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/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
It is considered beerware. Prost. Skol. Cheers or whatever.
$id$ */
/* System */
#include <stdlib.h>
#include <string.h>
/* Opentracker */
#include "ot_buf.h"
int buf_cat(ot_buf *buf, const void *src, size_t len) {
char *data;
if (!len)
return 0;
if (buf->size + len < buf->size)
return -1;
if (!(data = realloc(buf->data, buf->size + len)))
return -1;
buf->data = data;
memcpy(data + buf->size, src, len);
buf->size += len;
return 0;
}
void buf_truncate(ot_buf *buf, size_t len) {
if (len < buf->size)
buf->size = len;
}
void buf_reset(ot_buf *buf) {
free(buf->data);
buf->data = NULL;
buf->size = 0;
}
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