195 lines
2.7 KiB
C
195 lines
2.7 KiB
C
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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runtime.c
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Abstract:
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Implementation of runtime library functions
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Environment:
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Fax driver, kernel and user mode
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Revision History:
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01/09/96 -davidx-
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Created it.
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mm/dd/yy -author-
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description
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--*/
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#include "faxlib.h"
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VOID
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CopyStringW(
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PWSTR pDest,
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PWSTR pSrc,
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INT destSize
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)
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/*++
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Routine Description:
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Copy Unicode string from source to destination
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Arguments:
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pDest - Points to the destination buffer
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pSrc - Points to source string
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destSize - Size of destination buffer (in characters)
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Return Value:
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NONE
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Note:
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If the source string is shorter than the destination buffer,
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unused chars in the destination buffer is filled with NUL.
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--*/
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{
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PWSTR pEnd;
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Assert(pDest != NULL && pSrc != NULL && destSize > 0);
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pEnd = pDest + (destSize - 1);
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while (pDest < pEnd && (*pDest++ = *pSrc++) != NUL)
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;
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while (pDest <= pEnd)
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*pDest++ = NUL;
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}
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VOID
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CopyStringA(
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PSTR pDest,
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PSTR pSrc,
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INT destSize
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)
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/*++
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Routine Description:
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Copy Ansi string from source to destination
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Arguments:
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pDest - Points to the destination buffer
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pSrc - Points to source string
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destSize - Size of destination buffer (in characters)
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Return Value:
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NONE
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Note:
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If the source string is shorter than the destination buffer,
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unused chars in the destination buffer is filled with NUL.
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--*/
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{
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PSTR pEnd;
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Assert(pDest != NULL && pSrc != NULL && destSize > 0);
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pEnd = pDest + (destSize - 1);
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while (pDest < pEnd && (*pDest++ = *pSrc++) != NUL)
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;
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while (pDest <= pEnd)
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*pDest++ = NUL;
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}
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LPTSTR
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DuplicateString(
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LPCTSTR pSrcStr
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)
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/*++
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Routine Description:
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Make a duplicate of the given character string
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Arguments:
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pSrcStr - Specifies the string to be duplicated
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Return Value:
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Pointer to the duplicated string, NULL if there is an error
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--*/
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{
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LPTSTR pDestStr;
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INT strSize;
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if (pSrcStr != NULL) {
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strSize = SizeOfString(pSrcStr);
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if (pDestStr = MemAlloc(strSize))
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CopyMemory(pDestStr, pSrcStr, strSize);
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else
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Error(("Memory allocation failed\n"));
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} else
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pDestStr = NULL;
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return pDestStr;
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}
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PCSTR
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StripDirPrefixA(
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PCSTR pFilename
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)
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/*++
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Routine Description:
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Strip the directory prefix off a filename (ANSI version)
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Arguments:
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pFilename Pointer to filename string
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Return Value:
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Pointer to the last component of a filename (without directory prefix)
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--*/
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{
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LPCSTR pstr;
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if (pstr = strrchr(pFilename, PATH_SEPARATOR))
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return pstr + 1;
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return pFilename;
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}
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