Merge branch 'tor-github/pr/611'

src/lib/encoding/binascii.c

@@ -84,7 +84,7 @@ base32_encode(char *dest, size_t destlen, const char *src, size_t srclen)
 }
 
 /** Implements base32 decoding as in RFC 4648.
- * Returns 0 if successful, -1 otherwise.
+ * Return the number of bytes decoded if successful; -1 otherwise.
  */
 int
 base32_decode(char *dest, size_t destlen, const char *src, size_t srclen)
@@ -147,7 +147,7 @@ base32_decode(char *dest, size_t destlen, const char *src, size_t srclen)
   memset(tmp, 0, srclen); /* on the heap, this should be safe */
   tor_free(tmp);
   tmp = NULL;
-  return 0;
+  return i;
 }
 
 #define BASE64_OPENSSL_LINELEN 64