--- c2050.c	2003-05-25 17:23:15.000000000 +0200
+++ c2050.c.oden	2008-12-24 23:46:29.000000000 +0100
@@ -129,7 +129,7 @@ int ReduceBytes(char *buffer, int bytesp
   register int redleft = 0; 
   register int redright = 0; 
   int bstart = 0;
-  while ((buffer[redleft] == 0) && (redleft < *bytesize)) redleft++;
+  while ((redleft < *bytesize) && (buffer[redleft] == 0)) redleft++;
   while ((buffer[*bytesize - 1 - redright] == 0) && 
 	 (redright < *bytesize)) redright++;
   *breite -= redleft / bytespercolumn + redright / bytespercolumn;
@@ -166,7 +166,7 @@ void PrintSweep(char *buffer, char *head
 
   if (width > 0) { /* do not print empty sweeps */
     for(i=0; i<BYTES_PER_HEADER; i++) putc(header[i], out);
-    for(i=0; i<(bytesize);i++) putc(buffer[i+bstart], out);
+    for(i=0; i<(width);i++) putc(buffer[i+bstart], out);
   }
 } /* PrintSweep */	
 
@@ -299,7 +299,7 @@ void LexPrint(FILE *in, FILE *out) {
 
 	  /* This extracts the nibbles and transforms them to the bits
 	     in the output stream. */
-	  for(i=0; (i <= blkwidth); i++)
+	  for(i=0; (i < blkwidth); i++)
 	    {                              
 	      nibble = (line[i/2] << (4 * (i % 2))) & 0xF0;