From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- stdio/tempnam.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 stdio/tempnam.c (limited to 'stdio/tempnam.c') diff --git a/stdio/tempnam.c b/stdio/tempnam.c new file mode 100644 index 0000000000..14988a8656 --- /dev/null +++ b/stdio/tempnam.c @@ -0,0 +1,50 @@ +/* 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 +#include +#include +#include +#include +#include + + +/* 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; +} -- cgit 1.4.1