https://git.reactos.org/?p=reactos.git;a=commitdiff;h=e1df4f2d8f6206382b9902727d52b2681c672679

commit e1df4f2d8f6206382b9902727d52b2681c672679
Author:     Katayama Hirofumi MZ <[email protected]>
AuthorDate: Wed Oct 26 12:01:33 2022 +0900
Commit:     GitHub <[email protected]>
CommitDate: Wed Oct 26 12:01:33 2022 +0900

    [IMM32] Add reasoning for tracing (#4807)
    
    Follow-up of c2a9436 (#4798).
    Improve trace messages.
    CORE-11700
---
 dll/win32/imm32/candidate.c | 18 ++++++++++++------
 dll/win32/imm32/compstr.c   | 13 ++++++-------
 dll/win32/imm32/ime.c       | 43 +++++++++++++++++++++++++++++++------------
 dll/win32/imm32/imm.c       | 26 ++++++++++++++------------
 dll/win32/imm32/keymsg.c    | 17 +++++++----------
 dll/win32/imm32/utils.c     | 40 ++++++++++++++++++++--------------------
 6 files changed, 90 insertions(+), 67 deletions(-)

diff --git a/dll/win32/imm32/candidate.c b/dll/win32/imm32/candidate.c
index a1df77e7b33..df976e407c8 100644
--- a/dll/win32/imm32/candidate.c
+++ b/dll/win32/imm32/candidate.c
@@ -180,9 +180,15 @@ ImmGetCandidateListAW(HIMC hIMC, DWORD dwIndex, 
LPCANDIDATELIST lpCandList, DWOR
         return 0;
     }
 
-    if (pCI->dwSize < sizeof(CANDIDATEINFO) || pCI->dwCount <= dwIndex)
+    if (pCI->dwSize < sizeof(CANDIDATEINFO))
+    {
+        ERR("Too small\n");
+        goto Quit;
+    }
+
+    if (pCI->dwCount <= dwIndex)
     {
-        ERR("\n");
+        ERR("Out of boundary\n");
         goto Quit;
     }
 
@@ -276,7 +282,7 @@ ImmGetCandidateListCountAW(HIMC hIMC, LPDWORD 
lpdwListCount, BOOL bAnsi)
 
     if (pCI->dwSize < sizeof(CANDIDATEINFO))
     {
-        ERR("\n");
+        ERR("Too small\n");
         goto Quit;
     }
 
@@ -378,7 +384,7 @@ ImmGetCandidateWindow(HIMC hIMC, DWORD dwIndex, 
LPCANDIDATEFORM lpCandidate)
 
     if (dwIndex >= MAX_CANDIDATEFORM) /* Windows didn't check but we do for 
security reason */
     {
-        ERR("\n");
+        ERR("Out of boundary\n");
         return FALSE;
     }
 
@@ -394,7 +400,7 @@ ImmGetCandidateWindow(HIMC hIMC, DWORD dwIndex, 
LPCANDIDATEFORM lpCandidate)
     }
     else
     {
-        ERR("\n");
+        ERR("Out of boundary\n");
     }
 
     ImmUnlockIMC(hIMC);
@@ -414,7 +420,7 @@ BOOL WINAPI ImmSetCandidateWindow(HIMC hIMC, 
LPCANDIDATEFORM lpCandidate)
 
     if (lpCandidate->dwIndex >= MAX_CANDIDATEFORM)
     {
-        ERR("\n");
+        ERR("Out of boundary\n");
         return FALSE;
     }
 
diff --git a/dll/win32/imm32/compstr.c b/dll/win32/imm32/compstr.c
index 980e904e1c6..5486397f3f4 100644
--- a/dll/win32/imm32/compstr.c
+++ b/dll/win32/imm32/compstr.c
@@ -272,7 +272,7 @@ Imm32GetCompStrA(HIMC hIMC, const COMPOSITIONSTRING *pCS, 
DWORD dwIndex,
                 break;
 
             default:
-                FIXME("\n");
+                FIXME("0x%X\n", dwIndex);
                 return IMM_ERROR_GENERAL;
         }
     }
@@ -357,7 +357,7 @@ Imm32GetCompStrA(HIMC hIMC, const COMPOSITIONSTRING *pCS, 
DWORD dwIndex,
                 break;
 
             default:
-                FIXME("\n");
+                FIXME("0x%X\n", dwIndex);
                 return IMM_ERROR_GENERAL;
         }
     }
@@ -449,7 +449,7 @@ Imm32GetCompStrW(HIMC hIMC, const COMPOSITIONSTRING *pCS, 
DWORD dwIndex,
                 break;
 
             default:
-                FIXME("\n");
+                FIXME("0x%X\n", dwIndex);
                 return IMM_ERROR_GENERAL;
         }
     }
@@ -506,7 +506,7 @@ Imm32GetCompStrW(HIMC hIMC, const COMPOSITIONSTRING *pCS, 
DWORD dwIndex,
                 break;
 
             default:
-                FIXME("\n");
+                FIXME("0x%X\n", dwIndex);
                 return IMM_ERROR_GENERAL;
         }
     }
@@ -532,7 +532,7 @@ ImmSetCompositionStringAW(HIMC hIMC, DWORD dwIndex, LPVOID 
pComp, DWORD dwCompLe
     dwThreadId = (DWORD)NtUserQueryInputContext(hIMC, QIC_INPUTTHREADID);
     if (dwThreadId != GetCurrentThreadId())
     {
-        ERR("\n");
+        ERR("Thread mismatch\n");
         return FALSE;
     }
 
@@ -554,7 +554,7 @@ ImmSetCompositionStringAW(HIMC hIMC, DWORD dwIndex, LPVOID 
pComp, DWORD dwCompLe
                 break;
             /* FALL THROUGH */
         default:
-            ERR("\n");
+            ERR("0x%X\n", dwIndex);
             ImmUnlockImeDpi(pImeDpi);
             return FALSE;
     }
@@ -569,7 +569,6 @@ ImmSetCompositionStringAW(HIMC hIMC, DWORD dwIndex, LPVOID 
pComp, DWORD dwCompLe
 
     if (!Imm32OpenICAndCS(hIMC, &pIC, &pCS))
     {
-        ERR("\n");
         ImmUnlockImeDpi(pImeDpi);
         return FALSE;
     }
diff --git a/dll/win32/imm32/ime.c b/dll/win32/imm32/ime.c
index 9bc3cd6830a..d898c924570 100644
--- a/dll/win32/imm32/ime.c
+++ b/dll/win32/imm32/ime.c
@@ -125,32 +125,32 @@ BOOL APIENTRY Imm32InquireIme(PIMEDPI pImeDpi)
 
     if (pImeInfo->fdwProperty & ~VALID_IME_PROP)
     {
-        ERR("\n");
+        ERR("Bad flags\n");
         return FALSE;
     }
     if (pImeInfo->fdwConversionCaps & ~VALID_CMODE_CAPS)
     {
-        ERR("\n");
+        ERR("Bad flags\n");
         return FALSE;
     }
     if (pImeInfo->fdwSentenceCaps & ~VALID_SMODE_CAPS)
     {
-        ERR("\n");
+        ERR("Bad flags\n");
         return FALSE;
     }
     if (pImeInfo->fdwUICaps & ~VALID_UI_CAPS)
     {
-        ERR("\n");
+        ERR("Bad flags\n");
         return FALSE;
     }
     if (pImeInfo->fdwSCSCaps & ~VALID_SCS_CAPS)
     {
-        ERR("\n");
+        ERR("Bad flags\n");
         return FALSE;
     }
     if (pImeInfo->fdwSelectCaps & ~VALID_SELECT_CAPS)
     {
-        ERR("\n");
+        ERR("Bad flags\n");
         return FALSE;
     }
 
@@ -223,7 +223,7 @@ BOOL APIENTRY Imm32LoadIME(PIMEINFOEX pImeInfoEx, PIMEDPI 
pImeDpi)
         fn = GetProcAddress(hIME, #name); \
         if (fn) pImeDpi->name = (FN_##name)fn; \
         else if (!(optional)) { \
-            ERR("'%s' not found in the IME module '%s'.\n", #name, 
debugstr_w(szPath)); \
+            ERR("'%s' not found in IME module '%s'.\n", #name, 
debugstr_w(szPath)); \
             goto Failed; \
         } \
     } while (0);
@@ -236,7 +236,6 @@ BOOL APIENTRY Imm32LoadIME(PIMEINFOEX pImeInfoEx, PIMEDPI 
pImeDpi)
     }
     else
     {
-        ERR("Imm32InquireIme failed\n");
 Failed:
         ret = FALSE;
         FreeLibrary(pImeDpi->hInst);
@@ -274,7 +273,10 @@ PIMEDPI APIENTRY Imm32LoadImeDpi(HKL hKL, BOOL bLock)
     LCID lcid;
 
     if (!IS_IME_HKL(hKL))
+    {
+        TRACE("\n");
         return NULL;
+    }
 
     if (!ImmGetImeInfoEx(&ImeInfoEx, ImeInfoExKeyboardLayout, &hKL))
     {
@@ -344,7 +346,7 @@ PIMEDPI APIENTRY Imm32FindOrLoadImeDpi(HKL hKL)
 
     if (!IS_IME_HKL(hKL) && (!IS_CICERO_MODE() || IS_16BIT_MODE()))
     {
-        ERR("\n");
+        TRACE("\n");
         return NULL;
     }
 
@@ -453,7 +455,10 @@ LRESULT WINAPI ImmPutImeMenuItemsIntoMappedFile(HIMC hIMC)
 
     hMapping = OpenFileMappingW(FILE_MAP_ALL_ACCESS, FALSE, L"ImmMenuInfo");
     pView = MapViewOfFile(hMapping, FILE_MAP_ALL_ACCESS, 0, 0, 0);
-    if (!pView || pView->dwVersion != 1)
+    if (IS_NULL_UNEXPECTEDLY(pView))
+        goto Quit;
+
+    if (pView->dwVersion != 1)
     {
         ERR("\n");
         goto Quit;
@@ -798,7 +803,10 @@ HKL WINAPI ImmInstallIMEW(LPCWSTR lpszIMEFileName, LPCWSTR 
lpszLayoutText)
     if (cLayouts)
     {
         pLayouts = ImmLocalAlloc(0, cLayouts * sizeof(REG_IME));
-        if (!pLayouts || !Imm32GetImeLayout(pLayouts, cLayouts))
+        if (IS_NULL_UNEXPECTEDLY(pLayouts))
+            return NULL;
+
+        if (!Imm32GetImeLayout(pLayouts, cLayouts))
         {
             ERR("\n");
             ImmLocalFree(pLayouts);
@@ -883,7 +891,7 @@ HWND WINAPI ImmGetDefaultIMEWnd(HWND hWnd)
 {
     if (!IS_IMM_MODE())
     {
-        WARN("\n");
+        TRACE("\n");
         return NULL;
     }
 
@@ -1088,7 +1096,10 @@ UINT WINAPI ImmGetDescriptionA(HKL hKL, LPSTR 
lpszDescription, UINT uBufLen)
     TRACE("(%p,%p,%d)\n", hKL, lpszDescription, uBufLen);
 
     if (!IS_IME_HKL(hKL))
+    {
+        TRACE("\n");
         return 0;
+    }
 
     if (!ImmGetImeInfoEx(&info, ImeInfoExKeyboardLayout, &hKL))
     {
@@ -1115,7 +1126,10 @@ UINT WINAPI ImmGetDescriptionW(HKL hKL, LPWSTR 
lpszDescription, UINT uBufLen)
     TRACE("(%p, %p, %d)\n", hKL, lpszDescription, uBufLen);
 
     if (!IS_IME_HKL(hKL))
+    {
+        TRACE("\n");
         return 0;
+    }
 
     if (!ImmGetImeInfoEx(&info, ImeInfoExKeyboardLayout, &hKL))
     {
@@ -1143,6 +1157,7 @@ UINT WINAPI ImmGetIMEFileNameA( HKL hKL, LPSTR 
lpszFileName, UINT uBufLen)
 
     if (!IS_IME_HKL(hKL))
     {
+        TRACE("\n");
         if (uBufLen > 0)
             lpszFileName[0] = 0;
         return 0;
@@ -1182,6 +1197,7 @@ UINT WINAPI ImmGetIMEFileNameW(HKL hKL, LPWSTR 
lpszFileName, UINT uBufLen)
 
     if (!IS_IME_HKL(hKL))
     {
+        TRACE("\n");
         if (uBufLen > 0)
             lpszFileName[0] = 0;
         return 0;
@@ -1221,7 +1237,10 @@ DWORD WINAPI ImmGetProperty(HKL hKL, DWORD fdwIndex)
     TRACE("(%p, %lu)\n", hKL, fdwIndex);
 
     if (!IS_IME_HKL(hKL))
+    {
+        TRACE("\n");
         return FALSE;
+    }
 
     if (!ImmGetImeInfoEx(&ImeInfoEx, ImeInfoExKeyboardLayout, &hKL))
     {
diff --git a/dll/win32/imm32/imm.c b/dll/win32/imm32/imm.c
index 117384111be..27d80d3a82d 100644
--- a/dll/win32/imm32/imm.c
+++ b/dll/win32/imm32/imm.c
@@ -90,7 +90,10 @@ BOOL WINAPI ImmLoadLayout(HKL hKL, PIMEINFOEX pImeInfoEx)
 
     pImeInfoEx->fLoadFlag = 0;
 
-    if (IS_ERROR_UNEXPECTEDLY(error) || dwType != REG_SZ)
+    if (IS_ERROR_UNEXPECTEDLY(error))
+        return FALSE;
+
+    if (dwType != REG_SZ)
     {
         ERR("\n");
         return FALSE;
@@ -145,7 +148,7 @@ BOOL WINAPI ImmFreeLayout(DWORD dwUnknown)
         StringCchPrintfW(szKBD, _countof(szKBD), L"%08X", LangID);
         if (!LoadKeyboardLayoutW(szKBD, KLF_ACTIVATE))
         {
-            WARN("\n");
+            WARN("Default to English US\n");
             LoadKeyboardLayoutW(L"00000409", KLF_ACTIVATE | 0x200);
         }
     }
@@ -497,7 +500,7 @@ HIMC WINAPI ImmAssociateContext(HWND hWnd, HIMC hIMC)
 
     if (!IS_IMM_MODE())
     {
-        WARN("\n");
+        TRACE("\n");
         return NULL;
     }
 
@@ -546,7 +549,7 @@ BOOL WINAPI ImmAssociateContextEx(HWND hWnd, HIMC hIMC, 
DWORD dwFlags)
 
     if (!IS_IMM_MODE())
     {
-        WARN("\n");
+        TRACE("\n");
         return FALSE;
     }
 
@@ -594,7 +597,7 @@ HIMC WINAPI ImmCreateContext(void)
 
     if (!IS_IMM_MODE())
     {
-        WARN("\n");
+        TRACE("\n");
         return NULL;
     }
 
@@ -651,7 +654,7 @@ BOOL APIENTRY Imm32DestroyInputContext(HIMC hIMC, HKL hKL, 
BOOL bKeep)
 
     if (!IS_IMM_MODE())
     {
-        WARN("\n");
+        TRACE("\n");
         return FALSE;
     }
 
@@ -661,7 +664,7 @@ BOOL APIENTRY Imm32DestroyInputContext(HIMC hIMC, HKL hKL, 
BOOL bKeep)
 
     if (pIMC->head.pti != Imm32CurrentPti())
     {
-        ERR("\n");
+        ERR("Thread mismatch\n");
         return FALSE;
     }
 
@@ -674,7 +677,7 @@ BOOL APIENTRY Imm32DestroyInputContext(HIMC hIMC, HKL hKL, 
BOOL bKeep)
 
     if ((pClientImc->dwFlags & CLIENTIMC_UNKNOWN2) && !bKeep)
     {
-        ERR("\n");
+        ERR("Can't destroy for CLIENTIMC_UNKNOWN2\n");
         return FALSE;
     }
 
@@ -875,7 +878,7 @@ LPINPUTCONTEXT APIENTRY Imm32InternalLockIMC(HIMC hIMC, 
BOOL fSelect)
 
     if (!NtUserQueryInputContext(hIMC, QIC_DEFAULTWINDOWIME))
     {
-        ERR("\n");
+        ERR("No default IME window\n");
         goto Failure;
     }
 
@@ -891,7 +894,6 @@ LPINPUTCONTEXT APIENTRY Imm32InternalLockIMC(HIMC hIMC, 
BOOL fSelect)
     hNewKL = GetKeyboardLayout(dwThreadId);
     if (!Imm32CreateInputContext(hIMC, pIC, pClientImc, hNewKL, fSelect))
     {
-        ERR("\n");
         LocalUnlock(hIC);
         pClientImc->hInputContext = LocalFree(hIC);
         goto Failure;
@@ -920,7 +922,7 @@ BOOL WINAPI ImmDestroyContext(HIMC hIMC)
 
     if (!IS_IMM_MODE())
     {
-        WARN("\n");
+        TRACE("\n");
         return FALSE;
     }
 
@@ -1175,7 +1177,7 @@ BOOL WINAPI ImmSetActiveContext(HWND hWnd, HIMC hIMC, 
BOOL fActive)
 
     if (!IS_IMM_MODE())
     {
-        WARN("\n");
+        TRACE("\n");
         return FALSE;
     }
 
diff --git a/dll/win32/imm32/keymsg.c b/dll/win32/imm32/keymsg.c
index 8e1cac90154..c759176e7d6 100644
--- a/dll/win32/imm32/keymsg.c
+++ b/dll/win32/imm32/keymsg.c
@@ -457,7 +457,7 @@ Imm32ProcessRequest(HIMC hIMC, PWND pWnd, DWORD dwCommand, 
LPVOID pData, BOOL bA
 
     if (dwCommand == 0 || dwCommand > IMR_DOCUMENTFEED)
     {
-        ERR("\n");
+        ERR("Out of boundary\n");
         return 0; /* Out of range */
     }
 
@@ -475,7 +475,7 @@ Imm32ProcessRequest(HIMC hIMC, PWND pWnd, DWORD dwCommand, 
LPVOID pData, BOOL bA
             pRS = pData;
             if (pRS && (pRS->dwVersion != 0 || pRS->dwSize < 
sizeof(RECONVERTSTRING)))
             {
-                ERR("\n");
+                ERR("Invalid pRS\n");
                 return 0;
             }
             break;
@@ -484,17 +484,14 @@ Imm32ProcessRequest(HIMC hIMC, PWND pWnd, DWORD 
dwCommand, LPVOID pData, BOOL bA
             pRS = pData;
             if (!pRS || pRS->dwVersion != 0)
             {
-                ERR("\n");
+                ERR("Invalid pRS\n");
                 return 0;
             }
             break;
 
         default:
-            if (!pData)
-            {
-                ERR("\n");
+            if (IS_NULL_UNEXPECTEDLY(pData))
                 return 0;
-            }
             break;
     }
 
@@ -585,7 +582,7 @@ Imm32ProcessRequest(HIMC hIMC, PWND pWnd, DWORD dwCommand, 
LPVOID pData, BOOL bA
             break;
 
         default:
-            WARN("\n");
+            WARN("0x%X\n", dwCommand);
             break;
     }
 
@@ -634,7 +631,7 @@ DoIt:
             break;
 
         default:
-            WARN("\n");
+            WARN("0x%X\n", dwCommand);
             break;
     }
 
@@ -884,7 +881,7 @@ LRESULT WINAPI ImmSystemHandler(HIMC hIMC, WPARAM wParam, 
LPARAM lParam)
             return CtfImmSetLangBand((HWND)lParam, (wParam == 
IMS_SETLANGBAND));
 
         default:
-            WARN("\n");
+            WARN("%p\n", wParam);
             return 0;
     }
 }
diff --git a/dll/win32/imm32/utils.c b/dll/win32/imm32/utils.c
index b98697358e9..cd7cfd56bd2 100644
--- a/dll/win32/imm32/utils.c
+++ b/dll/win32/imm32/utils.c
@@ -73,7 +73,7 @@ BOOL APIENTRY Imm32IsSystemJapaneseOrKorean(VOID)
     WORD wPrimary = PRIMARYLANGID(LangID);
     if (wPrimary != LANG_JAPANESE || wPrimary != LANG_KOREAN)
     {
-        WARN("\n");
+        TRACE("The country has no special IME support\n");
         return FALSE;
     }
     return TRUE;
@@ -104,7 +104,7 @@ HBITMAP Imm32LoadBitmapFromBytes(const BYTE *pb)
     hbm = CreateDIBSection(NULL, (LPBITMAPINFO)pbmci, DIB_RGB_COLORS, &pvBits, 
NULL, 0);
     if (!hbm || !GetObject(hbm, sizeof(BITMAP), &bm))
     {
-        ERR("\n");
+        ERR("Invalid bitmap\n");
         return NULL;
     }
 
@@ -117,7 +117,7 @@ HBITMAP Imm32LoadBitmapFromBytes(const BYTE *pb)
             cColors = 0;
             break;
         default:
-            ERR("\n");
+            ERR("Invalid bitmap\n");
             DeleteObject(hbm);
             return NULL;
     }
@@ -131,7 +131,7 @@ HBITMAP Imm32LoadBitmapFromBytes(const BYTE *pb)
     ib += bm.bmWidthBytes * bm.bmHeight;
     if (ib > cbBytes)
     {
-        ERR("\n");
+        ERR("Invalid bitmap\n");
         DeleteObject(hbm);
         return NULL;
     }
@@ -153,7 +153,7 @@ BOOL Imm32StoreBitmapToBytes(HBITMAP hbm, LPBYTE pbData, 
DWORD cbDataMax)
 
     if (!GetObject(hbm, sizeof(BITMAP), &bm))
     {
-        ERR("\n");
+        ERR("Invalid bitmap\n");
         return FALSE;
     }
 
@@ -173,7 +173,7 @@ BOOL Imm32StoreBitmapToBytes(HBITMAP hbm, LPBYTE pbData, 
DWORD cbDataMax)
             cColors = 0;
             break;
         default:
-            ERR("\n");
+            ERR("Invalid bitmap\n");
             return FALSE;
     }
 
@@ -183,7 +183,7 @@ BOOL Imm32StoreBitmapToBytes(HBITMAP hbm, LPBYTE pbData, 
DWORD cbDataMax)
     cbBytes += bm.bmWidthBytes * bm.bmHeight;
     if (cbBytes > cbDataMax)
     {
-        ERR("\n");
+        ERR("Too small\n");
         return FALSE;
     }
 
@@ -287,7 +287,7 @@ BOOL Imm32GetSystemLibraryPath(LPWSTR pszPath, DWORD 
cchPath, LPCWSTR pszFileNam
 {
     if (!pszFileName[0] || !GetSystemDirectoryW(pszPath, cchPath))
     {
-        ERR("\n");
+        ERR("Invalid filename\n");
         return FALSE;
     }
     StringCchCatW(pszPath, cchPath, L"\\");
@@ -345,7 +345,7 @@ LPVOID FASTCALL ValidateHandleNoErr(HANDLE hObject, UINT 
uType)
 
     if (!NtUserValidateHandleSecure(hObject))
     {
-        WARN("\n");
+        WARN("Not a handle\n");
         return NULL;
     }
 
@@ -485,7 +485,7 @@ DWORD APIENTRY Imm32BuildHimcList(DWORD dwThreadId, HIMC 
**pphList)
 
     if (NT_ERROR(Status) || !dwCount)
     {
-        ERR("\n");
+        ERR("Abnormal status\n");
         ImmLocalFree(phNewList);
         return 0;
     }
@@ -645,7 +645,7 @@ Imm32ReconvertWideFromAnsi(LPRECONVERTSTRING pDest, const 
RECONVERTSTRING *pSrc,
 
     if (pDest->dwSize < cbDest)
     {
-        ERR("\n");
+        ERR("Too small\n");
         return 0;
     }
 
@@ -695,7 +695,10 @@ Imm32ReconvertAnsiFromWide(LPRECONVERTSTRING pDest, const 
RECONVERTSTRING *pSrc,
     LPSTR pchDest;
 
     if (pSrc->dwVersion != 0)
+    {
+        ERR("\n");
         return 0;
+    }
 
     cchDest = WideCharToMultiByte(uCodePage, 0, pchSrc, pSrc->dwStrLen,
                                   NULL, 0, NULL, NULL);
@@ -705,7 +708,7 @@ Imm32ReconvertAnsiFromWide(LPRECONVERTSTRING pDest, const 
RECONVERTSTRING *pSrc,
 
     if (pDest->dwSize < cbDest)
     {
-        ERR("\n");
+        ERR("Too small\n");
         return 0;
     }
 
@@ -764,14 +767,14 @@ static BOOL APIENTRY Imm32LoadImeFixedInfo(PIMEINFOEX 
pInfoEx, LPCVOID pVerInfo)
     VS_FIXEDFILEINFO *pFixed;
     if (!s_fnVerQueryValueW(pVerInfo, L"\\", (LPVOID*)&pFixed, &cbFixed) || 
!cbFixed)
     {
-        ERR("\n");
+        ERR("Fixed version info not available\n");
         return FALSE;
     }
 
     /* NOTE: The IME module must contain a version info of input method 
driver. */
     if (pFixed->dwFileType != VFT_DRV || pFixed->dwFileSubtype != 
VFT2_DRV_INPUTMETHOD)
     {
-        ERR("\n");
+        ERR("DLL is not an IME\n");
         return FALSE;
     }
 
@@ -811,7 +814,7 @@ BOOL APIENTRY Imm32LoadImeLangAndDesc(PIMEINFOEX pInfoEx, 
LPCVOID pVerInfo)
     ret = s_fnVerQueryValueW(pVerInfo, L"\\VarFileInfo\\Translation", 
(LPVOID*)&pw, &cbData);
     if (!ret || !cbData)
     {
-        ERR("\n");
+        ERR("Translation not available\n");
         return FALSE;
     }
 
@@ -978,10 +981,7 @@ UINT APIENTRY Imm32GetImeLayout(PREG_IME pLayouts, UINT 
cLayouts)
 
         lError = RegOpenKeyW(hkeyLayouts, szImeKey, &hkeyIME); /* Open the IME 
key */
         if (IS_ERROR_UNEXPECTEDLY(lError))
-        {
-            WARN("\n");
             continue;
-        }
 
         /* Load the "Ime File" value */
         szImeFileName[0] = 0;
@@ -1000,7 +1000,7 @@ UINT APIENTRY Imm32GetImeLayout(PREG_IME pLayouts, UINT 
cLayouts)
 
         Imm32StrToUInt(szImeKey, &Value, 16);
         hKL = (HKL)(DWORD_PTR)Value;
-        if (!IS_IME_HKL(hKL))
+        if (!IS_IME_HKL(hKL)) /* Not an IME */
         {
             WARN("\n");
             continue;
@@ -1093,7 +1093,7 @@ BOOL APIENTRY Imm32WriteImeLayout(HKL hKL, LPCWSTR 
pchFilePart, LPCWSTR pszLayou
 
     if (iPreload >= MAX_PRELOAD) /* Not found */
     {
-        WARN("\n");
+        ERR("\n");
         RegCloseKey(hkeyPreload);
         return FALSE;
     }

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