1 /* 2 * Copyright 2002-2009, Axel Dörfler, axeld@pinc-software.de. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 7 #include <utime.h> 8 9 #include <errno.h> 10 #include <time.h> 11 12 #include <NodeMonitor.h> 13 14 #include <errno_private.h> 15 #include <syscalls.h> 16 17 18 #define RETURN_AND_SET_ERRNO(err) \ 19 if (err < 0) { \ 20 __set_errno(err); \ 21 return -1; \ 22 } \ 23 return err; 24 25 26 int 27 utime(const char *path, const struct utimbuf *times) 28 { 29 struct stat stat; 30 status_t status; 31 32 if (times != NULL) { 33 stat.st_atim.tv_sec = times->actime; 34 stat.st_mtim.tv_sec = times->modtime; 35 stat.st_atim.tv_nsec = stat.st_mtim.tv_nsec = 0; 36 } else { 37 bigtime_t now = real_time_clock_usecs(); 38 stat.st_atim.tv_sec = stat.st_mtim.tv_sec = now / 1000000; 39 stat.st_atim.tv_nsec = stat.st_mtim.tv_nsec = (now % 1000000) * 1000; 40 } 41 42 status = _kern_write_stat(-1, path, true, &stat, sizeof(struct stat), 43 B_STAT_MODIFICATION_TIME | B_STAT_ACCESS_TIME); 44 45 RETURN_AND_SET_ERRNO(status); 46 } 47 48