stdlib.h revision 1.104
1/*	$NetBSD: stdlib.h,v 1.104 2013/04/19 14:35:31 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_
47typedef	_BSD_SIZE_T_	size_t;
48#undef	_BSD_SIZE_T_
49#endif
50
51#if defined(_BSD_WCHAR_T_) && !defined(__cplusplus)
52typedef	_BSD_WCHAR_T_	wchar_t;
53#undef	_BSD_WCHAR_T_
54#endif
55
56typedef struct {
57	int quot;		/* quotient */
58	int rem;		/* remainder */
59} div_t;
60
61typedef 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     defined(_NETBSD_SOURCE))
69typedef 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)
78typedef 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
92extern 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);
99int	 atexit(void (*)(void));
100double	 atof(const char *);
101int	 atoi(const char *);
102long	 atol(const char *);
103#ifndef __BSEARCH_DECLARED
104#define __BSEARCH_DECLARED
105/* also in search.h */
106void	*bsearch(const void *, const void *, size_t, size_t,
107    int (*)(const void *, const void *));
108#endif /* __BSEARCH_DECLARED */
109void	*calloc(size_t, size_t);
110div_t	 div(int, int);
111__dead	 void exit(int);
112void	 free(void *);
113__aconst char *getenv(const char *);
114__pure long
115	 labs(long);
116ldiv_t	 ldiv(long, long);
117void	*malloc(size_t);
118void	 qsort(void *, size_t, size_t, int (*)(const void *, const void *));
119int	 rand(void);
120void	*realloc(void *, size_t);
121void	 srand(unsigned);
122double	 strtod(const char * __restrict, char ** __restrict);
123long	 strtol(const char * __restrict, char ** __restrict, int);
124unsigned long
125	 strtoul(const char * __restrict, char ** __restrict, int);
126int	 system(const char *);
127
128/* These are currently just stubs. */
129int	 mblen(const char *, size_t);
130size_t	 mbstowcs(wchar_t * __restrict, const char * __restrict, size_t);
131int	 wctomb(char *, wchar_t);
132int	 mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
133size_t	 wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
134
135#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
136    defined(_NETBSD_SOURCE)
137
138
139/*
140 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
141 */
142#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
143    defined(_REENTRANT) || defined(_NETBSD_SOURCE)
144int	 rand_r(unsigned int *);
145#endif
146
147
148/*
149 * X/Open Portability Guide >= Issue 4
150 */
151#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
152double	 drand48(void);
153double	 erand48(unsigned short[3]);
154long	 jrand48(unsigned short[3]);
155void	 lcong48(unsigned short[7]);
156long	 lrand48(void);
157long	 mrand48(void);
158long	 nrand48(unsigned short[3]);
159unsigned short *
160	 seed48(unsigned short[3]);
161void	 srand48(long);
162
163#ifndef __LIBC12_SOURCE__
164int	 putenv(char *) __RENAME(__putenv50);
165#endif
166#endif
167
168
169/*
170 * X/Open Portability Guide >= Issue 4 Version 2
171 */
172#if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
173    (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
174long	 a64l(const char *);
175char	*l64a(long);
176
177char	*initstate(unsigned long, char *, size_t);
178long	 random(void);
179char	*setstate(char *);
180void	 srandom(unsigned long);
181#ifdef _NETBSD_SOURCE
182#define	RANDOM_MAX	0x7fffffff	/* (((long)1 << 31) - 1) */
183#endif
184
185char	*mkdtemp(char *);
186int	 mkstemp(char *);
187char	*mktemp(char *)
188#ifdef __MKTEMP_OK__
189	__RENAME(_mktemp)
190#endif
191	;
192
193int	 setkey(const char *);
194
195char	*realpath(const char * __restrict, char * __restrict);
196
197int	 ttyslot(void);
198
199void	*valloc(size_t);		/* obsoleted by malloc() */
200
201int	 grantpt(int);
202int	 unlockpt(int);
203char	*ptsname(int);
204#endif
205
206/*
207 * ISO C99
208 */
209#if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
210    defined(_NETBSD_SOURCE)
211/* LONGLONG */
212long long int	atoll(const char *);
213/* LONGLONG */
214long long int	llabs(long long int);
215/* LONGLONG */
216lldiv_t		lldiv(long long int, long long int);
217/* LONGLONG */
218long long int	strtoll(const char * __restrict, char ** __restrict, int);
219/* LONGLONG */
220unsigned long long int
221		strtoull(const char * __restrict, char ** __restrict, int);
222float		strtof(const char * __restrict, char ** __restrict);
223long double	strtold(const char * __restrict, char ** __restrict);
224#endif
225
226/*
227 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
228 */
229#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \
230    defined(_NETBSD_SOURCE)
231int	 setenv(const char *, const char *, int);
232#ifndef __LIBC12_SOURCE__
233int	 unsetenv(const char *) __RENAME(__unsetenv13);
234#endif
235
236int	 posix_openpt(int);
237int	 posix_memalign(void **, size_t, size_t);
238#endif
239
240/*
241 * Implementation-defined extensions
242 */
243#if defined(_NETBSD_SOURCE)
244#if defined(alloca) && (alloca == __builtin_alloca) && \
245	defined(__GNUC__) && (__GNUC__ < 2)
246void	*alloca(int);     /* built-in for gcc */
247#elif defined(__PCC__) && !defined(__GNUC__)
248#define alloca(size) __builtin_alloca(size)
249#else
250void	*alloca(size_t);
251#endif /* __GNUC__ */
252
253uint32_t arc4random(void);
254void	 arc4random_stir(void);
255void	 arc4random_buf(void *, size_t);
256uint32_t arc4random_uniform(uint32_t);
257void	 arc4random_addrandom(u_char *, int);
258char	*getbsize(int *, long *);
259char	*cgetcap(char *, const char *, int);
260int	 cgetclose(void);
261int	 cgetent(char **, const char * const *, const char *);
262int	 cgetfirst(char **, const char * const *);
263int	 cgetmatch(const char *, const char *);
264int	 cgetnext(char **, const char * const *);
265int	 cgetnum(char *, const char *, long *);
266int	 cgetset(const char *);
267int	 cgetstr(char *, const char *, char **);
268int	 cgetustr(char *, const char *, char **);
269void	 csetexpandtc(int);
270
271int	 daemon(int, int);
272int	 devname_r(dev_t, mode_t, char *, size_t);
273#ifndef __LIBC12_SOURCE__
274__aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
275#endif
276
277#define	HN_DECIMAL		0x01
278#define	HN_NOSPACE		0x02
279#define	HN_B			0x04
280#define	HN_DIVISOR_1000		0x08
281
282#define	HN_GETSCALE		0x10
283#define	HN_AUTOSCALE		0x20
284
285int	 humanize_number(char *, size_t, int64_t, const char *, int, int);
286int	 dehumanize_number(const char *, int64_t *);
287
288devmajor_t getdevmajor(const char *, mode_t);
289int	 getloadavg(double [], int);
290
291int	 getenv_r(const char *, char *, size_t);
292
293void	 cfree(void *);
294
295int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
296int	 mergesort(void *, size_t, size_t,
297	    int (*)(const void *, const void *));
298int	 radixsort(const unsigned char **, int, const unsigned char *,
299	    unsigned);
300int	 sradixsort(const unsigned char **, int, const unsigned char *,
301	    unsigned);
302
303void	 mi_vector_hash(const void * __restrict, size_t, uint32_t,
304	    uint32_t[3]);
305
306void	 setproctitle(const char *, ...)
307	    __printflike(1, 2);
308const char *getprogname(void) __constfunc;
309void	setprogname(const char *);
310
311quad_t	 qabs(quad_t);
312quad_t	 strtoq(const char * __restrict, char ** __restrict, int);
313u_quad_t strtouq(const char * __restrict, char ** __restrict, int);
314
315	/* LONGLONG */
316long long strsuftoll(const char *, const char *, long long, long long);
317	/* LONGLONG */
318long long strsuftollx(const char *, const char *, long long, long long,
319	    		char *, size_t);
320
321int	 l64a_r(long, char *, int);
322
323size_t	shquote(const char *, char *, size_t);
324size_t	shquotev(int, char * const *, char *, size_t);
325#endif /* _NETBSD_SOURCE */
326#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
327
328#if defined(_NETBSD_SOURCE)
329qdiv_t	 qdiv(quad_t, quad_t);
330#endif
331
332#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
333#  ifndef __LOCALE_T_DECLARED
334typedef struct _locale		*locale_t;
335#  define __LOCALE_T_DECLARED
336#  endif
337double		strtod_l(const char * __restrict, char ** __restrict, locale_t);
338float		strtof_l(const char * __restrict, char ** __restrict, locale_t);
339long double	strtold_l(const char * __restrict, char ** __restrict,
340			  locale_t);
341long	 strtol_l(const char * __restrict, char ** __restrict, int, locale_t);
342unsigned long
343	 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t);
344/* LONGLONG */
345long long int
346	strtoll_l(const char * __restrict, char ** __restrict, int, locale_t);
347/* LONGLONG */
348unsigned long long int
349	strtoull_l(const char * __restrict, char ** __restrict, int, locale_t);
350
351#  if defined(_NETBSD_SOURCE)
352quad_t	 strtoq_l(const char * __restrict, char ** __restrict, int, locale_t);
353u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t);
354
355size_t	_mb_cur_max_l(locale_t);
356#define	MB_CUR_MAX_L(loc)	_mb_cur_max_l(loc)
357int	 mblen_l(const char *, size_t, locale_t);
358size_t	 mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t,
359		    locale_t);
360int	 wctomb_l(char *, wchar_t, locale_t);
361int	 mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t,
362	          locale_t);
363size_t	 wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t,
364		    locale_t);
365
366#  endif /* _NETBSD_SOURCE */
367#endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */
368
369__END_DECLS
370
371#endif /* !_STDLIB_H_ */
372