#include "precomp.hxx"
int PC_to_UNIX ( int CodePage,
int CodeSet,
UCHAR *pPCChar,
int PCChar_len,
UCHAR *pUNIXChar,
int UNIXChar_len
)
// The PC_to_UNIX function convert a character string as PC code
// set string to a UNIX code set string.
//
// int CodePage Country Code Page.
// If this value is -1, the function use OS CodePage from
// Operating System automatically.
//
// Value Meaning
// -1 Auto Detect Mode.
// 932 Japan.
// ??? Taiwan.
// ??? Korea.
// ??? PRC(Chaina)?
//
// int CodeSet Code Set Type.
// There are three Japanese Code set in UNIX world.
// These code sets are JIS, EUC and Shift JIS.
// When CodePage is Japanese, the following Code set
// constants are defined:
//
// Value Meaning
// CODE_JPN_JIS JIS Code Set. The function convert
// pPCChar string
// to a JIS code set string.
// CODE_JPN_EUC EUC Code Set. The function convert
// pPCChar string
// to a EUC code set string.
// CODE_JPN_SJIS Shift JIS Code Set.
//
// UCHAR *pPCChar Points to the character string to be converted.
//
// int PCChar_len Specifies the size in bytes of the string pointed
// to by the pPCChar parameter. If this value is -1,
// the string is assumed to be NULL terminated and the
// length is calculated automatically.
//
//
// UCHAR *pUNIXChar Points to a buffer that receives the convert string
// from PC Code to UNIX Code.
//
// int UNIXChar_len Specifies the size, in UNIX characters of the buffer
// pointed to by the pUNIXChar parameter. If the value is
// zero, the function returns the number of UNIX characters
// required for the buffer, and makes no use of the
// pUNIXChar buffer.
//
// Return Value
// If the function succeeds, and UNIXChar_len is nonzero, the return value is
// the number of UNIX characters written to the buffer pointed to by pUNIXChar.
//
// If the function succeeds, and UNIXChar_len is zero, the return value is the
// required size, in UNIX characters, for a buffer that can receive the
// converted string.
//
// If the function fails, the return value is -1. The error mean pUNIXChar
// buffer is small for setting converted strings.
//
//@
{
int re;
if ( CodePage == -1 )
{
CodePage = ( int )GetOEMCP();
}
switch ( CodePage ) {
case 932: // Japanese Code Page
// re = PC_to_JPNUNIX ( CodeSet,
// pPCChar,
// PCChar_len,
// pUNIXChar,
// UNIXChar_len );
// break;
// case ???: // Taiwan Code Page
// re = PC_to_TAIWANUNIX (,,,,,,);
// break;
// case ???: // Korea Code Page
// re = PC_to_KOREAUNIX (,,,,,,);
// break;
// case ???: // PRC Code Page
// re = PC_to_PRCUNIX (,,,,,,);
// break;
default:
// Start Only Copy Process
if ( PCChar_len == -1 )
{
PCChar_len = strlen ( ( CHAR * )pPCChar ) + 1;
}
if ( UNIXChar_len != 0 )
{
if ( PCChar_len > UNIXChar_len )
{
// Is the buffer small?
return ( -1 );
}
memmove ( pUNIXChar, pPCChar, PCChar_len );
}
re = PCChar_len;
break;
}
return ( re );
}
int UNIX_to_PC (
int CodePage,
int CodeSet,
UCHAR *pUNIXChar,
int UNIXChar_len,
UCHAR *pPCChar,
int PCChar_len
)
// The UNIX_to_PC function convert a character string as UNIX code
// set string to a PC code set string.
//
// int CodePage Country Code Page.
// If this value is -1, the function use OS CodePage from
// Operating System automatically.
//
// Value Meaning
// -1 Auto Detect Mode.
// 932 Japan.
// ??? Taiwan.
// ??? Korea.
// ??? PRC(Chaina)?
//
// int CodeSet Code Set Type.
// There are three Japanese Code set in UNIX world.
// These code sets are JIS, EUC and Shift JIS.
// When CodePage is Japanese, the following Code set
// constants are defined:
//
// Value Meaning
// CODE_UNKNOWN Unknown. If this value is CODE_UNKNOWN,
// Code Type is checked automatically.
//
// CODE_JPN_JIS JIS Code Set. The function convert
// pUNIXChar string as JIS code set string
// to a PC code set string.
// CODE_JPN_EUC EUC Code Set. The function convert
// pUNIXChar string as EUC code set string
// to a PC code set string.
// CODE_JPN_SJIS Shift JIS Code Set.
//
// UCHAR *pUNIXChar Points to the character string to be converted.
//
// int UNIXChar_len Specifies the size in bytes of the string pointed
// to by the pUNIXChar parameter. If this value is -1,
// the string is assumed to be NULL terminated and the
// length is calculated automatically.
//
// UCHAR *pPCChar Points to a buffer that receives the convert string
// from UNIX Code to PC Code.
//
// int PCChar_len Specifies the size, in PC characters of the buffer
// pointed to by the pPCChar parameter. If the value is zero,
// the function returns the number of PC characters
// required for the buffer, and makes no use of the pPCChar
// buffer.
//
// Return Value
// If the function succeeds, and PCChar_len is nonzero, the return value is the
// number of PC characters written to the buffer pointed to by pPCChar.
//
// If the function succeeds, and PCChar_len is zero, the return value is the
// required size, in PC characters, for a buffer that can receive the
// converted string.
//
// If the function fails, the return value is -1. The error mean pPCChar buffer
// is small for setting converted strings.
//
//@
{
int re;
if ( CodePage == -1 ) {
CodePage = (int)GetOEMCP();
}
switch ( CodePage ) {
case 932: // Japanese Code Page
// re = JPNUNIX_to_PC ( CodeSet, pUNIXChar, UNIXChar_len,
// pPCChar, PCChar_len );
// break;
// case ???: // Taiwan Code Page
// re = TAIWANUNIX_to_PC (,,,,,,);
// break;
// case ???: // Korea Code Page
// re = KOREAUNIX_to_PC (,,,,,,);
// break;
// case ???: // PRC Code Page
// re = PRCUNIX_to_PC (,,,,,,);
// break;
default:
// Start Only Copy Process
if ( UNIXChar_len == -1 )
{
UNIXChar_len = strlen ( ( CHAR * )pUNIXChar ) + 1;
}
if ( PCChar_len != 0 )
{
if ( UNIXChar_len > PCChar_len )
{
// Is the buffer small?
return ( -1 );
}
memmove ( pPCChar, pUNIXChar, UNIXChar_len );
}
re = UNIXChar_len;
break;
}
return ( re );
}