88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*
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* Copyright (c) 2019 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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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
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* are met:
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*
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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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*
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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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* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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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#include <config.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#include <errno.h>
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#include <roken.h>
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#ifndef O_APPEND
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#define O_APPEND 0
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#endif
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#ifndef O_CLOEXEC
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#define O_CLOEXEC 0
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#endif
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#ifndef O_SYNC
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#define O_SYNC 0
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#endif
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#ifndef HAVE_MKOSTEMP
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ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
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mkostemp(char *template, int flags)
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{
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int fd = mkstemp(template);
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if (flags == 0)
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return fd;
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if ((flags & O_CLOEXEC))
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rk_cloexec(fd);
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/* fcntl F_SETFL O_APPEND and O_SYNC. */
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#ifdef HAVE_FCNTL
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if ((flags & (O_APPEND | O_SYNC))) {
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int fl;
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if ((fl = fcntl(fd, F_GETFL)) == -1 ||
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fcntl(fd, F_SETFD, fl | (flags & (O_APPEND | O_SYNC))) == -1) {
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int save_errno = errno;
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(void) unlink(template);
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(void) close(fd);
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errno = save_errno;
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return -1;
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}
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}
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#endif
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return fd;
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}
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#endif
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