include/stdlib.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  24  * Copyright (c) 2013 Gary Mills
  25  *
  26  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  27  */
  28
  29 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
  30
  31 /*      Copyright (c) 1988 AT&T */
  32 /*        All Rights Reserved   */
  33
  34 #ifndef _STDLIB_H
  35 #define _STDLIB_H
  36
  37 #include <iso/stdlib_iso.h>
  38 #include <iso/stdlib_c99.h>
  39 #include <iso/stdlib_c11.h>
  40
  41 #if defined(__EXTENSIONS__) || defined(_XPG4)
  42 #include <sys/wait.h>
  43 #endif
  44
  45 /*
  46  * Allow global visibility for symbols defined in
  47  * C++ "std" namespace in <iso/stdlib_iso.h>.
  48  */
  49 #if __cplusplus >= 199711L
  50 using std::div_t;
  51 using std::ldiv_t;
  52 using std::size_t;
  53 using std::abort;
  54 using std::abs;
  55 using std::atexit;
  56 using std::atof;
  57 using std::atoi;
  58 using std::atol;
  59 using std::bsearch;
  60 using std::calloc;
  61 using std::div;
  62 using std::exit;
  63 using std::free;
  64 using std::getenv;
  65 using std::labs;
  66 using std::ldiv;
  67 using std::malloc;
  68 using std::mblen;
  69 using std::mbstowcs;
  70 using std::mbtowc;
  71 using std::qsort;
  72 using std::rand;
  73 using std::realloc;
  74 using std::srand;
  75 using std::strtod;
  76 using std::strtol;
  77 using std::strtoul;
  78 using std::system;
  79 using std::wcstombs;
  80 using std::wctomb;
  81 #endif
  82
  83 /*
  84  * Allow global visibility for symbols defined in
  85  * C++ "std" namespace in <iso/stdlib_c11.h>.
  86  */
  87 #if __cplusplus >= 201103L
  88 using std::at_quick_exit;
  89 using std::quick_exit;
  90 #endif
  91 #if __cplusplus >= 201703L
  92 using std::aligned_alloc;
  93 #endif
  94
  95 #ifdef  __cplusplus
  96 extern "C" {
  97 #endif
  98
  99 #ifndef _UID_T
 100 #define _UID_T
 101 typedef unsigned int    uid_t;          /* UID type             */
 102 #endif  /* !_UID_T */
 103
 104 /* large file compilation environment setup */
 105 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
 106
 107 #ifdef  __PRAGMA_REDEFINE_EXTNAME
 108 #pragma redefine_extname        mkstemp         mkstemp64
 109 #pragma redefine_extname        mkstemps        mkstemps64
 110 #pragma redefine_extname        mkostemp        mkostemp64
 111 #pragma redefine_extname        mkostemps       mkostemps64
 112 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 113 #define mkstemp                 mkstemp64
 114 #define mkstemps                mkstemps64
 115 #define mkostemp                mkostemp64
 116 #define mkostemps               mkostemps64
 117 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 118
 119 #endif  /* _FILE_OFFSET_BITS == 64 */
 120
 121 /* In the LP64 compilation environment, all APIs are already large file */
 122 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
 123
 124 #ifdef  __PRAGMA_REDEFINE_EXTNAME
 125 #pragma redefine_extname        mkstemp64       mkstemp
 126 #pragma redefine_extname        mkstemps64      mkstemps
 127 #pragma redefine_extname        mkostemp64      mkostemp
 128 #pragma redefine_extname        mkostemps64     mkostemps
 129 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 130 #define mkstemp64               mkstemp
 131 #define mkstemps64              mkstemps
 132 #define mkostemp64              mkostemp
 133 #define mkostemps64             mkostemps
 134 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 135
 136 #endif  /* _LP64 && _LARGEFILE64_SOURCE */
 137
 138 extern int rand_r(unsigned int *);
 139
 140 extern void _exithandle(void);
 141
 142 #if defined(__EXTENSIONS__) || \
 143         (!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
 144         defined(_XPG4)
 145 extern double drand48(void);
 146 extern double erand48(unsigned short *);
 147 extern long jrand48(unsigned short *);
 148 extern void lcong48(unsigned short *);
 149 extern long lrand48(void);
 150 extern long mrand48(void);
 151 extern long nrand48(unsigned short *);
 152 extern unsigned short *seed48(unsigned short *);
 153 extern void srand48(long);
 154 extern int putenv(char *);
 155 extern void setkey(const char *);
 156 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 157
 158 /*
 159  * swab() has historically been in <stdlib.h> as delivered from AT&T
 160  * and continues to be visible in the default compilation environment.
 161  * As of Issue 4 of the X/Open Portability Guides, swab() was declared
 162  * in <unistd.h>. As a result, with respect to X/Open namespace the
 163  * swab() declaration in this header is only visible for the XPG3
 164  * environment.
 165  */
 166 #if (defined(__EXTENSIONS__) || \
 167         (!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \
 168         (!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
 169 #ifndef _SSIZE_T
 170 #define _SSIZE_T
 171 #if defined(_LP64) || defined(_I32LPx)
 172 typedef long    ssize_t;        /* size of something in bytes or -1 */
 173 #else
 174 typedef int     ssize_t;        /* (historical version) */
 175 #endif
 176 #endif  /* !_SSIZE_T */
 177
 178 extern void swab(const char *, char *, ssize_t);
 179 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 180
 181 #if defined(__EXTENSIONS__) || \
 182         !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
 183         (defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
 184 extern int      mkstemp(char *);
 185 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 186 extern int      mkstemps(char *, int);
 187 #endif
 188 #endif /* defined(__EXTENSIONS__) ... */
 189
 190 #if     defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
 191             !defined(__PRAGMA_REDEFINE_EXTNAME))
 192 extern int      mkstemp64(char *);
 193 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 194 extern int      mkstemps64(char *, int);
 195 #endif
 196 #endif  /* _LARGEFILE64_SOURCE... */
 197
 198 #if !defined(_STRICT_SYMBOLS) || defined(_XPG7)
 199 extern char     *mkdtemp(char *);
 200 #endif  /* !defined(_STRICT_SYMBOLS) || defined(_XPG7) */
 201
 202 #if !defined(_STRICT_SYMBOLS)
 203 extern int              mkostemp(char *, int);
 204 extern int              mkostemps(char *, int, int);
 205 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
 206                 !defined(__PRAGMA_REDEFINE_EXTNAME))
 207 extern int              mkostemp64(char *, int);
 208 extern int              mkostemps64(char *, int, int);
 209 #endif  /* defined(_LARGEFILE64_SOURCE) || !((_FILE_OFFSET_BITS == 64) ... */
 210 #endif  /* !defined(_STRICT_SYMBOLS) */
 211
 212 #if defined(__EXTENSIONS__) || \
 213         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
 214         defined(_XPG4_2)
 215 extern long a64l(const char *);
 216 extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 217 extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 218 extern char *gcvt(double, int, char *);
 219 extern int getsubopt(char **, char *const *, char **);
 220 extern int  grantpt(int);
 221 extern char *initstate(unsigned, char *, size_t);
 222 extern char *l64a(long);
 223 extern char *mktemp(char *);
 224 extern char *ptsname(int);
 225 extern long random(void);
 226 extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
 227 extern char *setstate(const char *);
 228 extern void srandom(unsigned);
 229 extern int  unlockpt(int);
 230 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
 231 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 232 extern int ttyslot(void);
 233 extern void *valloc(size_t);
 234 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
 235 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
 236
 237 #if defined(__EXTENSIONS__) || \
 238         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
 239         defined(_XPG6)
 240 extern int posix_memalign(void **, size_t, size_t);
 241 extern int posix_openpt(int);
 242 extern int setenv(const char *, const char *, int);
 243 extern int unsetenv(const char *);
 244 #endif
 245
 246 #if defined(__EXTENSIONS__) || \
 247         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
 248 extern char *canonicalize_file_name(const char *);
 249 extern int clearenv(void);
 250 extern void closefrom(int);
 251 extern int daemon(int, int);
 252 extern int dup2(int, int);
 253 extern int dup3(int, int, int);
 254 extern int fdwalk(int (*)(void *, int), void *);
 255 extern char *qecvt(long double, int, int *, int *);
 256 extern char *qfcvt(long double, int, int *, int *);
 257 extern char *qgcvt(long double, int, char *);
 258 extern char *getcwd(char *, size_t);
 259 extern const char *getexecname(void);
 260
 261 #ifndef __GETLOGIN_DEFINED      /* Avoid duplicate in unistd.h */
 262 extern char *getlogin(void);
 263 #endif  /* __GETLOGIN_DEFINED */
 264
 265 extern int getopt(int, char *const *, const char *);
 266 extern char *optarg;
 267 extern int optind, opterr, optopt;
 268 extern char *getpass(const char *);
 269 extern char *getpassphrase(const char *);
 270 extern int isatty(int);
 271 extern void *memalign(size_t, size_t);
 272 extern char *ttyname(int);
 273 extern char *mkdtemp(char *);
 274 extern const char *getprogname(void);
 275 extern void setprogname(const char *);
 276
 277 #if !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE)
 278 extern char *lltostr(long long, char *);
 279 extern char *ulltostr(unsigned long long, char *);
 280 #endif  /* !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) */
 281
 282 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 283
 284 /* OpenBSD compatibility functions */
 285 #if !defined(_STRICT_SYMBOLS)
 286
 287 #include <inttypes.h>
 288 extern uint32_t arc4random(void);
 289 extern void arc4random_buf(void *, size_t);
 290 extern uint32_t arc4random_uniform(uint32_t);
 291 long long strtonum(const char *, long long, long long, const char **);
 292
 293 #endif  /* !_STRICT_SYBMOLS */
 294
 295 #ifdef  __cplusplus
 296 }
 297 #endif
 298
 299 #endif  /* _STDLIB_H */