[navaraf] 12894: Change vsprint to _vsnprintf in PrintString to prevent potential buffer overflows. Patch by Uwe Matthaeus <[e-mail]>.

Change vsprint to _vsnprintf in PrintString to prevent potential buffer
overflows. Patch by Uwe Matthaeus [e-mail].
Modified: trunk/reactos/ntoskrnl/kd/kdebug.c
  _____

Modified: trunk/reactos/ntoskrnl/kd/kdebug.c
--- trunk/reactos/ntoskrnl/kd/kdebug.c	2005-01-08 22:08:29 UTC (rev
12893)
+++ trunk/reactos/ntoskrnl/kd/kdebug.c	2005-01-08 23:36:03 UTC (rev
12894)
@@ -60,7 +60,8 @@

va_list ap;

va_start(ap, fmt);
-  vsprintf(buffer, fmt, ap);
+  _vsnprintf(buffer, sizeof(buffer) - 1, fmt, ap);
+  buffer[sizeof(buffer) - 1] = 0;
   va_end(ap);

HalDisplayString(buffer);