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Initialize structs for ioctls

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Initialize the argument structs before calling ioctls to make
valgrind happy.
This commit is contained in:
Takashi Iwai 2005-02-24 20:57:56 +00:00
parent 6f918dfac4
commit 809e31561a
1 changed files with 4 additions and 0 deletions
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4
src/pcm/pcm_hw.c
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@ -711,6 +711,7 @@ static snd_pcm_sframes_t snd_pcm_hw_writei(snd_pcm_t *pcm, const void *buffer, s
struct sndrv_xferi xferi;
xferi.buf = (char*) buffer;
xferi.frames = size;
xferi.result = 0; /* make valgrind happy */
err = ioctl(fd, SNDRV_PCM_IOCTL_WRITEI_FRAMES, &xferi);
err = err >= 0 ? sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL) : -errno;
#ifdef DEBUG_RW
@ -727,6 +728,7 @@ static snd_pcm_sframes_t snd_pcm_hw_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_
snd_pcm_hw_t *hw = pcm->private_data;
int fd = hw->fd;
struct sndrv_xfern xfern;
memset(&xfern, 0, sizeof(xfern)); /* make valgrind happy */
xfern.bufs = bufs;
xfern.frames = size;
err = ioctl(fd, SNDRV_PCM_IOCTL_WRITEN_FRAMES, &xfern);
@ -747,6 +749,7 @@ static snd_pcm_sframes_t snd_pcm_hw_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_
struct sndrv_xferi xferi;
xferi.buf = buffer;
xferi.frames = size;
xferi.result = 0; /* make valgrind happy */
err = ioctl(fd, SNDRV_PCM_IOCTL_READI_FRAMES, &xferi);
err = err >= 0 ? sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL) : -errno;
#ifdef DEBUG_RW
@ -764,6 +767,7 @@ static snd_pcm_sframes_t snd_pcm_hw_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_u
snd_pcm_hw_t *hw = pcm->private_data;
int fd = hw->fd;
struct sndrv_xfern xfern;
memset(&xfern, 0, sizeof(xfern)); /* make valgrind happy */
xfern.bufs = bufs;
xfern.frames = size;
err = ioctl(fd, SNDRV_PCM_IOCTL_READN_FRAMES, &xfern);