diff options
Diffstat (limited to 'libc/libio/oldtmpfile.c')
-rw-r--r-- | libc/libio/oldtmpfile.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libc/libio/oldtmpfile.c b/libc/libio/oldtmpfile.c new file mode 100644 index 000000000..8631d48c0 --- /dev/null +++ b/libc/libio/oldtmpfile.c @@ -0,0 +1,56 @@ +/* Copyright (C) 1991,1993,1996-2000,2003,2004 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 <shlib-compat.h> +#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) + +#define _IO_USE_OLD_IO_FILE +#include <stdio.h> +#include <unistd.h> +#include <iolibio.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 * +attribute_compat_text_section +__old_tmpfile (void) +{ + char buf[FILENAME_MAX]; + int fd; + FILE *f; + + if (__path_search (buf, FILENAME_MAX, NULL, "tmpf", 0)) + return NULL; + fd = __gen_tempname (buf, __GT_FILE); + if (fd < 0) + return NULL; + + /* Note that this relies on the Unix semantics that + a file is not really removed until it is closed. */ + (void) __unlink (buf); + + if ((f = _IO_old_fdopen (fd, "w+b")) == NULL) + __close (fd); + + return f; +} + +compat_symbol (libc, __old_tmpfile, tmpfile, GLIBC_2_0); +#endif |