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afffd31036
If the system (or one of the dependencies) implements memmem but does not define the header, we would not declare it either resulting in compiler warnings. Check for declaration explicitly. bz#3102.
363 lines
8.8 KiB
C
363 lines
8.8 KiB
C
/*
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* Copyright (c) 1999-2003 Damien Miller. All rights reserved.
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* Copyright (c) 2003 Ben Lindstrom. All rights reserved.
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* Copyright (c) 2002 Tim Rice. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _OPENBSD_COMPAT_H
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#define _OPENBSD_COMPAT_H
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#include "includes.h"
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#include <sys/types.h>
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#include <pwd.h>
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#include <sys/socket.h>
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#include <stddef.h> /* for wchar_t */
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/* OpenBSD function replacements */
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#include "base64.h"
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#include "sigact.h"
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#include "readpassphrase.h"
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#include "vis.h"
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#include "getrrsetbyname.h"
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#include "sha1.h"
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#include "sha2.h"
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#include "rmd160.h"
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#include "md5.h"
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#include "blf.h"
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#include "fnmatch.h"
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#ifndef HAVE_BASENAME
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char *basename(const char *path);
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#endif
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#ifndef HAVE_BINDRESVPORT_SA
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int bindresvport_sa(int sd, struct sockaddr *sa);
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#endif
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#ifndef HAVE_CLOSEFROM
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void closefrom(int);
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#endif
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#ifndef HAVE_GETLINE
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#include <stdio.h>
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ssize_t getline(char **, size_t *, FILE *);
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#endif
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#ifndef HAVE_GETPAGESIZE
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int getpagesize(void);
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#endif
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#ifndef HAVE_GETCWD
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char *getcwd(char *pt, size_t size);
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#endif
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#if defined(HAVE_DECL_MEMMEM) && HAVE_DECL_MEMMEM == 0
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void *memmem(const void *, size_t, const void *, size_t);
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#endif
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#ifndef HAVE_REALLOCARRAY
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void *reallocarray(void *, size_t, size_t);
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#endif
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#ifndef HAVE_RECALLOCARRAY
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void *recallocarray(void *, size_t, size_t, size_t);
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#endif
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#ifndef HAVE_RRESVPORT_AF
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int rresvport_af(int *alport, sa_family_t af);
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#endif
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#ifndef HAVE_STRLCPY
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size_t strlcpy(char *dst, const char *src, size_t siz);
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#endif
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#ifndef HAVE_STRLCAT
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size_t strlcat(char *dst, const char *src, size_t siz);
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#endif
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#ifndef HAVE_STRCASESTR
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char *strcasestr(const char *, const char *);
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#endif
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#ifndef HAVE_STRNLEN
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size_t strnlen(const char *, size_t);
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#endif
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#ifndef HAVE_STRNDUP
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char *strndup(const char *s, size_t n);
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#endif
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#ifndef HAVE_SETENV
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int setenv(register const char *name, register const char *value, int rewrite);
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#endif
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#ifndef HAVE_STRMODE
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void strmode(int mode, char *p);
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#endif
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#ifndef HAVE_STRPTIME
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#include <time.h>
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char *strptime(const char *buf, const char *fmt, struct tm *tm);
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#endif
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#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
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int mkstemps(char *path, int slen);
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int mkstemp(char *path);
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char *mkdtemp(char *path);
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#endif
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#ifndef HAVE_DAEMON
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int daemon(int nochdir, int noclose);
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#endif
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#ifndef HAVE_DIRNAME
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char *dirname(const char *path);
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#endif
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#ifndef HAVE_FMT_SCALED
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#define FMT_SCALED_STRSIZE 7
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int fmt_scaled(long long number, char *result);
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#endif
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#ifndef HAVE_SCAN_SCALED
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int scan_scaled(char *, long long *);
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#endif
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#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
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char *inet_ntoa(struct in_addr in);
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#endif
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#ifndef HAVE_INET_NTOP
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const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
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#endif
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#ifndef HAVE_INET_ATON
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int inet_aton(const char *cp, struct in_addr *addr);
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#endif
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#ifndef HAVE_STRSEP
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char *strsep(char **stringp, const char *delim);
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#endif
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#ifndef HAVE_SETPROCTITLE
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void setproctitle(const char *fmt, ...);
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void compat_init_setproctitle(int argc, char *argv[]);
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#endif
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#ifndef HAVE_GETGROUPLIST
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int getgrouplist(const char *, gid_t, gid_t *, int *);
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#endif
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#if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
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int BSDgetopt(int argc, char * const *argv, const char *opts);
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#include "openbsd-compat/getopt.h"
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#endif
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#if ((defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0) || \
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(defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0))
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# include <sys/types.h>
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# include <sys/uio.h>
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# if defined(HAVE_DECL_READV) && HAVE_DECL_READV == 0
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int readv(int, struct iovec *, int);
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# endif
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# if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
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int writev(int, struct iovec *, int);
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# endif
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#endif
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/* Home grown routines */
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#include "bsd-misc.h"
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#include "bsd-setres_id.h"
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#include "bsd-signal.h"
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#include "bsd-statvfs.h"
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#include "bsd-waitpid.h"
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#include "bsd-poll.h"
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#ifndef HAVE_GETPEEREID
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int getpeereid(int , uid_t *, gid_t *);
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#endif
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#ifdef HAVE_ARC4RANDOM
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# ifndef HAVE_ARC4RANDOM_STIR
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# define arc4random_stir()
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# endif
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#else
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unsigned int arc4random(void);
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void arc4random_stir(void);
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#endif /* !HAVE_ARC4RANDOM */
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#ifndef HAVE_ARC4RANDOM_BUF
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void arc4random_buf(void *, size_t);
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#endif
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#ifndef HAVE_ARC4RANDOM_UNIFORM
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u_int32_t arc4random_uniform(u_int32_t);
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#endif
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#ifndef HAVE_ASPRINTF
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int asprintf(char **, const char *, ...);
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#endif
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#ifndef HAVE_OPENPTY
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# include <sys/ioctl.h> /* for struct winsize */
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int openpty(int *, int *, char *, struct termios *, struct winsize *);
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#endif /* HAVE_OPENPTY */
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#ifndef HAVE_SNPRINTF
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int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
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#endif
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#ifndef HAVE_STRTOLL
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long long strtoll(const char *, char **, int);
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#endif
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#ifndef HAVE_STRTOUL
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unsigned long strtoul(const char *, char **, int);
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#endif
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#ifndef HAVE_STRTOULL
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unsigned long long strtoull(const char *, char **, int);
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#endif
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#ifndef HAVE_STRTONUM
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long long strtonum(const char *, long long, long long, const char **);
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#endif
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/* multibyte character support */
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#ifndef HAVE_MBLEN
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# define mblen(x, y) (1)
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#endif
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#ifndef HAVE_WCWIDTH
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# define wcwidth(x) (((x) >= 0x20 && (x) <= 0x7e) ? 1 : -1)
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/* force our no-op nl_langinfo and mbtowc */
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# undef HAVE_NL_LANGINFO
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# undef HAVE_MBTOWC
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# undef HAVE_LANGINFO_H
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#endif
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#ifndef HAVE_NL_LANGINFO
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# define nl_langinfo(x) ""
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#endif
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#ifndef HAVE_MBTOWC
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int mbtowc(wchar_t *, const char*, size_t);
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#endif
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#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
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# include <stdarg.h>
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#endif
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/*
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* Some platforms unconditionally undefine va_copy() so we define VA_COPY()
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* instead. This is known to be the case on at least some configurations of
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* AIX with the xlc compiler.
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*/
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#ifndef VA_COPY
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# ifdef HAVE_VA_COPY
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# define VA_COPY(dest, src) va_copy(dest, src)
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# else
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# ifdef HAVE___VA_COPY
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# define VA_COPY(dest, src) __va_copy(dest, src)
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# else
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# define VA_COPY(dest, src) (dest) = (src)
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# endif
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# endif
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#endif
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#ifndef HAVE_VASPRINTF
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int vasprintf(char **, const char *, va_list);
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#endif
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#ifndef HAVE_VSNPRINTF
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int vsnprintf(char *, size_t, const char *, va_list);
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#endif
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#ifndef HAVE_USER_FROM_UID
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char *user_from_uid(uid_t, int);
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#endif
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#ifndef HAVE_GROUP_FROM_GID
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char *group_from_gid(gid_t, int);
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#endif
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#ifndef HAVE_TIMINGSAFE_BCMP
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int timingsafe_bcmp(const void *, const void *, size_t);
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#endif
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#ifndef HAVE_BCRYPT_PBKDF
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int bcrypt_pbkdf(const char *, size_t, const u_int8_t *, size_t,
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u_int8_t *, size_t, unsigned int);
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#endif
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#ifndef HAVE_EXPLICIT_BZERO
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void explicit_bzero(void *p, size_t n);
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#endif
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#ifndef HAVE_FREEZERO
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void freezero(void *, size_t);
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#endif
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#ifndef HAVE_LOCALTIME_R
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struct tm *localtime_r(const time_t *, struct tm *);
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#endif
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char *xcrypt(const char *password, const char *salt);
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char *shadow_pw(struct passwd *pw);
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/* rfc2553 socket API replacements */
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#include "fake-rfc2553.h"
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/* Routines for a single OS platform */
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#include "bsd-cygwin_util.h"
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#include "port-aix.h"
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#include "port-irix.h"
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#include "port-linux.h"
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#include "port-solaris.h"
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#include "port-net.h"
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#include "port-uw.h"
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/* _FORTIFY_SOURCE breaks FD_ISSET(n)/FD_SET(n) for n > FD_SETSIZE. Avoid. */
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#if defined(HAVE_FEATURES_H) && defined(_FORTIFY_SOURCE)
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# include <features.h>
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# if defined(__GNU_LIBRARY__) && defined(__GLIBC_PREREQ)
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# if __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0)
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# include <sys/socket.h> /* Ensure include guard is defined */
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# undef FD_SET
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# undef FD_ISSET
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# define FD_SET(n, set) kludge_FD_SET(n, set)
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# define FD_ISSET(n, set) kludge_FD_ISSET(n, set)
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void kludge_FD_SET(int, fd_set *);
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int kludge_FD_ISSET(int, fd_set *);
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# endif /* __GLIBC_PREREQ(2, 15) && (_FORTIFY_SOURCE > 0) */
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# endif /* __GNU_LIBRARY__ && __GLIBC_PREREQ */
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#endif /* HAVE_FEATURES_H && _FORTIFY_SOURCE */
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#endif /* _OPENBSD_COMPAT_H */
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