diff options
Diffstat (limited to 'qobject')
-rw-r--r-- | qobject/json-lexer.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/qobject/json-lexer.c b/qobject/json-lexer.c index 4867839f66..ec3aec726f 100644 --- a/qobject/json-lexer.c +++ b/qobject/json-lexer.c @@ -261,7 +261,8 @@ void json_lexer_init(JSONLexer *lexer, bool enable_interpolation) static void json_lexer_feed_char(JSONLexer *lexer, char ch, bool flush) { - int char_consumed, new_state; + int new_state; + bool char_consumed = false; lexer->x++; if (ch == '\n') { @@ -269,11 +270,12 @@ static void json_lexer_feed_char(JSONLexer *lexer, char ch, bool flush) lexer->y++; } - do { + while (flush ? lexer->state != lexer->start_state : !char_consumed) { assert(lexer->state <= ARRAY_SIZE(json_lexer)); new_state = json_lexer[lexer->state][(uint8_t)ch]; - char_consumed = !TERMINAL_NEEDED_LOOKAHEAD(lexer->state, new_state); - if (char_consumed && !flush) { + char_consumed = !flush + && !TERMINAL_NEEDED_LOOKAHEAD(lexer->state, new_state); + if (char_consumed) { g_string_append_c(lexer->token, ch); } @@ -318,7 +320,7 @@ static void json_lexer_feed_char(JSONLexer *lexer, char ch, bool flush) break; } lexer->state = new_state; - } while (!char_consumed && !flush); + } /* Do not let a single token grow to an arbitrarily large size, * this is a security consideration. @@ -342,9 +344,8 @@ void json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size) void json_lexer_flush(JSONLexer *lexer) { - if (lexer->state != lexer->start_state) { - json_lexer_feed_char(lexer, 0, true); - } + json_lexer_feed_char(lexer, 0, true); + assert(lexer->state == lexer->start_state); json_message_process_token(lexer, lexer->token, JSON_END_OF_INPUT, lexer->x, lexer->y); } |