From: Paul Gofman <pgofman@codeweavers.com> Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50532 --- dlls/ntdll/unix/system.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/dlls/ntdll/unix/system.c b/dlls/ntdll/unix/system.c index d8781ff4e27..8b8543dc3b2 100644 --- a/dlls/ntdll/unix/system.c +++ b/dlls/ntdll/unix/system.c @@ -2883,14 +2883,25 @@ static time_t find_dst_change(time_t start, time_t end, int *is_dst) struct tm *tm; ULONGLONG min = (sizeof(time_t) == sizeof(int)) ? (ULONG)start : start; ULONGLONG max = (sizeof(time_t) == sizeof(int)) ? (ULONG)end : end; + time_t pos; tm = localtime(&start); *is_dst = !tm->tm_isdst; TRACE("starting date isdst %d, %s", !*is_dst, ctime(&start)); + for (pos = min; pos <= max; pos += 30 * 24 * 3600) + { + tm = localtime(&pos); + if (tm->tm_isdst == *is_dst) + { + max = pos; + break; + } + } + while (min <= max) { - time_t pos = (min + max) / 2; + pos = (min + max) / 2; tm = localtime(&pos); if (tm->tm_isdst != *is_dst) -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/10134