Adding upstream version 1:7.0.3.upstream/1%7.0.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 68 insertions, 0 deletions

diff --git a/src/util-memrchr.c b/src/util-memrchr.c
new file mode 100644
index 0000000..e531f84
--- /dev/null
+++ b/src/util-memrchr.c
@@ -0,0 +1,68 @@
+/* Copyright (C) 2007-2013 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \file
+ *
+ * \author Victor Julien <victor@inliniac.net>
+ *
+ */
+
+#include "suricata-common.h"
+#include "util-unittest.h"
+#include "util-memrchr.h"
+
+#ifndef HAVE_MEMRCHR
+void *memrchr (const void *s, int c, size_t n)
+{
+    const char *end = s + n;
+
+    while (end > (const char *)s) {
+        if (*end == (char)c)
+            return (void *)end;
+        end--;
+    }
+    return NULL;
+}
+#endif  /* HAVE_MEMRCHR */
+
+#ifdef UNITTESTS
+static int MemrchrTest01 (void)
+{
+    const char *haystack = "abcabc";
+    char needle = 'b';
+
+    char *ptr = memrchr(haystack, needle, strlen(haystack));
+    if (ptr == NULL)
+        return 0;
+
+    if (strlen(ptr) != 2)
+        return 0;
+
+    if (strcmp(ptr, "bc") != 0)
+        return 0;
+
+    return 1;
+}
+#endif
+
+void MemrchrRegisterTests(void)
+{
+#ifdef UNITTESTS
+    UtRegisterTest("MemrchrTest01", MemrchrTest01);
+#endif
+}