270769 2024-03-10 13:44:25 -0700 [JSC] DatePrototype.cpp(337,29): error: 'snprintf' will always be truncated; specified size is 28, but format string expands to at least 29 [-Werror,-Wformat-truncation] 2024-03-11 13:26:16 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 fujii fujii webkit-bug-importer oldest_to_newest 2019958 0 fujii 2024-03-10 13:44:25 -0700 Clang 18.0.1 reports an warning for Windows port. In file included from C:\w\WebKitBuild\Debug\JavaScriptCore\DerivedSources\unified-sources\UnifiedSource-f2e18ffc-8.cpp:1: C:\PSDEV\wc\Source\JavaScriptCore\runtime/DatePrototype.cpp(337,29): error: 'snprintf' will always be truncated; specified size is 28, but format string expands to at least 29 [-Werror,-Wformat-truncation] 337 | charactersWritten = snprintf(buffer, sizeof(buffer), "%+07d-%02d-%02dT%02d:%02d:%02d.%03dZ", gregorianDateTime->year(), gregorianDateTime->month() + 1, gregorianDateTime->monthDay(), gregorianDateTime->hour(), gregorianDateTime->minute(), gregorianDateTime->second(), ms); | ^ 1 error generated. 2019963 1 fujii 2024-03-10 14:23:53 -0700 Seems like this issue. -Wformat-truncation warning size does not agree with the return value from snprintf · Issue #71320 · llvm/llvm-project https://github.com/llvm/llvm-project/issues/71320 2019966 2 fujii 2024-03-10 14:47:36 -0700 Pull request: https://github.com/WebKit/WebKit/pull/25692 2020219 3 ews-feeder 2024-03-11 13:25:15 -0700 Committed 275926@main (65fd9be34cc1): <https://commits.webkit.org/275926@main> Reviewed commits have been landed. Closing PR #25692 and removing active labels. 2020220 4 webkit-bug-importer 2024-03-11 13:26:16 -0700 <rdar://problem/124404812>