[SHELL32][INCLUDE] Improve CheckEscapesA/W (#2795)

Fix and improve shell32!CheckEscapesA/W functions.
Add a testcase for shell32!CheckEscapesA/W to shell32_apitest.

dll/win32/shell32/wine/shellstring.c

@@ -30,6 +30,7 @@
 
 #include "shell32_main.h"
 #include "undocshell.h"
+#include "shlwapi_undoc.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(shell);
 
@@ -222,30 +223,25 @@ BOOL WINAPI OleStrToStrNAW (LPVOID lpOut, INT nOut, LPCVOID lpIn, INT nIn)
  * PARAMS
  *  string     [I/O] string to check and on return eventually quoted
  *  len        [I]   length of string
- *
- * RETURNS
- *  length of actual string
- *
- * NOTES
- *  Not really sure if this function returns actually a value at all. 
  */
-DWORD WINAPI CheckEscapesA(
+VOID WINAPI CheckEscapesA(
 	LPSTR	string,         /* [I/O]   string to check ??*/
 	DWORD	len)            /* [I]      is 0 */
 {
     LPWSTR wString;
-	DWORD ret = 0;
-
     TRACE("(%s %d)\n", debugstr_a(string), len);
+
+    if (!string || !string[0])
+        return;
+
     wString = LocalAlloc(LPTR, len * sizeof(WCHAR));
-	if (wString)
+    if (!wString)
-	{
+        return;
-	  MultiByteToWideChar(CP_ACP, 0, string, len, wString, len);
+
-	  ret = CheckEscapesW(wString, len);
+    SHAnsiToUnicode(string, wString, len);
-	  WideCharToMultiByte(CP_ACP, 0, wString, len, string, len, NULL, NULL);
+    CheckEscapesW(wString, len);
+    SHUnicodeToAnsi(wString, string, len);
     LocalFree(wString);
-	}
-	return ret;
 }
 
 static const WCHAR strEscapedChars[] = {' ','"',',',';','^',0};
@@ -255,7 +251,7 @@ static const WCHAR strEscapedChars[] = {' ','"',',',';','^',0};
  *
  * See CheckEscapesA.
  */
-DWORD WINAPI CheckEscapesW(
+VOID WINAPI CheckEscapesW(
 	LPWSTR	string,
 	DWORD	len)
 {
@@ -273,7 +269,5 @@ DWORD WINAPI CheckEscapesW(
 	  for (;d > string;)
 	    *d-- = *s--;
 	  *d = '"';
-	  return size + 2;
 	}
-	return size;
 }

modules/rostests/apitests/shell32/CMakeLists.txt

@@ -11,6 +11,7 @@ include_directories(${REACTOS_SOURCE_DIR}/sdk/lib/atl)
 list(APPEND SOURCE
     AddCommas.cpp
     CFSFolder.cpp
+    CheckEscapes.cpp
     CIDLData.cpp
     CMyComputer.cpp
     CShellDesktop.cpp

modules/rostests/apitests/shell32/CheckEscapes.cpp

@@ -0,0 +1,177 @@
+/*
+ * PROJECT:         ReactOS API tests
+ * LICENSE:         LGPLv2.1+ - See COPYING.LIB in the top level directory
+ * PURPOSE:         Test for CheckEscapesA/W
+ * PROGRAMMER:      Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
+ */
+#include "shelltest.h"
+
+typedef void (WINAPI *FN_CheckEscapesA)(LPSTR string, DWORD len);
+typedef void (WINAPI *FN_CheckEscapesW)(LPWSTR string, DWORD len);
+
+static FN_CheckEscapesA s_pCheckEscapesA;
+static FN_CheckEscapesW s_pCheckEscapesW;
+
+typedef struct TESTENTRYA
+{
+    INT lineno;
+    LPCSTR input;
+    DWORD len;
+    LPCSTR output;
+} TESTENTRYA;
+
+typedef struct TESTENTRYW
+{
+    INT lineno;
+    LPCWSTR input;
+    DWORD len;
+    LPCWSTR output;
+} TESTENTRYW;
+
+static const TESTENTRYA s_entriesA[] =
+{
+    { __LINE__, "", 0, "" },
+    { __LINE__, "", 1, "" },
+    { __LINE__, "", 2, "" },
+    { __LINE__, "", 3, "" },
+    { __LINE__, "", 4, "" },
+    { __LINE__, "", 5, "" },
+    { __LINE__, "", 6, "" },
+    { __LINE__, "ABC", 1, "" },
+    { __LINE__, "ABC", 2, "A" },
+    { __LINE__, "ABC", 3, "AB" },
+    { __LINE__, "ABC", 4, "ABC" },
+    { __LINE__, "ABC", 5, "ABC" },
+    { __LINE__, "ABC", 6, "ABC" },
+    { __LINE__, "AB C", 1, "" },
+    { __LINE__, "AB C", 2, "A" },
+    { __LINE__, "AB C", 3, "AB" },
+    { __LINE__, "AB C", 4, "AB " },
+    { __LINE__, "AB C", 5, "AB C" },
+    { __LINE__, "AB C", 6, "\"AB C" },
+    { __LINE__, "AB C ", 1, "" },
+    { __LINE__, "AB C ", 2, "A" },
+    { __LINE__, "AB C ", 3, "AB" },
+    { __LINE__, "AB C ", 4, "AB " },
+    { __LINE__, "AB C ", 5, "AB C" },
+    { __LINE__, "AB C ", 6, "AB C " },
+    { __LINE__, "AB,", 1, "" },
+    { __LINE__, "AB,", 2, "A" },
+    { __LINE__, "AB,", 3, "AB" },
+    { __LINE__, "AB,", 4, "AB," },
+    { __LINE__, "AB,", 5, "\"AB," },
+    { __LINE__, "AB,", 6, "\"AB,\"" },
+    { __LINE__, "AB\"", 1, "" },
+    { __LINE__, "AB\"", 2, "A" },
+    { __LINE__, "AB\"", 3, "AB" },
+    { __LINE__, "AB\"", 4, "AB\"" },
+    { __LINE__, "AB\"", 5, "\"AB\"" },
+    { __LINE__, "AB\"", 6, "\"AB\"\"" },
+    { __LINE__, "AB;", 1, "" },
+    { __LINE__, "AB;", 2, "A" },
+    { __LINE__, "AB;", 3, "AB" },
+    { __LINE__, "AB;", 4, "AB;" },
+    { __LINE__, "AB;", 5, "\"AB;" },
+    { __LINE__, "AB;", 6, "\"AB;\"" },
+    { __LINE__, "AB^", 1, "" },
+    { __LINE__, "AB^", 2, "A" },
+    { __LINE__, "AB^", 3, "AB" },
+    { __LINE__, "AB^", 4, "AB^" },
+    { __LINE__, "AB^", 5, "\"AB^" },
+    { __LINE__, "AB^", 6, "\"AB^\"" },
+};
+
+static const TESTENTRYW s_entriesW[] =
+{
+    { __LINE__, L"", 0, L"" },
+    { __LINE__, L"", 1, L"" },
+    { __LINE__, L"", 2, L"" },
+    { __LINE__, L"", 3, L"" },
+    { __LINE__, L"", 4, L"" },
+    { __LINE__, L"", 5, L"" },
+    { __LINE__, L"", 6, L"" },
+    { __LINE__, L"ABC", 1, L"ABC" },
+    { __LINE__, L"ABC", 2, L"ABC" },
+    { __LINE__, L"ABC", 3, L"ABC" },
+    { __LINE__, L"ABC", 4, L"ABC" },
+    { __LINE__, L"ABC", 5, L"ABC" },
+    { __LINE__, L"ABC", 6, L"ABC" },
+    { __LINE__, L"AB C", 1, L"AB C" },
+    { __LINE__, L"AB C", 2, L"AB C" },
+    { __LINE__, L"AB C", 3, L"AB C" },
+    { __LINE__, L"AB C", 4, L"AB C" },
+    { __LINE__, L"AB C", 5, L"AB C" },
+    { __LINE__, L"AB C", 6, L"\"AB C\"" },
+    { __LINE__, L"AB C ", 1, L"AB C " },
+    { __LINE__, L"AB C ", 2, L"AB C " },
+    { __LINE__, L"AB C ", 3, L"AB C " },
+    { __LINE__, L"AB C ", 4, L"AB C " },
+    { __LINE__, L"AB C ", 5, L"AB C " },
+    { __LINE__, L"AB C ", 6, L"AB C " },
+    { __LINE__, L"AB,", 1, L"AB," },
+    { __LINE__, L"AB,", 2, L"AB," },
+    { __LINE__, L"AB,", 3, L"AB," },
+    { __LINE__, L"AB,", 4, L"AB," },
+    { __LINE__, L"AB,", 5, L"\"AB,\"" },
+    { __LINE__, L"AB,", 6, L"\"AB,\"" },
+    { __LINE__, L"AB\"", 1, L"AB\"" },
+    { __LINE__, L"AB\"", 2, L"AB\"" },
+    { __LINE__, L"AB\"", 3, L"AB\"" },
+    { __LINE__, L"AB\"", 4, L"AB\"" },
+    { __LINE__, L"AB\"", 5, L"\"AB\"\"" },
+    { __LINE__, L"AB\"", 6, L"\"AB\"\"" },
+    { __LINE__, L"AB;", 1, L"AB;" },
+    { __LINE__, L"AB;", 2, L"AB;" },
+    { __LINE__, L"AB;", 3, L"AB;" },
+    { __LINE__, L"AB;", 4, L"AB;" },
+    { __LINE__, L"AB;", 5, L"\"AB;\"" },
+    { __LINE__, L"AB;", 6, L"\"AB;\"" },
+    { __LINE__, L"AB^", 1, L"AB^" },
+    { __LINE__, L"AB^", 2, L"AB^" },
+    { __LINE__, L"AB^", 3, L"AB^" },
+    { __LINE__, L"AB^", 4, L"AB^" },
+    { __LINE__, L"AB^", 5, L"\"AB^\"" },
+    { __LINE__, L"AB^", 6, L"\"AB^\"" },
+};
+
+static void JustDoIt(void)
+{
+    SIZE_T i, count;
+    CHAR bufA[MAX_PATH];
+    WCHAR bufW[MAX_PATH];
+
+    count = _countof(s_entriesA);
+    for (i = 0; i < count; ++i)
+    {
+        lstrcpynA(bufA, s_entriesA[i].input, _countof(bufA));
+        s_pCheckEscapesA(bufA, s_entriesA[i].len);
+        ok(lstrcmpA(bufA, s_entriesA[i].output) == 0,
+           "Line %d: output expected '%s' vs got '%s'\n",
+           s_entriesA[i].lineno, s_entriesA[i].output, bufA);
+    }
+
+    count = _countof(s_entriesW);
+    for (i = 0; i < count; ++i)
+    {
+        lstrcpynW(bufW, s_entriesW[i].input, _countof(bufW));
+        s_pCheckEscapesW(bufW, s_entriesW[i].len);
+        ok(lstrcmpW(bufW, s_entriesW[i].output) == 0,
+           "Line %d: output expected '%ls' vs got '%ls'\n",
+           s_entriesW[i].lineno, s_entriesW[i].output, bufW);
+    }
+}
+
+START_TEST(CheckEscapes)
+{
+    HINSTANCE hShell32 = GetModuleHandleA("shell32");
+    s_pCheckEscapesA = (FN_CheckEscapesA)GetProcAddress(hShell32, "CheckEscapesA");
+    s_pCheckEscapesW = (FN_CheckEscapesW)GetProcAddress(hShell32, "CheckEscapesW");
+    if (s_pCheckEscapesA && s_pCheckEscapesW)
+    {
+        JustDoIt();
+    }
+    else
+    {
+        skip("There is no CheckEscapesA/W\n");
+    }
+}

modules/rostests/apitests/shell32/testlist.c

@@ -6,6 +6,7 @@
 extern void func_AddCommas(void);
 extern void func_Control_RunDLLW(void);
 extern void func_CFSFolder(void);
+extern void func_CheckEscapes(void);
 extern void func_CIDLData(void);
 extern void func_CMyComputer(void);
 extern void func_CShellDesktop(void);
@@ -33,6 +34,7 @@ const struct test winetest_testlist[] =
     { "AddCommas", func_AddCommas },
     { "Control_RunDLLW", func_Control_RunDLLW },
     { "CFSFolder", func_CFSFolder },
+    { "CheckEscapes", func_CheckEscapes },
     { "CIDLData", func_CIDLData },
     { "CMyComputer", func_CMyComputer },
     { "CShellDesktop", func_CShellDesktop },

sdk/include/reactos/undocshell.h

@@ -611,8 +611,8 @@ HRESULT WINAPI SHCreateLinks(
     UINT uFlags,
     LPITEMIDLIST *lppidlLinks);
 
-DWORD WINAPI CheckEscapesA(LPSTR string, DWORD len);
+VOID WINAPI CheckEscapesA(LPSTR string, DWORD len);
-DWORD WINAPI CheckEscapesW(LPWSTR string, DWORD len);
+VOID WINAPI CheckEscapesW(LPWSTR string, DWORD len);
 
 /* policy functions */
 BOOL WINAPI SHInitRestricted(LPCVOID unused, LPCVOID inpRegKey);