mirror of
https://git.FreeBSD.org/src.git
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c74dfa2faf
providing proper error checking and other improvements. Obtained from: OpenBSD Requested by: flz (to port Open[BGP|OSPF]D) MFC after: 3 days
288 lines
9.1 KiB
C
288 lines
9.1 KiB
C
/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)stdlib.h 8.5 (Berkeley) 5/19/95
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* $FreeBSD$
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*/
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#ifndef _STDLIB_H_
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#define _STDLIB_H_
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#include <sys/cdefs.h>
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#include <sys/_null.h>
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#include <sys/_types.h>
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#if __BSD_VISIBLE
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#ifndef _RUNE_T_DECLARED
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typedef __rune_t rune_t;
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#define _RUNE_T_DECLARED
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#endif
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#endif
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#ifndef _SIZE_T_DECLARED
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typedef __size_t size_t;
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#define _SIZE_T_DECLARED
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#endif
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#ifndef __cplusplus
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#ifndef _WCHAR_T_DECLARED
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typedef __wchar_t wchar_t;
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#define _WCHAR_T_DECLARED
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#endif
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#endif
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typedef struct {
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int quot; /* quotient */
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int rem; /* remainder */
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} div_t;
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typedef struct {
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long quot;
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long rem;
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} ldiv_t;
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#define EXIT_FAILURE 1
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#define EXIT_SUCCESS 0
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#define RAND_MAX 0x7fffffff
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extern int __mb_cur_max;
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#define MB_CUR_MAX __mb_cur_max
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__BEGIN_DECLS
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void abort(void) __dead2;
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void abort2(const char *, int, void **) __dead2;
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int abs(int) __pure2;
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int atexit(void (*)(void));
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double atof(const char *);
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int atoi(const char *);
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long atol(const char *);
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void *bsearch(const void *, const void *, size_t,
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size_t, int (*)(const void *, const void *));
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void *calloc(size_t, size_t);
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div_t div(int, int) __pure2;
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void exit(int) __dead2;
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void free(void *);
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char *getenv(const char *);
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long labs(long) __pure2;
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ldiv_t ldiv(long, long) __pure2;
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void *malloc(size_t);
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int mblen(const char *, size_t);
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size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
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int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
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void qsort(void *, size_t, size_t,
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int (*)(const void *, const void *));
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int rand(void);
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void *realloc(void *, size_t);
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void srand(unsigned);
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double strtod(const char * __restrict, char ** __restrict);
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float strtof(const char * __restrict, char ** __restrict);
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long strtol(const char * __restrict, char ** __restrict, int);
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long double
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strtold(const char * __restrict, char ** __restrict);
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unsigned long
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strtoul(const char * __restrict, char ** __restrict, int);
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int system(const char *);
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int wctomb(char *, wchar_t);
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size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
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/*
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* Functions added in C99 which we make conditionally available in the
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* BSD^C89 namespace if the compiler supports `long long'.
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* The #if test is more complicated than it ought to be because
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* __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long'
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* is not supported in the compilation environment (which therefore means
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* that it can't really be ISO C99).
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*
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* (The only other extension made by C99 in thie header is _Exit().)
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*/
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#if __ISO_C_VISIBLE >= 1999
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#ifdef __LONG_LONG_SUPPORTED
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/* LONGLONG */
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typedef struct {
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long long quot;
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long long rem;
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} lldiv_t;
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/* LONGLONG */
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long long
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atoll(const char *);
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/* LONGLONG */
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long long
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llabs(long long) __pure2;
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/* LONGLONG */
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lldiv_t lldiv(long long, long long) __pure2;
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/* LONGLONG */
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long long
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strtoll(const char * __restrict, char ** __restrict, int);
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/* LONGLONG */
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unsigned long long
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strtoull(const char * __restrict, char ** __restrict, int);
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#endif /* __LONG_LONG_SUPPORTED */
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void _Exit(int) __dead2;
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#endif /* __ISO_C_VISIBLE >= 1999 */
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/*
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* Extensions made by POSIX relative to C. We don't know yet which edition
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* of POSIX made these extensions, so assume they've always been there until
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* research can be done.
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*/
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#if __POSIX_VISIBLE /* >= ??? */
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int posix_memalign(void **, size_t, size_t); /* (ADV) */
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int rand_r(unsigned *); /* (TSF) */
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int setenv(const char *, const char *, int);
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void unsetenv(const char *);
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#endif
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/*
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* The only changes to the XSI namespace in revision 6 were the deletion
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* of the ttyslot() and valloc() functions, which FreeBSD never declared
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* in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which
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* FreeBSD also does not have, and mktemp(), are to be deleted.
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*/
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#if __XSI_VISIBLE
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/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */
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long a64l(const char *);
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double drand48(void);
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/* char *ecvt(double, int, int * __restrict, int * __restrict); */
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double erand48(unsigned short[3]);
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/* char *fcvt(double, int, int * __restrict, int * __restrict); */
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/* char *gcvt(double, int, int * __restrict, int * __restrict); */
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int getsubopt(char **, char *const *, char **);
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int grantpt(int);
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char *initstate(unsigned long /* XSI requires u_int */, char *, long);
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long jrand48(unsigned short[3]);
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char *l64a(long);
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void lcong48(unsigned short[7]);
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long lrand48(void);
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#ifndef _MKSTEMP_DECLARED
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int mkstemp(char *);
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#define _MKSTEMP_DECLARED
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#endif
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#ifndef _MKTEMP_DECLARED
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char *mktemp(char *);
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#define _MKTEMP_DECLARED
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#endif
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long mrand48(void);
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long nrand48(unsigned short[3]);
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int posix_openpt(int);
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char *ptsname(int);
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int putenv(const char *);
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long random(void);
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char *realpath(const char *, char resolved_path[]);
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unsigned short
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*seed48(unsigned short[3]);
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#ifndef _SETKEY_DECLARED
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int setkey(const char *);
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#define _SETKEY_DECLARED
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#endif
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char *setstate(/* const */ char *);
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void srand48(long);
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void srandom(unsigned long);
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int unlockpt(int);
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#endif /* __XSI_VISIBLE */
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#if __BSD_VISIBLE
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extern const char *_malloc_options;
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extern void (*_malloc_message)(const char *, const char *, const char *,
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const char *);
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/*
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* The alloca() function can't be implemented in C, and on some
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* platforms it can't be implemented at all as a callable function.
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* The GNU C compiler provides a built-in alloca() which we can use;
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* in all other cases, provide a prototype, mainly to pacify various
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* incarnations of lint. On platforms where alloca() is not in libc,
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* programs which use it will fail to link when compiled with non-GNU
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* compilers.
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*/
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#if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
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#undef alloca /* some GNU bits try to get cute and define this on their own */
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#define alloca(sz) __builtin_alloca(sz)
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#elif defined(lint)
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void *alloca(size_t);
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#endif
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__uint32_t
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arc4random(void);
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void arc4random_addrandom(unsigned char *dat, int datlen);
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void arc4random_stir(void);
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char *getbsize(int *, long *);
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/* getcap(3) functions */
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char *cgetcap(char *, const char *, int);
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int cgetclose(void);
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int cgetent(char **, char **, const char *);
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int cgetfirst(char **, char **);
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int cgetmatch(const char *, const char *);
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int cgetnext(char **, char **);
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int cgetnum(char *, const char *, long *);
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int cgetset(const char *);
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int cgetstr(char *, const char *, char **);
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int cgetustr(char *, const char *, char **);
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int daemon(int, int);
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char *devname(__dev_t, __mode_t);
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char *devname_r(__dev_t, __mode_t, char *, int);
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int getloadavg(double [], int);
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__const char *
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getprogname(void);
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int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
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int l64a_r(long, char *, int);
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int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
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void qsort_r(void *, size_t, size_t, void *,
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int (*)(void *, const void *, const void *));
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int radixsort(const unsigned char **, int, const unsigned char *,
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unsigned);
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void *reallocf(void *, size_t);
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int rpmatch(const char *);
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void setprogname(const char *);
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int sradixsort(const unsigned char **, int, const unsigned char *,
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unsigned);
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void sranddev(void);
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void srandomdev(void);
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long long
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strtonum(const char *, long long, long long, const char **);
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/* Deprecated interfaces, to be removed in FreeBSD 6.0. */
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__int64_t
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strtoq(const char *, char **, int);
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__uint64_t
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strtouq(const char *, char **, int);
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extern char *suboptarg; /* getsubopt(3) external variable */
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#endif /* __BSD_VISIBLE */
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__END_DECLS
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#endif /* !_STDLIB_H_ */
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