |
60 | #ifdef HAVE_STRINGS_H | |
61 | # include <strings.h> | |
62 | #endif | |
63 | #if defined(HAVE_INTTYPES_H) | |
64 | # include <inttypes.h> | |
65 | #elif defined(HAVE_STDINT_H) | |
66 | # include <stdint.h> | |
67 | #endif | |
68 | #ifdef HAVE_CTYPE_H | |
69 | # include <ctype.h> | |
70 | #endif | |
71 | #ifdef HAVE_ICONV_H | |
72 | # include <iconv.h> | |
73 | #endif | |
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; | |
94 | #ifndef SYMBIAN32_GCCE | |
95 | typedef uint64_t Uint64; | |
96 | #endif | |
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 | ||
132 | #ifndef __NDS__ | |
133 | SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); | |
134 | #endif | |
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 | ||
143 | #ifdef HAVE_MALLOC | |
144 | #define SDL_malloc malloc | |
145 | #else | |
146 | extern DECLSPEC void * SDLCALL SDL_malloc(size_t size); | |
147 | #endif | |
148 | ||
149 | #ifdef HAVE_CALLOC | |
150 | #define SDL_calloc calloc | |
151 | #else | |
152 | extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size); | |
153 | #endif | |
154 | ||
155 | #ifdef HAVE_REALLOC | |
156 | #define SDL_realloc realloc | |
157 | #else | |
158 | extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size); | |
159 | #endif | |
160 | ||
161 | #ifdef HAVE_FREE | |
162 | #define SDL_free free | |
163 | #else | |
164 | extern DECLSPEC void SDLCALL SDL_free(void *mem); | |
165 | #endif | |
166 | ||
167 | #if defined(HAVE_ALLOCA) && !defined(alloca) | |
168 | # if defined(HAVE_ALLOCA_H) | |
169 | # include <alloca.h> | |
170 | # elif defined(__GNUC__) | |
171 | # define alloca __builtin_alloca | |
172 | # elif defined(_MSC_VER) | |
173 | # include <malloc.h> | |
174 | # define alloca _alloca | |
175 | # elif defined(__WATCOMC__) | |
176 | # include <malloc.h> | |
177 | # elif defined(__BORLANDC__) | |
178 | # include <malloc.h> | |
179 | # elif defined(__DMC__) | |
180 | # include <stdlib.h> | |
181 | # elif defined(__AIX__) | |
182 | #pragma alloca | |
183 | # elif defined(__MRC__) | |
184 | void *alloca (unsigned); | |
185 | # else | |
186 | char *alloca (); | |
187 | # endif | |
188 | #endif | |
189 | #ifdef HAVE_ALLOCA | |
190 | #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count)) | |
191 | #define SDL_stack_free(data) | |
192 | #else | |
193 | #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count)) | |
194 | #define SDL_stack_free(data) SDL_free(data) | |
195 | #endif | |
196 | ||
197 | #ifdef HAVE_GETENV | |
198 | #define SDL_getenv getenv | |
199 | #else | |
200 | extern DECLSPEC char * SDLCALL SDL_getenv(const char *name); | |
201 | #endif | |
202 | ||
203 | #ifdef HAVE_PUTENV | |
204 | #define SDL_putenv putenv | |
205 | #else | |
206 | extern DECLSPEC int SDLCALL SDL_putenv(const char *variable); | |
207 | #endif | |
208 | ||
209 | #ifdef HAVE_QSORT | |
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 | ||
216 | #ifdef HAVE_ABS | |
217 | #define SDL_abs abs | |
218 | #else | |
219 | #define SDL_abs(X) ((X) < 0 ? -(X) : (X)) | |
220 | #endif | |
221 | ||
222 | #define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) | |
223 | #define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) | |
224 | ||
225 | #ifdef HAVE_CTYPE_H | |
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 | ||
237 | #ifdef HAVE_MEMSET | |
238 | #define SDL_memset memset | |
239 | #else | |
240 | extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len); | |
241 | #endif | |
242 | ||
243 | #if defined(__GNUC__) && defined(i386) | |
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); \ | |
262 | switch (_count % 4) { \ | |
263 | case 0: do { *_p++ = _val; \ | |
264 | case 3: *_p++ = _val; \ | |
265 | case 2: *_p++ = _val; \ | |
266 | case 1: *_p++ = _val; \ | |
267 | } while ( --_n ); \ | |
268 | } \ | |
269 | } while(0) | |
270 | #endif | |
271 | ||
272 | /* We can count on memcpy existing on Mac OS X and being well-tuned. */ | |
273 | #if defined(__MACH__) && defined(__APPLE__) | |
274 | #define SDL_memcpy(dst, src, len) memcpy(dst, src, len) | |
275 | #elif defined(__GNUC__) && defined(i386) | |
276 | #define SDL_memcpy(dst, src, len) \ | |
277 | do { \ | |
278 | int u0, u1, u2; \ | |
279 | __asm__ __volatile__ ( \ | |
280 | "cld\n\t" \ | |
281 | "rep ; movsl\n\t" \ | |
282 | "testb $2,%b4\n\t" \ | |
283 | "je 1f\n\t" \ | |
284 | "movsw\n" \ | |
285 | "1:\ttestb $1,%b4\n\t" \ | |
286 | "je 2f\n\t" \ | |
287 | "movsb\n" \ | |
288 | "2:" \ | |
289 | : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ | |
290 | : "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \ | |
291 | : "memory" ); \ | |
292 | } while(0) | |
293 | #endif | |
294 | #ifndef SDL_memcpy | |
295 | #ifdef HAVE_MEMCPY | |
296 | #define SDL_memcpy memcpy | |
297 | #elif defined(HAVE_BCOPY) | |
298 | #define SDL_memcpy(d, s, n) bcopy((s), (d), (n)) | |
299 | #else | |
300 | extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len); | |
301 | #endif | |
302 | #endif | |
303 | ||
304 | /* We can count on memcpy existing on Mac OS X and being well-tuned. */ | |
305 | #if defined(__MACH__) && defined(__APPLE__) | |
306 | #define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4) | |
307 | #elif defined(__GNUC__) && defined(i386) | |
308 | #define SDL_memcpy4(dst, src, len) \ | |
309 | do { \ | |
310 | int ecx, edi, esi; \ | |
311 | __asm__ __volatile__ ( \ | |
312 | "cld\n\t" \ | |
313 | "rep ; movsl" \ | |
314 | : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ | |
315 | : "0" ((unsigned)(len)), "1" (dst), "2" (src) \ | |
316 | : "memory" ); \ | |
317 | } while(0) | |
318 | #endif | |
319 | #ifndef SDL_memcpy4 | |
320 | #define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) | |
321 | #endif | |
322 | ||
323 | #if defined(__GNUC__) && defined(i386) | |
324 | #define SDL_revcpy(dst, src, len) \ | |
325 | do { \ | |
326 | int u0, u1, u2; \ | |
327 | char *dstp = (char *)(dst); \ | |
328 | char *srcp = (char *)(src); \ | |
329 | int n = (len); \ | |
330 | if ( n >= 4 ) { \ | |
331 | __asm__ __volatile__ ( \ | |
332 | "std\n\t" \ | |
333 | "rep ; movsl\n\t" \ | |
334 | : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ | |
335 | : "0" (n >> 2), \ | |
336 | "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ | |
337 | : "memory" ); \ | |
338 | } \ | |
339 | switch (n & 3) { \ | |
340 | case 3: dstp[2] = srcp[2]; \ | |
341 | case 2: dstp[1] = srcp[1]; \ | |
342 | case 1: dstp[0] = srcp[0]; \ | |
343 | break; \ | |
344 | default: \ | |
345 | break; \ | |
346 | } \ | |
347 | } while(0) | |
348 | #endif | |
349 | #ifndef SDL_revcpy | |
350 | extern DECLSPEC void * SDLCALL SDL_revcpy(void *dst, const void *src, size_t len); | |
351 | #endif | |
352 | ||
353 | #ifdef HAVE_MEMMOVE | |
354 | #define SDL_memmove memmove | |
355 | #elif defined(HAVE_BCOPY) | |
356 | #define SDL_memmove(d, s, n) bcopy((s), (d), (n)) | |
357 | #else | |
358 | #define SDL_memmove(dst, src, len) \ | |
359 | do { \ | |
360 | if ( dst < src ) { \ | |
361 | SDL_memcpy(dst, src, len); \ | |
362 | } else { \ | |
363 | SDL_revcpy(dst, src, len); \ | |
364 | } \ | |
365 | } while(0) | |
366 | #endif | |
367 | ||
368 | #ifdef HAVE_MEMCMP | |
369 | #define SDL_memcmp memcmp | |
370 | #else | |
371 | extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len); | |
372 | #endif | |
373 | ||
374 | #ifdef HAVE_STRLEN | |
375 | #define SDL_strlen strlen | |
376 | #else | |
377 | extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); | |
378 | #endif | |
379 | ||
380 | #ifdef HAVE_STRLCPY | |
381 | #define SDL_strlcpy strlcpy | |
382 | #else | |
383 | extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen); | |
384 | #endif | |
385 | ||
386 | #ifdef HAVE_STRLCAT | |
387 | #define SDL_strlcat strlcat | |
388 | #else | |
389 | extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen); | |
390 | #endif | |
391 | ||
392 | #ifdef HAVE_STRDUP | |
393 | #define SDL_strdup strdup | |
394 | #else | |
395 | extern DECLSPEC char * SDLCALL SDL_strdup(const char *string); | |
396 | #endif | |
397 | ||
398 | #ifdef HAVE__STRREV | |
399 | #define SDL_strrev _strrev | |
400 | #else | |
401 | extern DECLSPEC char * SDLCALL SDL_strrev(char *string); | |
402 | #endif | |
403 | ||
404 | #ifdef HAVE__STRUPR | |
405 | #define SDL_strupr _strupr | |
406 | #else | |
407 | extern DECLSPEC char * SDLCALL SDL_strupr(char *string); | |
408 | #endif | |
409 | ||
410 | #ifdef HAVE__STRLWR | |
411 | #define SDL_strlwr _strlwr | |
412 | #else | |
413 | extern DECLSPEC char * SDLCALL SDL_strlwr(char *string); | |
414 | #endif | |
415 | ||
416 | #ifdef HAVE_STRCHR | |
417 | #define SDL_strchr strchr | |
418 | #elif defined(HAVE_INDEX) | |
419 | #define SDL_strchr index | |
420 | #else | |
421 | extern DECLSPEC char * SDLCALL SDL_strchr(const char *string, int c); | |
422 | #endif | |
423 | ||
424 | #ifdef HAVE_STRRCHR | |
425 | #define SDL_strrchr strrchr | |
426 | #elif defined(HAVE_RINDEX) | |
427 | #define SDL_strrchr rindex | |
428 | #else | |
429 | extern DECLSPEC char * SDLCALL SDL_strrchr(const char *string, int c); | |
430 | #endif | |
431 | ||
432 | #ifdef HAVE_STRSTR | |
433 | #define SDL_strstr strstr | |
434 | #else | |
435 | extern DECLSPEC char * SDLCALL SDL_strstr(const char *haystack, const char *needle); | |
436 | #endif | |
437 | ||
438 | #ifdef HAVE_ITOA | |
439 | #define SDL_itoa itoa | |
440 | #else | |
441 | #define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) | |
442 | #endif | |
443 | ||
444 | #ifdef HAVE__LTOA | |
445 | #define SDL_ltoa _ltoa | |
446 | #else | |
447 | extern DECLSPEC char * SDLCALL SDL_ltoa(long value, char *string, int radix); | |
448 | #endif | |
449 | ||
450 | #ifdef HAVE__UITOA | |
451 | #define SDL_uitoa _uitoa | |
452 | #else | |
453 | #define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) | |
454 | #endif | |
455 | ||
456 | #ifdef HAVE__ULTOA | |
457 | #define SDL_ultoa _ultoa | |
458 | #else | |
459 | extern DECLSPEC char * SDLCALL SDL_ultoa(unsigned long value, char *string, int radix); | |
460 | #endif | |
461 | ||
462 | #ifdef HAVE_STRTOL | |
463 | #define SDL_strtol strtol | |
464 | #else | |
465 | extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base); | |
466 | #endif | |
467 | ||
468 | #ifdef HAVE_STRTOUL | |
469 | #define SDL_strtoul strtoul | |
470 | #else | |
471 | extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, char **endp, int base); | |
472 | #endif | |
473 | ||
474 | #ifdef SDL_HAS_64BIT_TYPE | |
475 | ||
476 | #ifdef HAVE__I64TOA | |
477 | #define SDL_lltoa _i64toa | |
478 | #else | |
479 | extern DECLSPEC char* SDLCALL SDL_lltoa(Sint64 value, char *string, int radix); | |
480 | #endif | |
481 | ||
482 | #ifdef HAVE__UI64TOA | |
483 | #define SDL_ulltoa _ui64toa | |
484 | #else | |
485 | extern DECLSPEC char* SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix); | |
486 | #endif | |
487 | ||
488 | #ifdef HAVE_STRTOLL | |
489 | #define SDL_strtoll strtoll | |
490 | #else | |
491 | extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base); | |
492 | #endif | |
493 | ||
494 | #ifdef HAVE_STRTOULL | |
495 | #define SDL_strtoull strtoull | |
496 | #else | |
497 | extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, int base); | |
498 | #endif | |
499 | ||
500 | #endif /* SDL_HAS_64BIT_TYPE */ | |
501 | ||
502 | #ifdef HAVE_STRTOD | |
503 | #define SDL_strtod strtod | |
504 | #else | |
505 | extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp); | |
506 | #endif | |
507 | ||
508 | #ifdef HAVE_ATOI | |
509 | #define SDL_atoi atoi | |
510 | #else | |
511 | #define SDL_atoi(X) SDL_strtol(X, NULL, 0) | |
512 | #endif | |
513 | ||
514 | #ifdef HAVE_ATOF | |
515 | #define SDL_atof atof | |
516 | #else | |
517 | #define SDL_atof(X) SDL_strtod(X, NULL) | |
518 | #endif | |
519 | ||
520 | #ifdef HAVE_STRCMP | |
521 | #define SDL_strcmp strcmp | |
522 | #else | |
523 | extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); | |
524 | #endif | |
525 | ||
526 | #ifdef HAVE_STRNCMP | |
527 | #define SDL_strncmp strncmp | |
528 | #else | |
529 | extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen); | |
530 | #endif | |
531 | ||
532 | #ifdef HAVE_STRCASECMP | |
533 | #define SDL_strcasecmp strcasecmp | |
534 | #elif defined(HAVE__STRICMP) | |
535 | #define SDL_strcasecmp _stricmp | |
536 | #else | |
537 | extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2); | |
538 | #endif | |
539 | ||
540 | #ifdef HAVE_STRNCASECMP | |
541 | #define SDL_strncasecmp strncasecmp | |
542 | #elif defined(HAVE__STRNICMP) | |
543 | #define SDL_strncasecmp _strnicmp | |
544 | #else | |
545 | extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen); | |
546 | #endif | |
547 | ||
548 | #ifdef HAVE_SSCANF | |
549 | #define SDL_sscanf sscanf | |
550 | #else | |
551 | extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...); | |
552 | #endif | |
553 | ||
554 | #ifdef HAVE_SNPRINTF | |
555 | #define SDL_snprintf snprintf | |
556 | #else | |
557 | extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...); | |
558 | #endif | |
559 | ||
560 | #ifdef HAVE_VSNPRINTF | |
561 | #define SDL_vsnprintf vsnprintf | |
562 | #else | |
563 | extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap); | |
564 | #endif | |
565 | ||
566 | /* The SDL implementation of iconv() returns these error codes */ | |
567 | #define SDL_ICONV_ERROR (size_t)-1 | |
568 | #define SDL_ICONV_E2BIG (size_t)-2 | |
569 | #define SDL_ICONV_EILSEQ (size_t)-3 | |
570 | #define SDL_ICONV_EINVAL (size_t)-4 | |
571 | ||
572 | #ifdef HAVE_ICONV | |
573 | #define SDL_iconv_t iconv_t | |
574 | #define SDL_iconv_open iconv_open | |
575 | #define SDL_iconv_close iconv_close | |
576 | #else | |
577 | typedef struct _SDL_iconv_t *SDL_iconv_t; | |
578 | extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode); | |
579 | extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); | |
580 | #endif | |
581 | extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); | |
582 | /* This function converts a string between encodings in one pass, returning a | |
583 | string that must be freed with SDL_free() or NULL on error. | |
584 | */ | |
585 | extern DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft); | |
586 | #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1) | |
587 | #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1) | |
588 | #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1) | |
589 | ||
590 | /* Ends C function definitions when using C++ */ | |
591 | #ifdef __cplusplus | |
592 | } | |
593 | #endif | |
594 | #include "close_code.h" | |
595 | ||
596 | #endif /* _SDL_stdinc_h */ |