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DEFINITIONS

1. tempnam

   1 /*
   2  * Copyright (c) 1988, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #include <sys/param.h>
  31 #include <errno.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include <unistd.h>
  36 #include <paths.h>
  38 char *
tempnam(dir, pfx)
  40         const char *dir, *pfx;
  41 {
  42         int sverrno;
  43         char *f, *name;
  45         if (!(name = malloc((size_t)MAXPATHLEN)))
  46                 return(NULL);
  48         if (!pfx)
pfx = "tmp.";
  51         if ((f = getenv("TMPDIR")) != NULL) {
  52                 (void)snprintf(name, (size_t)MAXPATHLEN, "%s%s%sXXXXXXXXXX", f,
  53                     *(f + strlen(f) - 1) == '/'? "": "/", pfx);
  54                 if ((f = mktemp(name)) != NULL)
  55                         return(f);
  56         }
  58         if ((/* LINTED */f = (char *)dir) != NULL) {
  59                 (void)snprintf(name, (size_t)MAXPATHLEN, "%s%s%sXXXXXXXXXX", f,
  60                     *(f + strlen(f) - 1) == '/'? "": "/", pfx);
  61                 if ((f = mktemp(name)) != NULL)
  62                         return(f);
  63         }
f = P_tmpdir;
  66         (void)snprintf(name, (size_t)MAXPATHLEN, "%s%sXXXXXXXXXX", f, pfx);
  67         if ((f = mktemp(name)) != NULL)
  68                 return(f);
f = _PATH_TMP;
  71         (void)snprintf(name, (size_t)MAXPATHLEN, "%s%sXXXXXXXXXX", f, pfx);
  72         if ((f = mktemp(name)) != NULL)
  73                 return(f);
sverrno = errno;
free(name);
errno = sverrno;
  78         return(NULL);
  79 }