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touch: Handle nanosecond timestamps

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This commit is contained in:
Michael Forney
2015-05-16 04:57:26 +00:00
committed by sin
parent 1d28fbd6cf
commit 4132561c17
1 changed files with 11 additions and 13 deletions
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24
touch.c
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@@ -14,14 +14,14 @@
static int aflag;
static int cflag;
static int mflag;
static time_t t;
static struct timespec t;
static void
touch(const char *file)
{
int fd;
struct stat st;
struct utimbuf ut;
struct timespec times[2];
int r;
if ((r = stat(file, &st)) < 0) {
@@ -30,10 +30,10 @@ touch(const char *file)
if (cflag)
return;
} else if (!r) {
ut.actime = aflag ? t : st.st_atime;
ut.modtime = mflag ? t : st.st_mtime;
if (utime(file, &ut) < 0)
eprintf("utime %s:", file);
times[0] = aflag ? t : st.st_atim;
times[1] = mflag ? t : st.st_mtim;
if (utimensat(AT_FDCWD, file, times, 0) < 0)
eprintf("utimensat %s:", file);
return;
}
@@ -118,7 +118,7 @@ main(int argc, char *argv[])
{
struct stat st;
char *ref;
t = time(NULL);
clock_gettime(CLOCK_REALTIME, &t);
ARGBEGIN {
case 'a':
@@ -128,7 +128,8 @@ main(int argc, char *argv[])
cflag = 1;
break;
case 'd':
t = parsetime(EARGF(usage()), t);
case 't':
t.tv_sec = parsetime(EARGF(usage()), t.tv_sec);
break;
case 'm':
mflag = 1;
@@ -137,13 +138,10 @@ main(int argc, char *argv[])
ref = EARGF(usage());
if (stat(ref, &st) < 0)
eprintf("stat '%s':", ref);
t = st.st_mtime;
t = st.st_mtim;
break;
case 'T':
t = estrtonum(EARGF(usage()), 0, LLONG_MAX);
break;
case 't':
t = parsetime(EARGF(usage()), t);
t.tv_sec = estrtonum(EARGF(usage()), 0, LLONG_MAX);
break;
default:
usage();