SDL  2.0
SDL_stdinc.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 
22 /**
23  * \file SDL_stdinc.h
24  *
25  * This is a general header that includes C language support.
26  */
27 
28 #ifndef SDL_stdinc_h_
29 #define SDL_stdinc_h_
30 
31 #include "SDL_config.h"
32 
33 #ifdef HAVE_SYS_TYPES_H
34 #include <sys/types.h>
35 #endif
36 #ifdef HAVE_STDIO_H
37 #include <stdio.h>
38 #endif
39 #if defined(STDC_HEADERS)
40 # include <stdlib.h>
41 # include <stddef.h>
42 # include <stdarg.h>
43 #else
44 # if defined(HAVE_STDLIB_H)
45 # include <stdlib.h>
46 # elif defined(HAVE_MALLOC_H)
47 # include <malloc.h>
48 # endif
49 # if defined(HAVE_STDDEF_H)
50 # include <stddef.h>
51 # endif
52 # if defined(HAVE_STDARG_H)
53 # include <stdarg.h>
54 # endif
55 #endif
56 #ifdef HAVE_STRING_H
57 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
58 # include <memory.h>
59 # endif
60 # include <string.h>
61 #endif
62 #ifdef HAVE_STRINGS_H
63 # include <strings.h>
64 #endif
65 #ifdef HAVE_WCHAR_H
66 # include <wchar.h>
67 #endif
68 #if defined(HAVE_INTTYPES_H)
69 # include <inttypes.h>
70 #elif defined(HAVE_STDINT_H)
71 # include <stdint.h>
72 #endif
73 #ifdef HAVE_CTYPE_H
74 # include <ctype.h>
75 #endif
76 #ifdef HAVE_MATH_H
77 # if defined(__WINRT__)
78 /* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
79  WinRT. See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
80  for more information.
81 */
82 # define _USE_MATH_DEFINES
83 # endif
84 # include <math.h>
85 #endif
86 #ifdef HAVE_FLOAT_H
87 # include <float.h>
88 #endif
89 
90 /**
91  * The number of elements in an array.
92  */
93 #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
94 #define SDL_TABLESIZE(table) SDL_arraysize(table)
95 
96 /**
97  * Macro useful for building other macros with strings in them
98  *
99  * e.g. #define LOG_ERROR(X) OutputDebugString(SDL_STRINGIFY_ARG(__FUNCTION__) ": " X "\n")
100  */
101 #define SDL_STRINGIFY_ARG(arg) #arg
102 
103 /**
104  * \name Cast operators
105  *
106  * Use proper C++ casts when compiled as C++ to be compatible with the option
107  * -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above).
108  */
109 /* @{ */
110 #ifdef __cplusplus
111 #define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
112 #define SDL_static_cast(type, expression) static_cast<type>(expression)
113 #define SDL_const_cast(type, expression) const_cast<type>(expression)
114 #else
115 #define SDL_reinterpret_cast(type, expression) ((type)(expression))
116 #define SDL_static_cast(type, expression) ((type)(expression))
117 #define SDL_const_cast(type, expression) ((type)(expression))
118 #endif
119 /* @} *//* Cast operators */
120 
121 /* Define a four character code as a Uint32 */
122 #define SDL_FOURCC(A, B, C, D) \
123  ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
124  (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
125  (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
126  (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
127 
128 /**
129  * \name Basic data types
130  */
131 /* @{ */
132 
133 #ifdef __CC_ARM
134 /* ARM's compiler throws warnings if we use an enum: like "SDL_bool x = a < b;" */
135 #define SDL_FALSE 0
136 #define SDL_TRUE 1
137 typedef int SDL_bool;
138 #else
139 typedef enum
140 {
143 } SDL_bool;
144 #endif
145 
146 /**
147  * \brief A signed 8-bit integer type.
148  */
149 #define SDL_MAX_SINT8 ((Sint8)0x7F) /* 127 */
150 #define SDL_MIN_SINT8 ((Sint8)(~0x7F)) /* -128 */
151 typedef int8_t Sint8;
152 /**
153  * \brief An unsigned 8-bit integer type.
154  */
155 #define SDL_MAX_UINT8 ((Uint8)0xFF) /* 255 */
156 #define SDL_MIN_UINT8 ((Uint8)0x00) /* 0 */
157 typedef uint8_t Uint8;
158 /**
159  * \brief A signed 16-bit integer type.
160  */
161 #define SDL_MAX_SINT16 ((Sint16)0x7FFF) /* 32767 */
162 #define SDL_MIN_SINT16 ((Sint16)(~0x7FFF)) /* -32768 */
163 typedef int16_t Sint16;
164 /**
165  * \brief An unsigned 16-bit integer type.
166  */
167 #define SDL_MAX_UINT16 ((Uint16)0xFFFF) /* 65535 */
168 #define SDL_MIN_UINT16 ((Uint16)0x0000) /* 0 */
169 typedef uint16_t Uint16;
170 /**
171  * \brief A signed 32-bit integer type.
172  */
173 #define SDL_MAX_SINT32 ((Sint32)0x7FFFFFFF) /* 2147483647 */
174 #define SDL_MIN_SINT32 ((Sint32)(~0x7FFFFFFF)) /* -2147483648 */
175 typedef int32_t Sint32;
176 /**
177  * \brief An unsigned 32-bit integer type.
178  */
179 #define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu) /* 4294967295 */
180 #define SDL_MIN_UINT32 ((Uint32)0x00000000) /* 0 */
181 typedef uint32_t Uint32;
182 
183 /**
184  * \brief A signed 64-bit integer type.
185  */
186 #define SDL_MAX_SINT64 ((Sint64)0x7FFFFFFFFFFFFFFFll) /* 9223372036854775807 */
187 #define SDL_MIN_SINT64 ((Sint64)(~0x7FFFFFFFFFFFFFFFll)) /* -9223372036854775808 */
188 typedef int64_t Sint64;
189 /**
190  * \brief An unsigned 64-bit integer type.
191  */
192 #define SDL_MAX_UINT64 ((Uint64)0xFFFFFFFFFFFFFFFFull) /* 18446744073709551615 */
193 #define SDL_MIN_UINT64 ((Uint64)(0x0000000000000000ull)) /* 0 */
194 typedef uint64_t Uint64;
195 
196 /* @} *//* Basic data types */
197 
198 /* Make sure we have macros for printing 64 bit values.
199  * <stdint.h> should define these but this is not true all platforms.
200  * (for example win32) */
201 #ifndef SDL_PRIs64
202 #ifdef PRIs64
203 #define SDL_PRIs64 PRIs64
204 #elif defined(__WIN32__)
205 #define SDL_PRIs64 "I64d"
206 #elif defined(__LINUX__) && defined(__LP64__)
207 #define SDL_PRIs64 "ld"
208 #else
209 #define SDL_PRIs64 "lld"
210 #endif
211 #endif
212 #ifndef SDL_PRIu64
213 #ifdef PRIu64
214 #define SDL_PRIu64 PRIu64
215 #elif defined(__WIN32__)
216 #define SDL_PRIu64 "I64u"
217 #elif defined(__LINUX__) && defined(__LP64__)
218 #define SDL_PRIu64 "lu"
219 #else
220 #define SDL_PRIu64 "llu"
221 #endif
222 #endif
223 #ifndef SDL_PRIx64
224 #ifdef PRIx64
225 #define SDL_PRIx64 PRIx64
226 #elif defined(__WIN32__)
227 #define SDL_PRIx64 "I64x"
228 #elif defined(__LINUX__) && defined(__LP64__)
229 #define SDL_PRIx64 "lx"
230 #else
231 #define SDL_PRIx64 "llx"
232 #endif
233 #endif
234 #ifndef SDL_PRIX64
235 #ifdef PRIX64
236 #define SDL_PRIX64 PRIX64
237 #elif defined(__WIN32__)
238 #define SDL_PRIX64 "I64X"
239 #elif defined(__LINUX__) && defined(__LP64__)
240 #define SDL_PRIX64 "lX"
241 #else
242 #define SDL_PRIX64 "llX"
243 #endif
244 #endif
245 
246 /* Annotations to help code analysis tools */
247 #ifdef SDL_DISABLE_ANALYZE_MACROS
248 #define SDL_IN_BYTECAP(x)
249 #define SDL_INOUT_Z_CAP(x)
250 #define SDL_OUT_Z_CAP(x)
251 #define SDL_OUT_CAP(x)
252 #define SDL_OUT_BYTECAP(x)
253 #define SDL_OUT_Z_BYTECAP(x)
254 #define SDL_PRINTF_FORMAT_STRING
255 #define SDL_SCANF_FORMAT_STRING
256 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
257 #define SDL_SCANF_VARARG_FUNC( fmtargnumber )
258 #else
259 #if defined(_MSC_VER) && (_MSC_VER >= 1600) /* VS 2010 and above */
260 #include <sal.h>
261 
262 #define SDL_IN_BYTECAP(x) _In_bytecount_(x)
263 #define SDL_INOUT_Z_CAP(x) _Inout_z_cap_(x)
264 #define SDL_OUT_Z_CAP(x) _Out_z_cap_(x)
265 #define SDL_OUT_CAP(x) _Out_cap_(x)
266 #define SDL_OUT_BYTECAP(x) _Out_bytecap_(x)
267 #define SDL_OUT_Z_BYTECAP(x) _Out_z_bytecap_(x)
268 
269 #define SDL_PRINTF_FORMAT_STRING _Printf_format_string_
270 #define SDL_SCANF_FORMAT_STRING _Scanf_format_string_impl_
271 #else
272 #define SDL_IN_BYTECAP(x)
273 #define SDL_INOUT_Z_CAP(x)
274 #define SDL_OUT_Z_CAP(x)
275 #define SDL_OUT_CAP(x)
276 #define SDL_OUT_BYTECAP(x)
277 #define SDL_OUT_Z_BYTECAP(x)
278 #define SDL_PRINTF_FORMAT_STRING
279 #define SDL_SCANF_FORMAT_STRING
280 #endif
281 #if defined(__GNUC__)
282 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __printf__, fmtargnumber, fmtargnumber+1 )))
283 #define SDL_SCANF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __scanf__, fmtargnumber, fmtargnumber+1 )))
284 #else
285 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
286 #define SDL_SCANF_VARARG_FUNC( fmtargnumber )
287 #endif
288 #endif /* SDL_DISABLE_ANALYZE_MACROS */
289 
290 #define SDL_COMPILE_TIME_ASSERT(name, x) \
291  typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1]
292 /** \cond */
293 #ifndef DOXYGEN_SHOULD_IGNORE_THIS
294 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
295 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
296 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
297 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
298 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
299 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
300 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
301 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
302 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */
303 /** \endcond */
304 
305 /* Check to make sure enums are the size of ints, for structure packing.
306  For both Watcom C/C++ and Borland C/C++ the compiler option that makes
307  enums having the size of an int must be enabled.
308  This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
309 */
310 
311 /** \cond */
312 #ifndef DOXYGEN_SHOULD_IGNORE_THIS
313 #if !defined(__ANDROID__)
314  /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */
315 typedef enum
316 {
317  DUMMY_ENUM_VALUE
318 } SDL_DUMMY_ENUM;
319 
320 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
321 #endif
322 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */
323 /** \endcond */
324 
325 #include "begin_code.h"
326 /* Set up for C function definitions, even when using C++ */
327 #ifdef __cplusplus
328 extern "C" {
329 #endif
330 
331 #if defined(HAVE_ALLOCA) && !defined(alloca)
332 # if defined(HAVE_ALLOCA_H)
333 # include <alloca.h>
334 # elif defined(__GNUC__)
335 # define alloca __builtin_alloca
336 # elif defined(_MSC_VER)
337 # include <malloc.h>
338 # define alloca _alloca
339 # elif defined(__WATCOMC__)
340 # include <malloc.h>
341 # elif defined(__BORLANDC__)
342 # include <malloc.h>
343 # elif defined(__DMC__)
344 # include <stdlib.h>
345 # elif defined(__AIX__)
346 #pragma alloca
347 # elif defined(__MRC__)
348 void *alloca(unsigned);
349 # else
350 char *alloca();
351 # endif
352 #endif
353 #ifdef HAVE_ALLOCA
354 #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
355 #define SDL_stack_free(data)
356 #else
357 #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
358 #define SDL_stack_free(data) SDL_free(data)
359 #endif
360 
361 extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
362 extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
363 extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);
364 extern DECLSPEC void SDLCALL SDL_free(void *mem);
365 
366 extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
367 extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, int overwrite);
368 
369 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, int (*compare) (const void *, const void *));
370 
371 extern DECLSPEC int SDLCALL SDL_abs(int x);
372 
373 /* !!! FIXME: these have side effects. You probably shouldn't use them. */
374 /* !!! FIXME: Maybe we do forceinline functions of SDL_mini, SDL_minf, etc? */
375 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
376 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
377 
378 extern DECLSPEC int SDLCALL SDL_isdigit(int x);
379 extern DECLSPEC int SDLCALL SDL_isspace(int x);
380 extern DECLSPEC int SDLCALL SDL_toupper(int x);
381 extern DECLSPEC int SDLCALL SDL_tolower(int x);
382 
383 extern DECLSPEC void *SDLCALL SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len);
384 
385 #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
386 #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
387 
388 /* Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */
389 SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
390 {
391 #if defined(__GNUC__) && defined(i386)
392  int u0, u1, u2;
393  __asm__ __volatile__ (
394  "cld \n\t"
395  "rep ; stosl \n\t"
396  : "=&D" (u0), "=&a" (u1), "=&c" (u2)
397  : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, dwords))
398  : "memory"
399  );
400 #else
401  size_t _n = (dwords + 3) / 4;
402  Uint32 *_p = SDL_static_cast(Uint32 *, dst);
403  Uint32 _val = (val);
404  if (dwords == 0)
405  return;
406  switch (dwords % 4)
407  {
408  case 0: do { *_p++ = _val; /* fallthrough */
409  case 3: *_p++ = _val; /* fallthrough */
410  case 2: *_p++ = _val; /* fallthrough */
411  case 1: *_p++ = _val; /* fallthrough */
412  } while ( --_n );
413  }
414 #endif
415 }
416 
417 
418 extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
419 
420 extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
421 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
422 
423 extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
424 extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
425 extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
426 extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
427 
428 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str);
429 extern DECLSPEC size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
430 extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes);
431 extern DECLSPEC size_t SDLCALL SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
432 extern DECLSPEC char *SDLCALL SDL_strdup(const char *str);
433 extern DECLSPEC char *SDLCALL SDL_strrev(char *str);
434 extern DECLSPEC char *SDLCALL SDL_strupr(char *str);
435 extern DECLSPEC char *SDLCALL SDL_strlwr(char *str);
436 extern DECLSPEC char *SDLCALL SDL_strchr(const char *str, int c);
437 extern DECLSPEC char *SDLCALL SDL_strrchr(const char *str, int c);
438 extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle);
439 extern DECLSPEC size_t SDLCALL SDL_utf8strlen(const char *str);
440 
441 extern DECLSPEC char *SDLCALL SDL_itoa(int value, char *str, int radix);
442 extern DECLSPEC char *SDLCALL SDL_uitoa(unsigned int value, char *str, int radix);
443 extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *str, int radix);
444 extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *str, int radix);
445 extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *str, int radix);
446 extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *str, int radix);
447 
448 extern DECLSPEC int SDLCALL SDL_atoi(const char *str);
449 extern DECLSPEC double SDLCALL SDL_atof(const char *str);
450 extern DECLSPEC long SDLCALL SDL_strtol(const char *str, char **endp, int base);
451 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *str, char **endp, int base);
452 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *str, char **endp, int base);
453 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *str, char **endp, int base);
454 extern DECLSPEC double SDLCALL SDL_strtod(const char *str, char **endp);
455 
456 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
457 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
458 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
459 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t len);
460 
461 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, ...) SDL_SCANF_VARARG_FUNC(2);
462 extern DECLSPEC int SDLCALL SDL_vsscanf(const char *text, const char *fmt, va_list ap);
463 extern DECLSPEC int SDLCALL SDL_snprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt, ... ) SDL_PRINTF_VARARG_FUNC(3);
464 extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap);
465 
466 #ifndef HAVE_M_PI
467 #ifndef M_PI
468 #define M_PI 3.14159265358979323846264338327950288 /**< pi */
469 #endif
470 #endif
471 
472 extern DECLSPEC double SDLCALL SDL_acos(double x);
473 extern DECLSPEC double SDLCALL SDL_asin(double x);
474 extern DECLSPEC double SDLCALL SDL_atan(double x);
475 extern DECLSPEC double SDLCALL SDL_atan2(double x, double y);
476 extern DECLSPEC double SDLCALL SDL_ceil(double x);
477 extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
478 extern DECLSPEC double SDLCALL SDL_cos(double x);
479 extern DECLSPEC float SDLCALL SDL_cosf(float x);
480 extern DECLSPEC double SDLCALL SDL_fabs(double x);
481 extern DECLSPEC double SDLCALL SDL_floor(double x);
482 extern DECLSPEC double SDLCALL SDL_log(double x);
483 extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
484 extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
485 extern DECLSPEC double SDLCALL SDL_sin(double x);
486 extern DECLSPEC float SDLCALL SDL_sinf(float x);
487 extern DECLSPEC double SDLCALL SDL_sqrt(double x);
488 extern DECLSPEC float SDLCALL SDL_sqrtf(float x);
489 extern DECLSPEC double SDLCALL SDL_tan(double x);
490 extern DECLSPEC float SDLCALL SDL_tanf(float x);
491 
492 /* The SDL implementation of iconv() returns these error codes */
493 #define SDL_ICONV_ERROR (size_t)-1
494 #define SDL_ICONV_E2BIG (size_t)-2
495 #define SDL_ICONV_EILSEQ (size_t)-3
496 #define SDL_ICONV_EINVAL (size_t)-4
497 
498 /* SDL_iconv_* are now always real symbols/types, not macros or inlined. */
499 typedef struct _SDL_iconv_t *SDL_iconv_t;
500 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
501  const char *fromcode);
502 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
503 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
504  size_t * inbytesleft, char **outbuf,
505  size_t * outbytesleft);
506 /**
507  * This function converts a string between encodings in one pass, returning a
508  * string that must be freed with SDL_free() or NULL on error.
509  */
510 extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
511  const char *fromcode,
512  const char *inbuf,
513  size_t inbytesleft);
514 #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
515 #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
516 #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
517 
518 /* force builds using Clang's static analysis tools to use literal C runtime
519  here, since there are possibly tests that are ineffective otherwise. */
520 #if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
521 #define SDL_malloc malloc
522 #define SDL_calloc calloc
523 #define SDL_realloc realloc
524 #define SDL_free free
525 #define SDL_memset memset
526 #define SDL_memcpy memcpy
527 #define SDL_memmove memmove
528 #define SDL_memcmp memcmp
529 #define SDL_strlen strlen
530 #define SDL_strlcpy strlcpy
531 #define SDL_strlcat strlcat
532 #define SDL_strdup strdup
533 #define SDL_strchr strchr
534 #define SDL_strrchr strrchr
535 #define SDL_strstr strstr
536 #define SDL_strcmp strcmp
537 #define SDL_strncmp strncmp
538 #define SDL_strcasecmp strcasecmp
539 #define SDL_strncasecmp strncasecmp
540 #define SDL_sscanf sscanf
541 #define SDL_vsscanf vsscanf
542 #define SDL_snprintf snprintf
543 #define SDL_vsnprintf vsnprintf
544 #endif
545 
546 SDL_FORCE_INLINE void *SDL_memcpy4(SDL_OUT_BYTECAP(dwords*4) void *dst, SDL_IN_BYTECAP(dwords*4) const void *src, size_t dwords)
547 {
548  return SDL_memcpy(dst, src, dwords * 4);
549 }
550 
551 /* Ends C function definitions when using C++ */
552 #ifdef __cplusplus
553 }
554 #endif
555 #include "close_code.h"
556 
557 #endif /* SDL_stdinc_h_ */
558 
559 /* vi: set ts=4 sw=4 expandtab: */
void * SDL_realloc(void *mem, size_t size)
size_t SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
Definition: SDL_string.c:547
char * SDL_getenv(const char *name)
Definition: SDL_getenv.c:210
size_t SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
Definition: SDL_string.c:481
double SDL_copysign(double x, double y)
Definition: SDL_stdlib.c:106
int SDL_tolower(int x)
Definition: SDL_stdlib.c:277
int SDL_memcmp(const void *s1, const void *s2, size_t len)
Definition: SDL_string.c:387
#define SDL_OUT_Z_CAP(x)
Definition: SDL_stdinc.h:274
int SDL_strncmp(const char *str1, const char *str2, size_t maxlen)
Definition: SDL_string.c:949
#define SDL_IN_BYTECAP(x)
Definition: SDL_stdinc.h:272
double SDL_pow(double x, double y)
Definition: SDL_stdlib.c:174
GLenum GLenum dst
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
signed int int32_t
unsigned short uint16_t
void * SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len)
Definition: SDL_string.c:266
int SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap)
Definition: SDL_string.c:1528
float SDL_cosf(float x)
Definition: SDL_stdlib.c:134
int SDL_abs(int x)
Definition: SDL_stdlib.c:259
void * SDL_malloc(size_t size)
size_t SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen)
Definition: SDL_string.c:450
void * SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
Definition: SDL_string.c:310
double SDL_scalbn(double x, int n)
Definition: SDL_stdlib.c:184
unsigned long long uint64_t
float SDL_sinf(float x)
Definition: SDL_stdlib.c:210
double SDL_floor(double x)
Definition: SDL_stdlib.c:154
int SDL_setenv(const char *name, const char *value, int overwrite)
Definition: SDL_getenv.c:106
char * SDL_ltoa(long value, char *str, int radix)
Definition: SDL_string.c:710
SDL_iconv_t SDL_iconv_open(const char *tocode, const char *fromcode)
Definition: SDL_iconv.c:208
double SDL_acos(double x)
Definition: SDL_stdlib.c:55
GLfixed u1
size_t SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen)
Definition: SDL_string.c:434
int SDL_strcmp(const char *str1, const char *str2)
Definition: SDL_string.c:933
double SDL_log(double x)
Definition: SDL_stdlib.c:164
double SDL_sqrt(double x)
Definition: SDL_stdlib.c:220
uint32_t Uint32
Definition: SDL_stdinc.h:181
signed short int16_t
GLenum src
char * SDL_itoa(int value, char *str, int radix)
Definition: SDL_string.c:690
#define SDL_SCANF_FORMAT_STRING
Definition: SDL_stdinc.h:279
#define SDL_FORCE_INLINE
Definition: begin_code.h:144
char * SDL_lltoa(Sint64 value, char *str, int radix)
Definition: SDL_string.c:754
uint64_t Uint64
Definition: SDL_stdinc.h:194
int SDL_vsscanf(const char *text, const char *fmt, va_list ap)
Definition: SDL_string.c:1040
#define SDL_OUT_BYTECAP(x)
Definition: SDL_stdinc.h:276
GLenum GLsizei len
GLuint const GLchar * name
char * SDL_ultoa(unsigned long value, char *str, int radix)
Definition: SDL_string.c:729
float SDL_tanf(float x)
Definition: SDL_stdlib.c:250
double SDL_ceil(double x)
Definition: SDL_stdlib.c:91
int SDL_atoi(const char *str)
Definition: SDL_string.c:797
void SDL_qsort(void *base, size_t nmemb, size_t size, int(*compare)(const void *, const void *))
int SDL_strncasecmp(const char *str1, const char *str2, size_t len)
Definition: SDL_string.c:993
GLfixed GLfixed u2
int SDL_isdigit(int x)
Definition: SDL_stdlib.c:274
double SDL_atan(double x)
Definition: SDL_stdlib.c:35
double SDL_strtod(const char *str, char **endp)
Definition: SDL_string.c:916
double SDL_atof(const char *str)
Definition: SDL_string.c:806
size_t SDL_utf8strlen(const char *str)
Definition: SDL_string.c:530
#define DECLSPEC
Definition: SDL_internal.h:44
int SDL_snprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt,...) SDL_PRINTF_VARARG_FUNC(3)
Definition: SDL_string.c:1314
void * SDL_calloc(size_t nmemb, size_t size)
char * SDL_strrchr(const char *str, int c)
Definition: SDL_string.c:644
GLuint GLfloat * val
int SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt,...) SDL_SCANF_VARARG_FUNC(2)
Definition: SDL_string.c:1022
int SDL_toupper(int x)
Definition: SDL_stdlib.c:276
int8_t Sint8
Definition: SDL_stdinc.h:151
SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
Definition: SDL_stdinc.h:389
double SDL_fabs(double x)
Definition: SDL_stdlib.c:144
int SDL_iconv_close(SDL_iconv_t cd)
Definition: SDL_iconv.c:854
uint8_t Uint8
Definition: SDL_stdinc.h:157
void SDL_free(void *mem)
#define SDL_INOUT_Z_CAP(x)
Definition: SDL_stdinc.h:273
#define SDL_static_cast(type, expression)
Definition: SDL_stdinc.h:116
const GLubyte * c
GLsizei const GLfloat * value
int SDL_strcasecmp(const char *str1, const char *str2)
Definition: SDL_string.c:969
char * SDL_uitoa(unsigned int value, char *str, int radix)
Definition: SDL_string.c:700
char * SDL_strstr(const char *haystack, const char *needle)
Definition: SDL_string.c:663
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
GLuint GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat s1
int32_t Sint32
Definition: SDL_stdinc.h:175
char * SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft)
Definition: SDL_iconv.c:865
double SDL_sin(double x)
Definition: SDL_stdlib.c:200
GLsizeiptr size
double SDL_asin(double x)
Definition: SDL_stdlib.c:75
int SDL_wcscmp(const wchar_t *str1, const wchar_t *str2)
Definition: SDL_string.c:465
char * SDL_ulltoa(Uint64 value, char *str, int radix)
Definition: SDL_string.c:773
SDL_bool
Definition: SDL_stdinc.h:139
char * SDL_strlwr(char *str)
Definition: SDL_string.c:611
unsigned char uint8_t
unsigned int uint32_t
Sint64 SDL_strtoll(const char *str, char **endp, int base)
Definition: SDL_string.c:866
signed char int8_t
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:47
size_t SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
Definition: SDL_iconv.c:248
unsigned long SDL_strtoul(const char *str, char **endp, int base)
Definition: SDL_string.c:841
size_t SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes)
Definition: SDL_string.c:497
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
Definition: SDL_stdinc.h:286
GLdouble n
size_t SDL_strlen(const char *str)
Definition: SDL_string.c:406
float SDL_sqrtf(float x)
Definition: SDL_stdlib.c:230
uint16_t Uint16
Definition: SDL_stdinc.h:169
void * SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
Definition: SDL_string.c:363
char * SDL_strdup(const char *str)
Definition: SDL_string.c:562
Uint64 SDL_strtoull(const char *str, char **endp, int base)
Definition: SDL_string.c:891
char * SDL_strupr(char *str)
Definition: SDL_string.c:596
size_t SDL_wcslen(const wchar_t *wstr)
Definition: SDL_string.c:420
int64_t Sint64
Definition: SDL_stdinc.h:188
SDL_FORCE_INLINE void * SDL_memcpy4(SDL_OUT_BYTECAP(dwords *4) void *dst, SDL_IN_BYTECAP(dwords *4) const void *src, size_t dwords)
Definition: SDL_stdinc.h:546
long SDL_strtol(const char *str, char **endp, int base)
Definition: SDL_string.c:816
#define SDL_PRINTF_FORMAT_STRING
Definition: SDL_stdinc.h:278
char * SDL_strchr(const char *str, int c)
Definition: SDL_string.c:626
double SDL_tan(double x)
Definition: SDL_stdlib.c:240
#define SDLCALL
Definition: SDL_internal.h:45
double SDL_atan2(double x, double y)
Definition: SDL_stdlib.c:45
char * SDL_strrev(char *str)
Definition: SDL_string.c:577
double SDL_cos(double x)
Definition: SDL_stdlib.c:124
int16_t Sint16
Definition: SDL_stdinc.h:163
signed long long int64_t
#define SDL_COMPILE_TIME_ASSERT(name, x)
Definition: SDL_stdinc.h:290
#define SDL_PRINTF_VARARG_FUNC(fmtargnumber)
Definition: SDL_stdinc.h:285
int SDL_isspace(int x)
Definition: SDL_stdlib.c:275