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-rw-r--r--REORG.TODO/sysdeps/mach/hurd/tmpfile.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/tmpfile.c b/REORG.TODO/sysdeps/mach/hurd/tmpfile.c
new file mode 100644
index 0000000000..8bcfb81a10
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/tmpfile.c
@@ -0,0 +1,68 @@
+/* Open a stdio stream on an anonymous temporary file. Hurd version.
+ Copyright (C) 2001-2017 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 <hurd.h>
+#include <hurd/fs.h>
+#include <hurd/fd.h>
+#include <fcntl.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 *
+__tmpfile (void)
+{
+ error_t err;
+ file_t file;
+ int fd;
+ FILE *f;
+
+ /* Get a port to the directory that will contain the file. */
+ const char *dirname = __libc_secure_getenv ("TMPDIR") ?: P_tmpdir;
+ file_t dir = __file_name_lookup (dirname, 0, 0);
+ if (dir == MACH_PORT_NULL)
+ return NULL;
+
+ /* Create an unnamed file in the temporary directory. */
+ err = __dir_mkfile (dir, O_RDWR, S_IRUSR | S_IWUSR, &file);
+ __mach_port_deallocate (__mach_task_self (), dir);
+ if (err)
+ return __hurd_fail (err), NULL;
+
+ /* Get a file descriptor for that port. POSIX.1 requires that streams
+ returned by tmpfile allocate file descriptors as fopen would. */
+ fd = _hurd_intern_fd (file, O_RDWR, 1); /* dealloc on error */
+ if (fd < 0)
+ return NULL;
+
+ /* Open a stream on the unnamed file.
+ It will cease to exist when this stream is closed. */
+ if ((f = _IO_fdopen (fd, "w+b")) == NULL)
+ __close (fd);
+
+ return f;
+}
+
+#include <shlib-compat.h>
+versioned_symbol (libc, __tmpfile, tmpfile, GLIBC_2_1);
+
+weak_alias (__tmpfile, tmpfile64)