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#define _BSD_SOURCE
#include <stdlib.h>
#include <sys/time.h>
#include <stdio.h>
#include <err.h>
/*
* Busybox touch currently doesn't do any special symlink handling; this
* program is used to change the modification times of symbolic links.
*/
int set_link_mtime(char *filepath, int mtime)
{
struct timeval tv[2] = { {.tv_sec = mtime}, {.tv_sec = mtime} };
if (lutimes(filepath, tv) == -1) {
err(EXIT_FAILURE, NULL);
}
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
char *endptr;
long mtime;
if (argc != 3) {
fprintf(stderr, "Usage: %s FILE_PATH TIMESTAMP\n", argv[0]);
return EXIT_FAILURE;
}
mtime = strtol(argv[2], &endptr, 10);
if (*endptr != '\0') {
fprintf(stderr, "TIMESTAMP must not include non-digits\n");
return EXIT_FAILURE;
}
return set_link_mtime(argv[1], mtime);
}
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