Cleanup: move all the compatibillity fluff to a dedicated "libcompat"

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 31 insertions, 0 deletions

diff --git a/lib/compat/strndup.c b/lib/compat/strndup.c
new file mode 100644
index 0000000..dff79d7
--- /dev/null
+++ b/lib/compat/strndup.c
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * strndup.c
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#include "config.h"
+#include "compat.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+#ifndef HAVE_STRNDUP
+char *strndup(const char *str, size_t max_len)
+{
+	size_t len = 0;
+	char *out;
+
+	while (len < max_len && str[len] != '\0')
+		++len;
+
+	out = malloc(len + 1);
+
+	if (out != NULL) {
+		memcpy(out, str, len);
+		out[len] = '\0';
+	}
+
+	return out;
+}
+#endif