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- /* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <stddef.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
-
- /* Generate a unique temporary filename using up to five characters of PFX
- if it is not NULL. The directory to put this file in is searched for
- as follows: First the environment variable "TMPDIR" is checked.
- If it contains the name of a writable directory, that directory is used.
- If not and if DIR is not NULL, that value is checked. If that fails,
- P_tmpdir is tried and finally "/tmp". The storage for the filename
- is allocated by `malloc'. */
- char *
- DEFUN(tempnam, (dir, pfx), CONST char *dir AND CONST char *pfx)
- {
- size_t len;
- register char *s;
- register char *t = __stdio_gen_tempname(dir, pfx, 1, &len, (FILE **) NULL);
-
- if (t == NULL)
- return NULL;
-
- s = (char *) malloc(len);
- if (s == NULL)
- return NULL;
-
- (void) memcpy(s, t, len);
- return s;
- }
-