patches/unzip/unzip-6.0-overflow-long-fsize.patch

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