2008-10-01 Gene Smith <gene.smith@siemens.com>

	PR 1328/cpukit
	* libmisc/shell/main_mdump.c, libmisc/shell/main_mwdump.c: Fix printing
	of more than 256 bytes.

1 files changed, 30 insertions, 14 deletions

diff --git a/cpukit/libmisc/shell/main_mwdump.c b/cpukit/libmisc/shell/main_mwdump.c
index fda0a780c7..1105656814 100644
--- a/cpukit/libmisc/shell/main_mwdump.c
+++ b/cpukit/libmisc/shell/main_mwdump.c
@@ -30,30 +30,46 @@ int rtems_shell_main_mwdump(
   char *argv[]
 )
 {
-  unsigned char   n, m, max=20;
-  uintptr_t       addr=0;
-  unsigned short *pw;
-  unsigned char  *p;
+  unsigned char  n, m;
+  int            max;
+  int            res;
+  uintptr_t      addr = 0;
+  unsigned char *pb;
 
   if (argc>1)
     addr = rtems_shell_str2int(argv[1]);
 
   if (argc>2) {
     max = rtems_shell_str2int(argv[2]);
-    max /= 16;
+    if (max <= 0) {
+      max = 1;      /* print 1 item if 0 or neg. */ 
+      res = 0;
+    }
+    else {
+      max--;
+      res = max & 0xf;/* num bytes in last row */
+      max >>= 4;      /* div by 16 */
+      max++;          /* num of rows to print */
+      if (max > 20) { /* limit to 20 */
+        max = 20;
+        res = 0xf;    /* 16 bytes print in last row */
+      }
+    }
+  }
+  else {
+    max = 20;
+    res = 0xf;
   }
-
-  if (!max)
-    max = 1;
 
   for (m=0;m<max;m++) {
     printf("0x%08" PRIXPTR " ",addr);
-    p = (unsigned char *) addr;
-    pw = (unsigned short*) addr;
-    for (n=0;n<8;n++)
-      printf("%04X%c",pw[n],n==3?'-':' ');
-    for (n=0;n<16;n++) {
-      printf("%c",isprint(p[n])?p[n]:'.');
+    pb = (unsigned char *) addr;
+    for (n=0;n<=(m==(max-1)?res:0xf);n+=2)
+      printf("%04X%c",*((unsigned short*)(pb+n)),n==6?'-':' ');
+    for (;n<=0xf;n+=2)
+      printf("    %c", n==6?'-':' ');
+    for (n=0;n<=(m==(max-1)?res:0xf);n++) {
+      printf("%c", isprint(pb[n]) ? pb[n] : '.');
     }
     printf("\n");
     addr += 16;