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 * $DragonFly: src/include/stdlib.h,v 1.22 2008/06/05 17:53:10 swildner Exp $ 36 */ 37 38 #ifndef _STDLIB_H_ 39 #define _STDLIB_H_ 40 41 #include <sys/cdefs.h> 42 #include <sys/_null.h> 43 #include <sys/types.h> 44 45 #ifndef _SIZE_T_DECLARED 46 typedef __size_t size_t; 47 #define _SIZE_T_DECLARED 48 #endif 49 50 #ifndef __cplusplus 51 #ifndef _WCHAR_T_DECLARED 52 typedef __wchar_t wchar_t; 53 #define _WCHAR_T_DECLARED 54 #endif 55 #endif 56 57 typedef struct { 58 int quot; /* quotient */ 59 int rem; /* remainder */ 60 } div_t; 61 62 typedef struct { 63 long quot; 64 long rem; 65 } ldiv_t; 66 67 #define EXIT_FAILURE 1 68 #define EXIT_SUCCESS 0 69 70 #define RAND_MAX 0x7fffffff 71 72 extern int __mb_cur_max; 73 #define MB_CUR_MAX __mb_cur_max 74 75 __BEGIN_DECLS 76 void abort(void) __dead2; 77 /* void abort2(const char *, int, void **) __dead2; */ 78 int abs(int) __pure2; 79 int atexit(void (*)(void)); 80 double atof(const char *); 81 int atoi(const char *); 82 long atol(const char *); 83 void *bsearch(const void *, const void *, size_t, 84 size_t, int (*)(const void *, const void *)); 85 void *calloc(size_t, size_t); 86 div_t div(int, int) __pure2; 87 void exit(int) __dead2; 88 void free(void *); 89 char *getenv(const char *); 90 long labs(long) __pure2; 91 ldiv_t ldiv(long, long) __pure2; 92 void *malloc(size_t); 93 int posix_memalign(void **, size_t, size_t); 94 int mblen(const char *, size_t); 95 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 96 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 97 void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 98 int rand(void); 99 void *realloc(void *, size_t); 100 void srand(unsigned); 101 double strtod(const char * __restrict, char ** __restrict); 102 float strtof(const char * __restrict, char ** __restrict); 103 #if !defined(_KERNEL_VIRTUAL) 104 long strtol(const char * __restrict, char ** __restrict, int); 105 #endif 106 long double 107 strtold(const char * __restrict, char ** __restrict); 108 #if !defined(_KERNEL_VIRTUAL) 109 unsigned long 110 strtoul(const char * __restrict, char ** __restrict, int); 111 #endif 112 int system(const char *); 113 int wctomb(char *, wchar_t); 114 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 115 116 /* 117 * Functions added in C99 which we make conditionally available in the 118 * BSD^C89 namespace if the compiler supports `long long'. 119 * The #if test is more complicated than it ought to be because 120 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 121 * is not supported in the compilation environment (which therefore means 122 * that it can't really be ISO C99). 123 * 124 * (The only other extension made by C99 in this header is _Exit().) 125 */ 126 #if __ISO_C_VISIBLE >= 1999 127 #ifdef __LONG_LONG_SUPPORTED 128 /* LONGLONG */ 129 typedef struct { 130 long long quot; 131 long long rem; 132 } lldiv_t; 133 134 /* LONGLONG */ 135 long long 136 atoll(const char *); 137 /* LONGLONG */ 138 long long 139 llabs(long long) __pure2; 140 /* LONGLONG */ 141 lldiv_t lldiv(long long, long long) __pure2; 142 /* LONGLONG */ 143 long long 144 strtoll(const char * __restrict, char ** __restrict, int); 145 /* LONGLONG */ 146 unsigned long long 147 strtoull(const char * __restrict, char ** __restrict, int); 148 #endif /* __LONG_LONG_SUPPORTED */ 149 150 void _Exit(int) __dead2; 151 #endif /* __ISO_C_VISIBLE >= 1999 */ 152 153 /* 154 * Extensions made by POSIX relative to C. We don't know yet which edition 155 * of POSIX made these extensions, so assume they've always been there until 156 * research can be done. 157 */ 158 #if __POSIX_VISIBLE /* >= ??? */ 159 /*int posix_memalign(void **, size_t, size_t); (ADV) */ 160 int rand_r(unsigned *); /* (TSF) */ 161 int setenv(const char *, const char *, int); 162 int unsetenv(const char *); 163 #endif 164 165 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 166 #ifndef _MKDTEMP_DECLARED 167 char *mkdtemp(char *); 168 #define _MKDTEMP_DECLARED 169 #endif 170 #ifndef _MKSTEMP_DECLARED 171 int mkstemp(char *); 172 #define _MKSTEMP_DECLARED 173 #endif 174 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 175 176 /* 177 * The only changes to the XSI namespace in revision 6 were the deletion 178 * of the ttyslot() and valloc() functions, which we never declared 179 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 180 * we also do not have, and mktemp(), are to be deleted. 181 */ 182 #if __XSI_VISIBLE 183 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 184 long a64l(const char *); 185 double drand48(void); 186 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 187 double erand48(unsigned short[3]); 188 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 189 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 190 int getsubopt(char **, char *const *, char **); 191 /* int grantpt(int); */ 192 char *initstate(unsigned long /* XSI requires u_int */, char *, long); 193 long jrand48(unsigned short[3]); 194 char *l64a(long); 195 void lcong48(unsigned short[7]); 196 long lrand48(void); 197 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 198 char *mktemp(char *); 199 #define _MKTEMP_DECLARED 200 #endif 201 long mrand48(void); 202 long nrand48(unsigned short[3]); 203 /* int posix_openpt(int); */ 204 /* char *ptsname(int); */ 205 int putenv(char *); 206 long random(void); 207 char *realpath(const char *, char resolved_path[]); 208 unsigned short 209 *seed48(unsigned short[3]); 210 int setkey(const char *); 211 char *setstate(/* const */ char *); 212 void srand48(long); 213 void srandom(unsigned long); 214 /* int unlockpt(int); */ 215 #endif /* __XSI_VISIBLE */ 216 217 #if __BSD_VISIBLE 218 /* extern const char *_malloc_options; 219 extern void (*_malloc_message)(const char *, const char *, const char *, 220 const char *); */ 221 222 /* 223 * The alloca() function can't be implemented in C, and on some 224 * platforms it can't be implemented at all as a callable function. 225 * The GNU C compiler provides a built-in alloca() which we can use; 226 * in all other cases, provide a prototype, mainly to pacify various 227 * incarnations of lint. On platforms where alloca() is not in libc, 228 * programs which use it will fail to link when compiled with non-GNU 229 * compilers. 230 */ 231 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 232 #undef alloca /* some GNU bits try to get cute and define this on their own */ 233 #define alloca(sz) __builtin_alloca(sz) 234 #elif defined(lint) 235 void *alloca(size_t); 236 #endif 237 238 __uint32_t 239 arc4random(void); 240 void arc4random_addrandom(__uint8_t *, size_t); 241 void arc4random_buf(void *, size_t); 242 void arc4random_stir(void); 243 __uint32_t 244 arc4random_uniform(__uint32_t); 245 char *getbsize(int *, long *); 246 /* getcap(3) functions */ 247 char *cgetcap(char *, const char *, int); 248 int cgetclose(void); 249 int cgetent(char **, char **, const char *); 250 int cgetfirst(char **, char **); 251 int cgetmatch(const char *, const char *); 252 int cgetnext(char **, char **); 253 int cgetnum(char *, const char *, long *); 254 int cgetset(const char *); 255 int cgetstr(char *, const char *, char **); 256 int cgetustr(char *, const char *, char **); 257 258 int daemon(int, int); 259 char *devname(dev_t, mode_t); 260 char *devname_r(dev_t, mode_t, char *, size_t); 261 int getloadavg(double [], int); 262 __const char * 263 getprogname(void); 264 265 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 266 int l64a_r(long, char *, int); 267 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 268 void qsort_r(void *, size_t, size_t, void *, 269 int (*)(void *, const void *, const void *)); 270 int radixsort(const unsigned char **, int, const unsigned char *, 271 unsigned int); 272 void *reallocf(void *, size_t); 273 int rpmatch(const char *); 274 void setprogname(const char *); 275 int sradixsort(const unsigned char **, int, const unsigned char *, 276 unsigned int); 277 void sranddev(void); 278 void srandomdev(void); 279 long long 280 strtonum(const char *, long long, long long, const char **); 281 282 /* Deprecated interfaces. */ 283 #if !defined(_KERNEL_VIRTUAL) 284 __int64_t 285 strtoq(const char *, char **, int); 286 __uint64_t 287 strtouq(const char *, char **, int); 288 #endif 289 290 extern char *suboptarg; /* getsubopt(3) external variable */ 291 #endif /* __BSD_VISIBLE */ 292 __END_DECLS 293 294 #endif /* !_STDLIB_H_ */ 295