New files added to ease debugging.

cpukit/libmisc/dumpbuf/dumpbuf.c

@@ -0,0 +1,75 @@
+/*
+ *  COPYRIGHT (c) 1997.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may in
+ *  the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <rtems/dumpbuf.h>
+ 
+/*
+ *  Put the body below Dump_Buffer so it won't get inlined.
+ */
+
+static inline void Dump_Line(
+  unsigned char *buffer, 
+  int            length
+);
+
+void Dump_Buffer(
+  unsigned char *buffer,
+  int            length
+)
+{
+ 
+  int i, mod, max;
+ 
+  if ( !length ) return;
+ 
+  mod = length % 16;
+ 
+  max = length - mod;
+ 
+  for ( i=0 ; i<max ; i+=16 )
+    Dump_Line( &buffer[ i ], 16 );
+ 
+  if ( mod )
+    Dump_Line( &buffer[ max ], mod );
+}
+
+static inline void Dump_Line(
+  unsigned char *buffer,
+  int            length
+)
+{
+ 
+  int  i;
+  char line_buffer[120];
+ 
+  line_buffer[0] = '\0';
+ 
+  for( i=0 ; i<length ; i++ )
+    sprintf( line_buffer, "%s%02x ", line_buffer, buffer[ i ] );
+ 
+  for( ; i<16 ; i++ )
+    strcat( line_buffer, "   " );
+ 
+  strcat( line_buffer, "|" );
+  for( i=0 ; i<length ; i++ )
+    sprintf( line_buffer, "%s%c", line_buffer,
+             isprint( buffer[ i ] ) ? buffer[ i ] : '.' );
+ 
+  for( ; i<16 ; i++ )
+    strcat( line_buffer, " " );
+ 
+  strcat( line_buffer, "|\n" );
+ 
+  printf( line_buffer );
+}