253 lines
8.8 KiB
C
253 lines
8.8 KiB
C
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// File Name: pc2unix.c
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// Owner: Tetsuhide Akaishi
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// Revision: 1.00 02/21/'93 Tetsuhide Akaishi
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//
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#include "win32.h"
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#include "fechrcnv.h"
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int PC_to_JPNUNIX ( int CodeSet,
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UCHAR *pPCChar, int PCChar_len,
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UCHAR *pUNIXChar, int UNIXChar_len )
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// The PC_to_JPNUNIX function convert a character string as PC code
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// set string to a Japanese UNIX code set string.
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//
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//
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// int CodeSet Code Set Type.
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// There are three Japanese Code set in UNIX world.
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// These code sets are JIS, EUC and Shift JIS.
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// When CodePage is Japanese, the following Code set
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// constants are defined:
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//
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// Value Meaning
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// CODE_JPN_JIS JIS Code Set. The function convert
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// pPCChar string
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// to a JIS code set string.
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// CODE_JPN_EUC EUC Code Set. The function convert
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// pPCChar string
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// to a EUC code set string.
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// CODE_JPN_SJIS Shift JIS Code Set.
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//
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// UCHAR *pPCChar Points to the character string to be converted.
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//
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// int PCChar_len Specifies the size in bytes of the string pointed
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// to by the pPCChar parameter. If this value is -1,
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// the string is assumed to be NULL terminated and the
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// length is calculated automatically.
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//
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//
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// UCHAR *pUNIXChar Points to a buffer that receives the convert string
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// from PC Code to UNIX Code.
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//
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// int UNIXChar_len Specifies the size, in UNIX characters of the buffer
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// pointed to by the pUNIXChar parameter. If the value is
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// zero, the function returns the number of UNIX characters
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// required for the buffer, and makes no use of the
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// pUNIXChar buffer.
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//
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// Return Value
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// If the function succeeds, and UNIXChar_len is nonzero, the return value is
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// the number of UNIX characters written to the buffer pointed to by pUNIXChar.
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//
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// If the function succeeds, and UNIXChar_len is zero, the return value is the
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// required size, in UNIX characters, for a buffer that can receive the
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// converted string.
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//
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// If the function fails, the return value is -1. The error mean pUNIXChar
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// buffer is small for setting converted strings.
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//
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//@
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{
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int re;
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switch ( CodeSet ) {
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default:
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case CODE_JPN_JIS: // Japanese JIS Code
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// Convert from Shift JIS to JIS
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re = ShiftJIS_to_JIS ( pPCChar, PCChar_len,
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pUNIXChar, UNIXChar_len );
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break;
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case CODE_JPN_EUC: // Japanese EUC Code
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// Convert from Shift JIS to EUC
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re = ShiftJIS_to_EUC ( pPCChar, PCChar_len,
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pUNIXChar, UNIXChar_len );
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break;
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case CODE_JPN_SJIS: // Japanese Shift JIS Code
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// Convert from Shift JIS to Shift JIS
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if ( PCChar_len == -1 ) {
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PCChar_len = strlen ( pPCChar ) + 1;
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}
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if ( UNIXChar_len != 0 ) {
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if ( PCChar_len > UNIXChar_len ) { // Is the buffer small?
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return ( -1 );
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}
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// Copy from pPCChar to pUNIXChar
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memmove ( pUNIXChar, pPCChar, PCChar_len );
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}
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re = PCChar_len;
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break;
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}
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return ( re );
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}
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int WINAPI PC_to_UNIX ( int CodePage, int CodeSet,
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UCHAR *pPCChar, int PCChar_len,
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UCHAR *pUNIXChar, int UNIXChar_len )
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// The PC_to_UNIX function convert a character string as PC code
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// set string to a UNIX code set string.
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//
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// int CodePage Country Code Page.
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// If this value is -1, the function use OS CodePage from
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// Operating System automatically.
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//
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// Value Meaning
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// -1 Auto Detect Mode.
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// 932 Japan.
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// ??? Taiwan.
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// ??? Korea.
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// ??? PRC(Chaina)?
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//
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// int CodeSet Code Set Type.
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// There are three Japanese Code set in UNIX world.
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// These code sets are JIS, EUC and Shift JIS.
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// When CodePage is Japanese, the following Code set
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// constants are defined:
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//
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// Value Meaning
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// CODE_JPN_JIS JIS Code Set. The function convert
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// pPCChar string
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// to a JIS code set string.
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// CODE_JPN_EUC EUC Code Set. The function convert
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// pPCChar string
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// to a EUC code set string.
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// CODE_JPN_SJIS Shift JIS Code Set.
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//
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// UCHAR *pPCChar Points to the character string to be converted.
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//
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// int PCChar_len Specifies the size in bytes of the string pointed
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// to by the pPCChar parameter. If this value is -1,
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// the string is assumed to be NULL terminated and the
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// length is calculated automatically.
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//
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//
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// UCHAR *pUNIXChar Points to a buffer that receives the convert string
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// from PC Code to UNIX Code.
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//
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// int UNIXChar_len Specifies the size, in UNIX characters of the buffer
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// pointed to by the pUNIXChar parameter. If the value is
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// zero, the function returns the number of UNIX characters
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// required for the buffer, and makes no use of the
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// pUNIXChar buffer.
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//
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// Return Value
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// If the function succeeds, and UNIXChar_len is nonzero, the return value is
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// the number of UNIX characters written to the buffer pointed to by pUNIXChar.
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//
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// If the function succeeds, and UNIXChar_len is zero, the return value is the
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// required size, in UNIX characters, for a buffer that can receive the
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// converted string.
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//
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// If the function fails, the return value is -1. The error mean pUNIXChar
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// buffer is small for setting converted strings.
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//
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//@
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{
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int re;
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if ( CodePage == -1 ) {
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CodePage = (int)GetOEMCP();
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}
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switch ( CodePage ) {
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case 932: // Japanese Code Page
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re = PC_to_JPNUNIX ( CodeSet, pPCChar, PCChar_len,
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pUNIXChar, UNIXChar_len );
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break;
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// case ???: // Taiwan Code Page
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// re = PC_to_TAIWANUNIX (,,,,,,);
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// break;
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// case ???: // Korea Code Page
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// re = PC_to_KOREAUNIX (,,,,,,);
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// break;
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// case ???: // PRC Code Page
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// re = PC_to_PRCUNIX (,,,,,,);
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// break;
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default:
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// Start Only Copy Process
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if ( PCChar_len == -1 ) {
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PCChar_len = strlen ( pPCChar ) + 1;
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}
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if ( UNIXChar_len != 0 ) {
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if ( PCChar_len > UNIXChar_len ) { // Is the buffer small?
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return ( -1 );
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}
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memmove ( pUNIXChar, pPCChar, PCChar_len );
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}
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re = PCChar_len;
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break;
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}
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return ( re );
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}
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#if 1//#ifdef INETSERVER
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UCHAR
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SJISCheckLastChar( UCHAR *pShiftJIS, int len )
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/*
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It check the last character of strings whether it is Shift-JIS 1st byte
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or not.
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UCHAR *pShiftJIS Shift-JIS strings to check
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int len byte size of ShiftJIS strings
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Return value
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0 last character is not a Shift-JIS 1st byte
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last character(Shift-JIS 1st byte)
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*/
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{
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int ch;
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while ( len-- )
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{
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ch = *pShiftJIS++;
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if ( SJISISKANJI(ch) )
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if ( 0 == len )
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return (UCHAR)ch;
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else
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{
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--len;
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++pShiftJIS;
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}
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}
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return 0;
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}
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#endif // INETSERVER
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BOOL WINAPI DLLEntry( HINSTANCE hDll, DWORD dwReason, LPVOID lpvReserved )
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{
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BOOL fReturn = TRUE;
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switch ( dwReason )
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{
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case DLL_PROCESS_ATTACH:
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case DLL_PROCESS_DETACH:
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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default:
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break ;
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}
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return ( fReturn);
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}
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