int ConvertString(char *buf, size_t nBytes, UINT cpFrom, UINT cpTo, LPCSTR lpDefaultChar) {
int n = (int)lstrlen(buf);
if (cpFrom != cpTo) {
WCHAR *pWBuf = (WCHAR *)malloc(sizeof(WCHAR)*nBytes);
if (!pWBuf) {
errno = ENOMEM;
return -1;
}
n = MultiByteToWideChar(cpFrom, /* CodePage, (CP_ACP, CP_OEMCP, CP_UTF8, ...) */
0, /* dwFlags, */
buf, /* lpMultiByteStr, */
n+1, /* cbMultiByte, +1 to copy the final NUL */
pWBuf, /* lpWideCharStr, */
(int)nBytes /* cchWideChar, */
);
n = WideCharToMultiByte(cpTo, /* CodePage, (CP_ACP, CP_OEMCP, CP_UTF8, ...) */
0, /* dwFlags, */
pWBuf, /* lpWideCharStr, */
n, /* cchWideChar, */
buf, /* lpMultiByteStr, */
(int)nBytes, /* cbMultiByte, */
lpDefaultChar, /* lpDefaultChar, */
NULL /* lpUsedDefaultChar */
);
free(pWBuf);
if (!n) {
errno = Win32ErrorToErrno();
return -1;
}
n -= 1; /* Output string size, not counting the final NUL */
}
return n;
}
int CountCharacters(const char *string, UINT cp) {
int n;
WCHAR *pWBuf;
n = (int)lstrlen(string);
if (!n) return 0;
pWBuf = (WCHAR *)malloc(sizeof(WCHAR)*n);
if (!pWBuf) {
errno = ENOMEM;
return -1;
}
n = MultiByteToWideChar(cp, /* CodePage, (CP_ACP, CP_OEMCP, CP_UTF8, ...) */
0, /* dwFlags, */
string, /* lpMultiByteStr, */
n, /* cbMultiByte, */
pWBuf, /* lpWideCharStr, */
n /* cchWideChar, */
);
free(pWBuf);
if (!n) {
errno = Win32ErrorToErrno();
return -1;
}
return n;
}
/* Get the Reparse Point Tag for a mount point - MultiByte char version */
DWORD GetReparseTagM(const char *path, UINT cp) {
WCHAR wszPath[PATH_MAX];
int n;
/* Convert the pathname to a unicode string, with the proper extension prefixes if it's longer than 260 bytes */
n = MultiByteToWidePath(cp, /* CodePage, (CP_ACP, CP_OEMCP, CP_UTF8, ...) */
path, /* lpMultiByteStr, */
wszPath, /* lpWideCharStr, */
COUNTOF(wszPath) /* cchWideChar, */
);
if (!n) {
errno = Win32ErrorToErrno();
DEBUG_PRINTF(("GetReparseTagM(\"%s\", %d); // Conversion to Unicode failed. errno=%d - %s\n", path, cp, errno, strerror(errno)));
return 0;
}
return GetReparseTagW(wszPath);
}
int _accessU(const char *pszName, int iMode) {
WCHAR wszName[PATH_MAX];
int n;
/* Convert the pathname to a unicode string, with the proper extension prefixes if it's longer than 260 bytes */
n = MultiByteToWidePath(CP_UTF8, /* CodePage, (CP_ACP, CP_OEMCP, CP_UTF8, ...) */
pszName, /* lpMultiByteStr, */
wszName, /* lpWideCharStr, */
COUNTOF(wszName) /* cchWideChar, */
);
if (!n) {
errno = Win32ErrorToErrno();
return -1;
}
return _waccess(wszName, iMode);
}
int chdirU(const char *pszDir) {
WCHAR wszDir[PATH_MAX];
BOOL bDone;
int n;
DEBUG_PRINTF(("chdir(\"%s\");\n", pszDir));
/* Convert the pathname to a unicode string, with the proper extension prefixes if it's longer than 260 bytes */
n = MultiByteToWidePath(CP_UTF8, /* CodePage, (CP_ACP, CP_OEMCP, CP_UTF8, ...) */
pszDir, /* lpMultiByteStr, */
wszDir, /* lpWideCharStr, */
COUNTOF(wszDir) /* cchWideChar, */
);
bDone = SetCurrentDirectoryW(wszDir);
if (!bDone) {
errno = Win32ErrorToErrno();
}
return bDone ? 0 : -1;
}
int chdirM(const char *pszDir, UINT cp) {
WCHAR *pwszDir;
BOOL bDone;
int iErr = 0;
DEBUG_ENTER(("chdir(\"%s\");\n", pszDir));
/* Convert the pathname to a unicode string, with the proper extension prefixes if it's longer than 260 bytes */
pwszDir = MultiByteToNewWidePath(cp, pszDir);
if (!pwszDir) return -1;
bDone = SetCurrentDirectoryW(pwszDir);
if (!bDone) {
errno = Win32ErrorToErrno();
iErr = -1;
}
free(pwszDir);
DEBUG_QUIET_LEAVE();
return iErr;
}
