25 lines
460 B
C
25 lines
460 B
C
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
#include <err.h>
|
|
|
|
const char *filename = "input.txt";
|
|
|
|
int main() {
|
|
struct stat foo;
|
|
struct timeval new_times[2];
|
|
|
|
if (stat(filename, &foo) < 0)
|
|
err(1, "%s", filename);
|
|
|
|
/* keep atime unchanged */
|
|
TIMESPEC_TO_TIMEVAL(&new_times[0], &foo.st_atim);
|
|
|
|
/* set mtime to current time */
|
|
gettimeofday(&new_times[1], NULL);
|
|
|
|
if (utimes(filename, new_times) < 0)
|
|
err(1, "%s", filename);
|
|
|
|
return 0;
|
|
}
|