1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 30 * $FreeBSD$ 31 */ 32 33 #ifndef _STDLIB_H_ 34 #define _STDLIB_H_ 35 36 #include <sys/cdefs.h> 37 #include <sys/_null.h> 38 #include <sys/_types.h> 39 40 #if __BSD_VISIBLE 41 #ifndef _RUNE_T_DECLARED 42 typedef __rune_t rune_t; 43 #define _RUNE_T_DECLARED 44 #endif 45 #endif 46 47 #ifndef _SIZE_T_DECLARED 48 typedef __size_t size_t; 49 #define _SIZE_T_DECLARED 50 #endif 51 52 #ifndef __cplusplus 53 #ifndef _WCHAR_T_DECLARED 54 typedef ___wchar_t wchar_t; 55 #define _WCHAR_T_DECLARED 56 #endif 57 #endif 58 59 typedef struct { 60 int quot; /* quotient */ 61 int rem; /* remainder */ 62 } div_t; 63 64 typedef struct { 65 long quot; 66 long rem; 67 } ldiv_t; 68 69 #define EXIT_FAILURE 1 70 #define EXIT_SUCCESS 0 71 72 #define RAND_MAX 0x7ffffffd 73 74 __BEGIN_DECLS 75 #ifdef _XLOCALE_H_ 76 #include <xlocale/_stdlib.h> 77 #endif 78 extern int __mb_cur_max; 79 extern int ___mb_cur_max(void); 80 #define MB_CUR_MAX (___mb_cur_max()) 81 82 _Noreturn void abort(void); 83 int abs(int) __pure2; 84 int atexit(void (*)(void)); 85 double atof(const char *); 86 int atoi(const char *); 87 long atol(const char *); 88 void *bsearch(const void *, const void *, size_t, 89 size_t, int (*)(const void *, const void *)); 90 void *calloc(size_t, size_t) __malloc_like; 91 div_t div(int, int) __pure2; 92 _Noreturn void exit(int); 93 void free(void *); 94 char *getenv(const char *); 95 long labs(long) __pure2; 96 ldiv_t ldiv(long, long) __pure2; 97 void *malloc(size_t) __malloc_like; 98 int mblen(const char *, size_t); 99 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 100 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 101 void qsort(void *, size_t, size_t, 102 int (*)(const void *, const void *)); 103 int rand(void); 104 void *realloc(void *, size_t); 105 void srand(unsigned); 106 double strtod(const char * __restrict, char ** __restrict); 107 float strtof(const char * __restrict, char ** __restrict); 108 long strtol(const char * __restrict, char ** __restrict, int); 109 long double 110 strtold(const char * __restrict, char ** __restrict); 111 unsigned long 112 strtoul(const char * __restrict, char ** __restrict, int); 113 int system(const char *); 114 int wctomb(char *, wchar_t); 115 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 116 117 /* 118 * Functions added in C99 which we make conditionally available in the 119 * BSD^C89 namespace if the compiler supports `long long'. 120 * The #if test is more complicated than it ought to be because 121 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 122 * is not supported in the compilation environment (which therefore means 123 * that it can't really be ISO C99). 124 * 125 * (The only other extension made by C99 in thie header is _Exit().) 126 */ 127 #if __ISO_C_VISIBLE >= 1999 128 #ifdef __LONG_LONG_SUPPORTED 129 /* LONGLONG */ 130 typedef struct { 131 long long quot; 132 long long rem; 133 } lldiv_t; 134 135 /* LONGLONG */ 136 long long 137 atoll(const char *); 138 /* LONGLONG */ 139 long long 140 llabs(long long) __pure2; 141 /* LONGLONG */ 142 lldiv_t lldiv(long long, long long) __pure2; 143 /* LONGLONG */ 144 long long 145 strtoll(const char * __restrict, char ** __restrict, int); 146 /* LONGLONG */ 147 unsigned long long 148 strtoull(const char * __restrict, char ** __restrict, int); 149 #endif /* __LONG_LONG_SUPPORTED */ 150 151 _Noreturn void _Exit(int); 152 #endif /* __ISO_C_VISIBLE >= 1999 */ 153 154 /* 155 * If we're in a mode greater than C99, expose C11 functions. 156 */ 157 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 158 void * aligned_alloc(size_t, size_t) __malloc_like; 159 int at_quick_exit(void (*)(void)); 160 _Noreturn void 161 quick_exit(int); 162 #endif /* __ISO_C_VISIBLE >= 2011 */ 163 /* 164 * Extensions made by POSIX relative to C. 165 */ 166 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 167 char *realpath(const char * __restrict, char * __restrict); 168 #endif 169 #if __POSIX_VISIBLE >= 199506 170 int rand_r(unsigned *); /* (TSF) */ 171 #endif 172 #if __POSIX_VISIBLE >= 200112 173 int posix_memalign(void **, size_t, size_t); /* (ADV) */ 174 int setenv(const char *, const char *, int); 175 int unsetenv(const char *); 176 #endif 177 178 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 179 int getsubopt(char **, char *const *, char **); 180 #ifndef _MKDTEMP_DECLARED 181 char *mkdtemp(char *); 182 #define _MKDTEMP_DECLARED 183 #endif 184 #ifndef _MKSTEMP_DECLARED 185 int mkstemp(char *); 186 #define _MKSTEMP_DECLARED 187 #endif 188 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 189 190 /* 191 * The only changes to the XSI namespace in revision 6 were the deletion 192 * of the ttyslot() and valloc() functions, which FreeBSD never declared 193 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 194 * FreeBSD also does not have, and mktemp(), are to be deleted. 195 */ 196 #if __XSI_VISIBLE 197 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 198 long a64l(const char *); 199 double drand48(void); 200 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 201 double erand48(unsigned short[3]); 202 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 203 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 204 int grantpt(int); 205 char *initstate(unsigned long /* XSI requires u_int */, char *, long); 206 long jrand48(unsigned short[3]); 207 char *l64a(long); 208 void lcong48(unsigned short[7]); 209 long lrand48(void); 210 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 211 char *mktemp(char *); 212 #define _MKTEMP_DECLARED 213 #endif 214 long mrand48(void); 215 long nrand48(unsigned short[3]); 216 int posix_openpt(int); 217 char *ptsname(int); 218 int putenv(char *); 219 long random(void); 220 unsigned short 221 *seed48(unsigned short[3]); 222 #ifndef _SETKEY_DECLARED 223 int setkey(const char *); 224 #define _SETKEY_DECLARED 225 #endif 226 char *setstate(/* const */ char *); 227 void srand48(long); 228 void srandom(unsigned long); 229 int unlockpt(int); 230 #endif /* __XSI_VISIBLE */ 231 232 #if __BSD_VISIBLE 233 extern const char *malloc_conf; 234 extern void (*malloc_message)(void *, const char *); 235 236 /* 237 * The alloca() function can't be implemented in C, and on some 238 * platforms it can't be implemented at all as a callable function. 239 * The GNU C compiler provides a built-in alloca() which we can use; 240 * in all other cases, provide a prototype, mainly to pacify various 241 * incarnations of lint. On platforms where alloca() is not in libc, 242 * programs which use it will fail to link when compiled with non-GNU 243 * compilers. 244 */ 245 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 246 #undef alloca /* some GNU bits try to get cute and define this on their own */ 247 #define alloca(sz) __builtin_alloca(sz) 248 #elif defined(lint) 249 void *alloca(size_t); 250 #endif 251 252 void abort2(const char *, int, void **) __dead2; 253 __uint32_t 254 arc4random(void); 255 void arc4random_addrandom(unsigned char *, int); 256 void arc4random_buf(void *, size_t); 257 void arc4random_stir(void); 258 __uint32_t 259 arc4random_uniform(__uint32_t); 260 #ifdef __BLOCKS__ 261 int atexit_b(void (^)(void)); 262 void *bsearch_b(const void *, const void *, size_t, 263 size_t, int (^)(const void *, const void *)); 264 #endif 265 char *getbsize(int *, long *); 266 /* getcap(3) functions */ 267 char *cgetcap(char *, const char *, int); 268 int cgetclose(void); 269 int cgetent(char **, char **, const char *); 270 int cgetfirst(char **, char **); 271 int cgetmatch(const char *, const char *); 272 int cgetnext(char **, char **); 273 int cgetnum(char *, const char *, long *); 274 int cgetset(const char *); 275 int cgetstr(char *, const char *, char **); 276 int cgetustr(char *, const char *, char **); 277 278 int daemon(int, int); 279 char *devname(__dev_t, __mode_t); 280 char *devname_r(__dev_t, __mode_t, char *, int); 281 char *fdevname(int); 282 char *fdevname_r(int, char *, int); 283 int getloadavg(double [], int); 284 const char * 285 getprogname(void); 286 287 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 288 #ifdef __BLOCKS__ 289 int heapsort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 290 void qsort_b(void *, size_t, size_t, 291 int (^)(const void *, const void *)); 292 #endif 293 int l64a_r(long, char *, int); 294 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 295 #ifdef __BLOCKS__ 296 int mergesort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 297 #endif 298 int mkostemp(char *, int); 299 int mkostemps(char *, int, int); 300 void qsort_r(void *, size_t, size_t, void *, 301 int (*)(void *, const void *, const void *)); 302 int radixsort(const unsigned char **, int, const unsigned char *, 303 unsigned); 304 void *reallocf(void *, size_t); 305 int rpmatch(const char *); 306 void setprogname(const char *); 307 int sradixsort(const unsigned char **, int, const unsigned char *, 308 unsigned); 309 void sranddev(void); 310 void srandomdev(void); 311 long long 312 strtonum(const char *, long long, long long, const char **); 313 314 /* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 315 __int64_t 316 strtoq(const char *, char **, int); 317 __uint64_t 318 strtouq(const char *, char **, int); 319 320 extern char *suboptarg; /* getsubopt(3) external variable */ 321 #endif /* __BSD_VISIBLE */ 322 __END_DECLS 323 324 #endif /* !_STDLIB_H_ */ 325