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-rw-r--r--REORG.TODO/misc/mntent.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/REORG.TODO/misc/mntent.c b/REORG.TODO/misc/mntent.c
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index 0000000000..ae7ee26d1a
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+++ b/REORG.TODO/misc/mntent.c
@@ -0,0 +1,53 @@
+/* Utilities for reading/writing fstab, mtab, etc.
+   Copyright (C) 1995-2017 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 <mntent.h>
+#include <stdlib.h>
+#include <libc-lock.h>
+
+/* We don't want to allocate the static buffer all the time since it
+   is not always used (in fact, rather infrequently).  Accept the
+   extra cost of a `malloc'.  */
+libc_freeres_ptr (static char *getmntent_buffer);
+
+/* This is the size of the buffer.  This is really big.  */
+#define BUFFER_SIZE	4096
+
+
+static void
+allocate (void)
+{
+  getmntent_buffer = (char *) malloc (BUFFER_SIZE);
+}
+
+
+struct mntent *
+getmntent (FILE *stream)
+{
+  static struct mntent m;
+  __libc_once_define (static, once);
+  __libc_once (once, allocate);
+
+  if (getmntent_buffer == NULL)
+    /* If no core is available we don't have a chance to run the
+       program successfully and so returning NULL is an acceptable
+       result.  */
+    return NULL;
+
+  return __getmntent_r (stream, &m, getmntent_buffer, BUFFER_SIZE);
+}