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reject leading zeros in strict-mode number parsing

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Javid Khan committed 2026-07-28 13:27:25 +05:30
1 parent 1bd2e4b3ef
commit ff18c75286
3 files changed
+33 -7
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tests/test_parse.c
+9
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@@ -366,6 +366,15 @@ struct incremental_step
{"12{", 3, 2, json_tokener_success, 1, 0},
/* Parse number in strict mode */
{"[02]", -1, 3, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
/* Leading zeros are rejected in strict mode, for every sign and type ... */
{"[00]", -1, 3, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
{"[-00]", -1, 4, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
{"[-01]", -1, 4, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
{"[-0123]", -1, 6, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
{"[01.5]", -1, 5, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
/* ... but a lone zero, "-0" and a zero before the fraction stay valid. */
{"[-0]", -1, -1, json_tokener_success, 1, JSON_TOKENER_STRICT},
{"[0.5]", -1, -1, json_tokener_success, 1, JSON_TOKENER_STRICT},
{"0e+0", 5, 4, json_tokener_success, 1, 0},
{"[0e+0]", -1, -1, json_tokener_success, 1, 0},