1199767f8SToomas Soome /*- 2199767f8SToomas Soome * Copyright (c) 1990, 1993 3199767f8SToomas Soome * The Regents of the University of California. All rights reserved. 4199767f8SToomas Soome * 5199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 6199767f8SToomas Soome * modification, are permitted provided that the following conditions 7199767f8SToomas Soome * are met: 8199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 9199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 10199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 11199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 12199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 13199767f8SToomas Soome * 3. Neither the name of the University nor the names of its contributors 14199767f8SToomas Soome * may be used to endorse or promote products derived from this software 15199767f8SToomas Soome * without specific prior written permission. 16199767f8SToomas Soome * 17199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27199767f8SToomas Soome * SUCH DAMAGE. 28199767f8SToomas Soome * 29199767f8SToomas Soome * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 30199767f8SToomas Soome * $FreeBSD$ 31199767f8SToomas Soome */ 32199767f8SToomas Soome 33199767f8SToomas Soome #ifndef _STDLIB_H_ 34199767f8SToomas Soome #define _STDLIB_H_ 35199767f8SToomas Soome 36199767f8SToomas Soome #include <sys/cdefs.h> 37199767f8SToomas Soome #include <sys/_null.h> 38199767f8SToomas Soome #include <sys/_types.h> 39199767f8SToomas Soome 40199767f8SToomas Soome #if __BSD_VISIBLE 41199767f8SToomas Soome #ifndef _RUNE_T_DECLARED 42199767f8SToomas Soome typedef __rune_t rune_t; 43199767f8SToomas Soome #define _RUNE_T_DECLARED 44199767f8SToomas Soome #endif 45199767f8SToomas Soome #endif 46199767f8SToomas Soome 47199767f8SToomas Soome #ifndef _SIZE_T_DECLARED 48199767f8SToomas Soome typedef __size_t size_t; 49199767f8SToomas Soome #define _SIZE_T_DECLARED 50199767f8SToomas Soome #endif 51199767f8SToomas Soome 52199767f8SToomas Soome #ifndef __cplusplus 53199767f8SToomas Soome #ifndef _WCHAR_T_DECLARED 54199767f8SToomas Soome typedef ___wchar_t wchar_t; 55199767f8SToomas Soome #define _WCHAR_T_DECLARED 56199767f8SToomas Soome #endif 57199767f8SToomas Soome #endif 58199767f8SToomas Soome 59199767f8SToomas Soome typedef struct { 60199767f8SToomas Soome int quot; /* quotient */ 61199767f8SToomas Soome int rem; /* remainder */ 62199767f8SToomas Soome } div_t; 63199767f8SToomas Soome 64199767f8SToomas Soome typedef struct { 65199767f8SToomas Soome long quot; 66199767f8SToomas Soome long rem; 67199767f8SToomas Soome } ldiv_t; 68199767f8SToomas Soome 69199767f8SToomas Soome #define EXIT_FAILURE 1 70199767f8SToomas Soome #define EXIT_SUCCESS 0 71199767f8SToomas Soome 72199767f8SToomas Soome #define RAND_MAX 0x7ffffffd 73199767f8SToomas Soome 74199767f8SToomas Soome __BEGIN_DECLS 75199767f8SToomas Soome #ifdef _XLOCALE_H_ 76199767f8SToomas Soome #include <xlocale/_stdlib.h> 77199767f8SToomas Soome #endif 78199767f8SToomas Soome extern int __mb_cur_max; 79199767f8SToomas Soome extern int ___mb_cur_max(void); 80199767f8SToomas Soome #define MB_CUR_MAX (___mb_cur_max()) 81199767f8SToomas Soome 82199767f8SToomas Soome _Noreturn void abort(void); 83199767f8SToomas Soome int abs(int) __pure2; 84199767f8SToomas Soome int atexit(void (*)(void)); 85199767f8SToomas Soome double atof(const char *); 86199767f8SToomas Soome int atoi(const char *); 87199767f8SToomas Soome long atol(const char *); 88199767f8SToomas Soome void *bsearch(const void *, const void *, size_t, 89199767f8SToomas Soome size_t, int (*)(const void *, const void *)); 90199767f8SToomas Soome void *calloc(size_t, size_t) __malloc_like __result_use_check 91*59c22e7aSToomas Soome __alloc_size2(1, 2); 92199767f8SToomas Soome div_t div(int, int) __pure2; 93199767f8SToomas Soome _Noreturn void exit(int); 94199767f8SToomas Soome void free(void *); 95199767f8SToomas Soome char *getenv(const char *); 96199767f8SToomas Soome long labs(long) __pure2; 97199767f8SToomas Soome ldiv_t ldiv(long, long) __pure2; 98199767f8SToomas Soome void *malloc(size_t) __malloc_like __result_use_check __alloc_size(1); 99199767f8SToomas Soome int mblen(const char *, size_t); 100199767f8SToomas Soome size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 101199767f8SToomas Soome int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 102199767f8SToomas Soome void qsort(void *, size_t, size_t, 103199767f8SToomas Soome int (*)(const void *, const void *)); 104199767f8SToomas Soome int rand(void); 105199767f8SToomas Soome void *realloc(void *, size_t) __result_use_check __alloc_size(2); 106199767f8SToomas Soome void srand(unsigned); 107199767f8SToomas Soome double strtod(const char * __restrict, char ** __restrict); 108199767f8SToomas Soome float strtof(const char * __restrict, char ** __restrict); 109199767f8SToomas Soome long strtol(const char * __restrict, char ** __restrict, int); 110199767f8SToomas Soome long double 111199767f8SToomas Soome strtold(const char * __restrict, char ** __restrict); 112199767f8SToomas Soome unsigned long 113199767f8SToomas Soome strtoul(const char * __restrict, char ** __restrict, int); 114199767f8SToomas Soome int system(const char *); 115199767f8SToomas Soome int wctomb(char *, wchar_t); 116199767f8SToomas Soome size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 117199767f8SToomas Soome 118199767f8SToomas Soome /* 119199767f8SToomas Soome * Functions added in C99 which we make conditionally available in the 120199767f8SToomas Soome * BSD^C89 namespace if the compiler supports `long long'. 121199767f8SToomas Soome * The #if test is more complicated than it ought to be because 122199767f8SToomas Soome * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 123199767f8SToomas Soome * is not supported in the compilation environment (which therefore means 124199767f8SToomas Soome * that it can't really be ISO C99). 125199767f8SToomas Soome * 126199767f8SToomas Soome * (The only other extension made by C99 in thie header is _Exit().) 127199767f8SToomas Soome */ 128199767f8SToomas Soome #if __ISO_C_VISIBLE >= 1999 129199767f8SToomas Soome #ifdef __LONG_LONG_SUPPORTED 130199767f8SToomas Soome /* LONGLONG */ 131199767f8SToomas Soome typedef struct { 132199767f8SToomas Soome long long quot; 133199767f8SToomas Soome long long rem; 134199767f8SToomas Soome } lldiv_t; 135199767f8SToomas Soome 136199767f8SToomas Soome /* LONGLONG */ 137199767f8SToomas Soome long long 138199767f8SToomas Soome atoll(const char *); 139199767f8SToomas Soome /* LONGLONG */ 140199767f8SToomas Soome long long 141199767f8SToomas Soome llabs(long long) __pure2; 142199767f8SToomas Soome /* LONGLONG */ 143199767f8SToomas Soome lldiv_t lldiv(long long, long long) __pure2; 144199767f8SToomas Soome /* LONGLONG */ 145199767f8SToomas Soome long long 146199767f8SToomas Soome strtoll(const char * __restrict, char ** __restrict, int); 147199767f8SToomas Soome /* LONGLONG */ 148199767f8SToomas Soome unsigned long long 149199767f8SToomas Soome strtoull(const char * __restrict, char ** __restrict, int); 150199767f8SToomas Soome #endif /* __LONG_LONG_SUPPORTED */ 151199767f8SToomas Soome 152199767f8SToomas Soome _Noreturn void _Exit(int); 153199767f8SToomas Soome #endif /* __ISO_C_VISIBLE >= 1999 */ 154199767f8SToomas Soome 155199767f8SToomas Soome /* 156199767f8SToomas Soome * If we're in a mode greater than C99, expose C11 functions. 157199767f8SToomas Soome */ 158199767f8SToomas Soome #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 159199767f8SToomas Soome void * aligned_alloc(size_t, size_t) __malloc_like __alloc_align(1) 160199767f8SToomas Soome __alloc_size(2); 161199767f8SToomas Soome int at_quick_exit(void (*)(void)); 162199767f8SToomas Soome _Noreturn void 163199767f8SToomas Soome quick_exit(int); 164199767f8SToomas Soome #endif /* __ISO_C_VISIBLE >= 2011 */ 165199767f8SToomas Soome /* 166199767f8SToomas Soome * Extensions made by POSIX relative to C. 167199767f8SToomas Soome */ 168199767f8SToomas Soome #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 169199767f8SToomas Soome char *realpath(const char * __restrict, char * __restrict); 170199767f8SToomas Soome #endif 171199767f8SToomas Soome #if __POSIX_VISIBLE >= 199506 172199767f8SToomas Soome int rand_r(unsigned *); /* (TSF) */ 173199767f8SToomas Soome #endif 174199767f8SToomas Soome #if __POSIX_VISIBLE >= 200112 1750639c0edSToomas Soome int posix_memalign(void **, size_t, size_t); /* (ADV) */ 176199767f8SToomas Soome int setenv(const char *, const char *, int); 177199767f8SToomas Soome int unsetenv(const char *); 178199767f8SToomas Soome #endif 179199767f8SToomas Soome 180199767f8SToomas Soome #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 181199767f8SToomas Soome int getsubopt(char **, char *const *, char **); 182199767f8SToomas Soome #ifndef _MKDTEMP_DECLARED 183199767f8SToomas Soome char *mkdtemp(char *); 184199767f8SToomas Soome #define _MKDTEMP_DECLARED 185199767f8SToomas Soome #endif 186199767f8SToomas Soome #ifndef _MKSTEMP_DECLARED 187199767f8SToomas Soome int mkstemp(char *); 188199767f8SToomas Soome #define _MKSTEMP_DECLARED 189199767f8SToomas Soome #endif 190199767f8SToomas Soome #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 191199767f8SToomas Soome 192199767f8SToomas Soome /* 193199767f8SToomas Soome * The only changes to the XSI namespace in revision 6 were the deletion 194199767f8SToomas Soome * of the ttyslot() and valloc() functions, which FreeBSD never declared 195199767f8SToomas Soome * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 196199767f8SToomas Soome * FreeBSD also does not have, and mktemp(), are to be deleted. 197199767f8SToomas Soome */ 198199767f8SToomas Soome #if __XSI_VISIBLE 199199767f8SToomas Soome /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 200199767f8SToomas Soome long a64l(const char *); 201199767f8SToomas Soome double drand48(void); 202199767f8SToomas Soome /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 203199767f8SToomas Soome double erand48(unsigned short[3]); 204199767f8SToomas Soome /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 205199767f8SToomas Soome /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 206199767f8SToomas Soome int grantpt(int); 207199767f8SToomas Soome char *initstate(unsigned long /* XSI requires u_int */, char *, long); 208199767f8SToomas Soome long jrand48(unsigned short[3]); 209199767f8SToomas Soome char *l64a(long); 210199767f8SToomas Soome void lcong48(unsigned short[7]); 211199767f8SToomas Soome long lrand48(void); 212199767f8SToomas Soome #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 213199767f8SToomas Soome char *mktemp(char *); 214199767f8SToomas Soome #define _MKTEMP_DECLARED 215199767f8SToomas Soome #endif 216199767f8SToomas Soome long mrand48(void); 217199767f8SToomas Soome long nrand48(unsigned short[3]); 218199767f8SToomas Soome int posix_openpt(int); 219199767f8SToomas Soome char *ptsname(int); 220199767f8SToomas Soome int putenv(char *); 221199767f8SToomas Soome long random(void); 222199767f8SToomas Soome unsigned short 223199767f8SToomas Soome *seed48(unsigned short[3]); 224199767f8SToomas Soome #ifndef _SETKEY_DECLARED 225199767f8SToomas Soome int setkey(const char *); 226199767f8SToomas Soome #define _SETKEY_DECLARED 227199767f8SToomas Soome #endif 228199767f8SToomas Soome char *setstate(/* const */ char *); 229199767f8SToomas Soome void srand48(long); 230199767f8SToomas Soome void srandom(unsigned long); 231199767f8SToomas Soome int unlockpt(int); 232199767f8SToomas Soome #endif /* __XSI_VISIBLE */ 233199767f8SToomas Soome 234199767f8SToomas Soome #if __BSD_VISIBLE 235199767f8SToomas Soome extern const char *malloc_conf; 236199767f8SToomas Soome extern void (*malloc_message)(void *, const char *); 237199767f8SToomas Soome 238199767f8SToomas Soome /* 239199767f8SToomas Soome * The alloca() function can't be implemented in C, and on some 240199767f8SToomas Soome * platforms it can't be implemented at all as a callable function. 241199767f8SToomas Soome * The GNU C compiler provides a built-in alloca() which we can use; 242199767f8SToomas Soome * in all other cases, provide a prototype, mainly to pacify various 243199767f8SToomas Soome * incarnations of lint. On platforms where alloca() is not in libc, 244199767f8SToomas Soome * programs which use it will fail to link when compiled with non-GNU 245199767f8SToomas Soome * compilers. 246199767f8SToomas Soome */ 247199767f8SToomas Soome #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 248199767f8SToomas Soome #undef alloca /* some GNU bits try to get cute and define this on their own */ 249199767f8SToomas Soome #define alloca(sz) __builtin_alloca(sz) 250199767f8SToomas Soome #elif defined(lint) 251199767f8SToomas Soome void *alloca(size_t); 252199767f8SToomas Soome #endif 253199767f8SToomas Soome 254199767f8SToomas Soome void abort2(const char *, int, void **) __dead2; 255199767f8SToomas Soome __uint32_t 256199767f8SToomas Soome arc4random(void); 257199767f8SToomas Soome void arc4random_addrandom(unsigned char *, int); 258199767f8SToomas Soome void arc4random_buf(void *, size_t); 259199767f8SToomas Soome void arc4random_stir(void); 260*59c22e7aSToomas Soome __uint32_t 261199767f8SToomas Soome arc4random_uniform(__uint32_t); 262199767f8SToomas Soome #ifdef __BLOCKS__ 263199767f8SToomas Soome int atexit_b(void (^)(void)); 264199767f8SToomas Soome void *bsearch_b(const void *, const void *, size_t, 265199767f8SToomas Soome size_t, int (^)(const void *, const void *)); 266199767f8SToomas Soome #endif 267199767f8SToomas Soome char *getbsize(int *, long *); 268199767f8SToomas Soome /* getcap(3) functions */ 269199767f8SToomas Soome char *cgetcap(char *, const char *, int); 270199767f8SToomas Soome int cgetclose(void); 271199767f8SToomas Soome int cgetent(char **, char **, const char *); 272199767f8SToomas Soome int cgetfirst(char **, char **); 273199767f8SToomas Soome int cgetmatch(const char *, const char *); 274199767f8SToomas Soome int cgetnext(char **, char **); 275199767f8SToomas Soome int cgetnum(char *, const char *, long *); 276199767f8SToomas Soome int cgetset(const char *); 277199767f8SToomas Soome int cgetstr(char *, const char *, char **); 278199767f8SToomas Soome int cgetustr(char *, const char *, char **); 279199767f8SToomas Soome 280199767f8SToomas Soome int daemon(int, int); 281199767f8SToomas Soome char *devname(__dev_t, __mode_t); 282199767f8SToomas Soome char *devname_r(__dev_t, __mode_t, char *, int); 283199767f8SToomas Soome char *fdevname(int); 284199767f8SToomas Soome char *fdevname_r(int, char *, int); 285199767f8SToomas Soome int getloadavg(double [], int); 286199767f8SToomas Soome const char * 287199767f8SToomas Soome getprogname(void); 288199767f8SToomas Soome 289199767f8SToomas Soome int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 290199767f8SToomas Soome #ifdef __BLOCKS__ 291199767f8SToomas Soome int heapsort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 292199767f8SToomas Soome void qsort_b(void *, size_t, size_t, 293199767f8SToomas Soome int (^)(const void *, const void *)); 294199767f8SToomas Soome #endif 295199767f8SToomas Soome int l64a_r(long, char *, int); 296199767f8SToomas Soome int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 297199767f8SToomas Soome #ifdef __BLOCKS__ 298199767f8SToomas Soome int mergesort_b(void *, size_t, size_t, int (^)(const void *, const void *)); 299199767f8SToomas Soome #endif 300199767f8SToomas Soome int mkostemp(char *, int); 301199767f8SToomas Soome int mkostemps(char *, int, int); 302199767f8SToomas Soome void qsort_r(void *, size_t, size_t, void *, 303199767f8SToomas Soome int (*)(void *, const void *, const void *)); 304199767f8SToomas Soome int radixsort(const unsigned char **, int, const unsigned char *, 305199767f8SToomas Soome unsigned); 306*59c22e7aSToomas Soome void *reallocarray(void *, size_t, size_t) __result_use_check 307*59c22e7aSToomas Soome __alloc_size2(2, 3); 308199767f8SToomas Soome void *reallocf(void *, size_t) __alloc_size(2); 309199767f8SToomas Soome int rpmatch(const char *); 310199767f8SToomas Soome void setprogname(const char *); 311199767f8SToomas Soome int sradixsort(const unsigned char **, int, const unsigned char *, 312199767f8SToomas Soome unsigned); 313199767f8SToomas Soome void sranddev(void); 314199767f8SToomas Soome void srandomdev(void); 315199767f8SToomas Soome long long 316199767f8SToomas Soome strtonum(const char *, long long, long long, const char **); 317199767f8SToomas Soome 318199767f8SToomas Soome /* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 319199767f8SToomas Soome __int64_t 320199767f8SToomas Soome strtoq(const char *, char **, int); 321199767f8SToomas Soome __uint64_t 322199767f8SToomas Soome strtouq(const char *, char **, int); 323199767f8SToomas Soome 324199767f8SToomas Soome extern char *suboptarg; /* getsubopt(3) external variable */ 325199767f8SToomas Soome #endif /* __BSD_VISIBLE */ 326199767f8SToomas Soome __END_DECLS 327199767f8SToomas Soome 328199767f8SToomas Soome #endif /* !_STDLIB_H_ */ 329