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authorVolker Hilsheimer <volker.hilsheimer@qt.io>2020-11-07 17:06:18 +0100
committerVolker Hilsheimer <volker.hilsheimer@qt.io>2020-11-08 03:11:55 +0100
commitc5a51926d618470a90430eb4b2988fc437434797 (patch)
tree677f206978b192a3eb07dfef52af25fdc8c3e4e8 /src/corelib/tools/qarraydata.cpp
parent0b0118ef28f4482a87cf9901667e6934ab49670c (diff)
Revert "Refine {QString, QBA}::reallocData() logic"
This reverts commit 504972f838761f79a170c22225add496e7e5af6a. Introduced realloc failures in qdoc. Task-number: QTBUG-88258 Change-Id: I953e8d3933085022c75068af357ec9a44ab7e984 Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/corelib/tools/qarraydata.cpp')
-rw-r--r--src/corelib/tools/qarraydata.cpp9
1 files changed, 3 insertions, 6 deletions
diff --git a/src/corelib/tools/qarraydata.cpp b/src/corelib/tools/qarraydata.cpp
index e73dc358106..2bf3e9bacc2 100644
--- a/src/corelib/tools/qarraydata.cpp
+++ b/src/corelib/tools/qarraydata.cpp
@@ -233,13 +233,10 @@ QArrayData::reallocateUnaligned(QArrayData *data, void *dataPointer,
{
Q_ASSERT(!data || !data->isShared());
- const qsizetype headerSize = sizeof(QArrayData);
+ qsizetype headerSize = sizeof(QArrayData);
qsizetype allocSize = calculateBlockSize(capacity, objectSize, headerSize, option);
- const qptrdiff offset = dataPointer
- ? reinterpret_cast<char *>(dataPointer) - reinterpret_cast<char *>(data)
- : headerSize;
+ qptrdiff offset = dataPointer ? reinterpret_cast<char *>(dataPointer) - reinterpret_cast<char *>(data) : headerSize;
Q_ASSERT(offset > 0);
- Q_ASSERT(offset <= allocSize); // == when all free space is at the beginning
allocSize = reserveExtraBytes(allocSize);
if (Q_UNLIKELY(allocSize < 0)) // handle overflow. cannot reallocate reliably
@@ -247,7 +244,7 @@ QArrayData::reallocateUnaligned(QArrayData *data, void *dataPointer,
QArrayData *header = static_cast<QArrayData *>(::realloc(data, size_t(allocSize)));
if (header) {
- header->alloc = capacity;
+ header->alloc = uint(capacity);
dataPointer = reinterpret_cast<char *>(header) + offset;
} else {
dataPointer = nullptr;