Convert libc to C.

libc/string/memccpy.c

@@ -0,0 +1,38 @@
+/*******************************************************************************
+
+    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/memccpy.c
+    Copy memory until length is met or character is encountered.
+
+*******************************************************************************/
+
+#include <stddef.h>
+#include <string.h>
+
+void* memccpy(void* dest_ptr, const void* src_ptr, int c, size_t n)
+{
+	unsigned char* dest = (unsigned char*) dest_ptr;
+	const unsigned char* src = (const unsigned char*) src_ptr;
+	for ( size_t i = 0; i < n; i++ )
+	{
+		if ( (dest[i] = src[i]) == (unsigned char) c )
+			return dest + i + 1;
+	}
+	return NULL;
+}