[libredwg] [bug #32264] segfault in R13-R14 with --enable trace.

[Rallaz]

URL:
  <http://savannah.gnu.org/bugs/?32264>

                 Summary: segfault in R13-R14 with --enable trace. 
                 Project: LibreDWG
            Submitted by: rallaz
            Submitted on: jue 27 ene 2011 16:45:29 GMT
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

If you compile LibreDWG with --enable trace and run:
export LIBREDWG_TRACE=9; ./test fileR14.dwg it crashes.

In file common_entity_handle_data.spec #line 17,18:

      if (!FIELD_VALUE(isbylayerlt))
        FIELD_HANDLE(ltype, 5);

is expanded as (pseudocode):
      if ( !isbylayerlt)
            HANDLE_ltype();
      printf(stderr, "linetype %s", HANDLE_ltype);
#crashes because allways print HANDLE_ltype

If change the code to:
      if (!FIELD_VALUE(isbylayerlt))
        {
          FIELD_HANDLE(ltype, 5);
        }

is expanded as (pseudocode):
      if ( !isbylayerlt) 
        {
            HANDLE_ltype();
            printf(stderr, "linetype %s", HANDLE_ltype);
        {
#only print if linetype is decoded







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