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Reject negative unsigned string values

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udo
2026-07-18 16:22:14 +00:00
parent 22efea8ecd
commit 39d4b41e2b
3 changed files with 15 additions and 4 deletions
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site/doc/pages/to_u64.txt
+2 -1
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@@ -14,7 +14,8 @@ to_bool
int_val
:content
Parses a trimmed string as a base-10 unsigned integer.
Parses a trimmed string as a base-10 unsigned integer. An optional leading `+`
is accepted. Negative and overflowing values return the fallback.
Unlike `int_val()`, the whole trimmed string must be consumed by the parser. Empty strings and partially parsed values such as `"42px"` return the fallback.
site/tests/io.uce
+1
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@@ -149,6 +149,7 @@ RENDER(Request& context)
cfg["yes"] = "yes";
cfg["no"] = "off";
check("to_u64() / to_s64() / to_f64() / to_bool()", to_u64(cfg["u64"], 7) == 42 && to_u64(cfg["bad"], 7) == 7 && to_s64(cfg["s64"], 5) == -12 && to_s64(cfg["bad"], 5) == 5 && to_f64(cfg["f64"], 1.0) > 3.49 && to_f64(cfg["bad"], 1.25) == 1.25 && to_bool(cfg["yes"], false) && !to_bool(cfg["no"], true) && !to_bool("unknown", false), var_dump(cfg));
check("to_u64() rejects negative and overflowing text", to_u64("-1", 7) == 7 && to_u64("+42", 7) == 42 && to_u64("18446744073709551615", 7) == 18446744073709551615ULL && to_u64("18446744073709551616", 7) == 7, std::to_string(to_u64("-1", 7)) + "/" + std::to_string(to_u64("18446744073709551616", 7)));
DValue perf = request_perf();
u64 module_misses = perf["unit_module_cache_miss_count"].to_u64();