rmilter/include/util.h
2015-07-06 14:17:27 +01:00

60 lines
2.3 KiB
C

/* Copyright (c) 2013, Vsevolod Stakhov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef UTIL_H_
#define UTIL_H_
#include "config.h"
/**
* Copy src to dest limited to len, in compare with standard strlcpy(3) rmilter_strlcpy does not
* traverse the whole string and it is possible to use it for non NULL terminated strings. This is
* more like memccpy(dst, src, size, '\0')
*
* @param dst destination string
* @param src source string
* @param siz length of destination buffer
* @return bytes copied
*/
size_t rmilter_strlcpy (char *dst, const char *src, size_t siz);
typedef struct rmilter_pidfh_s {
int pf_fd;
#ifdef HAVE_PATH_MAX
char pf_path[PATH_MAX + 1];
#elif defined(HAVE_MAXPATHLEN)
char pf_path[MAXPATHLEN + 1];
#else
char pf_path[1024 + 1];
#endif
dev_t pf_dev;
ino_t pf_ino;
} rmilter_pidfh_t;
rmilter_pidfh_t * rmilter_pidfile_open (const char *path,
mode_t mode,
pid_t *pidptr);
int rmilter_pidfile_write (rmilter_pidfh_t *pfh);
int rmilter_pidfile_close (rmilter_pidfh_t *pfh);
int rmilter_pidfile_remove (rmilter_pidfh_t *pfh);
#endif /* UTIL_H_ */