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-rw-r--r--contrib/argp-standalone/strndup.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/contrib/argp-standalone/strndup.c b/contrib/argp-standalone/strndup.c
new file mode 100644
index 0000000..4147b7a
--- /dev/null
+++ b/contrib/argp-standalone/strndup.c
@@ -0,0 +1,34 @@
+/* strndup.c
+ *
+ */
+
+/* Written by Niels Möller <nisse@lysator.liu.se>
+ *
+ * This file is hereby placed in the public domain.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+char *
+strndup (const char *, size_t);
+
+char *
+strndup (const char *s, size_t size)
+{
+ char *r;
+ char *end = memchr(s, 0, size);
+
+ if (end)
+ /* Length + 1 */
+ size = end - s + 1;
+
+ r = malloc(size);
+
+ if (size)
+ {
+ memcpy(r, s, size-1);
+ r[size-1] = '\0';
+ }
+ return r;
+}