560 lines
16 KiB
C
560 lines
16 KiB
C
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/*** binfmt.c - Binary Data Format services
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*
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* This module contains format services for converting binary data into format
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* text strings according to the format record.
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*
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* Copyright (c) 1995,1996 Microsoft Corporation
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* Author: Michael Tsang (MikeTs)
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* Created 11/06/95
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*
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* MODIFICATION HISTORY
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*/
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#ifdef __UNASM
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#pragma warning (disable: 4001)
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#include "basedef.h"
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#define USE_CRUNTIME
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#include "binfmt.h"
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typedef int (*PFNFMT)(char *, PFMTHDR, BYTE *, DWORD *);
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//Local function prototypes
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int FormatNum(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset);
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int FormatEnum(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset);
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int FormatBits(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset);
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int FormatString(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset);
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int GetData(BYTE bUnitSize, BYTE *pb, DWORD dwOffset, DWORD *pdwData);
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int PrintData(char *pszBuffer, BYTE bUnitSize, DWORD dwData, BOOL fPadSpace);
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char szDefSep[] = SZ_SEP_SPACE;
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char szDefOffsetFmt[] = SZ_FMT_WORDOFFSET;
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PFNFMT FmtFuncTable[] =
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{
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FormatNum, //0: FMT_NUMBER
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FormatEnum, //1: FMT_ENUM
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FormatBits, //2: FMT_BITS
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FormatString, //3: FMT_STRING
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};
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#define NUM_FMT_FUNCS (sizeof(FmtFuncTable)/sizeof(PFNFMT))
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#ifdef FPRINTF
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/***EP BinFPrintf - Binary fprintf
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*
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* ENTRY
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* pfile -> output file
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* pszBuffer -> buffer to hold the formatted string
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* (if NULL, use internal buffer)
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* pfmt -> format record array
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* pb -> binary data buffer
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* pdwOffset -> offset to binary data buffer (if NULL, use internal)
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* pszOffsetFormat -> offset format string (can be NULL)
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*
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* EXIT-SUCCESS
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* returns FERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int BinFPrintf(FILE *pfile, char *pszBuffer, PFMT pfmt, BYTE *pb,
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DWORD *pdwOffset, char *pszOffsetFormat)
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{
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TRACENAME("BINFPRINTF")
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int rc = FERR_NONE;
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DWORD dwOffset = 0, dwOldOffset;
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DWORD dwData;
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char szBuff[256];
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char *psz = pszBuffer? pszBuffer: szBuff;
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DWORD *pdw = pdwOffset? pdwOffset: &dwOffset;
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ENTER(4, ("BinFPrintf(pszBuff=%lx,pfmt=%lx,pdwOffset=%lx,Offset=%lx)\n",
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pszBuffer, pfmt, pdwOffset, pdwOffset? *pdwOffset: 0));
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if (pfmt != NULL)
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{
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BYTE i, j;
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for (i = 0; pfmt[i].pfmtType != NULL; ++i)
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{
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if (pfmt[i].pszLabel != NULL)
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{
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if (pszOffsetFormat != NULL)
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{
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FPRINTF(pfile, pszOffsetFormat,
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*pdw, pfmt[i].pfmtType->bUnitSize);
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if (pfmt[i].pfmtType->dwfFormat & FMTF_NO_RAW_DATA)
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{
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FPRINTF(pfile, " ");
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}
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else
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{
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if (GetData(pfmt[i].pfmtType->bUnitSize, pb, *pdw,
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&dwData) == FERR_NONE)
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{
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PrintData(psz, pfmt[i].pfmtType->bUnitSize, dwData,
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TRUE);
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FPRINTF(pfile, psz);
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}
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for (j = 1; j < pfmt[i].pfmtType->bUnitCnt; ++j)
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{
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if (GetData(pfmt[i].pfmtType->bUnitSize, pb,
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*pdw + j*pfmt[i].pfmtType->bUnitSize,
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&dwData) == FERR_NONE)
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{
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FPRINTF(pfile, ",");
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PrintData(psz, pfmt[i].pfmtType->bUnitSize,
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dwData, FALSE);
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FPRINTF(pfile, psz);
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}
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}
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}
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}
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if (pfmt[i].pszLabel[0] != '\0')
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FPRINTF(pfile, ";%s", pfmt[i].pszLabel);
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else
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FPRINTF(pfile, "\n");
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}
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dwOldOffset = *pdw;
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if ((pfmt[i].pszLabel != NULL) && (pfmt[i].pszLabel[0] == '\0'))
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{
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*pdw += pfmt[i].pfmtType->bUnitCnt*pfmt[i].pfmtType->bUnitSize;
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}
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else
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{
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if (pfmt[i].pszLabel == NULL)
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FPRINTF(pfile, ",");
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rc = BinSprintf(psz, pfmt[i].pfmtType, pb, pdw);
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if (rc == FERR_NONE)
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{
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char *psz1, *psz2;
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BOOL fSpace = FALSE, fInQuote = FALSE, fInString = FALSE;
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for (psz1 = psz2 = psz; *psz2 != '\0'; ++psz2)
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{
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if (*psz2 == '"')
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{
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fSpace = FALSE;
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fInString = ~fInString;
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*psz1 = *psz2;
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psz1++;
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}
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else if (*psz2 == '\'')
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{
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fSpace = FALSE;
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fInQuote = ~fInQuote;
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*psz1 = *psz2;
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psz1++;
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}
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else if (*psz2 == ' ')
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{
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if (!fSpace && !fInString && !fInQuote &&
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(psz1 != psz))
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{
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*psz1 = ',';
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psz1++;
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}
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else if (fInString || fInQuote)
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{
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*psz1 = *psz2;
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psz1++;
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}
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fSpace = TRUE;
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}
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else
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{
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fSpace = FALSE;
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*psz1 = *psz2;
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psz1++;
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}
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}
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if ((psz1 > psz) && (*(psz1 - 1) == ','))
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*(psz1 - 1) = '\0';
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else if ((psz1 > psz) && (*(psz1 - 1) == '\n') &&
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(*(psz1 - 2) == ','))
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{
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*(psz1 - 2) = '\n';
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*(psz1 - 1) = '\0';
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}
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else
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*psz1 = '\0';
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FPRINTF(pfile, psz);
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}
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}
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if (pfmt[i].lpfn != NULL)
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(*pfmt[i].lpfn)(pfile, pb, dwOldOffset);
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}
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}
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EXIT(4, ("BinFPrintf=%d (Offset=%lx,Buff=%s)\n",
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rc, *pdwOffset, pszBuffer));
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return rc;
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} //BinFPrintf
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#endif //ifdef FPRINTF
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/***EP BinSprintf - Binary sprintf
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*
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* ENTRY
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* pszBuffer -> buffer to hold the formatted string
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* pfmt -> format record
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* pb -> binary data buffer
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* pdwOffset -> offset to binary data buffer
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*
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* EXIT-SUCCESS
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* returns FERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int BinSprintf(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset)
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{
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TRACENAME("BINSPRINTF")
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int rc = FERR_NONE;
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ENTER(4, ("BinSprintf(fmt=%d,Offset=%lx)\n", pfmt->bFmtType, *pdwOffset));
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if (pfmt->bFmtType >= NUM_FMT_FUNCS)
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rc = FERR_INVALID_FORMAT;
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else
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{
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int i;
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BYTE j;
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DWORD dwData;
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*pszBuffer = '\0';
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for (i = 0; (rc == FERR_NONE) && (i < pfmt->iRepeatCnt); ++i)
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{
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if (pfmt->dwfFormat & FMTF_PRINT_OFFSET)
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{
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SPRINTF(pszBuffer,
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pfmt->pszOffsetFmt? pfmt->pszOffsetFmt: szDefOffsetFmt,
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*pdwOffset);
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}
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if (!(pfmt->dwfFormat & FMTF_NO_PRINT_DATA) &&
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(GetData(pfmt->bUnitSize, pb, *pdwOffset, &dwData) ==
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FERR_NONE))
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{
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PrintData(pszBuffer, pfmt->bUnitSize, dwData, FALSE);
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STRCAT(pszBuffer, ";");
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}
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if (pfmt->pszLabel)
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STRCAT(pszBuffer, pfmt->pszLabel);
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for (j = 0; (rc == FERR_NONE) && (j < pfmt->bUnitCnt); ++j)
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{
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rc = (*FmtFuncTable[pfmt->bFmtType])
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(&pszBuffer[STRLEN(pszBuffer)], pfmt, pb, pdwOffset);
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if (rc == FERR_NONE)
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{
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if (!(pfmt->dwfFormat & FMTF_NO_SEP))
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{
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STRCAT(pszBuffer,
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pfmt->pszFieldSep? pfmt->pszFieldSep: szDefSep);
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}
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if (!(pfmt->dwfFormat & FMTF_NO_INC_OFFSET))
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*pdwOffset += pfmt->bUnitSize;
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}
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}
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if ((rc == FERR_NONE) && !(pfmt->dwfFormat & FMTF_NO_EOL))
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{
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STRCAT(pszBuffer, "\n");
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}
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}
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}
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EXIT(4, ("BinSprintf=%d (Offset=%lx,Buff=%s)\n",
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rc, *pdwOffset, pszBuffer));
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return rc;
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} //BinSprintf
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/***LP FormatNum - Format numbers
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*
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* ENTRY
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* pszBuffer -> buffer to hold formatted string
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* pfmt -> format record
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* pb -> binary data buffer
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* pdwOffset -> offset to binary data buffer
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*
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* EXIT-SUCCESS
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* returns FERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int FormatNum(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset)
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{
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TRACENAME("FORMATNUM")
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int rc;
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PFMTNUM pfmtNum = (PFMTNUM)pfmt;
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DWORD dwData;
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ENTER(5, ("FormatNum(Offset=%lx)\n", *pdwOffset));
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if ((rc = GetData(pfmt->bUnitSize, pb, *pdwOffset, &dwData)) == FERR_NONE)
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{
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dwData &= pfmtNum->dwMask;
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dwData >>= pfmtNum->bShiftCnt;
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SPRINTF(&pszBuffer[STRLEN(pszBuffer)], pfmtNum->pszNumFmt, dwData);
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}
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EXIT(5, ("FormatNum=%d (Offset=%lx,Buff=%s)\n",
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rc, *pdwOffset, pszBuffer));
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return rc;
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} //FormatNum
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/***LP FormatEnum - Format enumerated values
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*
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* ENTRY
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* pszBuffer -> buffer to hold formatted string
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* pfmt -> format record
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* pb -> binary data buffer
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* pdwOffset -> offset to binary data buffer
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*
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* EXIT-SUCCESS
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* returns FERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int FormatEnum(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset)
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{
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TRACENAME("FORMATENUM")
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int rc = FERR_NONE;
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PFMTENUM pfmtEnum = (PFMTENUM)pfmt;
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DWORD dwData;
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ENTER(5, ("FormatEnum(Offset=%lx)\n", *pdwOffset));
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if ((rc = GetData(pfmt->bUnitSize, pb, *pdwOffset, &dwData)) == FERR_NONE)
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{
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dwData &= pfmtEnum->dwMask;
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dwData >>= pfmtEnum->bShiftCnt;
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if ((dwData < pfmtEnum->dwStartEnum) || (dwData > pfmtEnum->dwEndEnum))
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STRCAT(pszBuffer, pfmtEnum->pszOutOfRange);
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else
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{
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dwData -= pfmtEnum->dwStartEnum;
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STRCAT(pszBuffer, pfmtEnum->ppszEnumNames[dwData]);
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}
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}
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EXIT(5, ("FormatEnum=%d (Offset=%lx,Buff=%s)\n",
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rc, *pdwOffset, pszBuffer));
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return rc;
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} //FormatEnum
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/***LP FormatBits - Format bit values
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*
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* ENTRY
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* pszBuffer -> buffer to hold formatted string
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* pfmt -> format record
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* pb -> binary data buffer
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* pdwOffset -> offset to binary data buffer
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*
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* EXIT-SUCCESS
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* returns FERR_NONE
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* EXIT-FAILURE
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* returns negative error code
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*/
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int FormatBits(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset)
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{
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TRACENAME("FORMATBITS")
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int rc = FERR_NONE;
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PFMTBITS pfmtBits = (PFMTBITS)pfmt;
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DWORD dwData;
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ENTER(5, ("FormatBits(Offset=%lx)\n", *pdwOffset));
|
||
|
|
|
||
|
|
if ((rc = GetData(pfmt->bUnitSize, pb, *pdwOffset, &dwData)) == FERR_NONE)
|
||
|
|
{
|
||
|
|
int i, j;
|
||
|
|
DWORD dw;
|
||
|
|
|
||
|
|
for (i = 31, j = 0; i >= 0; --i)
|
||
|
|
{
|
||
|
|
dw = 1L << i;
|
||
|
|
if (pfmtBits->dwMask & dw)
|
||
|
|
{
|
||
|
|
if (dwData & dw)
|
||
|
|
{
|
||
|
|
if ((pfmtBits->ppszOnNames != NULL) &&
|
||
|
|
(pfmtBits->ppszOnNames[j] != NULL))
|
||
|
|
{
|
||
|
|
STRCAT(pszBuffer, pfmtBits->ppszOnNames[j]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if ((pfmtBits->ppszOffNames != NULL) &&
|
||
|
|
(pfmtBits->ppszOffNames[j] != NULL))
|
||
|
|
{
|
||
|
|
STRCAT(pszBuffer, pfmtBits->ppszOffNames[j]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!(pfmt->dwfFormat & FMTF_NO_SEP))
|
||
|
|
{
|
||
|
|
STRCAT(pszBuffer,
|
||
|
|
pfmt->pszFieldSep? pfmt->pszFieldSep: szDefSep);
|
||
|
|
}
|
||
|
|
|
||
|
|
j++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT(5, ("FormatBits=%d (Offset=%lx,Buff=%s)\n",
|
||
|
|
rc, *pdwOffset, pszBuffer));
|
||
|
|
return rc;
|
||
|
|
} //FormatBits
|
||
|
|
|
||
|
|
/***LP FormatString - Format string data
|
||
|
|
*
|
||
|
|
* ENTRY
|
||
|
|
* pszBuffer -> buffer to hold formatted string
|
||
|
|
* pfmt -> format record
|
||
|
|
* pb -> binary data buffer
|
||
|
|
* pdwOffset -> offset to binary data buffer
|
||
|
|
*
|
||
|
|
* EXIT-SUCCESS
|
||
|
|
* returns FERR_NONE
|
||
|
|
* EXIT-FAILURE
|
||
|
|
* returns negative error code
|
||
|
|
*/
|
||
|
|
|
||
|
|
int FormatString(char *pszBuffer, PFMTHDR pfmt, BYTE *pb, DWORD *pdwOffset)
|
||
|
|
{
|
||
|
|
TRACENAME("FORMATSTRING")
|
||
|
|
int rc = FERR_NONE;
|
||
|
|
|
||
|
|
ENTER(5, ("FormatString(Offset=%lx)\n", *pdwOffset));
|
||
|
|
|
||
|
|
pb += *pdwOffset;
|
||
|
|
if (pfmt->dwfFormat & FMTF_STR_ASCIIZ)
|
||
|
|
{
|
||
|
|
pszBuffer[0] = '"';
|
||
|
|
STRCPY(pszBuffer + 1, (char *)pb);
|
||
|
|
pszBuffer[STRLEN(pszBuffer)] = '"';
|
||
|
|
if ((pfmt->bUnitSize == 0) && !(pfmt->dwfFormat & FMTF_NO_INC_OFFSET))
|
||
|
|
*pdwOffset += STRLEN((char *)pb) + 3;
|
||
|
|
}
|
||
|
|
else if (pfmt->bUnitSize != 0)
|
||
|
|
{
|
||
|
|
if (isalnum(*pb) || (*pb == ' '))
|
||
|
|
{
|
||
|
|
pszBuffer[0] = '\'';
|
||
|
|
STRCPYN(pszBuffer + 1, (char *)pb, pfmt->bUnitSize);
|
||
|
|
pszBuffer[pfmt->bUnitSize + 1] = '\'';
|
||
|
|
pszBuffer[pfmt->bUnitSize + 2] = '\0';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
rc = PrintData(pszBuffer, pfmt->bUnitSize, *((PDWORD)pb), FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT(5, ("FormatString=%d (Offset=%lx,Buff=%s)\n",
|
||
|
|
rc, *pdwOffset, pszBuffer));
|
||
|
|
return rc;
|
||
|
|
} //FormatString
|
||
|
|
|
||
|
|
/***LP GetData - Get data of appropriate size from the binary buffer
|
||
|
|
*
|
||
|
|
* ENTRY
|
||
|
|
* bUnitSize - size of data unit
|
||
|
|
* pb -> data buffer
|
||
|
|
* dwOffset - offset into data buffer
|
||
|
|
* pdwData -> to hold data
|
||
|
|
*
|
||
|
|
* EXIT-SUCCESS
|
||
|
|
* returns FERR_NONE
|
||
|
|
* EXIT-FAILURE
|
||
|
|
* returns negative error code
|
||
|
|
*/
|
||
|
|
|
||
|
|
int GetData(BYTE bUnitSize, BYTE *pb, DWORD dwOffset, DWORD *pdwData)
|
||
|
|
{
|
||
|
|
TRACENAME("GETDATA")
|
||
|
|
int rc = FERR_NONE;
|
||
|
|
|
||
|
|
ENTER(6, ("GetData(UnitSize=%d,Data=%lx,Offset=%lx)\n",
|
||
|
|
bUnitSize, *(DWORD *)pb, dwOffset));
|
||
|
|
|
||
|
|
pb += dwOffset;
|
||
|
|
switch (bUnitSize)
|
||
|
|
{
|
||
|
|
case UNIT_BYTE:
|
||
|
|
*pdwData = (DWORD)(*pb);
|
||
|
|
break;
|
||
|
|
case UNIT_WORD:
|
||
|
|
*pdwData = (DWORD)(*((WORD *)pb));
|
||
|
|
break;
|
||
|
|
case UNIT_DWORD:
|
||
|
|
*pdwData = *(DWORD *)pb;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
rc = FERR_INVALID_UNITSIZE;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT(6, ("GetData=%d (Data=%lx)\n", rc, *pdwData));
|
||
|
|
return rc;
|
||
|
|
} //GetData
|
||
|
|
|
||
|
|
/***LP PrintData - Print data value according to its size
|
||
|
|
*
|
||
|
|
* ENTRY
|
||
|
|
* pszBuffer -> buffer to hold formatted string
|
||
|
|
* bUnitSize - size of data unit
|
||
|
|
* dwData - number
|
||
|
|
* fPadSpace - if TRUE pad space to 8 chars
|
||
|
|
*
|
||
|
|
* EXIT-SUCCESS
|
||
|
|
* returns FERR_NONE
|
||
|
|
* EXIT-FAILURE
|
||
|
|
* returns negative error code
|
||
|
|
*/
|
||
|
|
|
||
|
|
int PrintData(char *pszBuffer, BYTE bUnitSize, DWORD dwData, BOOL fPadSpace)
|
||
|
|
{
|
||
|
|
TRACENAME("PRINTDATA")
|
||
|
|
int rc = FERR_NONE;
|
||
|
|
|
||
|
|
ENTER(6, ("PrintData(UnitSize=%d,Data=%lx)\n", bUnitSize, dwData));
|
||
|
|
|
||
|
|
switch (bUnitSize)
|
||
|
|
{
|
||
|
|
case UNIT_BYTE:
|
||
|
|
SPRINTF(pszBuffer, "%02x", (BYTE)dwData);
|
||
|
|
if (fPadSpace)
|
||
|
|
STRCAT(pszBuffer, " ");
|
||
|
|
break;
|
||
|
|
case UNIT_WORD:
|
||
|
|
SPRINTF(pszBuffer, "%04x", (WORD)dwData);
|
||
|
|
if (fPadSpace)
|
||
|
|
STRCAT(pszBuffer, " ");
|
||
|
|
break;
|
||
|
|
case UNIT_DWORD:
|
||
|
|
SPRINTF(pszBuffer, "%08lx", dwData);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
rc = FERR_INVALID_UNITSIZE;
|
||
|
|
}
|
||
|
|
|
||
|
|
EXIT(6, ("PrintData=%d (Buff=%s)\n", rc, pszBuffer));
|
||
|
|
return rc;
|
||
|
|
} //PrintData
|
||
|
|
|
||
|
|
#endif //ifdef __UNASM
|