xref: /titanic_52/usr/src/head/stdlib.h (revision 912b6a6834c8ed184bcfcfbcf56f398093a3182f)
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  #if defined(__EXTENSIONS__) || \
139  	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
140  	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
141  extern int rand_r(unsigned int *);
142  #endif
143  
144  extern void _exithandle(void);
145  
146  #if defined(__EXTENSIONS__) || \
147  	(!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
148  	defined(_XPG4)
149  extern double drand48(void);
150  extern double erand48(unsigned short *);
151  extern long jrand48(unsigned short *);
152  extern void lcong48(unsigned short *);
153  extern long lrand48(void);
154  extern long mrand48(void);
155  extern long nrand48(unsigned short *);
156  extern unsigned short *seed48(unsigned short *);
157  extern void srand48(long);
158  extern int putenv(char *);
159  extern void setkey(const char *);
160  #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
161  
162  /*
163   * swab() has historically been in <stdlib.h> as delivered from AT&T
164   * and continues to be visible in the default compilation environment.
165   * As of Issue 4 of the X/Open Portability Guides, swab() was declared
166   * in <unistd.h>. As a result, with respect to X/Open namespace the
167   * swab() declaration in this header is only visible for the XPG3
168   * environment.
169   */
170  #if (defined(__EXTENSIONS__) || \
171  	(!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \
172  	(!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
173  #ifndef	_SSIZE_T
174  #define	_SSIZE_T
175  #if defined(_LP64) || defined(_I32LPx)
176  typedef long	ssize_t;	/* size of something in bytes or -1 */
177  #else
178  typedef int	ssize_t;	/* (historical version) */
179  #endif
180  #endif	/* !_SSIZE_T */
181  
182  extern void swab(const char *, char *, ssize_t);
183  #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
184  
185  #if defined(__EXTENSIONS__) || \
186  	!defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
187  	(defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
188  extern int	mkstemp(char *);
189  #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
190  extern int	mkstemps(char *, int);
191  #endif
192  #endif /* defined(__EXTENSIONS__) ... */
193  
194  #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
195  	    !defined(__PRAGMA_REDEFINE_EXTNAME))
196  extern int	mkstemp64(char *);
197  #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
198  extern int	mkstemps64(char *, int);
199  #endif
200  #endif	/* _LARGEFILE64_SOURCE... */
201  
202  #if !defined(_STRICT_SYMBOLS) || defined(_XPG7)
203  extern char	*mkdtemp(char *);
204  #endif	/* !defined(_STRICT_SYMBOLS) || defined(_XPG7) */
205  
206  #if !defined(_STRICT_SYMBOLS)
207  extern int		mkostemp(char *, int);
208  extern int		mkostemps(char *, int, int);
209  #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
210  		!defined(__PRAGMA_REDEFINE_EXTNAME))
211  extern int		mkostemp64(char *, int);
212  extern int		mkostemps64(char *, int, int);
213  #endif	/* defined(_LARGEFILE64_SOURCE) || !((_FILE_OFFSET_BITS == 64) ... */
214  #endif	/* !defined(_STRICT_SYMBOLS) */
215  
216  #if defined(__EXTENSIONS__) || \
217  	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
218  	defined(_XPG4_2)
219  extern long a64l(const char *);
220  extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
221  extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
222  extern char *gcvt(double, int, char *);
223  extern int getsubopt(char **, char *const *, char **);
224  extern int  grantpt(int);
225  extern char *initstate(unsigned, char *, size_t);
226  extern char *l64a(long);
227  extern char *mktemp(char *);
228  extern char *ptsname(int);
229  extern long random(void);
230  extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
231  extern char *setstate(const char *);
232  extern void srandom(unsigned);
233  extern int  unlockpt(int);
234  /* Marked LEGACY in SUSv2 and removed in SUSv3 */
235  #if !defined(_XPG6) || defined(__EXTENSIONS__)
236  extern int ttyslot(void);
237  extern void *valloc(size_t);
238  #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
239  #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
240  
241  #if defined(__EXTENSIONS__) || \
242  	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
243  	defined(_XPG6)
244  extern int posix_memalign(void **, size_t, size_t);
245  extern int posix_openpt(int);
246  extern int setenv(const char *, const char *, int);
247  extern int unsetenv(const char *);
248  #endif
249  
250  #if defined(__EXTENSIONS__) || \
251  	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
252  extern char *canonicalize_file_name(const char *);
253  extern int clearenv(void);
254  extern void closefrom(int);
255  extern int daemon(int, int);
256  extern int dup2(int, int);
257  extern int dup3(int, int, int);
258  extern int fdwalk(int (*)(void *, int), void *);
259  extern char *qecvt(long double, int, int *, int *);
260  extern char *qfcvt(long double, int, int *, int *);
261  extern char *qgcvt(long double, int, char *);
262  extern char *getcwd(char *, size_t);
263  extern const char *getexecname(void);
264  
265  #ifndef	__GETLOGIN_DEFINED	/* Avoid duplicate in unistd.h */
266  #define	__GETLOGIN_DEFINED
267  #ifndef	__USE_LEGACY_LOGNAME__
268  #ifdef	__PRAGMA_REDEFINE_EXTNAME
269  #pragma	redefine_extname getlogin getloginx
270  #else	/* __PRAGMA_REDEFINE_EXTNAME */
271  extern char *getloginx(void);
272  #define	getlogin	getloginx
273  #endif	/* __PRAGMA_REDEFINE_EXTNAME */
274  #endif	/* __USE_LEGACY_LOGNAME__ */
275  extern char *getlogin(void);
276  #endif	/* __GETLOGIN_DEFINED */
277  
278  extern int getopt(int, char *const *, const char *);
279  extern char *optarg;
280  extern int optind, opterr, optopt;
281  extern char *getpass(const char *);
282  extern char *getpassphrase(const char *);
283  extern int getpw(uid_t, char *);
284  extern int isatty(int);
285  extern void *memalign(size_t, size_t);
286  extern char *ttyname(int);
287  extern char *mkdtemp(char *);
288  extern const char *getprogname(void);
289  extern void setprogname(const char *);
290  
291  #if !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE)
292  extern char *lltostr(long long, char *);
293  extern char *ulltostr(unsigned long long, char *);
294  #endif	/* !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) */
295  
296  #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
297  
298  /* OpenBSD compatibility functions */
299  #if !defined(_STRICT_SYMBOLS)
300  
301  #include <inttypes.h>
302  extern uint32_t arc4random(void);
303  extern void arc4random_buf(void *, size_t);
304  extern uint32_t arc4random_uniform(uint32_t);
305  
306  #endif	/* !_STRICT_SYBMOLS */
307  
308  
309  #ifdef	__cplusplus
310  }
311  #endif
312  
313  #endif	/* _STDLIB_H */
314