Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
uint64_t ffio_read_varlen(AVIOContext *bc);
+/**
+ * Read size bytes from AVIOContext into buf.
+ * Check that exactly size bytes have been read.
+ * @return number of bytes read or AVERROR
+ */
+int ffio_read_size(AVIOContext *s, unsigned char *buf, int size);
+
/** @warning must be called before any I/O */
int ffio_set_buf_size(AVIOContext *s, int buf_size);
return size1 - size;
}
+int ffio_read_size(AVIOContext *s, unsigned char *buf, int size)
+{
+ int ret = avio_read(s, buf, size);
+ if (ret != size)
+ return AVERROR_INVALIDDATA;
+ return ret;
+}
+
int ffio_read_indirect(AVIOContext *s, unsigned char *buf, int size, const unsigned char **data)
{
if (s->buf_end - s->buf_ptr >= size && !s->write_flag) {