diff options
Diffstat (limited to 'os-win.c')
| -rw-r--r-- | os-win.c | 25 |
1 files changed, 21 insertions, 4 deletions
@@ -109,12 +109,29 @@ int os_get_cwd(char *buf, size_t buflen) { return 1; } +#error "@TODO: test this" struct timespec time_last_modified(const char *filename) { - // windows' _stat does not have st_mtim - struct _stat statbuf = {0}; struct timespec ts = {0}; - _stat(filename, &statbuf); - ts.tv_sec = statbuf.st_mtime; + FILETIME write_time = {0}; + WCHAR wide_path[4100]; + if (MultiByteToWideChar(CP_UTF8, 0, path, -1, wide_path, sizeof wide_path) == 0) + return ts; + HANDLE file = CreateFileW(wide_path, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, NULL, + OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL); + if (file == INVALID_HANDLE) + return ts; + + if (GetFileTime(file, NULL, NULL, &write_time)) { + u64 qword = (u64)write_time.dwLowDateTime + | (u64)write_time.dwHighDateTime << 32; + // annoyingly, windows gives time since jan 1, 1601 not 1970 + // https://www.wolframalpha.com/input?i=number+of+days+between+jan+1%2C+1601+and+jan+1%2C+1970 + qword -= (u64)10000000 * 134774 * 60 * 60 * 24; + ts.tv_sec = qword / 10000000; + ts.tv_nsec = (qword % 10000000) * 100; + } + + CloseHandle(file); return ts; } |