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 /*
  42  * Allow global visibility for symbols defined in
  43  * C++ "std" namespace in <iso/stdlib_iso.h>.
  44  */
  45 #if __cplusplus >= 199711L
  46 using std::div_t;
  47 using std::ldiv_t;
  48 using std::size_t;
  49 using std::abort;
  50 using std::abs;
  51 using std::atexit;
  52 using std::atof;
  53 using std::atoi;
  54 using std::atol;
  55 using std::bsearch;
  56 using std::calloc;
  57 using std::div;
  58 using std::exit;
  59 using std::free;
  60 using std::getenv;
  61 using std::labs;
  62 using std::ldiv;
  63 using std::malloc;
  64 using std::mblen;
  65 using std::mbstowcs;
  66 using std::mbtowc;
  67 using std::qsort;
  68 using std::rand;
  69 using std::realloc;
  70 using std::srand;
  71 using std::strtod;
  72 using std::strtol;
  73 using std::strtoul;
  74 using std::system;
  75 using std::wcstombs;
  76 using std::wctomb;
  77 #endif
  78
  79 /*
  80  * Allow global visibility for symbols defined in
  81  * C++ "std" namespace in <iso/stdlib_c11.h>.
  82  */
  83 #if __cplusplus >= 201103L
  84 using std::at_quick_exit;
  85 using std::quick_exit;
  86 #endif
  87 #if __cplusplus >= 201703L
  88 using std::aligned_alloc;
  89 #endif
  90
  91 #ifdef  __cplusplus
  92 extern "C" {
  93 #endif
  94
  95 #ifndef _UID_T
  96 #define _UID_T
  97 typedef unsigned int    uid_t;          /* UID type             */
  98 #endif  /* !_UID_T */
  99
 100 extern int rand_r(unsigned int *);
 101
 102 extern void _exithandle(void);
 103
 104 #if defined(__EXTENSIONS__) || \
 105         (!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
 106         defined(_XPG4)
 107 extern double drand48(void);
 108 extern double erand48(unsigned short *);
 109 extern long jrand48(unsigned short *);
 110 extern void lcong48(unsigned short *);
 111 extern long lrand48(void);
 112 extern long mrand48(void);
 113 extern long nrand48(unsigned short *);
 114 extern unsigned short *seed48(unsigned short *);
 115 extern void srand48(long);
 116 extern int putenv(char *);
 117 extern void setkey(const char *);
 118 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 119
 120 /*
 121  * swab() has historically been in <stdlib.h> as delivered from AT&T
 122  * and continues to be visible in the default compilation environment.
 123  * As of Issue 4 of the X/Open Portability Guides, swab() was declared
 124  * in <unistd.h>. As a result, with respect to X/Open namespace the
 125  * swab() declaration in this header is only visible for the XPG3
 126  * environment.
 127  */
 128 #if (defined(__EXTENSIONS__) || \
 129         (!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \
 130         (!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
 131 #ifndef _SSIZE_T
 132 #define _SSIZE_T
 133 #if defined(_LP64) || defined(_I32LPx)
 134 typedef long    ssize_t;        /* size of something in bytes or -1 */
 135 #else
 136 typedef int     ssize_t;        /* (historical version) */
 137 #endif
 138 #endif  /* !_SSIZE_T */
 139
 140 extern void swab(const char *, char *, ssize_t);
 141 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 142
 143 #if defined(__EXTENSIONS__) || \
 144         !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2)
 145 extern int      mkstemp(char *);
 146 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 147 extern int      mkstemps(char *, int);
 148 #endif
 149 #endif /* defined(__EXTENSIONS__) ... */
 150
 151 #if !defined(_STRICT_SYMBOLS) || defined(_XPG7)
 152 extern char     *mkdtemp(char *);
 153 #endif  /* !defined(_STRICT_SYMBOLS) || defined(_XPG7) */
 154
 155 #if !defined(_STRICT_SYMBOLS)
 156 extern int              mkostemp(char *, int);
 157 extern int              mkostemps(char *, int, int);
 158 #endif  /* !defined(_STRICT_SYMBOLS) */
 159
 160 #if defined(__EXTENSIONS__) || \
 161         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
 162         defined(_XPG4_2)
 163 extern long a64l(const char *);
 164 extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 165 extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 166 extern char *gcvt(double, int, char *);
 167 extern int getsubopt(char **, char *const *, char **);
 168 extern int  grantpt(int);
 169 extern char *initstate(unsigned, char *, size_t);
 170 extern char *l64a(long);
 171 extern char *mktemp(char *);
 172 extern char *ptsname(int);
 173 extern long random(void);
 174 extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
 175 extern char *setstate(const char *);
 176 extern void srandom(unsigned);
 177 extern int  unlockpt(int);
 178 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
 179 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 180 extern int ttyslot(void);
 181 extern void *valloc(size_t);
 182 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
 183 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
 184
 185 #if defined(__EXTENSIONS__) || \
 186         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
 187         defined(_XPG6)
 188 extern int posix_memalign(void **, size_t, size_t);
 189 extern int posix_openpt(int);
 190 extern int setenv(const char *, const char *, int);
 191 extern int unsetenv(const char *);
 192 #endif
 193
 194 #if defined(__EXTENSIONS__) || \
 195         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
 196 extern char *canonicalize_file_name(const char *);
 197 extern int clearenv(void);
 198 extern void closefrom(int);
 199 extern int daemon(int, int);
 200 extern int dup2(int, int);
 201 extern int dup3(int, int, int);
 202 extern int fdwalk(int (*)(void *, int), void *);
 203 extern char *qecvt(long double, int, int *, int *);
 204 extern char *qfcvt(long double, int, int *, int *);
 205 extern char *qgcvt(long double, int, char *);
 206 extern char *getcwd(char *, size_t);
 207 extern const char *getexecname(void);
 208
 209 #ifndef __GETLOGIN_DEFINED      /* Avoid duplicate in unistd.h */
 210 extern char *getlogin(void);
 211 #endif  /* __GETLOGIN_DEFINED */
 212
 213 extern int getopt(int, char *const *, const char *);
 214 extern char *optarg;
 215 extern int optind, opterr, optopt;
 216 extern char *getpass(const char *);
 217 extern char *getpassphrase(const char *);
 218 extern int isatty(int);
 219 extern void *memalign(size_t, size_t);
 220 extern char *ttyname(int);
 221 extern char *mkdtemp(char *);
 222 extern const char *getprogname(void);
 223 extern void setprogname(const char *);
 224
 225 #if __UNLEASHED_VISIBLE
 226 extern char *lltostr(long long, char *);
 227 extern char *ulltostr(unsigned long long, char *);
 228 #endif
 229
 230 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 231
 232 /* OpenBSD compatibility functions */
 233 #if __UNLEASHED_VISIBLE
 234
 235 #include <inttypes.h>
 236 extern uint32_t arc4random(void);
 237 extern void arc4random_buf(void *, size_t);
 238 extern uint32_t arc4random_uniform(uint32_t);
 239 long long strtonum(const char *, long long, long long, const char **);
 240
 241 #endif  /* __UNLEASHED_VISIBLE */
 242
 243 /* FIXME: source compat: these are libc aliases to non-64 versions */
 244 int mkstemp64(char *);
 245 int mkstemps64(char *, int);
 246 int mkostemp64(char *, int);
 247 int mkostemps64(char *, int, int);
 248
 249 #ifdef  __cplusplus
 250 }
 251 #endif
 252
 253 #endif  /* _STDLIB_H */