summaryrefslogtreecommitdiff
path: root/src/openvpn/memcmp.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/openvpn/memcmp.c')
-rw-r--r--src/openvpn/memcmp.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/openvpn/memcmp.c b/src/openvpn/memcmp.c
new file mode 100644
index 0000000..0b1fbd2
--- /dev/null
+++ b/src/openvpn/memcmp.c
@@ -0,0 +1,40 @@
+/* memcmp.c -- Replacement memcmp.c
+ *
+ * Useful on systems that don't have a working memcmp, such as SunOS
+ * 4.1.3 and NeXT x86 OpenStep.
+ *
+ * Copyright (C) 2002 - 2003 Matthias Andree <matthias.andree@gmx.de>
+ *
+ * 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 2 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 (see the file COPYING included with this
+ * distribution); if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <string.h>
+
+int
+memcmp (const void *s1, const void *s2, size_t n)
+{
+ register unsigned const char *p1 = s1, *p2 = s2;
+ int d;
+
+ if (n)
+ while (n-- > 0)
+ {
+ d = *p1++ - *p2++;
+ if (d != 0)
+ return d;
+ }
+ return 0;
+}