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authorkientzle <kientzle@FreeBSD.org>2004-03-06 01:05:32 +0000
committerkientzle <kientzle@FreeBSD.org>2004-03-06 01:05:32 +0000
commita96c560b594bffc7166cb1c5e63654f7399add46 (patch)
tree152c719b5ac7d877522326c6b689a8a6f2201fe9 /lib/libarchive/archive_read.3
parenteec560a7c3d39c4df33de9f491596645da8bd368 (diff)
downloadFreeBSD-src-a96c560b594bffc7166cb1c5e63654f7399add46.zip
FreeBSD-src-a96c560b594bffc7166cb1c5e63654f7399add46.tar.gz
Add ARCHIVE_EXTRACT_UNLINK option to permit clients to
control how archive_extract handles pre-existing files. (Not implemented yet, but documented.)
Diffstat (limited to 'lib/libarchive/archive_read.3')
-rw-r--r--lib/libarchive/archive_read.35
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/libarchive/archive_read.3 b/lib/libarchive/archive_read.3
index c2d2c3d..c5bd04e 100644
--- a/lib/libarchive/archive_read.3
+++ b/lib/libarchive/archive_read.3
@@ -178,6 +178,11 @@ Note that restoring of atime is not currently supported.
.It Cm ARCHIVE_EXTRACT_NO_OVERWRITE
Existing files on disk will not be overwritten.
By default, existing files are unlinked before the new entry is written.
+.It Cm ARCHIVE_EXTRACT_UNLINK
+Existing files on disk will be unlinked and recreated from scratch.
+By default, existing files are truncated and rewritten, but
+the file is not recreated.
+In particular, the default behavior does not break existing hard links.
.El
.It Fn archive_read_finish
Complete the archive, invoke the close callback, and release
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