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60 lines
2.3 KiB
C
60 lines
2.3 KiB
C
/* Copyright (c) 2013, Vsevolod Stakhov
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* 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 are met:
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* * 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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* * 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 ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY 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 THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef UTIL_H_
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#define UTIL_H_
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#include "config.h"
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/**
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* Copy src to dest limited to len, in compare with standard strlcpy(3) rmilter_strlcpy does not
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* traverse the whole string and it is possible to use it for non NULL terminated strings. This is
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* more like memccpy(dst, src, size, '\0')
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*
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* @param dst destination string
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* @param src source string
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* @param siz length of destination buffer
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* @return bytes copied
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*/
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size_t rmilter_strlcpy (char *dst, const char *src, size_t siz);
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typedef struct rmilter_pidfh_s {
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int pf_fd;
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#ifdef HAVE_PATH_MAX
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char pf_path[PATH_MAX + 1];
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#elif defined(HAVE_MAXPATHLEN)
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char pf_path[MAXPATHLEN + 1];
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#else
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char pf_path[1024 + 1];
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#endif
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dev_t pf_dev;
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ino_t pf_ino;
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} rmilter_pidfh_t;
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rmilter_pidfh_t * rmilter_pidfile_open (const char *path,
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mode_t mode,
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pid_t *pidptr);
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int rmilter_pidfile_write (rmilter_pidfh_t *pfh);
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int rmilter_pidfile_close (rmilter_pidfh_t *pfh);
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int rmilter_pidfile_remove (rmilter_pidfh_t *pfh);
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#endif /* UTIL_H_ */
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