1 Fix bug in directory traversal.

     2 

     3 This off-by-one error resulted in useless reexamination of the

     4 same files by descending twice into each directory.

     5 

     6 See:

     7 

     8 https://github.com/madler/pigz/commit/06b5347948ff2d675ebbeb943941e2b7610082f3

     9 

    10 This fix has already been integrated upstream.

    11 

    12 --- pigz-2.3.3/pigz.c.orig	2016-10-03 08:06:26.655873581 +0000

    13 +++ pigz-2.3.3/pigz.c	2016-10-03 08:07:23.222592284 +0000

    14 @@ -4268,7 +4268,7 @@

    15  

    16              /* run process() for each entry in the directory */

    17              base = len && g.inf[len - 1] != (unsigned char)'/' ?

    18 -                   vstrcpy(&g.inf, &g.inz, len, "/") : len;

    19 +                   vstrcpy(&g.inf, &g.inz, len, "/") - 1 : len;

    20              for (off = 0; roll[off]; off += strlen(roll + off) + 1) {

    21                  vstrcpy(&g.inf, &g.inz, base, roll + off);

    22                  process(g.inf);