* Sync up to trunk head (r64995).

[reactos.git] / dll / ntdll / rtl / libsupp.c

diff --git a/dll/ntdll/rtl/libsupp.c b/dll/ntdll/rtl/libsupp.c
index 69d58f3..43276ae 100644 (file)
--- a/dll/ntdll/rtl/libsupp.c
+++ b/dll/ntdll/rtl/libsupp.c
@@ -127,6 +127,15 @@ RtlEnterHeapLock(IN OUT PHEAP_LOCK Lock, IN BOOLEAN Exclusive)
     return RtlEnterCriticalSection(&Lock->CriticalSection);
 }
 
+BOOLEAN
+NTAPI
+RtlTryEnterHeapLock(IN OUT PHEAP_LOCK Lock, IN BOOLEAN Exclusive)
+{
+    UNREFERENCED_PARAMETER(Exclusive);
+
+    return RtlTryEnterCriticalSection(&Lock->CriticalSection);
+}
+
 NTSTATUS
 NTAPI
 RtlInitializeHeapLock(IN OUT PHEAP_LOCK *Lock)
@@ -430,6 +439,7 @@ NTSTATUS find_entry( PVOID BaseAddress, LDR_RESOURCE_INFO *info,
 
     root = RtlImageDirectoryEntryToData( BaseAddress, TRUE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &size );
     if (!root) return STATUS_RESOURCE_DATA_NOT_FOUND;
+    if (size < sizeof(*resdirptr)) return STATUS_RESOURCE_DATA_NOT_FOUND;
     resdirptr = root;
 
     if (!level--) goto done;