If we use 'alsaucm -n -b -' with 'get "CapturePCM/Internal Mic"' then the alsaucm will report error and stop immediately. The reason is that the parse_line in usecase.c appends an empty argument if a command ends with quotes.

This change adds a patch to fix the parse_line function in usecase.c.

Signed-off-by: Cheng Yueh cyueh@chromium.org --- alsaucm/usecase.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/alsaucm/usecase.c b/alsaucm/usecase.c index 1ed91ea..d39a159 100644 --- a/alsaucm/usecase.c +++ b/alsaucm/usecase.c @@ -130,6 +130,8 @@ static int parse_line(struct context *context, char *line) *line == '\n')) line++; c = *line; + if (c == '\0') + return 0; if (c == '"' || c == ''') { start = ++line; while (*line && *line != c)