input/alsa: use StringAfterPrefix()
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@ -159,11 +159,10 @@ inline InputStream *
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AlsaInputStream::Create(const char *uri, Mutex &mutex, Cond &cond,
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Error &error)
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{
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const char *const scheme = "alsa://";
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if (!StringStartsWith(uri, scheme))
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const char *device = StringAfterPrefix(uri, "alsa://");
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if (device == nullptr)
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return nullptr;
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const char *device = uri + strlen(scheme);
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if (*device == 0)
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device = default_device;
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