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d7e23b02a4
instead of mkstemp. * misc/Makefile (routines): Add mkostemp and mkostemp64. * misc/Versions: Export mkostemp and mkostemp64 for GLIBC_2.7. * misc/mkostemp.c: New file. * misc/mkostemp64.c: New file. * stdlib/stdlib.h: Declare the new functions. * sysdeps/posix/tempname.c: Add new parameter which is added to the flags for open. Remove __GT_BIGFILE handling. * stdio-common/tempname.c: Likewise. * include/stdio.h: Adjust __gen_tempname prototype. Renumber __GT_* constants. * libio/oldtmpfile.c: Adjust for __gen_tempname interface change. * misc/mkdtemp.c: Likewise. * misc/mkstemp.c: Likewise. * misc/mkstemp64.c: Likewise. * misc/mktemp.c: Likewise. * stdio-common/tempnam.c: Likewise. * stdio-common/tmpfile.c: Likewise. * stdio-common/tmpfile64.c: Likewise. * stdio-common/tmpnam.c: Likewise. * stdio-common/tmpnam_r.c: Likewise.
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/* Open a stdio stream on an anonymous temporary file. Generic/POSIX version.
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Copyright (C) 1991,1993,1996-2000,2002,2003,2007
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#ifdef USE_IN_LIBIO
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# include <iolibio.h>
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# define __fdopen INTUSE(_IO_fdopen)
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# ifndef tmpfile
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# define tmpfile __new_tmpfile
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# endif
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#endif
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/* This returns a new stream opened on a temporary file (generated
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by tmpnam). The file is opened with mode "w+b" (binary read/write).
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If we couldn't generate a unique filename or the file couldn't
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be opened, NULL is returned. */
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FILE *
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tmpfile (void)
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{
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char buf[FILENAME_MAX];
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int fd;
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FILE *f;
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if (__path_search (buf, FILENAME_MAX, NULL, "tmpf", 0))
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return NULL;
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int flags = 0;
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#ifdef FLAGS
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flags = FLAGS;
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#endif
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fd = __gen_tempname (buf, flags, __GT_FILE);
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if (fd < 0)
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return NULL;
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/* Note that this relies on the Unix semantics that
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a file is not really removed until it is closed. */
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(void) __unlink (buf);
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if ((f = __fdopen (fd, "w+b")) == NULL)
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__close (fd);
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return f;
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}
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#if defined USE_IN_LIBIO && !defined FLAGS /* Not for tmpfile64. */
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# undef tmpfile
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# include <shlib-compat.h>
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versioned_symbol (libc, __new_tmpfile, tmpfile, GLIBC_2_1);
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#endif
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