Virgin import of AMD (am-utils) v6.0a16

1 files changed, 121 insertions, 0 deletions

diff --git a/contrib/amd/libamu/mtab.c b/contrib/amd/libamu/mtab.c
new file mode 100644
index 0000000..20cae62
--- /dev/null
+++ b/contrib/amd/libamu/mtab.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 1997-1998 Erez Zadok
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      %W% (Berkeley) %G%
+ *
+ * $Id: mtab.c,v 5.2.2.1 1992/02/09 15:08:45 jsp beta $
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+#include <am_defs.h>
+#include <amu.h>
+
+
+/*
+ * Firewall /etc/mtab entries
+ */
+void
+mnt_free(mntent_t *mp)
+{
+  XFREE(mp->mnt_fsname);
+  XFREE(mp->mnt_dir);
+  XFREE(mp->mnt_type);
+  XFREE(mp->mnt_opts);
+
+#ifdef HAVE_FIELD_MNTENT_T_MNT_TIME
+# ifdef HAVE_FIELD_MNTENT_T_MNT_TIME_STRING
+  XFREE(mp->mnt_time);
+# endif /* HAVE_FIELD_MNTENT_T_MNT_TIME_STRING */
+#endif /* HAVE_FIELD_MNTENT_T_MNT_TIME */
+
+  XFREE(mp);
+}
+
+
+/*
+ * Discard memory allocated for mount list
+ */
+void
+discard_mntlist(mntlist *mp)
+{
+  mntlist *mp2;
+
+  while ((mp2 = mp)) {
+    mp = mp->mnext;
+    if (mp2->mnt)
+      mnt_free(mp2->mnt);
+    XFREE(mp2);
+  }
+}
+
+
+/*
+ * Throw away a mount list
+ */
+void
+free_mntlist(mntlist *mp)
+{
+  discard_mntlist(mp);
+#ifdef MOUNT_TABLE_ON_FILE
+  unlock_mntlist();
+#endif /* MOUNT_TABLE_ON_FILE */
+}
+
+
+/*
+ * Utility routine which determines the value of a
+ * numeric option in the mount options (such as port=%d).
+ * Returns 0 if the option is not specified.
+ */
+int
+hasmntval(mntent_t *mnt, char *opt)
+{
+  char *str = hasmntopt(mnt, opt);
+
+  if (str) {
+    char *eq = strchr(str, '=');
+    if (eq)
+      return atoi(eq + 1);
+    else
+      plog(XLOG_USER, "bad numeric option \"%s\" in \"%s\"", opt, str);
+  }
+  return 0;
+}