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95 lines
1.3 KiB
95 lines
1.3 KiB
/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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debug.c
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Abstract:
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Author:
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Environment:
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Notes:
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Revision History:
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--*/
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#include <stdio.h> // vsprintf()
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#include <stdlib.h>
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#include <stdarg.h>
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#include <windows.h>
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#define DBGHDR "[cddump] "
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#define DBGHDRLEN (strlen( DBGHDR ))
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#if DBG
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//
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// Debug level global variable
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//
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// 0 = Extreme errors only
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// 1 = errors, major events
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// 2 = Standard debug level
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// 3 = Major code branches
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// 4+ = Step through code
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LONG DebugLevel = 0;
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VOID
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__cdecl
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CddumpDebugPrint(
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LONG DebugPrintLevel,
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PCHAR DebugMessage,
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...
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)
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/*++
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Routine Description:
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Debug print for RedBook driver
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Arguments:
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Debug print level between 0 and x, with x being the most verbose.
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Return Value:
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None
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--*/
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{
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va_list ap;
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//
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// allow negative numbers
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//
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if ((DebugPrintLevel < 0) || (DebugPrintLevel <= DebugLevel)) {
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char buffer[200]; // Potential overflow
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//
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// single print so won't swap, obscuring message
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//
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va_start( ap, DebugMessage );
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RtlCopyMemory( buffer, DBGHDR, DBGHDRLEN );
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vsprintf(buffer+DBGHDRLEN, DebugMessage, ap);
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fprintf(stderr, buffer);
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va_end(ap);
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}
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}
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#else
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// nothing
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#endif // DBG
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