wazuh/src/shared/buffer_op.c at fuzzing · postech-compsec/wazuh · GitHub

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* November, 2020.

* This program is free software; you can redistribute it

* and/or modify it under the terms of the GNU General Public

* License (version 2) as published by the FSF - Free Software

* Foundation.

#include "../headers/shared.h"

buffer_t *buffer_initialize(const size_t size){

buffer_t * buffer;

os_calloc(1,sizeof(buffer_t),buffer);

os_calloc(size,sizeof(char),buffer->data);

buffer->size = size;

buffer->used = 0;

buffer->status = TRUE;

return buffer;

}

void buffer_push(buffer_t * const buffer, const char* const src, const size_t src_size) {

if (NULL != buffer) {

if (NULL != src) {

if((buffer->size - buffer->used) > src_size && NULL != buffer->data) {

memcpy(buffer->data + buffer->used, src, src_size);

buffer->used += src_size;

} else {

buffer->status = FALSE;

}

} else {

buffer->status = FALSE;

}

void buffer_free(buffer_t *buffer) {

if (NULL != buffer) {

if (buffer->data) {

os_free(buffer->data);

}

os_free(buffer);

}

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