diff options
Diffstat (limited to 'stdio/tmpfile.c')
-rw-r--r-- | stdio/tmpfile.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/stdio/tmpfile.c b/stdio/tmpfile.c new file mode 100644 index 0000000..dfe11ad --- /dev/null +++ b/stdio/tmpfile.c @@ -0,0 +1,43 @@ +/* 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 <stdio.h> + + +/* This returns a new stream opened on a temporary file (generated + by tmpnam) The file is opened with mode "w+b" (binary read/write). + If we couldn't generate a unique filename or the file couldn't + be opened, NULL is returned. */ +FILE * +DEFUN_VOID(tmpfile) +{ + char *filename; + FILE *f; + + filename = __stdio_gen_tempname ((char *) NULL, "tmpf", 0, + (size_t *) NULL, &f); + if (filename == NULL) + return NULL; + + /* Note that this relies on the Unix semantics that + a file is not really removed until it is closed. */ + (void) remove (filename); + + return f; +} |