[klibc] [klibc:update-dash] builtin: Greater resolution in test -nt / test -ot
klibc-bot for Martijn Dekker
martijn at inlv.org
Thu Jan 24 19:15:51 PST 2019
Commit-ID: bae97a14a3dab910cd57c1d36003b18a869f788f
Gitweb: http://git.kernel.org/?p=libs/klibc/klibc.git;a=commit;h=bae97a14a3dab910cd57c1d36003b18a869f788f
Author: Martijn Dekker <martijn at inlv.org>
AuthorDate: Wed, 7 Mar 2018 17:32:29 +0000
Committer: Ben Hutchings <ben at decadent.org.uk>
CommitDate: Fri, 25 Jan 2019 02:57:21 +0000
[klibc] builtin: Greater resolution in test -nt / test -ot
Op 07-03-18 om 15:46 schreef Martijn Dekker:
> Op 06-03-18 om 09:19 schreef Herbert Xu:
>> On Thu, Jun 22, 2017 at 10:30:02AM +0200, Petr Skočík wrote:
>>> would you be willing to pull something like this?
> [...]
>>> I could use greater resolution in `test -nt` / `test -ot`, and st_mtim
>>> field is standardized under POSIX.1-2008 (or so stat(2) says).
>>
>> Sure. But your patch is corrupted.
>
> Fixed patch attached.
>
> But I wouldn't apply it as is. My system does not have st_mtim. So I
> think it needs a configure test and a fallback to the old method.
Here's an attempt to make that happen. See attached.
- M.
Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
Signed-off-by: Ben Hutchings <ben at decadent.org.uk>
---
usr/dash/bltin/test.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/usr/dash/bltin/test.c b/usr/dash/bltin/test.c
index 58c05fec..d1458df3 100644
--- a/usr/dash/bltin/test.c
+++ b/usr/dash/bltin/test.c
@@ -476,9 +476,17 @@ newerf (const char *f1, const char *f2)
{
struct stat b1, b2;
+#ifdef HAVE_ST_MTIM
+ return (stat (f1, &b1) == 0 &&
+ stat (f2, &b2) == 0 &&
+ ( b1.st_mtim.tv_sec > b2.st_mtim.tv_sec ||
+ (b1.st_mtim.tv_sec == b2.st_mtim.tv_sec && (b1.st_mtim.tv_nsec > b2.st_mtim.tv_nsec )))
+ );
+#else
return (stat (f1, &b1) == 0 &&
stat (f2, &b2) == 0 &&
b1.st_mtime > b2.st_mtime);
+#endif
}
static int
@@ -486,9 +494,17 @@ olderf (const char *f1, const char *f2)
{
struct stat b1, b2;
+#ifdef HAVE_ST_MTIM
+ return (stat (f1, &b1) == 0 &&
+ stat (f2, &b2) == 0 &&
+ (b1.st_mtim.tv_sec < b2.st_mtim.tv_sec ||
+ (b1.st_mtim.tv_sec == b2.st_mtim.tv_sec && (b1.st_mtim.tv_nsec < b2.st_mtim.tv_nsec )))
+ );
+#else
return (stat (f1, &b1) == 0 &&
stat (f2, &b2) == 0 &&
b1.st_mtime < b2.st_mtime);
+#endif
}
static int
More information about the klibc
mailing list