mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
7d55c9eb43
* stdio-common/tempnam.c: Fix comment, it is not checked that TMPDIR points to a writable directory.
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/* Copyright (C) 1991,1993,1996-2000,2007 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <stdio.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 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 *
|
|
tempnam (const char *dir, const char *pfx)
|
|
{
|
|
char buf[FILENAME_MAX];
|
|
|
|
if (__path_search (buf, FILENAME_MAX, dir, pfx, 1))
|
|
return NULL;
|
|
|
|
if (__gen_tempname (buf, 0, __GT_NOCREATE))
|
|
return NULL;
|
|
|
|
return __strdup (buf);
|
|
}
|
|
|
|
link_warning (tempnam,
|
|
"the use of `tempnam' is dangerous, better use `mkstemp'")
|