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-rw-r--r--REORG.TODO/stdio-common/tmpfile.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/tmpfile.c b/REORG.TODO/stdio-common/tmpfile.c
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+++ b/REORG.TODO/stdio-common/tmpfile.c
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+/* Open a stdio stream on an anonymous temporary file.  Generic/POSIX version.
+   Copyright (C) 1991-2017 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 <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <iolibio.h>
+#define __fdopen _IO_fdopen
+#ifndef tmpfile
+# define tmpfile __new_tmpfile
+#endif
+
+
+/* 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)
+{
+  char buf[FILENAME_MAX];
+  int fd;
+  FILE *f;
+
+  if (__path_search (buf, FILENAME_MAX, NULL, "tmpf", 0))
+    return NULL;
+  int flags = 0;
+#ifdef FLAGS
+  flags = FLAGS;
+#endif
+  fd = __gen_tempname (buf, 0, flags, __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 = __fdopen (fd, "w+b")) == NULL)
+    __close (fd);
+
+  return f;
+}
+
+#if !defined O_LARGEFILE || O_LARGEFILE == 0
+weak_alias (__new_tmpfile, tmpfile64)
+#endif
+
+#ifndef FLAGS /* Not for tmpfile64.  */
+# undef tmpfile
+# include <shlib-compat.h>
+versioned_symbol (libc, __new_tmpfile, tmpfile, GLIBC_2_1);
+#endif