int len;
if (size < 0)
- return -1;
+ return AVERROR(EINVAL);
if (s->read_packet && s->write_flag) {
len = read_packet_wrapper(s, buf, size);
/* reallocate buffer if needed */
new_size = (unsigned)d->pos + buf_size;
if (new_size < d->pos || new_size > INT_MAX)
- return -1;
+ return AVERROR(ERANGE);
if (new_size > d->allocated_size) {
unsigned new_allocated_size = d->allocated_size ? d->allocated_size
: new_size;
offset += d->pos;
else if (whence == SEEK_END)
offset += d->size;
- if (offset < 0 || offset > 0x7fffffffLL)
- return -1;
+ if (offset < 0)
+ return AVERROR(EINVAL);
+ if (offset > INT_MAX)
+ return AVERROR(ERANGE);
d->pos = offset;
return 0;
}
unsigned io_buffer_size = max_packet_size ? max_packet_size : 1024;
if (sizeof(DynBuffer) + io_buffer_size < io_buffer_size)
- return -1;
+ return AVERROR(ERANGE);
d = av_mallocz(sizeof(DynBuffer) + io_buffer_size);
if (!d)
return AVERROR(ENOMEM);
int ffio_open_dyn_packet_buf(AVIOContext **s, int max_packet_size)
{
if (max_packet_size <= 0)
- return -1;
+ return AVERROR(EINVAL);
return url_open_dyn_buf_internal(s, max_packet_size);
}