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 #ifndef GRPC_SUPPORT_ALLOC_H 20 #define GRPC_SUPPORT_ALLOC_H 21 22 #include <grpc/support/port_platform.h> 23 #include <stddef.h> 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 /** malloc. 30 * If size==0, always returns NULL. Otherwise this function never returns NULL. 31 * The pointer returned is suitably aligned for any kind of variable it could 32 * contain. 33 */ 34 GPRAPI void* gpr_malloc(size_t size); 35 /** like malloc, but zero all bytes before returning them */ 36 GPRAPI void* gpr_zalloc(size_t size); 37 /** free */ 38 GPRAPI void gpr_free(void* ptr); 39 /** realloc, never returns NULL */ 40 GPRAPI void* gpr_realloc(void* p, size_t size); 41 /** aligned malloc, never returns NULL, will align to alignment, which 42 * must be a power of 2. */ 43 GPRAPI void* gpr_malloc_aligned(size_t size, size_t alignment); 44 /** free memory allocated by gpr_malloc_aligned */ 45 GPRAPI void gpr_free_aligned(void* ptr); 46 47 #ifdef __cplusplus 48 } 49 #endif 50 51 #endif /* GRPC_SUPPORT_ALLOC_H */ 52