gnu/packages/patches/unzip-overflow-long-fsize.patch

   1 Copied from Fedora.
   2
   3 http://pkgs.fedoraproject.org/cgit/unzip.git/plain/unzip-6.0-overflow-long-fsize.patch?id=d18f821e
   4
   5 diff --git a/list.c b/list.c
   6 index f7359c3..4c3d703 100644
   7 --- a/list.c
   8 +++ b/list.c
   9 @@ -97,7 +97,7 @@ int list_files(__G)    /* return PK-type error code */
  10  {
  11      int do_this_file=FALSE, cfactor, error, error_in_archive=PK_COOL;
  12  #ifndef WINDLL
  13 -    char sgn, cfactorstr[10];
  14 +    char sgn, cfactorstr[13];
  15      int longhdr=(uO.vflag>1);
  16  #endif
  17      int date_format;
  18 @@ -339,7 +339,19 @@ int list_files(__G)    /* return PK-type error code */
  19                  G.crec.compression_method == ENHDEFLATED) {
  20                  methbuf[5] = dtype[(G.crec.general_purpose_bit_flag>>1) & 3];
  21              } else if (methnum >= NUM_METHODS) {
  22 -                sprintf(&methbuf[4], "%03u", G.crec.compression_method);
  23 +                /* 2013-02-26 SMS.
  24 +                 * http://sourceforge.net/tracker/?func=detail
  25 +                 *  &aid=2861648&group_id=118012&atid=679786
  26 +                 * Unexpectedly large compression methods overflow
  27 +                 * &methbuf[].  Use the old, three-digit decimal format
  28 +                 * for values which fit.  Otherwise, sacrifice the
  29 +                 * colon, and use four-digit hexadecimal.
  30 +                 */
  31 +                if (G.crec.compression_method <= 999) {
  32 +                    sprintf( &methbuf[ 4], "%03u", G.crec.compression_method);
  33 +                } else {
  34 +                    sprintf( &methbuf[ 3], "%04X", G.crec.compression_method);
  35 +                }
  36              }
  37
  38  #if 0       /* GRR/Euro:  add this? */