144 lines
3.9 KiB
C
144 lines
3.9 KiB
C
/*
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* Copyright (c) 1983, 1988, 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. 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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#ifndef SYSKLOGD_COMPAT_H_
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#define SYSKLOGD_COMPAT_H_
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#include <config.h>
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#include <pthread.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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/*
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* The following macro is used to remove const cast-away warnings
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* from gcc -Wcast-qual; it should be used with caution because it
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* can hide valid errors; in particular most valid uses are in
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* situations where the API requires it, not to cast away string
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* constants. We don't use *intptr_t on purpose here and we are
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* explicit about unsigned long so that we don't have additional
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* dependencies.
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*/
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#define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
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/* Pthread wrapper for BSD LWP mutexes */
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typedef pthread_mutex_t mutex_t;
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#ifndef mutex_lock
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#define MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
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#define mutex_lock(m) pthread_mutex_lock(m)
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#define mutex_unlock(m) pthread_mutex_unlock(m)
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#endif
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/* BSD have sa_len, Linux/GNU doesn't, added with 4.3-Reno */
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#if defined(_AIX) || (defined(BSD) && (BSD >= 199006))
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#define HAVE_SA_LEN
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#endif
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#ifndef HAVE_STRLCPY
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#define strlcpy __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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#define strlcat __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_PIDFILE
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#define pidfile __pidfile
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int pidfile(const char *basename);
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#endif
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#ifndef HAVE_UTIMENSAT
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#define utimensat __utimensat
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int utimensat(int dirfd, const char *pathname, const struct timespec ts[2], int flags);
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#endif
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#ifndef HAVE_GETPROGNAME
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static inline char *getprogname(void)
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{
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extern char *__progname;
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return __progname;
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}
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#endif
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#ifndef HAVE_STRTOBYTES
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static inline int strtobytes(char *arg)
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{
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int mod = 0, bytes;
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size_t pos;
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if (!arg)
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return -1;
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pos = strspn(arg, "0123456789");
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if (arg[pos] != 0) {
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if (arg[pos] == 'G')
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mod = 3;
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else if (arg[pos] == 'M')
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mod = 2;
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else if (arg[pos] == 'k')
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mod = 1;
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else
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return -1;
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arg[pos] = 0;
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}
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bytes = atoi(arg);
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while (mod--)
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bytes *= 1000;
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return bytes;
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}
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#endif
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static inline void parse_rotation(char *optarg, off_t *size, int *num)
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{
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char buf[100];
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char *c;
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int sz = 0, cnt = 0;
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strlcpy(buf, optarg, sizeof(buf));
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c = strchr(buf, ':');
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if (c) {
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*c++ = 0;
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cnt = atoi(c);
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}
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sz = strtobytes(buf);
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if (sz > 0)
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*size = sz;
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if (cnt > 0)
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*num = cnt;
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}
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#endif /* SYSKLOGD_COMPAT_H_ */
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