lib/md5: update to only rely on the light FFI

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/md5.nit b/lib/md5.nit
index 41de768..cd6bcd4 100644 (file)
--- a/lib/md5.nit
+++ b/lib/md5.nit
@@ -492,23 +492,24 @@ in "C Header" `{
 redef class String
        # returns the md5 digest of the receiver string
        # algorithm implemented by L. Peter Deutsch <ghost@aladdin.com>
-       fun md5: String import String.to_cstring, NativeString.to_s `{
+       fun md5: String do return to_cstring.native_md5.to_s
+end
+
+redef class NativeString
+       private fun native_md5: NativeString `{
                md5_state_t state;
                md5_byte_t digest[16]; /* result */
                char *hex_output = malloc(33*sizeof(char));
                int di;
-               char *in_text;
-
-               in_text = String_to_cstring(self);
 
                md5_init(&state);
-               md5_append(&state, (const md5_byte_t *)in_text, strlen(in_text));
+               md5_append(&state, (const md5_byte_t *)self, strlen(self));
                md5_finish(&state, digest);
 
                for (di = 0; di < 16; ++di)
                        sprintf(hex_output + di * 2, "%02x", digest[di]);
                hex_output[32] = '\0';
 
-               return NativeString_to_s(hex_output);
+               return hex_output;
        `}
 end