memory.c

/*
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  This file is part of Etripator,
  copyright (c) 2009--2023 Vincent Cruz.
 
  Etripator is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  Etripator 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 General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with Etripator.  If not, see <http://www.gnu.org/licenses/>.

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*/
#include "memory.h"
#include "message.h"
/* Create memory block. */
int mem_create(mem_t *mem, size_t len) {
    mem->data = (uint8_t*)malloc(len);
    if(!mem->data) {
        ERROR_MSG("Unable to allocate memory : %s.\n", strerror(errno));
        mem->len = 0;
        return 0;
    }
    mem->len = len;
    return 1;
}
/* Destroy memory block. */
void mem_destroy(mem_t *mem) {
    if(mem) {
        mem->len = 0;
        if(mem->data) {
            free(mem->data);
            mem->data = NULL;
        }
    }
}
/* Fill memory block bytes with a given byte value. */
void mem_fill(mem_t *mem, uint8_t c) {
    if(mem->data && mem->len) {
        memset(mem->data, (int)mem->len, c);
    }
}