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From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Thu, 17 Jul 2014 17:51:44 +0200
Subject: [PATCH] preserve symlink timestamps if possible
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
libbb/unarchive.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/libbb/unarchive.c b/libbb/unarchive.c
index e2e016b846d4..ede16c2a3fc3 100644
--- a/libbb/unarchive.c
+++ b/libbb/unarchive.c
@@ -21,6 +21,7 @@
#include <stdio.h>
#include <errno.h>
+#include <fcntl.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
@@ -240,6 +241,16 @@ extract_archive(FILE *src_stream, FILE *out_stream,
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
lchown(full_name, file_entry->uid, file_entry->gid);
#endif
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 6)
+ if (function & extract_preserve_date) {
+ struct timespec times[2];
+ times[0].tv_sec = file_entry->mtime;
+ times[0].tv_nsec = 0;
+ times[1].tv_sec = file_entry->mtime;
+ times[1].tv_nsec = 0;
+ utimensat(AT_FDCWD, full_name, times, AT_SYMLINK_NOFOLLOW);
+ }
+#endif
} else {
if (function & extract_preserve_date) {
t.actime = file_entry->mtime;
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