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» SmaugMuds.org » Bugfix Lists » SmaugFUSS 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, 2:59 pm
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Samson
Black Hand
GroupAdministrators
Posts3,644
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:
                  /*
                   * Yes, this reset here is quite necessary to cancel out other things 
                   */
                  mudstrlcpy( dst, ANSI_RESET, dstlen );
                  if( ch )
                     mudstrlcat( dst, color_str( ch->desc->pagecolor, ch ), dstlen );


Change to:
                  /*
                   * Yes, this reset here is quite necessary to cancel out other things 
                   */
                  mudstrlcpy( dst, ANSI_RESET, dstlen );
                  if( ch && ch->desc )
                     mudstrlcat( dst, color_str( ch->desc->pagecolor, ch ), dstlen );


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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