6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-10 02:36:06 +00:00
Code Issues Projects Releases Wiki Activity

Avoid zero length memset error

Browse Source 
Adding a check on buffer lenght to avoid a __warn_memset_zero_len
warning on GCC 4.8.2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216624 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Renato Golin 2014-08-27 21:58:56 +00:00
parent a160df5b42
commit 96c845a36c
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/llvm/Support/Allocator.h
View File

@ -318,8 +318,10 @@ private:
#ifndef NDEBUG #ifndef NDEBUG
// Poison the memory so stale pointers crash sooner. Note we must // Poison the memory so stale pointers crash sooner. Note we must
// preserve the Size and NextPtr fields at the beginning. // preserve the Size and NextPtr fields at the beginning.
sys::Memory::setRangeWritable(*I, AllocatedSlabSize); if (AllocatedSlabSize != 0) {
memset(*I, 0xCD, AllocatedSlabSize); sys::Memory::setRangeWritable(*I, AllocatedSlabSize);
memset(*I, 0xCD, AllocatedSlabSize);
}
#endif #endif
Allocator.Deallocate(*I, AllocatedSlabSize); Allocator.Deallocate(*I, AllocatedSlabSize);
} }