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comparison util.c @ 974:fd7702bcc034

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FindFirstFile makes more sense for getting modification times of a path than using CreateFile and GetFileTimes
author Michael Pavone <pavone@retrodev.com>
date Fri, 22 Apr 2016 19:18:15 -0700
parents 4899d3ae37b3
children 51885857c019
comparison
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973:fbd783ccbadb 974:fd7702bcc034
284 return ret; 284 return ret;
285 } 285 }
286 286
287 time_t get_modification_time(char *path) 287 time_t get_modification_time(char *path)
288 { 288 {
289 HANDLE file = CreateFile(path, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL); 289 HANDLE results;
290 if (file == INVALID_HANDLE_VALUE) { 290 WIN32_FIND_DATA file;
291 results = FindFirstFile(path, &file);
292 if (results == INVALID_HANDLE_VALUE) {
291 return 0; 293 return 0;
292 } 294 }
293 FILETIME ft; 295 FindClose(results);
294 uint8_t ret = GetFileTime(file, NULL, NULL, &ft); 296 uint64_t wintime = ((uint64_t)file.ftLastWriteTime.dwHighDateTime) << 32 | file.ftLastWriteTime.dwLowDateTime;
295 CloseHandle(file); 297 //convert to seconds
296 if (ret) { 298 wintime /= 10000000;
297 uint64_t wintime = ((uint64_t)ft.dwHighDateTime) << 32 | ft.dwLowDateTime; 299 //adjust for difference between Windows and Unix Epoch
298 //convert to seconds 300 wintime -= 11644473600LL;
299 wintime /= 10000000; 301 return (time_t)wintime;
300 //adjust for difference between Windows and Unix Epoch
301 wintime -= 11644473600LL;
302 return (time_t)wintime;
303 } else {
304 return 0;
305 }
306 } 302 }
307 303
308 int ensure_dir_exists(char *path) 304 int ensure_dir_exists(char *path)
309 { 305 {
310 if (CreateDirectory(path, NULL)) { 306 if (CreateDirectory(path, NULL)) {