scsi: do not overwrite memory on REQUEST SENSE commands with a large buffer

[qemu.git] / audio / wavaudio.c

diff --git a/audio/wavaudio.c b/audio/wavaudio.c
index 51ed6eb5dcfb4ab9b0bfa2df945e8488da07f382..294f35704f3416fe1cebfd61d1d4bddd28dfb3f9 100644 (file)
--- a/audio/wavaudio.c
+++ b/audio/wavaudio.c
@@ -40,24 +40,22 @@ static struct {
     struct audsettings settings;
     const char *wav_path;
 } conf = {
-    {
-        44100,
-        2,
-        AUD_FMT_S16,
-        0
-    },
-    "qemu.wav"
+    .settings.freq      = 44100,
+    .settings.nchannels = 2,
+    .settings.fmt       = AUD_FMT_S16,
+    .wav_path           = "qemu.wav"
 };
 
-static int wav_run_out (HWVoiceOut *hw)
+static int wav_run_out (HWVoiceOut *hw, int live)
 {
     WAVVoiceOut *wav = (WAVVoiceOut *) hw;
-    int rpos, live, decr, samples;
+    int rpos, decr, samples;
     uint8_t *dst;
     struct st_sample *src;
-    int64_t now = qemu_get_clock (vm_clock);
+    int64_t now = qemu_get_clock_ns (vm_clock);
     int64_t ticks = now - wav->old_ticks;
-    int64_t bytes = (ticks * hw->info.bytes_per_second) / ticks_per_sec;
+    int64_t bytes =
+        muldiv64 (ticks, hw->info.bytes_per_second, get_ticks_per_sec ());
 
     if (bytes > INT_MAX) {
         samples = INT_MAX >> hw->info.shift;
@@ -66,11 +64,6 @@ static int wav_run_out (HWVoiceOut *hw)
         samples = bytes >> hw->info.shift;
     }
 
-    live = audio_pcm_hw_get_live_out (hw);
-    if (!live) {
-        return 0;
-    }
-
     wav->old_ticks = now;
     decr = audio_MIN (live, samples);
     samples = decr;
@@ -219,37 +212,39 @@ static void wav_audio_fini (void *opaque)
 }
 
 static struct audio_option wav_options[] = {
-    {.name  = "FREQUENCY",
-     .tag   = AUD_OPT_INT,
-     .valp  = &conf.settings.freq,
-     .descr = "Frequency"},
-    {.name  = "FORMAT",
-     .tag   = AUD_OPT_FMT,
-     .valp  = &conf.settings.fmt,
-     .descr = "Format"},
-    {.name  = "DAC_FIXED_CHANNELS",
-     .tag   = AUD_OPT_INT,
-     .valp  = &conf.settings.nchannels,
-     .descr = "Number of channels (1 - mono, 2 - stereo)"},
-    {.name  = "PATH",
-     .tag   = AUD_OPT_STR,
-     .valp  = &conf.wav_path,
-     .descr = "Path to wave file"},
+    {
+        .name  = "FREQUENCY",
+        .tag   = AUD_OPT_INT,
+        .valp  = &conf.settings.freq,
+        .descr = "Frequency"
+    },
+    {
+        .name  = "FORMAT",
+        .tag   = AUD_OPT_FMT,
+        .valp  = &conf.settings.fmt,
+        .descr = "Format"
+    },
+    {
+        .name  = "DAC_FIXED_CHANNELS",
+        .tag   = AUD_OPT_INT,
+        .valp  = &conf.settings.nchannels,
+        .descr = "Number of channels (1 - mono, 2 - stereo)"
+    },
+    {
+        .name  = "PATH",
+        .tag   = AUD_OPT_STR,
+        .valp  = &conf.wav_path,
+        .descr = "Path to wave file"
+    },
     { /* End of list */ }
 };
 
 static struct audio_pcm_ops wav_pcm_ops = {
-    wav_init_out,
-    wav_fini_out,
-    wav_run_out,
-    wav_write_out,
-    wav_ctl_out,
-
-    NULL,
-    NULL,
-    NULL,
-    NULL,
-    NULL
+    .init_out = wav_init_out,
+    .fini_out = wav_fini_out,
+    .run_out  = wav_run_out,
+    .write    = wav_write_out,
+    .ctl_out  = wav_ctl_out,
 };
 
 struct audio_driver wav_audio_driver = {
@@ -258,7 +253,7 @@ struct audio_driver wav_audio_driver = {
     .options        = wav_options,
     .init           = wav_audio_init,
     .fini           = wav_audio_fini,
-    .pcm_ops = &wav_pcm_ops,
+    .pcm_ops        = &wav_pcm_ops,
     .can_be_default = 0,
     .max_voices_out = 1,
     .max_voices_in  = 0,