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 "include/private/SkMalloc.h"
9
10#include <cstdlib>
11
12#define SK_DEBUGFAILF(fmt, ...) \
13 SkASSERT((SkDebugf(fmt"\n", __VA_ARGS__), false))
14
15static 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
25static 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
33void 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#elif defined(__clang__)
41 __builtin_debugtrap();
42#else
43 abort();
44#endif
45}
46
47void sk_out_of_memory(void) {
48 SkDEBUGFAIL("sk_out_of_memory");
49#if defined(IS_FUZZING_WITH_AFL)
50 exit(1);
51#else
52 abort();
53#endif
54}
55
56void* sk_realloc_throw(void* addr, size_t size) {
57 return throw_on_failure(size, realloc(addr, size));
58}
59
60void sk_free(void* p) {
61 if (p) {
62 free(p);
63 }
64}
65
66void* sk_malloc_flags(size_t size, unsigned flags) {
67 void* p;
68 if (flags & SK_MALLOC_ZERO_INITIALIZE) {
69 p = calloc(size, 1);
70 } else {
71 p = malloc(size);
72 }
73 if (flags & SK_MALLOC_THROW) {
74 return throw_on_failure(size, p);
75 } else {
76 return p;
77 }
78}
79