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Diffstat (limited to 'REORG.TODO/stdio-common/tempnam.c')
-rw-r--r-- | REORG.TODO/stdio-common/tempnam.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/tempnam.c b/REORG.TODO/stdio-common/tempnam.c new file mode 100644 index 0000000000..3f0d07352e --- /dev/null +++ b/REORG.TODO/stdio-common/tempnam.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1991-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#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, 0, __GT_NOCREATE)) + return NULL; + + return __strdup (buf); +} + +link_warning (tempnam, + "the use of `tempnam' is dangerous, better use `mkstemp'") |