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/*
* @file growing_buf.c
* @brief implementation of growing buffer, which is needed by the ASN.1 implementation
* i.e. for encoding to XER
* @license GNU General Public License 3.0 - see LICENSE.txt
*/
#include "pEp_internal.h"
#include "growing_buf.h"
growing_buf_t *new_growing_buf(void)
{
growing_buf_t *result = calloc(1, sizeof(growing_buf_t));
assert(result);
return result;
}
void free_growing_buf(growing_buf_t *buf)
{
if (buf) {
free(buf->data);
free(buf);
}
}
int growing_buf_consume(const void *src, size_t size, growing_buf_t *dst)
{
assert(src && dst);
if (!(src && dst))
return -1;
char *new_data = realloc(dst->data, dst->size + size + 1);
assert(new_data);
if (!new_data)
return -1;
dst->data = new_data;
memcpy(dst->data + dst->size, src, size);
dst->size += size;
dst->data[dst->size] = 0; // safeguard
return 1;
}