* BLOCK-END # Indentation decrease.
* FLOW-SEQUENCE-START # '['
* FLOW-SEQUENCE-END # ']'
- * BLOCK-SEQUENCE-START # '{'
- * BLOCK-SEQUENCE-END # '}'
+ * FLOW-MAPPING-START # '{'
+ * FLOW-MAPPING-END # '}'
* BLOCK-ENTRY # '-'
* FLOW-ENTRY # ','
* KEY # '?' or nothing (simple keys).
static int
yaml_parser_decrease_flow_level(yaml_parser_t *parser)
{
- yaml_simple_key_t dummy_key; /* Used to eliminate a compiler warning. */
-
if (parser->flow_level) {
parser->flow_level --;
- dummy_key = POP(parser, parser->simple_keys);
+ (void)POP(parser, parser->simple_keys);
}
return 1;
if (!parser->flow_level)
{
- /* Check if we are allowed to start a new key (not nessesary simple). */
+ /* Check if we are allowed to start a new key (not necessary simple). */
if (!parser->simple_key_allowed) {
return yaml_parser_set_scanner_error(parser, NULL, parser->mark,
{
/* Set the handle to '' */
- handle = yaml_malloc(1);
+ handle = YAML_MALLOC(1);
if (!handle) goto error;
handle[0] = '\0';
/* Set the handle to '!'. */
yaml_free(handle);
- handle = yaml_malloc(2);
+ handle = YAML_MALLOC(2);
if (!handle) goto error;
handle[0] = '!';
handle[1] = '\0';
*(string.pointer++) = '/';
break;
- case '\'':
- *(string.pointer++) = '\'';
- break;
-
case '\\':
*(string.pointer++) = '\\';
break;
/* Check if we are at the end of the scalar. */
+ /* Fix for crash unitialized value crash
+ * Credit for the bug and input is to OSS Fuzz
+ * Credit for the fix to Alex Gaynor
+ */
+ if (!CACHE(parser, 1)) goto error;
if (CHECK(parser->buffer, single ? '\'' : '"'))
break;
while (!IS_BLANKZ(parser->buffer))
{
- /* Check for 'x:x' in the flow context. TODO: Fix the test "spec-08-13". */
+ /* Check for "x:" + one of ',?[]{}' in the flow context. TODO: Fix the test "spec-08-13".
+ * This is not completely according to the spec
+ * See http://yaml.org/spec/1.1/#id907281 9.1.3. Plain
+ */
if (parser->flow_level
&& CHECK(parser->buffer, ':')
- && !IS_BLANKZ_AT(parser->buffer, 1)) {
+ && (
+ CHECK_AT(parser->buffer, ',', 1)
+ || CHECK_AT(parser->buffer, '?', 1)
+ || CHECK_AT(parser->buffer, '[', 1)
+ || CHECK_AT(parser->buffer, ']', 1)
+ || CHECK_AT(parser->buffer, '{', 1)
+ || CHECK_AT(parser->buffer, '}', 1)
+ )
+ ) {
yaml_parser_set_scanner_error(parser, "while scanning a plain scalar",
start_mark, "found unexpected ':'");
goto error;
if ((CHECK(parser->buffer, ':') && IS_BLANKZ_AT(parser->buffer, 1))
|| (parser->flow_level &&
- (CHECK(parser->buffer, ',') || CHECK(parser->buffer, ':')
+ (CHECK(parser->buffer, ',')
|| CHECK(parser->buffer, '?') || CHECK(parser->buffer, '[')
|| CHECK(parser->buffer, ']') || CHECK(parser->buffer, '{')
|| CHECK(parser->buffer, '}'))))