1 /* 2 * Copyright 2011 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkMalloc.h" 9 10 #include <cstdlib> 11 12 #define SK_DEBUGFAILF(fmt, ...) \ 13 SkASSERT((SkDebugf(fmt"\n", __VA_ARGS__), false)) 14 15 static inline void sk_out_of_memory(size_t size) { 16 SK_DEBUGFAILF("sk_out_of_memory (asked for " SK_SIZE_T_SPECIFIER " bytes)", 17 size); 18 #if defined(IS_FUZZING_WITH_AFL) 19 exit(1); 20 #else 21 abort(); 22 #endif 23 } 24 25 static inline void* throw_on_failure(size_t size, void* p) { 26 if (size > 0 && p == nullptr) { 27 // If we've got a nullptr here, the only reason we should have failed is running out of RAM. 28 sk_out_of_memory(size); 29 } 30 return p; 31 } 32 33 void sk_abort_no_print() { 34 #if defined(SK_BUILD_FOR_WIN) && defined(SK_IS_BOT) 35 // do not display a system dialog before aborting the process 36 _set_abort_behavior(0, _WRITE_ABORT_MSG); 37 #endif 38 #if defined(SK_DEBUG) && defined(SK_BUILD_FOR_WIN) 39 __debugbreak(); 40 #else 41 abort(); 42 #endif 43 } 44 45 void sk_out_of_memory(void) { 46 SkDEBUGFAIL("sk_out_of_memory"); 47 #if defined(IS_FUZZING_WITH_AFL) 48 exit(1); 49 #else 50 abort(); 51 #endif 52 } 53 54 void* sk_realloc_throw(void* addr, size_t size) { 55 return throw_on_failure(size, realloc(addr, size)); 56 } 57 58 void sk_free(void* p) { 59 if (p) { 60 free(p); 61 } 62 } 63 64 void* sk_malloc_flags(size_t size, unsigned flags) { 65 void* p; 66 if (flags & SK_MALLOC_ZERO_INITIALIZE) { 67 p = calloc(size, 1); 68 } else { 69 p = malloc(size); 70 } 71 if (flags & SK_MALLOC_THROW) { 72 return throw_on_failure(size, p); 73 } else { 74 return p; 75 } 76 } 77
