projects: update some short descriptions
[nit.git] / lib / md5.nit
index 41de768..6495145 100644 (file)
@@ -490,25 +490,31 @@ 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 `{
+       # MD5 digest of `self`
+       #
+       # ~~~
+       # assert "".md5 == "d41d8cd98f00b204e9800998ecf8427e"
+       # assert "a".md5 == "0cc175b9c0f1b6a831c399e269772661"
+       # assert "abc".md5 == "900150983cd24fb0d6963f7d28e17f72"
+       # ~~~
+       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