netapi32: Avoid sizeof on structs with a varlength array.
Michael Stefaniuc
mstefani at redhat.de
Tue Dec 11 06:37:41 CST 2012
---
dlls/netapi32/nbt.c | 14 ++++++--------
1 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/dlls/netapi32/nbt.c b/dlls/netapi32/nbt.c
index 3cd8a61..1bbcaf0 100644
--- a/dlls/netapi32/nbt.c
+++ b/dlls/netapi32/nbt.c
@@ -407,9 +407,8 @@ static BOOL NetBTFindNameAnswerCallback(void *pVoid, WORD answerCount,
{
if (queryData->cacheEntry == NULL)
{
- queryData->cacheEntry = HeapAlloc(
- GetProcessHeap(), 0, sizeof(NBNameCacheEntry) +
- (answerCount - 1) * sizeof(DWORD));
+ queryData->cacheEntry = HeapAlloc(GetProcessHeap(), 0,
+ FIELD_OFFSET(NBNameCacheEntry, addresses[answerCount]));
if (queryData->cacheEntry)
queryData->cacheEntry->numAddresses = 0;
else
@@ -541,8 +540,8 @@ static UCHAR NetBTinetResolve(const UCHAR name[NCBNAMSZ],
if (addr != INADDR_NONE)
{
- *cacheEntry = HeapAlloc(GetProcessHeap(),
- 0, sizeof(NBNameCacheEntry));
+ *cacheEntry = HeapAlloc(GetProcessHeap(), 0,
+ FIELD_OFFSET(NBNameCacheEntry, addresses[1]));
if (*cacheEntry)
{
memcpy((*cacheEntry)->name, name, NCBNAMSZ);
@@ -566,9 +565,8 @@ static UCHAR NetBTinetResolve(const UCHAR name[NCBNAMSZ],
;
if (host->h_addr_list && host->h_addr_list[0])
{
- *cacheEntry = HeapAlloc(
- GetProcessHeap(), 0, sizeof(NBNameCacheEntry) +
- (i - 1) * sizeof(DWORD));
+ *cacheEntry = HeapAlloc(GetProcessHeap(), 0,
+ FIELD_OFFSET(NBNameCacheEntry, addresses[i]));
if (*cacheEntry)
{
memcpy((*cacheEntry)->name, name, NCBNAMSZ);
--
1.7.7.6
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