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tst: passthrough-fuse: fix UNC path mount

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This commit is contained in:
zeho11
2022-12-19 09:22:16 +08:00
parent 760c2acded
commit c06141c8c8
2 changed files with 63 additions and 17 deletions
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78
tst/passthrough-fuse/winposix.c
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@@ -131,21 +131,44 @@ char *realpath(const char *path, char *resolved)
int err = 0;
WCHAR PathBuf[PATH_MAX];
WCHAR ResultBuf[PATH_MAX];
PWSTR ResultBufBgn = &ResultBuf[6];
if (0 < MultiByteToWideChar(CP_UTF8, 0, path, -1, PathBuf, PATH_MAX))
{
DWORD len = GetFullPathNameW(PathBuf, PATH_MAX, ResultBuf, 0);
DWORD len = GetFullPathNameW(PathBuf, PATH_MAX - 6, ResultBufBgn, 0);
if (0 == len)
err = GetLastError();
else if (PATH_MAX < len)
else if (PATH_MAX - 6 < len)
err = ERROR_INVALID_PARAMETER;
WideCharToMultiByte(CP_UTF8, 0, ResultBuf, -1, result, PATH_MAX * 4, 0, 0);
else
{
WideCharToMultiByte(CP_UTF8, 0, ResultBufBgn, -1, result, PATH_MAX * 4, 0, 0);
if (L'\\' == ResultBufBgn[0] && L'\\' == ResultBufBgn[1])
{
ResultBufBgn = ResultBuf;
ResultBufBgn[0] = L'\\';
ResultBufBgn[1] = L'\\';
ResultBufBgn[2] = L'?';
ResultBufBgn[3] = L'\\';
ResultBufBgn[4] = L'U';
ResultBufBgn[5] = L'N';
ResultBufBgn[6] = L'C';
}
else
{
ResultBufBgn = &ResultBuf[2];
ResultBufBgn[0] = L'\\';
ResultBufBgn[1] = L'\\';
ResultBufBgn[2] = L'?';
ResultBufBgn[3] = L'\\';
}
}
}
else
err = GetLastError();
if (0 == err)
{
HANDLE h = CreateFileW(ResultBuf,
HANDLE h = CreateFileW(ResultBufBgn,
FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
0,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0);
@@ -163,25 +186,48 @@ char *realpath(const char *path, char *resolved)
errno = maperror(err);
result = 0;
}
return result;
}
int uncpath(const char *path, WCHAR *buf, int nchar)
{
if (4 < nchar &&
0 < MultiByteToWideChar(CP_UTF8, 0, path, -1, &buf[4], nchar - 4))
PWSTR BufP = 0;
if ('\\' == path[0] && '\\' == path[1])
{
buf[0] = L'\\';
buf[1] = L'\\';
buf[2] = L'?';
buf[3] = L'\\';
int i = 4;
while (buf[i])
if (8 < nchar &&
0 < MultiByteToWideChar(CP_UTF8, 0, &path[2], -1, &buf[8], nchar - 8))
{
if (L'/' == buf[i])
buf[i] = L'\\';
i++;
BufP = &buf[8];
buf[0] = L'\\';
buf[1] = L'\\';
buf[2] = L'?';
buf[3] = L'\\';
buf[4] = L'U';
buf[5] = L'N';
buf[6] = L'C';
buf[7] = L'\\';
}
}
else
{
if (4 < nchar &&
0 < MultiByteToWideChar(CP_UTF8, 0, path, -1, &buf[4], nchar - 4))
{
BufP = &buf[4];
buf[0] = L'\\';
buf[1] = L'\\';
buf[2] = L'?';
buf[3] = L'\\';
}
}
if (BufP)
{
while (*BufP)
{
if (L'/' == *BufP)
*BufP = L'\\';
BufP++;
}
return 1;
}