| Subject: | Patch to add lstat() call. |
Time::HiRes provides a high-resolution version of stat(), but not of
lstat(). (see issue 78732)
This patch adds lstat(). It's based on version 1.9719 of Time::HiRes.
(I've also submitted this patch via github repository "gitpan /
Time-HiRes")
| Subject: | time-hires-lstat.patch |
diff -u -r perl-5.10.1/ext/Time-HiRes/HiRes.pm perl-5.10.1.patched/ext/Time-HiRes/HiRes.pm
--- perl-5.10.1/ext/Time-HiRes/HiRes.pm 2009-04-14 20:30:58.000000000 +0200
+++ perl-5.10.1.patched/ext/Time-HiRes/HiRes.pm 2013-02-14 17:49:30.931141000 +0100
@@ -20,7 +20,7 @@
d_usleep d_ualarm d_gettimeofday d_getitimer d_setitimer
d_nanosleep d_clock_gettime d_clock_getres
d_clock d_clock_nanosleep
- stat
+ stat lstat
);
$VERSION = '1.9719';
@@ -86,7 +86,7 @@
use Time::HiRes qw( usleep ualarm gettimeofday tv_interval nanosleep
clock_gettime clock_getres clock_nanosleep clock
- stat );
+ stat lstat );
usleep ($microseconds);
nanosleep ($nanoseconds);
@@ -124,10 +124,11 @@
my $ticktock = clock();
- use Time::HiRes qw( stat );
+ use Time::HiRes qw( stat lstat );
my @stat = stat("file");
my @stat = stat(FH);
+ my @lstat = lstat("link");
=head1 DESCRIPTION
@@ -423,6 +424,11 @@
the access time stamp from t2 need not be greater-than the modify
time stamp from t1: it may be equal or I<less>.
+=item lstat
+
+Like stat(), but for symbolic links. lstat() can not be performed
+on filehandles. Always use a filename.
+
=back
=head1 EXAMPLES
@@ -489,8 +495,9 @@
my $clock1 = clock();
my $clockd = $clock1 - $clock0;
- use Time::HiRes qw( stat );
+ use Time::HiRes qw( stat lstat );
my ($atime, $mtime, $ctime) = (stat("istics"))[8, 9, 10];
+ my ($atime, $mtime, $ctime) = (lstat("link"))[8, 9, 10];
=head1 C API
@@ -569,7 +576,7 @@
Your system documentation for C<clock>, C<clock_gettime>,
C<clock_getres>, C<clock_nanosleep>, C<clock_settime>, C<getitimer>,
-C<gettimeofday>, C<setitimer>, C<sleep>, C<stat>, C<ualarm>.
+C<gettimeofday>, C<setitimer>, C<sleep>, C<stat>, C<lstat>, C<ualarm>.
=head1 AUTHORS
diff -u -r perl-5.10.1/ext/Time-HiRes/HiRes.xs perl-5.10.1.patched/ext/Time-HiRes/HiRes.xs
--- perl-5.10.1/ext/Time-HiRes/HiRes.xs 2009-04-14 20:30:58.000000000 +0200
+++ perl-5.10.1.patched/ext/Time-HiRes/HiRes.xs 2013-02-15 14:41:12.661185000 +0100
@@ -1255,3 +1255,37 @@
XSRETURN(13);
}
XSRETURN(0);
+
+void
+lstat(...)
+PROTOTYPE: ;$
+ PPCODE:
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVsv(items == 1 ? ST(0) : DEFSV)));
+ PUTBACK;
+ ENTER;
+ PL_laststatval = -1;
+ PL_op->op_type = OP_LSTAT;
+ (void)*(PL_ppaddr[OP_LSTAT])(aTHXR);
+ SPAGAIN;
+ LEAVE;
+ if (PL_laststatval == 0) {
+ /* We assume that pp_stat() left us with 13 valid stack items,
+ * and that the timestamps are at offsets 8, 9, and 10. */
+ UV atime = SvUV(ST( 8));
+ UV mtime = SvUV(ST( 9));
+ UV ctime = SvUV(ST(10));
+ UV atime_nsec;
+ UV mtime_nsec;
+ UV ctime_nsec;
+ hrstatns(atime, mtime, ctime,
+ &atime_nsec, &mtime_nsec, &ctime_nsec);
+ if (atime_nsec)
+ ST( 8) = sv_2mortal(newSVnv(atime + 1e-9 * (NV) atime_nsec));
+ if (mtime_nsec)
+ ST( 9) = sv_2mortal(newSVnv(mtime + 1e-9 * (NV) mtime_nsec));
+ if (ctime_nsec)
+ ST(10) = sv_2mortal(newSVnv(ctime + 1e-9 * (NV) ctime_nsec));
+ XSRETURN(13);
+ }
+ XSRETURN(0);
diff -u -r perl-5.10.1/ext/Time-HiRes/Makefile.PL perl-5.10.1.patched/ext/Time-HiRes/Makefile.PL
--- perl-5.10.1/ext/Time-HiRes/Makefile.PL 2009-04-14 20:30:58.000000000 +0200
+++ perl-5.10.1.patched/ext/Time-HiRes/Makefile.PL 2013-02-15 13:32:10.777714000 +0100
@@ -627,6 +627,7 @@
EOM
$has_stat_st_xtimespec++;
DEFINE('TIME_HIRES_STAT', 1);
+ DEFINE('TIME_HIRES_LSTAT', 1);
}
if ($has_stat_st_xtimespec) {
@@ -647,6 +648,7 @@
EOM
$has_stat_st_xtimensec++;
DEFINE('TIME_HIRES_STAT', 2);
+ DEFINE('TIME_HIRES_LSTAT', 2);
}
if ($has_stat_st_xtimensec) {
@@ -667,6 +669,7 @@
EOM
$has_stat_st_xtime_n++;
DEFINE('TIME_HIRES_STAT', 3);
+ DEFINE('TIME_HIRES_LSTAT', 3);
}
if ($has_stat_st_xtime_n) {
@@ -687,6 +690,7 @@
EOM
$has_stat_st_xtim++;
DEFINE('TIME_HIRES_STAT', 4);
+ DEFINE('TIME_HIRES_LSTAT', 4);
}
if ($has_stat_st_xtim) {
@@ -707,6 +711,7 @@
EOM
$has_stat_st_uxtime++;
DEFINE('TIME_HIRES_STAT', 5);
+ DEFINE('TIME_HIRES_LSTAT', 5);
}
if ($has_stat_st_uxtime) {
@@ -797,7 +802,7 @@
TIMER_ABSTIME);
foreach (qw (d_usleep d_ualarm d_gettimeofday d_getitimer d_setitimer
d_nanosleep d_clock_gettime d_clock_getres
- d_clock d_clock_nanosleep d_hires_stat)) {
+ d_clock d_clock_nanosleep d_hires_stat d_hires_lstat)) {
my $macro = $_;
if ($macro =~ /^(d_nanosleep|d_clock_gettime|d_clock_getres|d_clock|d_clock_nanosleep)$/) {
$macro =~ s/^d_(.+)/TIME_HIRES_\U$1/;
@@ -807,6 +812,12 @@
push @names, {name => $_, macro => "TIME_HIRES_STAT", value => $d_hires_stat,
default => ["IV", "0"]};
next;
+ } elsif ($macro =~ /^(d_hires_lstat)$/) {
+ my $d_hires_lstat = 0;
+ $d_hires_lstat = $1 if ($DEFINE =~ /-DTIME_HIRES_LSTAT=(\d+)/);
+ push @names, {name => $_, macro => "TIME_HIRES_LSTAT", value => $d_hires_lstat,
+ default => ["IV", "0"]};
+ next;
} else {
$macro =~ s/^d_(.+)/HAS_\U$1/;
}