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Diffstat (limited to 'include/llvm/Support/MemAlloc.h')
-rw-r--r-- | include/llvm/Support/MemAlloc.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/llvm/Support/MemAlloc.h b/include/llvm/Support/MemAlloc.h new file mode 100644 index 000000000000..d06c659cfba6 --- /dev/null +++ b/include/llvm/Support/MemAlloc.h @@ -0,0 +1,49 @@ +//===- MemAlloc.h - Memory allocation functions -----------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +/// \file +/// +/// This file defines counterparts of C library allocation functions defined in +/// the namespace 'std'. The new allocation functions crash on allocation +/// failure instead of returning null pointer. +/// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_SUPPORT_MEMALLOC_H +#define LLVM_SUPPORT_MEMALLOC_H + +#include "llvm/Support/Compiler.h" +#include "llvm/Support/ErrorHandling.h" +#include <cstdlib> + +namespace llvm { + +LLVM_ATTRIBUTE_RETURNS_NONNULL inline void *safe_malloc(size_t Sz) { + void *Result = std::malloc(Sz); + if (Result == nullptr) + report_bad_alloc_error("Allocation failed"); + return Result; +} + +LLVM_ATTRIBUTE_RETURNS_NONNULL inline void *safe_calloc(size_t Count, + size_t Sz) { + void *Result = std::calloc(Count, Sz); + if (Result == nullptr) + report_bad_alloc_error("Allocation failed"); + return Result; +} + +LLVM_ATTRIBUTE_RETURNS_NONNULL inline void *safe_realloc(void *Ptr, size_t Sz) { + void *Result = std::realloc(Ptr, Sz); + if (Result == nullptr) + report_bad_alloc_error("Allocation failed"); + return Result; +} + +} +#endif |