mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
1.8 KiB
73 lines
1.8 KiB
#include "ctlspriv.h"
|
|
#include <limits.h>
|
|
|
|
/*
|
|
* Creates a buffer for a unicode string, and then copies the ANSI text
|
|
* into it (converting it to unicode in the process)
|
|
*
|
|
* The returned pointer should be freed with LocalFree after use.
|
|
*/
|
|
LPWSTR ProduceWFromA( UINT uiCodePage, LPCSTR psz ) {
|
|
LPWSTR pszW;
|
|
int cch;
|
|
|
|
if (psz == NULL || psz == LPSTR_TEXTCALLBACKA)
|
|
return (LPWSTR)psz;
|
|
|
|
// The old code would call lstrlen and lstrcpy which would fault internal to the
|
|
// api, this should do about the same...
|
|
if (IsBadReadPtr(psz,1))
|
|
return NULL; // For now lets try not setting a string...
|
|
|
|
cch = MultiByteToWideChar(uiCodePage, 0, psz, -1, NULL, 0);
|
|
|
|
if (cch == 0)
|
|
cch = 1;
|
|
|
|
pszW = LocalAlloc( LMEM_FIXED, cch * sizeof(WCHAR) );
|
|
|
|
if (pszW != NULL ) {
|
|
if (MultiByteToWideChar( uiCodePage, MB_PRECOMPOSED, psz, -1, pszW,
|
|
cch ) == FALSE) {
|
|
LocalFree(pszW);
|
|
pszW = NULL;
|
|
}
|
|
}
|
|
|
|
return pszW;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* Creates a buffer for a unicode string, and then copies the ANSI text
|
|
* into it (converting it to unicode in the process)
|
|
*
|
|
* The returned pointer should be freed with LocalFree after use.
|
|
*/
|
|
LPSTR ProduceAFromW( UINT uiCodePage, LPCWSTR psz ) {
|
|
LPSTR pszA;
|
|
int cch;
|
|
|
|
if (psz == NULL || psz == LPSTR_TEXTCALLBACKW)
|
|
return (LPSTR)psz;
|
|
|
|
cch = WideCharToMultiByte(uiCodePage, 0, psz, -1, NULL, 0, NULL, NULL);
|
|
|
|
if (cch == 0)
|
|
cch = 1;
|
|
|
|
pszA = LocalAlloc( LMEM_FIXED, cch * sizeof(char) );
|
|
|
|
if (pszA != NULL ) {
|
|
if (WideCharToMultiByte(uiCodePage, 0, psz, -1, pszA, cch, NULL, NULL) ==
|
|
FALSE) {
|
|
LocalFree(pszA);
|
|
pszA = NULL;
|
|
}
|
|
}
|
|
|
|
return pszA;
|
|
|
|
}
|
|
|