tTruncate cache before reloading it - dedup - deduplicating backup program
 (HTM) git clone git://git.z3bra.org/dedup.git
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       ---
 (DIR) commit 9e6393b24468ea6887fa8a703f4e4b4f939e53fb
 (DIR) parent 31bcb5d7c375ac842c005579961586d42e019e7b
 (HTM) Author: sin <sin@2f30.org>
       Date:   Tue,  5 Mar 2019 12:02:40 +0000
       
       Truncate cache before reloading it
       
       Diffstat:
         M dedup.c                             |       2 ++
       
       1 file changed, 2 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/dedup.c b/dedup.c
       t@@ -553,6 +553,8 @@ load_cache(void)
                if (nr_entries != snap_hdr.st.nr_blks) {
                        if (verbose > 0)
                                fprintf(stderr, "Rebuilding cache\n");
       +                if (ftruncate(cfd, 0) < 0)
       +                        err(1, "ftruncate");
                        xlseek(ifd, SNAP_HDR_SIZE, SEEK_SET);
                        walk_snap(reload_cache, NULL);
                        return;