simplify JsonWriter::reallocBuffer by using realloc

instead of malloc and copy.

spotted by mmeeks

Change-Id: Ibac83be597cfaf61f783a265562c5102bbaf29d8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/122995
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 1 insertions, 4 deletions

diff --git a/tools/source/misc/json_writer.cxx b/tools/source/misc/json_writer.cxx
index b6482329ea55..f002ddc391aa 100644
--- a/tools/source/misc/json_writer.cxx
+++ b/tools/source/misc/json_writer.cxx
@@ -413,10 +413,7 @@ void JsonWriter::reallocBuffer(int noMoreBytesRequired)
 {
     int currentUsed = mPos - mpBuffer;
     auto newSize = std::max<int>(mSpaceAllocated * 2, (currentUsed + noMoreBytesRequired) * 2);
-    char* pNew = static_cast<char*>(malloc(newSize));
-    memcpy(pNew, mpBuffer, currentUsed);
-    free(mpBuffer);
-    mpBuffer = pNew;
+    mpBuffer = static_cast<char*>(realloc(mpBuffer, newSize));
     mPos = mpBuffer + currentUsed;
     mSpaceAllocated = newSize;
 }