| /* |
| * Copyright (C) 2019 Harald Welte |
| * File : smpp34_heap.c |
| * Author: Harald Welte <laforge@gnumonks.org> |
| * |
| * This file is part of libsmpp34 (c-open-smpp3.4 library). |
| * |
| * The libsmpp34 library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License as |
| * published by the Free Software Foundation; either version 2.1 of the |
| * License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| * License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public License |
| * along with this library; if not, write to the Free Software Foundation, |
| * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdbool.h> |
| |
| #include "smpp34_heap.h" |
| |
| static void *smpp34_libc_malloc(size_t sz) |
| { |
| return malloc(sz); |
| } |
| |
| static void *smpp34_libc_realloc(void *ptr, size_t sz) |
| { |
| return realloc(ptr, sz); |
| } |
| |
| static void smpp34_libc_free(void *ptr) |
| { |
| return free(ptr); |
| } |
| |
| static bool allocator_used = false; |
| |
| static struct smpp34_memory_functions smpp34_allocator = { |
| .malloc_fun = smpp34_libc_malloc, |
| .realloc_fun = smpp34_libc_realloc, |
| .free_fun = smpp34_libc_free, |
| }; |
| |
| void smpp34_set_memory_functions(const struct smpp34_memory_functions *mf) |
| { |
| if (allocator_used) { |
| fprintf(stderr, "%s must be called before first use of smpp34_malloc\n", __func__); |
| return; |
| } |
| smpp34_allocator = *mf; |
| } |
| |
| void *smpp34_malloc(size_t sz) |
| { |
| allocator_used = true; |
| return smpp34_allocator.malloc_fun(sz); |
| } |
| |
| void *smpp34_realloc(void *ptr, size_t sz) |
| { |
| allocator_used = true; |
| return smpp34_allocator.realloc_fun(ptr, sz); |
| } |
| |
| void smpp34_free(void *ptr) |
| { |
| smpp34_allocator.free_fun(ptr); |
| } |