[PATCH v4 05/11] dlls/oleaut32: Avoid possible infinite loops and invalid mem access

[Edward O'Callaghan]

From: Edward O'Callaghan

Signed-off-by: Edward O'Callaghan 
---
 dlls/oleaut32/typelib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/oleaut32/typelib.c b/dlls/oleaut32/typelib.c
index 20a8b4b54cd..88e1d06f528 100644
--- a/dlls/oleaut32/typelib.c
+++ b/dlls/oleaut32/typelib.c
@@ -3959,7 +3959,7 @@ static char *SLTG_DoImpls(char *pBlk, ITypeInfoImpl *pTI,
        the last one is the regular 0x16 bytes. */

info = (SLTG_ImplInfo*)pBlk;
-    while(1){
+    while(info) {
         pTI->typeattr.cImplTypes++;
         if(info->next == 0xffff)
             break;
@@ -3969,7 +3969,7 @@ static char *SLTG_DoImpls(char *pBlk, ITypeInfoImpl *pTI,
     info = (SLTG_ImplInfo*)pBlk;
     pTI->impltypes = TLBImplType_Alloc(pTI->typeattr.cImplTypes);
     pImplType = pTI->impltypes;
-    while(1) {
+    while(pImplType) {
    sltg_get_typelib_ref(ref_lookup, info->ref, &pImplType->hRef);
    pImplType->implflags = info->impltypeflags;
    ++pImplType;