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/*
Unix SMB/CIFS implementation.
some replacement functions for parts of roken that don't fit easily into
our build system
Copyright (C) Andrew Tridgell 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include "err.h"
#include "roken.h"
#ifndef HAVE_ERR
void err(int eval, const char *format, ...)
{
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
perror("");
va_end(ap);
exit(eval);
}
#endif
#ifndef HAVE_ERRX
void errx(int eval, const char *format, ...)
{
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
exit(eval);
}
#endif
#ifndef HAVE_WARNX
void warnx(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
}
#endif
#ifndef HAVE_FLOCK
int flock(int fd, int op)
{
struct flock lock;
lock.l_whence = 0;
lock.l_start = 0;
lock.l_len = 0;
lock.l_pid = 0;
switch (op & (LOCK_UN|LOCK_SH|LOCK_EX)) {
case LOCK_UN:
lock.l_type = F_UNLCK;
return fcntl(fd, F_SETLK, &lock);
case LOCK_SH:
lock.l_type = F_RDLCK;
return fcntl(fd, (op&LOCK_NB)?F_SETLK:F_SETLKW, &lock);
case LOCK_EX:
lock.l_type = F_WRLCK;
return fcntl(fd, (op&LOCK_NB)?F_SETLK:F_SETLKW, &lock);
}
errno = EINVAL;
return -1;
}
#endif
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