Convert libc to C.

libc/string/strdup.c

@@ -0,0 +1,36 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2014.
+
+    This file is part of the Sortix C Library.
+
+    The Sortix C Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    The Sortix C Library 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 Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
+
+    string/strdup.c
+    Creates a copy of a string.
+
+*******************************************************************************/
+
+#include <stdlib.h>
+#include <string.h>
+
+char* strdup(const char* input)
+{
+	size_t input_length = strlen(input);
+	char* result = (char*) malloc(input_length + 1);
+	if ( !result )
+		return NULL;
+	memcpy(result, input, input_length + 1);
+	return result;
+}