[PATCH] ax-gdb, null ptr guard

[msnyder@sonic.net]

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Coverity...


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2007-07-24  Michael Snyder  <msnyder@access-company.com>

	* ax-gdb.c (find_field): Guard against null ptr.

Index: ax-gdb.c
===================================================================
RCS file: /cvs/src/src/gdb/ax-gdb.c,v
retrieving revision 1.34
diff -p -r1.34 ax-gdb.c
*** ax-gdb.c	13 Jun 2007 17:11:09 -0000	1.34
--- ax-gdb.c	24 Jul 2007 20:18:36 -0000
*************** find_field (struct type *type, char *nam
*** 1172,1183 ****
      {
        char *this_name = TYPE_FIELD_NAME (type, i);
  
!       if (this_name && strcmp (name, this_name) == 0)
! 	return i;
  
!       if (this_name[0] == '\0')
! 	internal_error (__FILE__, __LINE__,
! 			_("find_field: anonymous unions not supported"));
      }
  
    error (_("Couldn't find member named `%s' in struct/union `%s'"),
--- 1172,1186 ----
      {
        char *this_name = TYPE_FIELD_NAME (type, i);
  
!       if (this_name)
! 	{
! 	  if (strcmp (name, this_name) == 0)
! 	    return i;
  
! 	  if (this_name[0] == '\0')
! 	    internal_error (__FILE__, __LINE__,
! 			    _("find_field: anonymous unions not supported"));
! 	}
      }
  
    error (_("Couldn't find member named `%s' in struct/union `%s'"),