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From 7977b9211356095517951e86fa53f64c6b27e16b Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Tue, 29 Apr 2025 16:50:16 -0700
Subject: [PATCH] pax: Only use _PC_TIMESTAMP_RESOLUTION if it is defined
---
bin/pax/ar_subs.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/bin/pax/ar_subs.c b/bin/pax/ar_subs.c
index 4c49efa1362..a0e4fdfdea5 100644
--- a/bin/pax/ar_subs.c
+++ b/bin/pax/ar_subs.c
@@ -167,12 +167,13 @@ cmp_file_times(int mtime_flag, int ctime_flag, ARCHD *arcn, const char *path)
else if (timespeccmp(&arcn->sb.st_mtim, &sb.st_mtim, <=))
return 1;
+#ifdef _PC_TIMESTAMP_RESOLUTION
/*
* If we got here then the target arcn > sb for mtime *and* that's
* the deciding factor. Check whether they're equal after rounding
* down the arcn mtime to the precision of the target path.
*/
- res = pathconfat(AT_FDCWD, path, _PC_TIMESTAMP_RESOLUTION,
+ res = pathconf(path, _PC_TIMESTAMP_RESOLUTION,
AT_SYMLINK_NOFOLLOW);
if (res == -1)
return 0;
@@ -195,6 +196,9 @@ cmp_file_times(int mtime_flag, int ctime_flag, ARCHD *arcn, const char *path)
return ((arcn->sb.st_mtime / res) * res) <= sb.st_mtime;
return arcn->sb.st_mtime <= ((sb.st_mtime / res) * res);
}
+#else
+ return 0;
+#endif
}
/*
--
2.49.0
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