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alsa
0005-seqmid-more-descriptions-on-snd_seq_parse_...
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File 0005-seqmid-more-descriptions-on-snd_seq_parse_address-be.patch of Package alsa
From 193724743965d4548d632ebfde15c0c5d3c44e9d Mon Sep 17 00:00:00 2001 From: Henning Thielemann <alsa@henning-thielemann.de> Date: Wed, 14 Mar 2012 18:45:02 +0100 Subject: [PATCH 05/14] seqmid - more descriptions on snd_seq_parse_address() behavior Signed-off-by: Takashi Iwai <tiwai@suse.de> --- src/seq/seqmid.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/src/seq/seqmid.c b/src/seq/seqmid.c index 894c3a2..2ff7e8d 100644 --- a/src/seq/seqmid.c +++ b/src/seq/seqmid.c @@ -378,9 +378,18 @@ int snd_seq_sync_output_queue(snd_seq_t *seq) * \return 0 on success or negative error code * * This function parses the sequencer client and port numbers from the given string. - * The client and port tokes are separated by either colon or period, e.g. 128:1. + * The client and port tokens are separated by either colon or period, e.g. 128:1. * When \a seq is not NULL, the function accepts also a client name not only * digit numbers. + * Actually \a arg need to be only a prefix of the wanted client. + * That is, if a client named "Foobar XXL Master 2012" with number 128 is available, + * then parsing "Foobar" will return the address 128:0. + * However parsing is biased towards small client numbers, + * thus if also a client named "Foobar" with number 129 exists, + * then parsing will still yield address 128:0 and not 129:0. + * If you want be able to access all clients by prefixes + * then you must write your own parser that checks for matching client names + * in the order of increasing name lengths. */ int snd_seq_parse_address(snd_seq_t *seq, snd_seq_addr_t *addr, const char *arg) { -- 1.7.9.2
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