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Merge "Update the touch command to take a human readable timestamp"

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Ken Sumrall 2013-06-28 02:46:09 +00:00 committed by Android (Google) Code Review
commit 3b2b2b5137
1 changed files with 31 additions and 4 deletions
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35
toolbox/touch.c
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@ -5,13 +5,40 @@
#include <sys/stat.h>
#include <stdlib.h>
#include <fcntl.h>
#include <time.h>
static void usage(void)
{
fprintf(stderr, "touch: usage: touch [-alm] [-t time_t] <file>\n");
fprintf(stderr, "touch: usage: touch [-alm] [-t YYYYMMDD[.hhmmss]] <file>\n");
exit(1);
}
static time_t parse_time(char *s)
{
struct tm tm;
int day = atoi(s);
int hour = 0;
while (*s && *s != '.') {
s++;
}
if (*s) {
s++;
hour = atoi(s);
}
tm.tm_year = day / 10000 - 1900;
tm.tm_mon = (day % 10000) / 100 - 1;
tm.tm_mday = day % 100;
tm.tm_hour = hour / 10000;
tm.tm_min = (hour % 10000) / 100;
tm.tm_sec = hour % 100;
tm.tm_isdst = -1;
return mktime(&tm);
}
int touch_main(int argc, char *argv[])
{
int i, fd, aflag = 0, mflag = 0, debug = 0, flags = 0;
@ -31,9 +58,9 @@ int touch_main(int argc, char *argv[])
case 't':
if ((i+1) >= argc)
usage();
specified_time.tv_sec = atol(argv[++i]);
if (specified_time.tv_sec == 0) {
fprintf(stderr, "touch: invalid time_t\n");
specified_time.tv_sec = parse_time(argv[++i]);
if (specified_time.tv_sec == -1) {
fprintf(stderr, "touch: invalid timestamp specified\n");
exit(1);
}
specified_time.tv_nsec = 0;