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kernelbase: Implement PathCchIsRoot.
Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -10,7 +10,7 @@
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@ stub PathCchCombine
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@ stub PathCchCombineEx
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@ stdcall PathCchFindExtension(wstr long ptr) kernelbase.PathCchFindExtension
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@ stub PathCchIsRoot
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@ stdcall PathCchIsRoot(wstr) kernelbase.PathCchIsRoot
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@ stub PathCchRemoveBackslash
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@ stub PathCchRemoveBackslashEx
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@ stdcall PathCchRemoveExtension(wstr long) kernelbase.PathCchRemoveExtension
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@ -1039,7 +1039,7 @@
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# @ stub PathCchCombine
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# @ stub PathCchCombineEx
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@ stdcall PathCchFindExtension(wstr long ptr)
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# @ stub PathCchIsRoot
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@ stdcall PathCchIsRoot(wstr)
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# @ stub PathCchRemoveBackslash
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# @ stub PathCchRemoveBackslashEx
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@ stdcall PathCchRemoveExtension(wstr long)
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@ -240,6 +240,44 @@ HRESULT WINAPI PathCchFindExtension(const WCHAR *path, SIZE_T size, const WCHAR
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return S_OK;
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}
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BOOL WINAPI PathCchIsRoot(const WCHAR *path)
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{
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const WCHAR *root_end;
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const WCHAR *next;
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BOOL is_unc;
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TRACE("%s\n", wine_dbgstr_w(path));
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if (!path || !*path) return FALSE;
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root_end = get_root_end(path);
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if (!root_end) return FALSE;
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if ((is_unc = is_prefixed_unc(path)) || (path[0] == '\\' && path[1] == '\\' && path[2] != '?'))
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{
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next = root_end + 1;
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/* No extra segments */
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if ((is_unc && !*next) || (!is_unc && !*next)) return TRUE;
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/* Has first segment with an ending backslash but no remaining characters */
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if (get_next_segment(next, &next) && !*next) return FALSE;
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/* Has first segment with no ending backslash */
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else if (!*next)
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return TRUE;
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/* Has first segment with an ending backslash and has remaining characters*/
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else
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{
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next++;
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/* Second segment must have no backslash and no remaining characters */
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return !get_next_segment(next, &next) && !*next;
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}
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}
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else if (*root_end == '\\' && !root_end[1])
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return TRUE;
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else
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return FALSE;
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}
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HRESULT WINAPI PathCchRemoveExtension(WCHAR *path, SIZE_T size)
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{
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const WCHAR *extension;
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@ -35,6 +35,7 @@ HRESULT (WINAPI *pPathCchAddBackslashEx)(WCHAR *out, SIZE_T size, WCHAR **endptr
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HRESULT (WINAPI *pPathCchAddExtension)(WCHAR *path, SIZE_T size, const WCHAR *extension);
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HRESULT (WINAPI *pPathCchCombineEx)(WCHAR *out, SIZE_T size, const WCHAR *path1, const WCHAR *path2, DWORD flags);
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HRESULT (WINAPI *pPathCchFindExtension)(const WCHAR *path, SIZE_T size, const WCHAR **extension);
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BOOL (WINAPI *pPathCchIsRoot)(const WCHAR *path);
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HRESULT (WINAPI *pPathCchRemoveExtension)(WCHAR *path, SIZE_T size);
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HRESULT (WINAPI *pPathCchRenameExtension)(WCHAR *path, SIZE_T size, const WCHAR *extension);
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HRESULT (WINAPI *pPathCchSkipRoot)(const WCHAR *path, const WCHAR **root_end);
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@ -477,6 +478,72 @@ static void test_PathCchFindExtension(void)
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}
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}
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struct isroot_test
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{
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const CHAR *path;
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BOOL ret;
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};
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static const struct isroot_test isroot_tests[] =
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{
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{"", FALSE},
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{"a", FALSE},
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{"C:", FALSE},
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{"C:\\", TRUE},
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{"C:\\a", FALSE},
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{"\\\\?\\C:\\", TRUE},
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{"\\\\?\\C:", FALSE},
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{"\\\\?\\C:\\a", FALSE},
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{"\\", TRUE},
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{"\\a\\", FALSE},
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{"\\a\\b", FALSE},
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{"\\\\", TRUE},
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{"\\\\a", TRUE},
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{"\\\\a\\", FALSE},
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{"\\\\a\\b", TRUE},
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{"\\\\a\\b\\", FALSE},
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{"\\\\a\\b\\c", FALSE},
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{"\\\\?\\UNC\\", TRUE},
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{"\\\\?\\UNC\\a", TRUE},
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{"\\\\?\\UNC\\a\\", FALSE},
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{"\\\\?\\UNC\\a\\b", TRUE},
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{"\\\\?\\UNC\\a\\b\\", FALSE},
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{"\\\\?\\UNC\\a\\b\\c", FALSE},
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{"\\\\?\\Volume{e51a1864-6f2d-4019-b73d-f4e60e600c26}", FALSE},
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{"\\\\?\\Volume{e51a1864-6f2d-4019-b73d-f4e60e600c26}\\", TRUE},
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{"\\\\?\\Volume{e51a1864-6f2d-4019-b73d-f4e60e600c26}\\a", FALSE},
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{"..\\a", FALSE},
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/* Wrong MSDN examples */
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{"\\a", FALSE},
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{"X:", FALSE},
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{"\\server", FALSE}
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};
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static void test_PathCchIsRoot(void)
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{
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WCHAR pathW[MAX_PATH];
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BOOL ret;
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INT i;
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if (!pPathCchIsRoot)
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{
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win_skip("PathCchIsRoot() is not available.\n");
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return;
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}
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ret = pPathCchIsRoot(NULL);
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ok(ret == FALSE, "expect return FALSE\n");
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for (i = 0; i < ARRAY_SIZE(isroot_tests); i++)
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{
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const struct isroot_test *t = isroot_tests + i;
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MultiByteToWideChar(CP_ACP, 0, t->path, -1, pathW, ARRAY_SIZE(pathW));
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ret = pPathCchIsRoot(pathW);
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ok(ret == t->ret, "path %s expect return %d, got %d\n", t->path, t->ret, ret);
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}
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}
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struct removeextension_test
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{
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const CHAR *path;
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@ -1039,6 +1106,7 @@ START_TEST(path)
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pPathCchAddBackslashEx = (void *)GetProcAddress(hmod, "PathCchAddBackslashEx");
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pPathCchAddExtension = (void *)GetProcAddress(hmod, "PathCchAddExtension");
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pPathCchFindExtension = (void *)GetProcAddress(hmod, "PathCchFindExtension");
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pPathCchIsRoot = (void *)GetProcAddress(hmod, "PathCchIsRoot");
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pPathCchRemoveExtension = (void *)GetProcAddress(hmod, "PathCchRemoveExtension");
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pPathCchRenameExtension = (void *)GetProcAddress(hmod, "PathCchRenameExtension");
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pPathCchSkipRoot = (void *)GetProcAddress(hmod, "PathCchSkipRoot");
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@ -1051,6 +1119,7 @@ START_TEST(path)
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test_PathCchAddBackslashEx();
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test_PathCchAddExtension();
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test_PathCchFindExtension();
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test_PathCchIsRoot();
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test_PathCchRemoveExtension();
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test_PathCchRenameExtension();
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test_PathCchSkipRoot();
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@ -30,6 +30,7 @@ HRESULT WINAPI PathCchAddBackslashEx(WCHAR *path, SIZE_T size, WCHAR **end, SIZE
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HRESULT WINAPI PathCchAddExtension(WCHAR *path, SIZE_T size, const WCHAR *extension);
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HRESULT WINAPI PathCchCombineEx(WCHAR *out, SIZE_T size, const WCHAR *path1, const WCHAR *path2, DWORD flags);
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HRESULT WINAPI PathCchFindExtension(const WCHAR *path, SIZE_T size, const WCHAR **extension);
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BOOL WINAPI PathCchIsRoot(const WCHAR *path);
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HRESULT WINAPI PathCchRemoveExtension(WCHAR *path, SIZE_T size);
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HRESULT WINAPI PathCchRenameExtension(WCHAR *path, SIZE_T size, const WCHAR *extension);
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HRESULT WINAPI PathCchSkipRoot(const WCHAR *path, const WCHAR **root_end);
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