2 files changed, 124 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa
diff --git a/gnulib/lib/tmpfile.c b/gnulib/lib/tmpfile.c
new file mode 100644
index 00000000..f01de3a4
--- /dev/null
+++ b/gnulib/lib/tmpfile.c
@@ -0,0 +1,124 @@
+/* Create a temporary file.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Ben Pfaff. */
+
+#include <config.h>
+
+/* Specification.  */
+#include <stdio.h>
+
+/* This replacement is used only on native Windows platforms.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include <io.h>
+
+#define WIN32_LEAN_AND_MEAN  /* avoid including junk */
+#include <windows.h>
+
+#include "pathmax.h"
+#include "tempname.h"
+#include "tmpdir.h"
+
+/* On Windows, opening a file with _O_TEMPORARY has the effect of passing
+   the FILE_FLAG_DELETE_ON_CLOSE flag to CreateFile(), which has the effect
+   of deleting the file when it is closed - even when the program crashes.
+   But (according to the Cygwin sources) it works only on Windows NT or newer.
+   So we cache the info whether we are running on Windows NT or newer.  */
+
+static bool
+supports_delete_on_close ()
+{
+  static int known; /* 1 = yes, -1 = no, 0 = unknown */
+  if (!known)
+    {
+      OSVERSIONINFO v;
+
+      if (GetVersionEx (&v))
+        known = (v.dwPlatformId == VER_PLATFORM_WIN32_NT ? 1 : -1);
+      else
+        known = -1;
+    }
+  return (known > 0);
+}
+
+FILE *
+tmpfile (void)
+{
+  char dir[PATH_MAX];
+  DWORD retval;
+
+  /* Find Windows temporary file directory.
+     We provide this as the directory argument to path_search because Windows
+     defines P_tmpdir to "\\" and will therefore try to put all temporary files
+     in the root directory (unless $TMPDIR is set). */
+  retval = GetTempPath (PATH_MAX, dir);
+  if (retval > 0 && retval < PATH_MAX)
+    {
+      char xtemplate[PATH_MAX];
+
+      if (path_search (xtemplate, PATH_MAX, dir, NULL, true) >= 0)
+        {
+          size_t len = strlen (xtemplate);
+          int o_temporary = (supports_delete_on_close () ? _O_TEMPORARY : 0);
+          int fd;
+
+          do
+            {
+              memcpy (&xtemplate[len - 6], "XXXXXX", 6);
+              if (gen_tempname (xtemplate, 0, 0, GT_NOCREATE) < 0)
+                {
+                  fd = -1;
+                  break;
+                }
+
+              fd = _open (xtemplate,
+                          _O_CREAT | _O_EXCL | o_temporary
+                          | _O_RDWR | _O_BINARY,
+                          _S_IREAD | _S_IWRITE);
+            }
+          while (fd < 0 && errno == EEXIST);
+
+          if (fd >= 0)
+            {
+              FILE *fp = _fdopen (fd, "w+b");
+
+              if (fp != NULL)
+                return fp;
+              else
+                {
+                  int saved_errno = errno;
+                  _close (fd);
+                  errno = saved_errno;
+                }
+            }
+        }
+    }
+  else
+    {
+      if (retval > 0)
+        errno = ENAMETOOLONG;
+      else
+        /* Ideally this should translate GetLastError () to an errno value.  */
+        errno = ENOENT;
+    }
+
+  return NULL;
+}