1 files changed, 49 insertions, 0 deletions
diff --git a/compat/strndup.c b/compat/strndup.c
new file mode 100644
index 0000000..e279f98
--- /dev/null
+++ b/compat/strndup.c
@@ -0,0 +1,49 @@
+/* compatibility file for systems without strndup.
+ *
+ * Copyright 2015 Rainer Gerhards and Adiscon
+ *
+ * This file is part of rsyslog.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *       -or-
+ *       see COPYING.ASL20 in the source distribution
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "config.h"
+#ifndef HAVE_STRNDUP
+
+
+#include <stdlib.h>
+#include <string.h>
+
+extern char *strndup(const char *s, size_t n);
+
+char *
+strndup(const char *s, size_t n)
+{
+	const size_t len = strlen(s);
+	char *new_s;
+	if(len <= n)
+		return strdup(s);
+	new_s = malloc(n+1);
+	if(new_s == NULL)
+		return NULL;
+	memcpy(new_s, s, n);
+	new_s[n] = '\0';
+	return new_s;
+}
+#else
+/* XLC needs at least one method in source file even static to compile */
+#ifdef __xlc__
+static void dummy() {}
+#endif
+#endif /* #ifndef HAVE_STRNDUP */