xref: /minix/include/stdlib.h (revision e1cdaee1)
1 /*	$NetBSD: stdlib.h,v 1.115 2015/02/17 20:33:40 joerg Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)stdlib.h	8.5 (Berkeley) 5/19/95
32  */
33 
34 #ifndef _STDLIB_H_
35 #define _STDLIB_H_
36 
37 #include <sys/cdefs.h>
38 #include <sys/featuretest.h>
39 
40 #if defined(_NETBSD_SOURCE)
41 #include <sys/types.h>		/* for quad_t, etc. */
42 #endif
43 
44 #include <machine/ansi.h>
45 
46 #ifdef	_BSD_SIZE_T_
47 typedef	_BSD_SIZE_T_	size_t;
48 #undef	_BSD_SIZE_T_
49 #endif
50 
51 #if defined(_BSD_WCHAR_T_) && !defined(__cplusplus)
52 typedef	_BSD_WCHAR_T_	wchar_t;
53 #undef	_BSD_WCHAR_T_
54 #endif
55 
56 typedef struct {
57 	int quot;		/* quotient */
58 	int rem;		/* remainder */
59 } div_t;
60 
61 typedef struct {
62 	long quot;		/* quotient */
63 	long rem;		/* remainder */
64 } ldiv_t;
65 
66 #if !defined(_ANSI_SOURCE) && \
67     (defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
68      (__cplusplus - 0) >= 201103L || defined(_NETBSD_SOURCE))
69 typedef struct {
70 	/* LONGLONG */
71 	long long int quot;	/* quotient */
72 	/* LONGLONG */
73 	long long int rem;	/* remainder */
74 } lldiv_t;
75 #endif
76 
77 #if defined(_NETBSD_SOURCE)
78 typedef struct {
79 	quad_t quot;		/* quotient */
80 	quad_t rem;		/* remainder */
81 } qdiv_t;
82 #endif
83 
84 
85 #include <sys/null.h>
86 
87 #define	EXIT_FAILURE	1
88 #define	EXIT_SUCCESS	0
89 
90 #define	RAND_MAX	0x7fffffff
91 
92 extern size_t __mb_cur_max;
93 #define	MB_CUR_MAX	__mb_cur_max
94 
95 __BEGIN_DECLS
96 __dead	 void _Exit(int);
97 __dead	 void abort(void);
98 __pure	 int abs(int);
99 int	 atexit(void (*)(void));
100 double	 atof(const char *);
101 int	 atoi(const char *);
102 long	 atol(const char *);
103 #ifndef __BSEARCH_DECLARED
104 #define __BSEARCH_DECLARED
105 /* also in search.h */
106 void	*bsearch(const void *, const void *, size_t, size_t,
107     int (*)(const void *, const void *));
108 #endif /* __BSEARCH_DECLARED */
109 void	*calloc(size_t, size_t);
110 div_t	 div(int, int);
111 __dead	 void exit(int);
112 void	 free(void *);
113 __aconst char *getenv(const char *);
114 __pure long
115 	 labs(long);
116 ldiv_t	 ldiv(long, long);
117 void	*malloc(size_t);
118 void	 qsort(void *, size_t, size_t, int (*)(const void *, const void *));
119 int	 rand(void);
120 void	*realloc(void *, size_t);
121 void	 srand(unsigned);
122 double	 strtod(const char * __restrict, char ** __restrict);
123 long	 strtol(const char * __restrict, char ** __restrict, int);
124 unsigned long
125 	 strtoul(const char * __restrict, char ** __restrict, int);
126 #ifdef _OPENBSD_SOURCE
127 long long strtonum(const char *, long long, long long, const char **);
128 void	*reallocarray(void *, size_t, size_t);
129 #endif
130 int	 system(const char *);
131 
132 /* These are currently just stubs. */
133 int	 mblen(const char *, size_t);
134 size_t	 mbstowcs(wchar_t * __restrict, const char * __restrict, size_t);
135 int	 wctomb(char *, wchar_t);
136 int	 mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
137 size_t	 wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
138 
139 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
140     defined(_NETBSD_SOURCE)
141 
142 
143 /*
144  * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
145  */
146 #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
147     defined(_REENTRANT) || defined(_NETBSD_SOURCE)
148 int	 rand_r(unsigned int *);
149 #endif
150 
151 
152 /*
153  * X/Open Portability Guide >= Issue 4
154  */
155 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
156 double	 drand48(void);
157 double	 erand48(unsigned short[3]);
158 long	 jrand48(unsigned short[3]);
159 void	 lcong48(unsigned short[7]);
160 long	 lrand48(void);
161 long	 mrand48(void);
162 long	 nrand48(unsigned short[3]);
163 unsigned short *
164 	 seed48(unsigned short[3]);
165 void	 srand48(long);
166 
167 #ifndef __LIBC12_SOURCE__
168 int	 putenv(char *) __RENAME(__putenv50);
169 #endif
170 #endif
171 
172 
173 /*
174  * X/Open Portability Guide >= Issue 4 Version 2
175  */
176 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
177     (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
178 long	 a64l(const char *);
179 char	*l64a(long);
180 
181 long	 random(void);
182 char	*setstate(char *);
183 #ifndef __LIBC12_SOURCE__
184 char	*initstate(unsigned int, char *, size_t) __RENAME(__initstate60);
185 void	 srandom(unsigned int) __RENAME(__srandom60);
186 #endif
187 #ifdef _NETBSD_SOURCE
188 #define	RANDOM_MAX	0x7fffffff	/* (((long)1 << 31) - 1) */
189 int	 mkostemp(char *, int);
190 int	 mkostemps(char *, int, int);
191 #endif
192 
193 char	*mkdtemp(char *);
194 int	 mkstemp(char *);
195 char	*mktemp(char *)
196 #ifdef __MKTEMP_OK__
197 	__RENAME(_mktemp)
198 #endif
199 	;
200 
201 int	 setkey(const char *);
202 
203 char	*realpath(const char * __restrict, char * __restrict);
204 
205 int	 ttyslot(void);
206 
207 void	*valloc(size_t);		/* obsoleted by malloc() */
208 
209 int	 grantpt(int);
210 int	 unlockpt(int);
211 char	*ptsname(int);
212 #endif
213 
214 /*
215  * ISO C99
216  */
217 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
218     defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
219 
220 /* LONGLONG */
221 long long int	atoll(const char *);
222 /* LONGLONG */
223 long long int	llabs(long long int);
224 /* LONGLONG */
225 lldiv_t		lldiv(long long int, long long int);
226 /* LONGLONG */
227 long long int	strtoll(const char * __restrict, char ** __restrict, int);
228 /* LONGLONG */
229 unsigned long long int
230 		strtoull(const char * __restrict, char ** __restrict, int);
231 float		strtof(const char * __restrict, char ** __restrict);
232 long double	strtold(const char * __restrict, char ** __restrict);
233 #endif
234 
235 #if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L || \
236     defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L
237 int	at_quick_exit(void (*)(void));
238 __dead void quick_exit(int);
239 #endif
240 
241 /*
242  * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
243  */
244 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \
245     defined(_NETBSD_SOURCE)
246 int	 setenv(const char *, const char *, int);
247 #ifndef __LIBC12_SOURCE__
248 int	 unsetenv(const char *) __RENAME(__unsetenv13);
249 #endif
250 
251 int	 posix_openpt(int);
252 int	 posix_memalign(void **, size_t, size_t);
253 #endif
254 
255 /*
256  * Implementation-defined extensions
257  */
258 #if defined(_NETBSD_SOURCE)
259 #if defined(alloca) && (alloca == __builtin_alloca) && \
260 	defined(__GNUC__) && (__GNUC__ < 2)
261 void	*alloca(int);     /* built-in for gcc */
262 #elif defined(__PCC__) && !defined(__GNUC__)
263 #define alloca(size) __builtin_alloca(size)
264 #else
265 void	*alloca(size_t);
266 #endif /* __GNUC__ */
267 
268 uint32_t arc4random(void);
269 void	 arc4random_stir(void);
270 void	 arc4random_buf(void *, size_t);
271 uint32_t arc4random_uniform(uint32_t);
272 void	 arc4random_addrandom(u_char *, int);
273 char	*getbsize(int *, long *);
274 char	*cgetcap(char *, const char *, int);
275 int	 cgetclose(void);
276 int	 cgetent(char **, const char * const *, const char *);
277 int	 cgetfirst(char **, const char * const *);
278 int	 cgetmatch(const char *, const char *);
279 int	 cgetnext(char **, const char * const *);
280 int	 cgetnum(char *, const char *, long *);
281 int	 cgetset(const char *);
282 int	 cgetstr(char *, const char *, char **);
283 int	 cgetustr(char *, const char *, char **);
284 void	 csetexpandtc(int);
285 
286 int	 daemon(int, int);
287 int	 devname_r(dev_t, mode_t, char *, size_t);
288 #ifndef __LIBC12_SOURCE__
289 __aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
290 #endif
291 
292 #define	HN_DECIMAL		0x01
293 #define	HN_NOSPACE		0x02
294 #define	HN_B			0x04
295 #define	HN_DIVISOR_1000		0x08
296 
297 #define	HN_GETSCALE		0x10
298 #define	HN_AUTOSCALE		0x20
299 
300 int	 humanize_number(char *, size_t, int64_t, const char *, int, int);
301 int	 dehumanize_number(const char *, int64_t *);
302 
303 devmajor_t getdevmajor(const char *, mode_t);
304 int	 getloadavg(double [], int);
305 
306 int	 getenv_r(const char *, char *, size_t);
307 
308 void	 cfree(void *);
309 
310 int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
311 int	 mergesort(void *, size_t, size_t,
312 	    int (*)(const void *, const void *));
313 int	 ptsname_r(int, char *, size_t);
314 int	 radixsort(const unsigned char **, int, const unsigned char *,
315 	    unsigned);
316 int	 sradixsort(const unsigned char **, int, const unsigned char *,
317 	    unsigned);
318 
319 void	 mi_vector_hash(const void * __restrict, size_t, uint32_t,
320 	    uint32_t[3]);
321 
322 void	 setproctitle(const char *, ...)
323 	    __printflike(1, 2);
324 const char *getprogname(void) __constfunc;
325 void	setprogname(const char *);
326 
327 quad_t	 qabs(quad_t);
328 quad_t	 strtoq(const char * __restrict, char ** __restrict, int);
329 u_quad_t strtouq(const char * __restrict, char ** __restrict, int);
330 
331 	/* LONGLONG */
332 long long strsuftoll(const char *, const char *, long long, long long);
333 	/* LONGLONG */
334 long long strsuftollx(const char *, const char *, long long, long long,
335 	    		char *, size_t);
336 
337 int	 l64a_r(long, char *, int);
338 
339 size_t	shquote(const char *, char *, size_t);
340 size_t	shquotev(int, char * const *, char *, size_t);
341 
342 int	reallocarr(void *, size_t, size_t);
343 #endif /* _NETBSD_SOURCE */
344 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
345 
346 #if defined(_NETBSD_SOURCE)
347 qdiv_t	 qdiv(quad_t, quad_t);
348 #endif
349 
350 #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
351 #  ifndef __LOCALE_T_DECLARED
352 typedef struct _locale		*locale_t;
353 #  define __LOCALE_T_DECLARED
354 #  endif
355 double		strtod_l(const char * __restrict, char ** __restrict, locale_t);
356 float		strtof_l(const char * __restrict, char ** __restrict, locale_t);
357 long double	strtold_l(const char * __restrict, char ** __restrict,
358 			  locale_t);
359 long	 strtol_l(const char * __restrict, char ** __restrict, int, locale_t);
360 unsigned long
361 	 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t);
362 /* LONGLONG */
363 long long int
364 	strtoll_l(const char * __restrict, char ** __restrict, int, locale_t);
365 /* LONGLONG */
366 unsigned long long int
367 	strtoull_l(const char * __restrict, char ** __restrict, int, locale_t);
368 
369 #  if defined(_NETBSD_SOURCE)
370 quad_t	 strtoq_l(const char * __restrict, char ** __restrict, int, locale_t);
371 u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t);
372 
373 size_t	_mb_cur_max_l(locale_t);
374 #define	MB_CUR_MAX_L(loc)	_mb_cur_max_l(loc)
375 int	 mblen_l(const char *, size_t, locale_t);
376 size_t	 mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t,
377 		    locale_t);
378 int	 wctomb_l(char *, wchar_t, locale_t);
379 int	 mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t,
380 	          locale_t);
381 size_t	 wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t,
382 		    locale_t);
383 
384 #  endif /* _NETBSD_SOURCE */
385 #endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */
386 
387 __END_DECLS
388 
389 #endif /* !_STDLIB_H_ */
390