Andrew Scull | cdfcccc | 2018-10-05 20:58:37 +0100 | [diff] [blame^] | 1 | //===- MemAlloc.h - Memory allocation functions -----------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | /// \file |
| 10 | /// |
| 11 | /// This file defines counterparts of C library allocation functions defined in |
| 12 | /// the namespace 'std'. The new allocation functions crash on allocation |
| 13 | /// failure instead of returning null pointer. |
| 14 | /// |
| 15 | //===----------------------------------------------------------------------===// |
| 16 | |
| 17 | #ifndef LLVM_SUPPORT_MEMALLOC_H |
| 18 | #define LLVM_SUPPORT_MEMALLOC_H |
| 19 | |
| 20 | #include "llvm/Support/Compiler.h" |
| 21 | #include "llvm/Support/ErrorHandling.h" |
| 22 | #include <cstdlib> |
| 23 | |
| 24 | namespace llvm { |
| 25 | |
| 26 | LLVM_ATTRIBUTE_RETURNS_NONNULL inline void *safe_malloc(size_t Sz) { |
| 27 | void *Result = std::malloc(Sz); |
| 28 | if (Result == nullptr) |
| 29 | report_bad_alloc_error("Allocation failed"); |
| 30 | return Result; |
| 31 | } |
| 32 | |
| 33 | LLVM_ATTRIBUTE_RETURNS_NONNULL inline void *safe_calloc(size_t Count, |
| 34 | size_t Sz) { |
| 35 | void *Result = std::calloc(Count, Sz); |
| 36 | if (Result == nullptr) |
| 37 | report_bad_alloc_error("Allocation failed"); |
| 38 | return Result; |
| 39 | } |
| 40 | |
| 41 | LLVM_ATTRIBUTE_RETURNS_NONNULL inline void *safe_realloc(void *Ptr, size_t Sz) { |
| 42 | void *Result = std::realloc(Ptr, Sz); |
| 43 | if (Result == nullptr) |
| 44 | report_bad_alloc_error("Allocation failed"); |
| 45 | return Result; |
| 46 | } |
| 47 | |
| 48 | } |
| 49 | #endif |