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convert external debug output from message boxes to real debug output on serial

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svn path=/branches/ros-amd64-bringup/; revision=34747
This commit is contained in:
Timo Kreuzer 2008-07-24 16:44:01 +00:00
parent 222bbb2c4a
commit 3a0c3db1e0
1 changed files with 35 additions and 0 deletions
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35
reactos/boot/freeldr/freeldr/reactos/reactos.c
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@ -874,6 +874,7 @@ LoadAndBootReactOS(PCSTR OperatingSystemName)
}
#undef DbgPrint
#if 0
ULONG
DbgPrint(const char *Format, ...)
{
@ -903,5 +904,39 @@ DbgPrint(const char *Format, ...)
va_end(ap);
return 0;
}
#else
VOID DebugPrintChar(UCHAR Character);
ULONG
DbgPrint(const char *Format, ...)
{
va_list ap;
CHAR Buffer[512];
ULONG Length;
char *ptr = Buffer;
va_start(ap, Format);
/* Construct a string */
Length = _vsnprintf(Buffer, 512, Format, ap);
/* Check if we went past the buffer */
if (Length == -1)
{
/* Terminate it if we went over-board */
Buffer[sizeof(Buffer) - 1] = '\n';
/* Put maximum */
Length = sizeof(Buffer);
}
while (*ptr)
{
DebugPrintChar(*ptr++);
}
va_end(ap);
return 0;
}
#endif
/* EOF */