diff options
Diffstat (limited to 'stdio-common/tmpfile64.c')
-rw-r--r-- | stdio-common/tmpfile64.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/stdio-common/tmpfile64.c b/stdio-common/tmpfile64.c new file mode 100644 index 0000000..67d4bd8 --- /dev/null +++ b/stdio-common/tmpfile64.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1991, 1993, 1996, 1997 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#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 * +tmpfile64 () +{ +#ifdef _G_OPEN64 + char buf[FILENAME_MAX]; + char *filename; + FILE *f; + + filename = __stdio_gen_tempname (buf, sizeof (buf), (char *) NULL, "tmpf", 0, + (size_t *) NULL, &f, 1); + 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; +#else + __set_errno (ENOSYS); + return NULL; +#endif +} |