61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
//////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// string.c
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//
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// This file contains most commonly used string operation. ALl the setup project should link here
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// or add the common utility here to avoid duplicating code everywhere or using CRT runtime.
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//
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// Created 4\15\997 inateeg
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//
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#include <windows.h>
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#include "sdsutils.h"
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//=================================================================================================
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//
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// copied from \\trango\slmadd\src\shell\shlwapi\strings.c
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//
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// ChrCmp - Case sensitive character comparison for DBCS
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// Assumes w1, wMatch are characters to be compared
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// Return FALSE if they match, TRUE if no match
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//
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//=================================================================================================
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BOOL ChrCmpA_inline(WORD w1, WORD wMatch)
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{
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/* Most of the time this won't match, so test it first for speed.
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*/
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if (LOBYTE(w1) == LOBYTE(wMatch))
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{
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if (IsDBCSLeadByte(LOBYTE(w1)))
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{
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return(w1 != wMatch);
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}
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return FALSE;
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}
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return TRUE;
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}
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//=================================================================================================
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//
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// copied from \\trango\slmadd\src\shell\shlwapi\strings.c
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//
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// StrChr - Find first occurrence of character in string
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// Assumes lpStart points to start of null terminated string
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// wMatch is the character to match
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// returns ptr to the first occurrence of ch in str, NULL if not found.
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//
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//=================================================================================================
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LPSTR FAR ANSIStrChr(LPCSTR lpStart, WORD wMatch)
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{
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for ( ; *lpStart; lpStart = CharNext(lpStart))
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{
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// (ChrCmp returns FALSE when characters match)
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if (!ChrCmpA_inline(*(UNALIGNED WORD FAR *)lpStart, wMatch))
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return((LPSTR)lpStart);
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}
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return (NULL);
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}
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