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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 34 * $FreeBSD: src/include/stdlib.h,v 1.67 2008/07/22 11:40:42 ache Exp $ 35 */ 36 37 #ifndef _STDLIB_H_ 38 #define _STDLIB_H_ 39 40 #include <sys/cdefs.h> 41 #include <sys/_null.h> 42 #include <sys/types.h> 43 44 #ifndef _SIZE_T_DECLARED 45 typedef __size_t size_t; 46 #define _SIZE_T_DECLARED 47 #endif 48 49 #ifndef __cplusplus 50 #ifndef _WCHAR_T_DECLARED 51 typedef __wchar_t wchar_t; 52 #define _WCHAR_T_DECLARED 53 #endif 54 #endif 55 56 typedef struct { 57 int quot; /* quotient */ 58 int rem; /* remainder */ 59 } div_t; 60 61 typedef struct { 62 long quot; 63 long rem; 64 } ldiv_t; 65 66 #define EXIT_FAILURE 1 67 #define EXIT_SUCCESS 0 68 69 #define RAND_MAX 0x7fffffff 70 71 extern int __mb_cur_max; 72 #define MB_CUR_MAX __mb_cur_max 73 74 __BEGIN_DECLS 75 void abort(void) __dead2; 76 /* void abort2(const char *, int, void **) __dead2; */ 77 #if !defined(_KERNEL_VIRTUAL) 78 int abs(int) __pure2; 79 #endif 80 int atexit(void (*)(void)); 81 double atof(const char *); 82 int atoi(const char *); 83 long atol(const char *); 84 void *bsearch(const void *, const void *, size_t, 85 size_t, int (*)(const void *, const void *)); 86 void *calloc(size_t, size_t); 87 div_t div(int, int) __pure2; 88 void exit(int) __dead2; 89 void free(void *); 90 char *getenv(const char *); 91 #if !defined(_KERNEL_VIRTUAL) 92 long labs(long) __pure2; 93 #endif 94 ldiv_t ldiv(long, long) __pure2; 95 void *malloc(size_t); 96 int posix_memalign(void **, size_t, size_t); 97 int mblen(const char *, size_t); 98 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 99 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 100 void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 101 int rand(void); 102 void *realloc(void *, size_t); 103 void srand(unsigned); 104 double strtod(const char * __restrict, char ** __restrict); 105 float strtof(const char * __restrict, char ** __restrict); 106 #if !defined(_KERNEL_VIRTUAL) 107 long strtol(const char * __restrict, char ** __restrict, int); 108 #endif 109 long double 110 strtold(const char * __restrict, char ** __restrict); 111 #if !defined(_KERNEL_VIRTUAL) 112 unsigned long 113 strtoul(const char * __restrict, char ** __restrict, int); 114 #endif 115 int system(const char *); 116 int wctomb(char *, wchar_t); 117 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 118 119 /* 120 * Functions added in C99 which we make conditionally available in the 121 * BSD^C89 namespace if the compiler supports `long long'. 122 * The #if test is more complicated than it ought to be because 123 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 124 * is not supported in the compilation environment (which therefore means 125 * that it can't really be ISO C99). 126 * 127 * (The only other extension made by C99 in this header is _Exit().) 128 */ 129 #if __ISO_C_VISIBLE >= 1999 130 #ifdef __LONG_LONG_SUPPORTED 131 /* LONGLONG */ 132 typedef struct { 133 long long quot; 134 long long rem; 135 } lldiv_t; 136 137 /* LONGLONG */ 138 long long 139 atoll(const char *); 140 /* LONGLONG */ 141 long long 142 llabs(long long) __pure2; 143 /* LONGLONG */ 144 lldiv_t lldiv(long long, long long) __pure2; 145 /* LONGLONG */ 146 long long 147 strtoll(const char * __restrict, char ** __restrict, int); 148 /* LONGLONG */ 149 unsigned long long 150 strtoull(const char * __restrict, char ** __restrict, int); 151 #endif /* __LONG_LONG_SUPPORTED */ 152 153 void _Exit(int) __dead2; 154 #endif /* __ISO_C_VISIBLE >= 1999 */ 155 156 /* 157 * Extensions made by POSIX relative to C. We don't know yet which edition 158 * of POSIX made these extensions, so assume they've always been there until 159 * research can be done. 160 */ 161 #if __POSIX_VISIBLE /* >= ??? */ 162 /*int posix_memalign(void **, size_t, size_t); (ADV) */ 163 int rand_r(unsigned *); /* (TSF) */ 164 int setenv(const char *, const char *, int); 165 int unsetenv(const char *); 166 #endif 167 168 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 169 #ifndef _MKDTEMP_DECLARED 170 char *mkdtemp(char *); 171 #define _MKDTEMP_DECLARED 172 #endif 173 #ifndef _MKSTEMP_DECLARED 174 int mkstemp(char *); 175 #define _MKSTEMP_DECLARED 176 #endif 177 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 178 179 /* 180 * The only changes to the XSI namespace in revision 6 were the deletion 181 * of the ttyslot() and valloc() functions, which we never declared 182 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 183 * we also do not have, and mktemp(), are to be deleted. 184 */ 185 #if __XSI_VISIBLE 186 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 187 long a64l(const char *); 188 double drand48(void); 189 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 190 double erand48(unsigned short[3]); 191 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 192 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 193 int getsubopt(char **, char *const *, char **); 194 int grantpt(int); 195 char *initstate(unsigned long /* XSI requires u_int */, char *, long); 196 long jrand48(unsigned short[3]); 197 char *l64a(long); 198 void lcong48(unsigned short[7]); 199 long lrand48(void); 200 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 201 char *mktemp(char *); 202 #define _MKTEMP_DECLARED 203 #endif 204 long mrand48(void); 205 long nrand48(unsigned short[3]); 206 int posix_openpt(int); 207 char *ptsname(int); 208 int putenv(char *); 209 long random(void); 210 char *realpath(const char * __restrict, char * __restrict); 211 unsigned short 212 *seed48(unsigned short[3]); 213 int setkey(const char *); 214 char *setstate(/* const */ char *); 215 void srand48(long); 216 void srandom(unsigned long); 217 int unlockpt(int); 218 #endif /* __XSI_VISIBLE */ 219 220 #if __BSD_VISIBLE 221 /* extern const char *_malloc_options; 222 extern void (*_malloc_message)(const char *, const char *, const char *, 223 const char *); */ 224 225 /* 226 * The alloca() function can't be implemented in C, and on some 227 * platforms it can't be implemented at all as a callable function. 228 * The GNU C compiler provides a built-in alloca() which we can use; 229 * in all other cases, provide a prototype, mainly to pacify various 230 * incarnations of lint. On platforms where alloca() is not in libc, 231 * programs which use it will fail to link when compiled with non-GNU 232 * compilers. 233 */ 234 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 235 #undef alloca /* some GNU bits try to get cute and define this on their own */ 236 #define alloca(sz) __builtin_alloca(sz) 237 #elif defined(lint) 238 void *alloca(size_t); 239 #endif 240 241 __uint32_t 242 arc4random(void); 243 void arc4random_addrandom(__uint8_t *, size_t); 244 void arc4random_buf(void *, size_t); 245 void arc4random_stir(void); 246 __uint32_t 247 arc4random_uniform(__uint32_t); 248 char *getbsize(int *, long *); 249 250 /* getcap(3) functions */ 251 char *cgetcap(char *, const char *, int); 252 int cgetclose(void); 253 int cgetent(char **, char **, const char *); 254 int cgetfirst(char **, char **); 255 int cgetmatch(const char *, const char *); 256 int cgetnext(char **, char **); 257 int cgetnum(char *, const char *, long *); 258 int cgetset(const char *); 259 int cgetstr(char *, const char *, char **); 260 int cgetustr(char *, const char *, char **); 261 262 int daemon(int, int); 263 char *devname(dev_t, mode_t); 264 char *devname_r(dev_t, mode_t, char *, size_t); 265 char *fdevname(int); 266 int fdevname_r(int, char *, size_t); 267 int getloadavg(double [], int); 268 const char * 269 getprogname(void); 270 271 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 272 int l64a_r(long, char *, int); 273 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 274 void qsort_r(void *, size_t, size_t, void *, 275 int (*)(void *, const void *, const void *)); 276 int radixsort(const unsigned char **, int, const unsigned char *, 277 unsigned int); 278 void *reallocf(void *, size_t); 279 int rpmatch(const char *); 280 void setprogname(const char *); 281 int sradixsort(const unsigned char **, int, const unsigned char *, 282 unsigned int); 283 void sranddev(void); 284 void srandomdev(void); 285 long long 286 strtonum(const char *, long long, long long, const char **); 287 288 /* Deprecated interfaces. */ 289 #if !defined(_KERNEL_VIRTUAL) 290 __int64_t 291 strtoq(const char *, char **, int); 292 __uint64_t 293 strtouq(const char *, char **, int); 294 #endif 295 296 extern char *suboptarg; /* getsubopt(3) external variable */ 297 #endif /* __BSD_VISIBLE */ 298 299 /* 300 * C11 functions. 301 */ 302 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L || __BSD_VISIBLE 303 int at_quick_exit(void (*func)(void)); 304 void quick_exit(int) __dead2; 305 void *aligned_alloc(size_t, size_t); 306 #endif /* __ISO_C_VISIBLE >= 2011 */ 307 308 __END_DECLS 309 310 #endif /* !_STDLIB_H_ */ 311