1 //
2 //
3 // Copyright 2015 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 #include <grpc/support/port_platform.h>
20
21 #include <stdlib.h>
22 #include <string.h>
23
24 #include <grpc/support/alloc.h>
25 #include <grpc/support/log.h>
26
27 #include "src/core/lib/gprpp/crash.h"
28
gpr_malloc(size_t size)29 void* gpr_malloc(size_t size) {
30 void* p;
31 if (size == 0) return nullptr;
32 p = malloc(size);
33 if (!p) {
34 abort();
35 }
36 return p;
37 }
38
gpr_zalloc(size_t size)39 void* gpr_zalloc(size_t size) {
40 void* p;
41 if (size == 0) return nullptr;
42 p = calloc(size, 1);
43 if (!p) {
44 abort();
45 }
46 return p;
47 }
48
gpr_free(void * p)49 void gpr_free(void* p) { free(p); }
50
gpr_realloc(void * p,size_t size)51 void* gpr_realloc(void* p, size_t size) {
52 if ((size == 0) && (p == nullptr)) return nullptr;
53 p = realloc(p, size);
54 if (!p) {
55 abort();
56 }
57 return p;
58 }
59
gpr_malloc_aligned(size_t size,size_t alignment)60 void* gpr_malloc_aligned(size_t size, size_t alignment) {
61 GPR_ASSERT(((alignment - 1) & alignment) == 0); // Must be power of 2.
62 size_t extra = alignment - 1 + sizeof(void*);
63 void* p = gpr_malloc(size + extra);
64 void** ret = reinterpret_cast<void**>(
65 (reinterpret_cast<uintptr_t>(p) + extra) & ~(alignment - 1));
66 ret[-1] = p;
67 return ret;
68 }
69
gpr_free_aligned(void * ptr)70 void gpr_free_aligned(void* ptr) { gpr_free((static_cast<void**>(ptr))[-1]); }
71