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» SmaugMuds.org » Bugfix Lists » SWR FUSS Bugfix List » [Bug] Switched PC's cause cra...
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[Bug] Switched PC's cause crash in color processing
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Post is unread #1 Nov 5, 2006, 3:07 pm
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Samson
Black Hand
GroupAdministrators
Posts3,639
JoinedJan 1, 2002

Bug: Switched PC's cause crash in color processing
Danger: Low - Not an issue unless switched into an NPC.
Found by: Samson
Fixed by: Samson

---

color.c, colorcode

Locate:
            case 'D':  /* Reset to custom color for whatever is being displayed */
               strncpy( code, ANSI_RESET, 20 ); /* Yes, this reset here is quite necessary to cancel out other things */
               if( ch )
                  strncat( code, color_str( ch->desc->pagecolor, ch ), 20 );
               break;


Change to:
            case 'D':  /* Reset to custom color for whatever is being displayed */
               strncpy( code, ANSI_RESET, 20 ); /* Yes, this reset here is quite necessary to cancel out other things */
               if( ch && ch->desc )
                  strncat( code, color_str( ch->desc->pagecolor, ch ), 20 );
               break;


This particular part of the processing code does not verify that there is a valid descriptor before performing operations on it. Generally a bad idea. Most often affects switched imms, but could possibly be triggered by forcing linkdead players as well.
       
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