avifil32: Introduce ARRAY_SIZE macro.

dlls/avifil32/api.c

@@ -156,7 +156,7 @@ static BOOL AVIFILE_GetFileHandlerByExtension(LPCWSTR szFile, LPCLSID lpclsid)
   CHAR   szRegKey[25];
   CHAR   szValue[100];
   LPWSTR szExt = strrchrW(szFile, '.');
-  LONG   len = sizeof(szValue) / sizeof(szValue[0]);
+  LONG   len = ARRAY_SIZE(szValue);
 
   if (szExt == NULL)
     return FALSE;
@@ -371,7 +371,7 @@ HRESULT WINAPI AVIFileCreateStreamA(PAVIFILE pfile, PAVISTREAM *ppavi,
   /* Only the szName at the end is different */
   memcpy(&psiw, psi, sizeof(*psi) - sizeof(psi->szName));
   MultiByteToWideChar(CP_ACP, 0, psi->szName, -1, psiw.szName,
-		      sizeof(psiw.szName) / sizeof(psiw.szName[0]));
+		      ARRAY_SIZE(psiw.szName));
 
   return IAVIFile_CreateStream(pfile, ppavi, &psiw);
 }
@@ -1035,7 +1035,7 @@ HRESULT WINAPI AVIBuildFilterW(LPWSTR szFilter, LONG cbFilter, BOOL fSaving)
     HeapFree(GetProcessHeap(), 0, lp);
     return AVIERR_ERROR;
   }
-  for (n = 0;RegEnumKeyW(hKey, n, szFileExt, sizeof(szFileExt)/sizeof(szFileExt[0])) == ERROR_SUCCESS;n++) {
+  for (n = 0;RegEnumKeyW(hKey, n, szFileExt, ARRAY_SIZE(szFileExt)) == ERROR_SUCCESS;n++) {
     WCHAR clsidW[40];
 
     /* get CLSID to extension */
@@ -1300,7 +1300,7 @@ static void AVISaveOptionsUpdate(HWND hWnd)
 	  } else {
 	    LoadStringW(AVIFILE_hModule, IDS_UNCOMPRESSED,
 			icinfo.szDescription,
-			sizeof(icinfo.szDescription)/sizeof(icinfo.szDescription[0]));
+			ARRAY_SIZE(icinfo.szDescription));
 	    lstrcatW(szFormat, icinfo.szDescription);
 	  }
 	} else if (sInfo.fccType == streamtypeAUDIO) {
@@ -2160,7 +2160,7 @@ HRESULT WINAPI EditStreamSetNameA(PAVISTREAM pstream, LPCSTR szName)
     return hres;
 
   memset(asia.szName, 0, sizeof(asia.szName));
-  lstrcpynA(asia.szName, szName, sizeof(asia.szName)/sizeof(asia.szName[0]));
+  lstrcpynA(asia.szName, szName, ARRAY_SIZE(asia.szName));
 
   return EditStreamSetInfoA(pstream, &asia, sizeof(asia));
 }
@@ -2185,7 +2185,7 @@ HRESULT WINAPI EditStreamSetNameW(PAVISTREAM pstream, LPCWSTR szName)
     return hres;
 
   memset(asiw.szName, 0, sizeof(asiw.szName));
-  lstrcpynW(asiw.szName, szName, sizeof(asiw.szName)/sizeof(asiw.szName[0]));
+  lstrcpynW(asiw.szName, szName, ARRAY_SIZE(asiw.szName));
 
   return EditStreamSetInfoW(pstream, &asiw, sizeof(asiw));
 }

dlls/avifil32/avifile.c

@@ -1641,7 +1641,7 @@ static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This)
   This->fInfo.dwWidth               = MainAVIHdr.dwWidth;
   This->fInfo.dwHeight              = MainAVIHdr.dwHeight;
   LoadStringW(AVIFILE_hModule, IDS_AVIFILETYPE, This->fInfo.szFileType,
-	      sizeof(This->fInfo.szFileType)/sizeof(This->fInfo.szFileType[0]));
+	      ARRAY_SIZE(This->fInfo.szFileType));
 
   /* go back to into header list */
   if (mmioAscend(This->hmmio, &ck, 0) != S_OK)
@@ -1751,9 +1751,9 @@ static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This)
 
 	    /* generate description for stream like "filename.avi Type #n" */
 	    if (streamHdr.fccType == streamtypeVIDEO)
-	      LoadStringW(AVIFILE_hModule, IDS_VIDEO, szType, sizeof(szType)/sizeof(szType[0]));
+	      LoadStringW(AVIFILE_hModule, IDS_VIDEO, szType, ARRAY_SIZE(szType));
 	    else if (streamHdr.fccType == streamtypeAUDIO)
-	      LoadStringW(AVIFILE_hModule, IDS_AUDIO, szType, sizeof(szType)/sizeof(szType[0]));
+	      LoadStringW(AVIFILE_hModule, IDS_AUDIO, szType, ARRAY_SIZE(szType));
 	    else
 	      wsprintfW(szType, streamTypeFmt, (char*)&streamHdr.fccType);
 
@@ -1784,7 +1784,7 @@ static HRESULT AVIFILE_LoadFile(IAVIFileImpl *This)
 	    }
 
 	    MultiByteToWideChar(CP_ACP, 0, str, -1, pStream->sInfo.szName,
-				sizeof(pStream->sInfo.szName)/sizeof(pStream->sInfo.szName[0]));
+				ARRAY_SIZE(pStream->sInfo.szName));
 
 	    HeapFree(GetProcessHeap(), 0, str);
 	  }

dlls/avifil32/avifile_private.h

@@ -22,6 +22,8 @@
 #include <windef.h>
 #include <winuser.h>
 
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
+
 #ifndef MAX_AVISTREAMS
 #define MAX_AVISTREAMS 8
 #endif

dlls/avifil32/wavfile.c

@@ -522,9 +522,9 @@ static HRESULT WINAPI IPersistFile_fnLoad(IPersistFile *iface, LPCOLESTR pszFile
   memset(& This->sInfo, 0, sizeof(This->sInfo));
 
   LoadStringW(AVIFILE_hModule, IDS_WAVEFILETYPE, This->fInfo.szFileType,
-	      sizeof(This->fInfo.szFileType)/sizeof(This->fInfo.szFileType[0]));
+	      ARRAY_SIZE(This->fInfo.szFileType));
   if (LoadStringW(AVIFILE_hModule, IDS_WAVESTREAMFORMAT,
-		  wszStreamFmt, sizeof(wszStreamFmt)/sizeof(wszStreamFmt[0])) > 0) {
+		  wszStreamFmt, ARRAY_SIZE(wszStreamFmt)) > 0) {
     wsprintfW(This->sInfo.szName, wszStreamFmt,
 	      AVIFILE_BasenameW(This->szFileName));
   }