[PATCH v2 1/5] msacm32: Always initialize buffer lengths before calling RegEnumValue().

[Zebediah Figura]

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
 dlls/msacm32/internal.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/dlls/msacm32/internal.c b/dlls/msacm32/internal.c
index 9c4d1a75f3b..d6797bec40a 100644
--- a/dlls/msacm32/internal.c
+++ b/dlls/msacm32/internal.c
@@ -359,7 +359,7 @@ void MSACM_RegisterAllDrivers(void)
 				   'W','i','n','d','o','w','s',' ','N','T','\\',
 				   'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 				   'D','r','i','v','e','r','s','3','2','\0'};
-    DWORD i, cnt, bufLen, lRet, type;
+    DWORD i, cnt, bufLen, lRet;
     WCHAR buf[2048], valname[64], *name, *s;
     FILETIME lastWrite;
     HKEY hKey;
@@ -380,15 +380,16 @@ void MSACM_RegisterAllDrivers(void)
 	    *name = 0;
 	    MSACM_RegisterDriver(buf, name + 1, 0);
 	}
-	i = 0;
-	cnt = ARRAY_SIZE(valname);
-	bufLen = sizeof(buf);
-	while(RegEnumValueW(hKey, i, valname, &cnt, 0,
-		    &type, (BYTE*)buf, &bufLen) == ERROR_SUCCESS){
-	    if (!wcsnicmp(valname, msacmW, ARRAY_SIZE(msacmW)))
-		MSACM_RegisterDriver(valname, buf, 0);
-	    ++i;
-	}
+
+        for (i = 0; ; i++)
+        {
+            cnt = ARRAY_SIZE(valname);
+            bufLen = sizeof(buf);
+            if (RegEnumValueW(hKey, i, valname, &cnt, 0, NULL, (BYTE *)buf, &bufLen))
+                break;
+            if (!wcsnicmp(valname, msacmW, ARRAY_SIZE(msacmW)))
+                MSACM_RegisterDriver(valname, buf, 0);
+        }
     	RegCloseKey( hKey );
     }
 
-- 
2.27.0