/*- * Copyright (c) 1990, 1993 *	The Regents of the University of California.  All rights reserved. * * This code is derived from software contributed to Berkeley by * Chris Torek. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. 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. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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. */ #include <sys/types.h>#include <signal.h>#include <unistd.h>#include <errno.h>#include <stdio.h>#include <stdlib.h>#include <string.h> FILE *tmpfile(void){	sigset_t set, oset;	FILE *fp;	int fd, sverrno;#define	TRAILER	"tmp.XXXXXX"	char *buf;	const char *tmpdir; 	tmpdir = NULL;//	if (issetugid() == 0)		tmpdir = getenv("TMPDIR");	if (tmpdir == NULL)		tmpdir = "/var/tmp"; 	(void)asprintf(&buf, "%s%s%s", tmpdir,	    (tmpdir[strlen(tmpdir) - 1] == '/') ? "" : "/", TRAILER);	if (buf == NULL)		return (NULL); //	sigfillset(&set);//	(void)_sigprocmask(SIG_BLOCK, &set, &oset); 	fd = mkstemp(buf);	if (fd != -1)		(void)unlink(buf); 	free(buf); //	(void)_sigprocmask(SIG_SETMASK, &oset, NULL); 	if (fd == -1)		return (NULL); 	if ((fp = fdopen(fd, "w+")) == NULL) {		sverrno = errno;		(void)close(fd);		errno = sverrno;		return (NULL);	}	return (fp);}