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      1 /** @file
      2 
      3   Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
      4   This program and the accompanying materials are licensed and made available under
      5   the terms and conditions of the BSD License that accompanies this distribution.
      6   The full text of the license may be found at
      7   http://opensource.org/licenses/bsd-license.
      8 
      9   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     10   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     11 
     12  * Copyright (c) 1990, 1993
     13  *  The Regents of the University of California.  All rights reserved.
     14  *
     15  * This code is derived from software contributed to Berkeley by
     16  * Chris Torek.
     17  *
     18  * Redistribution and use in source and binary forms, with or without
     19  * modification, are permitted provided that the following conditions
     20  * are met:
     21  * 1. Redistributions of source code must retain the above copyright
     22  *    notice, this list of conditions and the following disclaimer.
     23  * 2. Redistributions in binary form must reproduce the above copyright
     24  *    notice, this list of conditions and the following disclaimer in the
     25  *    documentation and/or other materials provided with the distribution.
     26  * 3. Neither the name of the University nor the names of its contributors
     27  *    may be used to endorse or promote products derived from this software
     28  *    without specific prior written permission.
     29  *
     30  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     31  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     32  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     33  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     34  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     35  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     36  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     38  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     39  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     40  * SUCH DAMAGE.
     41 
     42     tmpfile.c 8.1 (Berkeley) 6/4/93
     43     NetBSD: tmpfile.c,v 1.11 2003/08/07 16:43:33 agc Exp
     44 **/
     45 #include  <LibConfig.h>
     46 #include  <sys/EfiCdefs.h>
     47 
     48 #include  "namespace.h"
     49 #include  <sys/types.h>
     50 #include  <signal.h>
     51 #include  <errno.h>
     52 #include  <stdio.h>
     53 #include  <stdlib.h>
     54 #include  <string.h>
     55 #include  <paths.h>
     56 #include  <unistd.h>
     57 
     58 #define TRAILER "tmp.XXXX"
     59 
     60 FILE *
     61 tmpfile()
     62 {
     63   //sigset_t set, oset;
     64   FILE *fp;
     65   int fd, sverrno;
     66   char buf[sizeof(_PATH_TMP) + sizeof(TRAILER)];
     67 
     68   (void)memcpy(buf, _PATH_TMP, sizeof(_PATH_TMP) - 1);
     69   (void)memcpy(buf + sizeof(_PATH_TMP) - 1, TRAILER, sizeof(TRAILER));
     70 
     71   //sigfillset(&set);
     72   //(void)sigprocmask(SIG_BLOCK, &set, &oset);
     73 
     74   fd = mkstemp(buf);
     75   if (fd != -1) {
     76     /*  Changed from unlink(buf) because of differences between the behavior
     77         of Unix and UEFI file systems.
     78     */
     79     (void)DeleteOnClose(fd);
     80   }
     81 
     82   //(void)sigprocmask(SIG_SETMASK, &oset, NULL);
     83 
     84   if (fd == -1)
     85     return (NULL);
     86 
     87   if ((fp = fdopen(fd, "w+")) == NULL) {
     88     sverrno = errno;
     89     (void)close(fd);
     90     errno = sverrno;
     91     return (NULL);
     92   }
     93   return (fp);
     94 }
     95