diff options
| author | _ov4 <ov4@ov4.org> | 2026-10-22 15:06:13 +0000 |
|---|---|---|
| committer | _ov4 <ov4@ov4.org> | 2026-10-22 15:21:11 +0000 |
| commit | fa83b7df5a0711bf5f4a5162cc33b0a4123a53c7 (patch) | |
| tree | dcfd24756256fcef21c43f19aa6e914455435806 /lib/CodeGen/ArrayParameters.cc | |
| parent | 353c38e23108856daa2c5d0e86443ac5136dcaa7 (diff) | |
fix(arrays): reject inverted bounds and check array allocation
Constant inverted bounds are a compile error and other bounds are checked
at run time. Allocation sizes use overflow-checked arithmetic, and a NULL
malloc (including the BYVAL copy) reports that the array is too large.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Diffstat (limited to 'lib/CodeGen/ArrayParameters.cc')
| -rw-r--r-- | lib/CodeGen/ArrayParameters.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/ArrayParameters.cc b/lib/CodeGen/ArrayParameters.cc index 57cf6dd..57dc523 100644 --- a/lib/CodeGen/ArrayParameters.cc +++ b/lib/CodeGen/ArrayParameters.cc @@ -32,6 +32,7 @@ void ArrayHandler::bindArrayParameter(const std::string &Name, Value *TotalBytes = Builder->CreateMul(TotalElements, Meta.ElementSizeC, Name + "_copy_bytes"); Value *Copy = Builder->CreateCall(MallocFunc, TotalBytes, Name + "_copy"); + emitAllocCheck(Copy, Name, CG.DiagnosticLine); FunctionType *MemcpyType = FunctionType::get( PointerType::getUnqual(*TheContext), {PointerType::getUnqual(*TheContext), PointerType::getUnqual(*TheContext), |