[PATCH v4 4/7] kernel32: Implement registry mapping in GetPrivateProfileSectionNames().

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
 dlls/kernel32/profile.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/dlls/kernel32/profile.c b/dlls/kernel32/profile.c
index b2360d8e65c..0fb4b96aedf 100644
--- a/dlls/kernel32/profile.c
+++ b/dlls/kernel32/profile.c
@@ -1806,11 +1806,26 @@ DWORD WINAPI GetPrivateProfileSectionNamesW( LPWSTR buffer, DWORD size,
    				     LPCWSTR filename)
 {
     DWORD ret = 0;
+    HKEY key;
+
+    if ((key = open_file_mapping_key( filename )))
+    {
+        WCHAR *section;
+        DWORD i;
+
+        for (i = 0; (section = enum_key( key, i )); ++i)
+        {
+            lstrcpynW( buffer + ret, section, size - ret - 1 );
+            ret = min( ret + strlenW( section ) + 1, size - 1 );
+        }
+
+        RegCloseKey( key );
+    }

RtlEnterCriticalSection( &PROFILE_CritSect );

if (PROFILE_Open( filename, FALSE ))
-        ret = PROFILE_GetSectionNames(buffer, size);
+        ret += PROFILE_GetSectionNames( buffer + ret, size - ret );

RtlLeaveCriticalSection( &PROFILE_CritSect );