paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-08-13 13:59:07 +02:00
Code Issues Packages Projects Releases Wiki Activity

+ check whether the pointer passed to SysTinyReAllocMem is within the heap area

Browse Source 
(the same check used as in SysTinyFreeMem)

git-svn-id: trunk@28721 -
This commit is contained in:
nickysn 2014-09-28 15:27:44 +00:00
parent 5fc019f31a
commit e9dc9735a0
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
rtl/inc/tinyheap.inc
View File

@ -277,6 +277,9 @@
end end
else else
begin begin
if (TTinyHeapPointerArithmeticType(p) < TTinyHeapPointerArithmeticType(HeapOrg)) or
(TTinyHeapPointerArithmeticType(p) >= TTinyHeapPointerArithmeticType(HeapPtr)) then
HandleError(204);
oldsize := FindSize(p); oldsize := FindSize(p);
OldAllocSize := align(oldsize+sizeof(TTinyHeapMemBlockSize), TinyHeapAllocGranularity); OldAllocSize := align(oldsize+sizeof(TTinyHeapMemBlockSize), TinyHeapAllocGranularity);
NewAllocSize := align(size+sizeof(TTinyHeapMemBlockSize), TinyHeapAllocGranularity); NewAllocSize := align(size+sizeof(TTinyHeapMemBlockSize), TinyHeapAllocGranularity);