$NetBSD: patch-av,v 1.1 1999/01/10 23:52:17 tron Exp $

--- pnm/pnmtotiff.c.orig	Thu Jan 27 17:59:25 1994
+++ pnm/pnmtotiff.c	Sun Jan 10 23:48:40 1999
@@ -196,6 +196,7 @@
 	    samplesperpixel = 1;
 	    bitspersample = pm_maxvaltobits( maxval );
 	    photometric = PHOTOMETRIC_MINISBLACK;
+	    i = 8 / bitspersample;
 	    bytesperrow = ( cols + i - 1 ) / i;
 	    }
 	else
@@ -276,20 +277,20 @@
 		for ( col = 0, xP = xels[row], tP = buf;
 		      col < cols; ++col, ++xP )
 		    {
-		    register unsigned char s;
+		    register xelval s;
 
 		    s = PPM_GETR( *xP );
 		    if ( maxval != 255 )
-			s = (long) s * 255 / maxval;
-		    *tP++ = s;
+			s = s * 255 / maxval;
+		    *tP++ = (unsigned char)s;
 		    s = PPM_GETG( *xP );
 		    if ( maxval != 255 )
-			s = (long) s * 255 / maxval;
-		    *tP++ = s;
+			s = s * 255 / maxval;
+		    *tP++ = (unsigned char)s;
 		    s = PPM_GETB( *xP );
 		    if ( maxval != 255 )
-			s = (long) s * 255 / maxval;
-		    *tP++ = s;
+			s = s * 255 / maxval;
+		    *tP++ = (unsigned char)s;
 		    }
 		}
 	    else