From:	gkochanski AT attmail DOT com
Date:	12 Sep 92 02:45:14 GMT
To:	djgpp AT sun DOT soe DOT clarkson DOT edu
Message-Version:	2
>To:	internet!sun.soe.clarkson.edu!djgpp
Original-Date:	Sat Sep 12 02:45:14 GMT 1992
Original-From:	attmail!gkochanski (Greg Kochanski )
Mts-Message-Id:	<gkochanski2560245150>
Ua-Content-Id:	<gkochanski2560245150>
Email-Version:	2
Subject:	Graphics Library
Ua-Message-Id:	<gkochanski2560245150>
Original-To:	attmail!internet!sun.soe.clarkson.edu!djgpp

There are a couple of minor bugs in the basic graphics library.
A couple of functions are missing a return statement for the case
where a spot on the color table cannot be allocated.

Diffs are included for the documentation and the affected file.


*** /djgpp2/docs/libgr.doc      Sat Apr 18 12:13:26 1992
--- libgr.doc   Fri Sep 11 19:02:18 1992
***************
*** 82,85
  GrAllocColor(r, g, b) - Allocate a color cell read-only.  Other calls to
    this function with the same r,g,b will return the same pixel value.

  GrAllocCell() - allocate a cell for read-write (write via GrSetColor()).

--- 82,86 -----
  GrAllocColor(r, g, b) - Allocate a color cell read-only.  Other calls to
    this function with the same r,g,b will return the same pixel value.
+   Returns -1 on failure.

  GrAllocCell() - allocate a cell for read-write (write via GrSetColor()).
***************
*** 84,87

  GrAllocCell() - allocate a cell for read-write (write via GrSetColor()).

  GrQueryColor(n, &r, &g, &b) - Query the r,g,b values of a given color cell.

--- 85,89 -----

  GrAllocCell() - allocate a cell for read-write (write via GrSetColor()).
+   Returns -1 on failure.

  GrQueryColor(n, &r, &g, &b) - Query the r,g,b values of a given color cell.




################## Diffs for colors.c #####################
*** /djgpp2/libsrc/gr/src/colors.c      Wed Apr  8 16:16:34 1992
--- colors.c    Tue Sep  8 10:21:26 1992
***************
*** 77,80
      }
    }
  }


--- 77,81 -----
      }
    }
+  return -1;
  }

***************
*** 93,96
      }
    }
  }


--- 94,98 -----
      }
    }
+  return -1;
  }

- Raw text -