reactos/lib/ntdll/dbg/print.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS kernel
   5  * FILE:            lib/ntdll/dbg/print.c
   6  * PURPOSE:         Debug output
   7  * PROGRAMMER:      Eric Kohl
   8  * UPDATE HISTORY:
   9  *                  Created 28/12/1999
  10  */
  11
  12 #include <ntdll.h>
  13 #define NDEBUG
  14 #include <debug.h>
  15
  16 /* FUNCTIONS ***************************************************************/
  17
  18 ULONG DbgService (ULONG Service, PVOID Context1, PVOID Context2);
  19 __asm__ ("\n\t.global _DbgService\n\t"
  20          "_DbgService:\n\t"
  21          "mov 4(%esp), %eax\n\t"
  22          "mov 8(%esp), %ecx\n\t"
  23          "mov 12(%esp), %edx\n\t"
  24          "int $0x2D\n\t"
  25          "ret\n\t");
  26
  27 /*
  28  * @unimplemented
  29  */
  30 ULONG
  31 DbgPrintEx(
  32     IN ULONG ComponentId,
  33     IN ULONG Level,
  34     IN PCH Format,
  35     ...
  36     )
  37 {
  38    ANSI_STRING DebugString;
  39    CHAR Buffer[4096];
  40    va_list ap;
  41
  42    /* init ansi string */
  43    DebugString.Buffer = Buffer;
  44    DebugString.MaximumLength = sizeof(Buffer);
  45
  46    va_start (ap, Format);
  47    DebugString.Length = _vsnprintf (Buffer, sizeof(Buffer), Format, ap);
  48    va_end (ap);
  49
  50    DbgService (1, &DebugString, NULL);
  51
  52    return (ULONG)DebugString.Length;
  53 }
  54
  55
  56 /*
  57  * @implemented
  58  */
  59 ULONG
  60 DbgPrint(PCH Format, ...)
  61 {
  62    ANSI_STRING DebugString;
  63    CHAR Buffer[4096];
  64    va_list ap;
  65
  66    /* init ansi string */
  67    DebugString.Buffer = Buffer;
  68    DebugString.MaximumLength = sizeof(Buffer);
  69
  70    va_start (ap, Format);
  71    DebugString.Length = _vsnprintf (Buffer, sizeof(Buffer), Format, ap);
  72    va_end (ap);
  73
  74
  75    return DbgPrintEx (0, 0, DebugString.Buffer);
  76 }
  77
  78
  79 /*
  80  * @implemented
  81  */
  82 VOID
  83 STDCALL
  84 DbgPrompt (
  85         PCH OutputString,
  86         PCH InputString,
  87         USHORT InputSize
  88         )
  89 {
  90         ANSI_STRING Output;
  91         ANSI_STRING Input;
  92
  93         Input.Length = 0;
  94         Input.MaximumLength = InputSize;
  95         Input.Buffer = InputString;
  96
  97         Output.Length = strlen (OutputString);
  98         Output.MaximumLength = Output.Length + 1;
  99         Output.Buffer = OutputString;
 100
 101         DbgService (2,
 102                     &Output,
 103                     &Input);
 104 }
 105
 106 /* EOF */