On Tue, 26 May 2015 14:24:38 +0100
Vittorio Giovara <vittorio.giov...@gmail.com> wrote:
> ---
> libavformat/avio_internal.h | 7 +++++++
> libavformat/aviobuf.c | 8 ++++++++
> 2 files changed, 15 insertions(+)
>
> diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h
> index c8630ab..aff5564 100644
> --- a/libavformat/avio_internal.h
> +++ b/libavformat/avio_internal.h
> @@ -85,6 +85,13 @@ int ffio_rewind_with_probe_data(AVIOContext *s, unsigned
> char *buf, int buf_size
>
> 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);
>
> diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
> index 59f807c..d3e3452 100644
> --- a/libavformat/aviobuf.c
> +++ b/libavformat/aviobuf.c
> @@ -496,6 +496,14 @@ int avio_read(AVIOContext *s, unsigned char *buf, int
> 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) {
The name of the function has the wrong color. Wouldn't ffio_read_full()
be a better name?
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