fix in encoding: base58_encode() and base58_decode()

Author: fabiosvm

core/encoding.c

@@ -15,7 +15,7 @@
 #include "deps/base58.h"
 
 #define BASE58_ENCODE_OUT_SIZE(n) ((n) * 138 / 100 + 1)
-#define BASE58_DECODE_OUT_SIZE(n) ((n) * 733 /1000 + 1)
+#define BASE58_DECODE_OUT_SIZE(n) ((n) * 733 / 1000 + 1)
 
 static void base32_encode_call(HkVM *vm, HkValue *args);
 static void base32_decode_call(HkVM *vm, HkValue *args);
@@ -62,7 +62,7 @@ static void base58_encode_call(HkVM *vm, HkValue *args)
   hk_return_if_not_ok(vm);
   HkString *str = hk_as_string(args[1]);
   HkString *result = hk_string_new_with_capacity(BASE58_ENCODE_OUT_SIZE(str->length));
-  size_t out_len;
+  size_t out_len = result->capacity;
   (void) base58_encode(str->chars, str->length, result->chars, &out_len);
   result->length = (int) out_len;
   result->chars[result->length] = '\0';
@@ -77,7 +77,7 @@ static void base58_decode_call(HkVM *vm, HkValue *args)
   hk_return_if_not_ok(vm);
   HkString *str = hk_as_string(args[1]);
   HkString *result = hk_string_new_with_capacity(BASE58_DECODE_OUT_SIZE(str->length));
-  size_t out_len;
+  size_t out_len = result->capacity;
   (void) base58_decode(str->chars, str->length, result->chars, &out_len);
   result->length = (int) out_len;
   result->chars[result->length] = '\0';

tests/arithmetic_expression_test.hk

@@ -7,6 +7,6 @@ println(3 ~/ 1.23);
 println(123 % 12.3);
 println(-123);
 println(-1.23);
-println(--123);
+println(-(-123));
 println(123 + 1.23 * 4);
 println((123 + 1.23) * 4);

tests/if_statement_var_declaration_test.hk

@@ -28,9 +28,3 @@ if (var { ok, err } = baz(); err) {
 } else {
   println(ok);
 }
-
-var result;
-if (result = baz(); result.err) {
-  println(result.err);
-}
-println(result.ok);

tests/match_statement_var_declaration_test.hk

@@ -36,11 +36,3 @@ match (let { lvl, msg } = error("error message"); lvl) {
   "error" => println(msg);
   _ => println("unknown log level");
 }
-
-var result;
-match (result = info("info message"); result.lvl) {
-  "info" => println(result.msg);
-  "warn" => println(result.msg);
-  "error" => println(result.msg);
-  _ => println("unknown log level");
-}