xref: /illumos-gate/usr/src/head/stdlib.h (revision 60c49c69)
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 (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
27 
28 /*	Copyright (c) 1988 AT&T	*/
29 /*	  All Rights Reserved  	*/
30 
31 #ifndef _STDLIB_H
32 #define	_STDLIB_H
33 
34 #include <iso/stdlib_iso.h>
35 #include <iso/stdlib_c99.h>
36 
37 #if defined(__EXTENSIONS__) || defined(_XPG4)
38 #include <sys/wait.h>
39 #endif
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 #ifdef	__cplusplus
80 extern "C" {
81 #endif
82 
83 #ifndef _UID_T
84 #define	_UID_T
85 typedef	unsigned int	uid_t;		/* UID type		*/
86 #endif	/* !_UID_T */
87 
88 #if defined(__STDC__)
89 
90 /* large file compilation environment setup */
91 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
92 
93 #ifdef	__PRAGMA_REDEFINE_EXTNAME
94 #pragma redefine_extname	mkstemp		mkstemp64
95 #pragma redefine_extname	mkstemps	mkstemps64
96 #else	/* __PRAGMA_REDEFINE_EXTNAME */
97 #define	mkstemp			mkstemp64
98 #define	mkstemps		mkstemps64
99 #endif	/* __PRAGMA_REDEFINE_EXTNAME */
100 
101 #endif	/* _FILE_OFFSET_BITS == 64 */
102 
103 /* In the LP64 compilation environment, all APIs are already large file */
104 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
105 
106 #ifdef	__PRAGMA_REDEFINE_EXTNAME
107 #pragma redefine_extname	mkstemp64	mkstemp
108 #pragma redefine_extname	mkstemps64	mkstemps
109 #else	/* __PRAGMA_REDEFINE_EXTNAME */
110 #define	mkstemp64		mkstemp
111 #define	mkstemps64		mkstemps
112 #endif	/* __PRAGMA_REDEFINE_EXTNAME */
113 
114 #endif	/* _LP64 && _LARGEFILE64_SOURCE */
115 
116 #if defined(__EXTENSIONS__) || \
117 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
118 	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
119 extern int rand_r(unsigned int *);
120 #endif
121 
122 extern void _exithandle(void);
123 
124 #if defined(__EXTENSIONS__) || \
125 	(!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
126 	defined(_XPG4)
127 extern double drand48(void);
128 extern double erand48(unsigned short *);
129 extern long jrand48(unsigned short *);
130 extern void lcong48(unsigned short *);
131 extern long lrand48(void);
132 extern long mrand48(void);
133 extern long nrand48(unsigned short *);
134 extern unsigned short *seed48(unsigned short *);
135 extern void srand48(long);
136 extern int putenv(char *);
137 extern void setkey(const char *);
138 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
139 
140 /*
141  * swab() has historically been in <stdlib.h> as delivered from AT&T
142  * and continues to be visible in the default compilation environment.
143  * As of Issue 4 of the X/Open Portability Guides, swab() was declared
144  * in <unistd.h>. As a result, with respect to X/Open namespace the
145  * swab() declaration in this header is only visible for the XPG3
146  * environment.
147  */
148 #if (defined(__EXTENSIONS__) || \
149 	(!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \
150 	(!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
151 #ifndef	_SSIZE_T
152 #define	_SSIZE_T
153 #if defined(_LP64) || defined(_I32LPx)
154 typedef long	ssize_t;	/* size of something in bytes or -1 */
155 #else
156 typedef int	ssize_t;	/* (historical version) */
157 #endif
158 #endif	/* !_SSIZE_T */
159 
160 extern void swab(const char *, char *, ssize_t);
161 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
162 
163 #if defined(__EXTENSIONS__) || \
164 	!defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
165 	(defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
166 extern int	mkstemp(char *);
167 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
168 extern int	mkstemps(char *, int);
169 #endif
170 #endif /* defined(__EXTENSIONS__) ... */
171 
172 #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
173 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
174 extern int	mkstemp64(char *);
175 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
176 extern int	mkstemps64(char *, int);
177 #endif
178 #endif	/* _LARGEFILE64_SOURCE... */
179 
180 #if defined(__EXTENSIONS__) || \
181 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
182 	defined(_XPG4_2)
183 extern long a64l(const char *);
184 extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
185 extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
186 extern char *gcvt(double, int, char *);
187 extern int getsubopt(char **, char *const *, char **);
188 extern int  grantpt(int);
189 extern char *initstate(unsigned, char *, size_t);
190 extern char *l64a(long);
191 extern char *mktemp(char *);
192 extern char *ptsname(int);
193 extern long random(void);
194 extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
195 extern char *setstate(const char *);
196 extern void srandom(unsigned);
197 extern int  unlockpt(int);
198 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
199 #if !defined(_XPG6) || defined(__EXTENSIONS__)
200 extern int ttyslot(void);
201 extern void *valloc(size_t);
202 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
203 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
204 
205 #if defined(__EXTENSIONS__) || \
206 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
207 	defined(_XPG6)
208 extern int posix_memalign(void **, size_t, size_t);
209 extern int posix_openpt(int);
210 extern int setenv(const char *, const char *, int);
211 extern int unsetenv(const char *);
212 #endif
213 
214 #if defined(__EXTENSIONS__) || \
215 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
216 extern char *canonicalize_file_name(const char *);
217 extern int clearenv(void);
218 extern void closefrom(int);
219 extern int daemon(int, int);
220 extern int dup2(int, int);
221 extern int dup3(int, int, int);
222 extern int fdwalk(int (*)(void *, int), void *);
223 extern char *qecvt(long double, int, int *, int *);
224 extern char *qfcvt(long double, int, int *, int *);
225 extern char *qgcvt(long double, int, char *);
226 extern char *getcwd(char *, size_t);
227 extern const char *getexecname(void);
228 extern char *getlogin(void);
229 extern int getopt(int, char *const *, const char *);
230 extern char *optarg;
231 extern int optind, opterr, optopt;
232 extern char *getpass(const char *);
233 extern char *getpassphrase(const char *);
234 extern int getpw(uid_t, char *);
235 extern int isatty(int);
236 extern void *memalign(size_t, size_t);
237 extern char *ttyname(int);
238 extern char *mkdtemp(char *);
239 extern const char *getprogname(void);
240 extern void setprogname(const char *);
241 
242 #if !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE)
243 extern char *lltostr(long long, char *);
244 extern char *ulltostr(unsigned long long, char *);
245 #endif	/* !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) */
246 
247 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
248 
249 #else /* not __STDC__ */
250 
251 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
252 	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
253 extern int rand_r();
254 #endif	/* defined(__EXTENSIONS__) || defined(_REENTRANT) ... */
255 
256 extern void _exithandle();
257 
258 #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) || defined(_XPG4)
259 extern double drand48();
260 extern double erand48();
261 extern long jrand48();
262 extern void lcong48();
263 extern long lrand48();
264 extern long mrand48();
265 extern long nrand48();
266 extern unsigned short *seed48();
267 extern void srand48();
268 extern int putenv();
269 extern void setkey();
270 #endif /* defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) ... */
271 
272 #if (defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE)) && \
273 	(!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
274 extern void swab();
275 #endif
276 
277 #if defined(__EXTENSIONS__) || \
278 	!defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
279 	(defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
280 extern int	mkstemp();
281 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
282 extern int	mkstemps();
283 #endif
284 #endif	/* defined(__EXTENSIONS__) ... */
285 
286 #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
287 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
288 extern int	mkstemp64();
289 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
290 extern int	mkstemps64();
291 #endif
292 #endif	/* _LARGEFILE64_SOURCE... */
293 
294 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2)
295 extern long a64l();
296 extern char *ecvt();
297 extern char *fcvt();
298 extern char *gcvt();
299 extern int getsubopt();
300 extern int grantpt();
301 extern char *initstate();
302 extern char *l64a();
303 extern char *mktemp();
304 extern char *ptsname();
305 extern long random();
306 extern char *realpath();
307 extern char *setstate();
308 extern void srandom();
309 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
310 #if !defined(_XPG6) || defined(__EXTENSIONS__)
311 extern int ttyslot();
312 extern void *valloc();
313 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
314 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
315 
316 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || defined(_XPG6)
317 extern int posix_memalign();
318 extern int posix_openpt();
319 extern int setenv();
320 extern int unsetenv();
321 #endif
322 
323 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
324 extern char *canonicalize_file_name();
325 extern int clearenv();
326 extern void closefrom();
327 extern int daemon();
328 extern int dup2();
329 extern int dup3();
330 extern int fdwalk();
331 extern char *qecvt();
332 extern char *qfcvt();
333 extern char *qgcvt();
334 extern char *getcwd();
335 extern char *getexecname();
336 extern char *getlogin();
337 extern int getopt();
338 extern char *optarg;
339 extern int optind, opterr, optopt;
340 extern char *getpass();
341 extern char *getpassphrase();
342 extern int getpw();
343 extern int isatty();
344 extern void *memalign();
345 extern char *ttyname();
346 extern char *mkdtemp();
347 extern char *getprogname();
348 extern void setprogname();
349 
350 #if defined(_LONGLONG_TYPE)
351 extern char *lltostr();
352 extern char *ulltostr();
353 #endif  /* defined(_LONGLONG_TYPE) */
354 #endif	/* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
355 
356 #endif	/* __STDC__ */
357 
358 #ifdef	__cplusplus
359 }
360 #endif
361 
362 #endif	/* _STDLIB_H */
363