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Avoid overflow

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This commit is contained in:
Abramo Bagnara 2000-05-16 18:04:44 +00:00
parent 386e8a645c
commit 937414d534
1 changed files with 3 additions and 3 deletions
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6
src/pcm/pcm_plug.c
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@ -469,14 +469,14 @@ static int snd_pcm_plug_channel_setup(snd_pcm_t *pcm, snd_pcm_channel_setup_t *s
return err; return err;
if (snd_pcm_plug_direct(pcm, setup->channel)) if (snd_pcm_plug_direct(pcm, setup->channel))
return 0; return 0;
setup->buffer_size = snd_pcm_plug_client_size(pcm, setup->channel, setup->buffer_size);
setup->frag_size = snd_pcm_plug_client_size(pcm, setup->channel, setup->frag_size); setup->frag_size = snd_pcm_plug_client_size(pcm, setup->channel, setup->frag_size);
/* FIXME: it may overflow */ setup->buffer_size = setup->frags * setup->frag_size;
setup->byte_boundary = snd_pcm_plug_client_size(pcm, setup->channel, setup->byte_boundary); setup->byte_boundary = setup->frag_boundary * setup->frag_size;
if (setup->mode == SND_PCM_MODE_STREAM) { if (setup->mode == SND_PCM_MODE_STREAM) {
setup->buf.stream.bytes_min = snd_pcm_plug_client_size(pcm, setup->channel, setup->buf.stream.bytes_min); setup->buf.stream.bytes_min = snd_pcm_plug_client_size(pcm, setup->channel, setup->buf.stream.bytes_min);
setup->buf.stream.bytes_align = snd_pcm_plug_client_size(pcm, setup->channel, setup->buf.stream.bytes_align); setup->buf.stream.bytes_align = snd_pcm_plug_client_size(pcm, setup->channel, setup->buf.stream.bytes_align);
setup->buf.stream.bytes_xrun_max = snd_pcm_plug_client_size(pcm, setup->channel, setup->buf.stream.bytes_xrun_max); setup->buf.stream.bytes_xrun_max = snd_pcm_plug_client_size(pcm, setup->channel, setup->buf.stream.bytes_xrun_max);
setup->buf.stream.bytes_fill_max = snd_pcm_plug_client_size(pcm, setup->channel, setup->buf.stream.bytes_fill_max);
} else if (setup->mode != SND_PCM_MODE_BLOCK) { } else if (setup->mode != SND_PCM_MODE_BLOCK) {
return -EINVAL; return -EINVAL;
} }