Alex Henrie : mscoree: Pass size in bytes to RegGetValueW.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: bfed14d6bc5147a559d4fa2dc518ab727373fdcb
URL:    https://gitlab.winehq.org/wine/wine/-/commit/bfed14d6bc5147a559d4fa2dc518ab7...

Author: Alex Henrie 
Date:   Tue Jul  2 23:40:00 2024 -0600

mscoree: Pass size in bytes to RegGetValueW.

---

dlls/mscoree/corruntimehost.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/dlls/mscoree/corruntimehost.c b/dlls/mscoree/corruntimehost.c
index f5a3831c90e..d9864b4dcd2 100644
--- a/dlls/mscoree/corruntimehost.c
+++ b/dlls/mscoree/corruntimehost.c
@@ -1738,8 +1738,7 @@ HRESULT create_monodata(REFCLSID clsid, LPVOID *ppObj)
     WCHAR codebase[MAX_PATH + 8];
     WCHAR classname[350], subkeyName[256];
     WCHAR filename[MAX_PATH];
-
-    DWORD dwBufLen = 350;
+    DWORD dwBufLen;

lstrcpyW(path, wszCLSIDSlash);
     StringFromGUID2(clsid, path + lstrlenW(wszCLSIDSlash), CHARS_IN_GUID);
@@ -1758,7 +1757,7 @@ HRESULT create_monodata(REFCLSID clsid, LPVOID *ppObj)
             HRESULT (WINAPI *pDllGetClassObject)(REFCLSID,REFIID,LPVOID*);
             IClassFactory *classfactory;

-            dwBufLen = ARRAY_SIZE( filename );
+            dwBufLen = sizeof( filename );
             res = RegGetValueW( subkey, NULL, NULL, RRF_RT_REG_SZ, NULL, filename, &dwBufLen );

RegCloseKey( subkey );
@@ -1796,6 +1795,7 @@ HRESULT create_monodata(REFCLSID clsid, LPVOID *ppObj)
             goto cleanup;
         }

+        dwBufLen = sizeof( classname );
         res = RegGetValueW( key, NULL, L"Class", RRF_RT_REG_SZ, NULL, classname, &dwBufLen);
         if(res != ERROR_SUCCESS)
         {
@@ -1806,7 +1806,7 @@ HRESULT create_monodata(REFCLSID clsid, LPVOID *ppObj)

TRACE("classname (%s)\n", debugstr_w(classname));

-        dwBufLen = MAX_PATH + 8;
+        dwBufLen = sizeof( codebase );
         res = RegGetValueW( key, NULL, L"CodeBase", RRF_RT_REG_SZ, NULL, codebase, &dwBufLen);
         if(res == ERROR_SUCCESS)
         {
@@ -1841,7 +1841,7 @@ HRESULT create_monodata(REFCLSID clsid, LPVOID *ppObj)
                 res = RegOpenKeyExW(key, subkeyName, 0, KEY_READ, &subkey);
                 if (res != ERROR_SUCCESS)
                     goto cleanup;
-                dwBufLen = MAX_PATH + 8;
+                dwBufLen = sizeof( assemblyname );
                 res = RegGetValueW(subkey, NULL, L"Assembly", RRF_RT_REG_SZ, NULL, assemblyname, &dwBufLen);
                 RegCloseKey(subkey);
                 if (res != ERROR_SUCCESS)
@@ -1849,7 +1849,7 @@ HRESULT create_monodata(REFCLSID clsid, LPVOID *ppObj)
             }
             else
             {
-                dwBufLen = MAX_PATH + 8;
+                dwBufLen = sizeof( assemblyname );
                 res = RegGetValueW(key, NULL, L"Assembly", RRF_RT_REG_SZ, NULL, assemblyname, &dwBufLen);
                 if (res != ERROR_SUCCESS)
                     goto cleanup;