diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2022-09-08 22:48:53 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2022-10-13 00:45:38 +0000 |
| commit | 04a3462235c45c6c9adf6b9af6641601e220e40c (patch) | |
| tree | 9e43aafc19c2bef9b4c935479645c834e1ea9f85 | |
| parent | 16d4c1de7b40f1cc0d323b9ecc5a38afb7a42f8a (diff) | |
| download | src-04a3462235c45c6c9adf6b9af6641601e220e40c.tar.gz src-04a3462235c45c6c9adf6b9af6641601e220e40c.zip | |
bhyve: Address compiler warnings in audio.c
- Avoid arithmetic on void pointers.
- Avoid a signed/unsigned comparison in loops which write or fill audio
data buffers.
Convert while loops to for loops while here.
(cherry picked from commit ee83710bc492c0b2e7d66dd61f45fa657a14d169)
| -rw-r--r-- | usr.sbin/bhyve/audio.c | 28 | ||||
| -rw-r--r-- | usr.sbin/bhyve/audio.h | 4 |
2 files changed, 14 insertions, 18 deletions
diff --git a/usr.sbin/bhyve/audio.c b/usr.sbin/bhyve/audio.c index ee6bdabc541c..165face5862c 100644 --- a/usr.sbin/bhyve/audio.c +++ b/usr.sbin/bhyve/audio.c @@ -221,10 +221,11 @@ audio_set_params(struct audio *aud, struct audio_params *params) * @count - the number of bytes in buffer */ int -audio_playback(struct audio *aud, const void *buf, size_t count) +audio_playback(struct audio *aud, const uint8_t *buf, size_t count) { - int audio_fd = -1; - ssize_t len = 0, total = 0; + ssize_t len; + size_t total; + int audio_fd; assert(aud); assert(aud->dir); @@ -233,16 +234,13 @@ audio_playback(struct audio *aud, const void *buf, size_t count) audio_fd = aud->fd; assert(audio_fd != -1); - total = 0; - while (total < count) { + for (total = 0; total < count; total += len) { len = write(audio_fd, buf + total, count - total); - if (len == -1) { + if (len < 0) { DPRINTF("Fail to write to fd: %d, errno: %d", audio_fd, errno); return -1; } - - total += len; } return 0; @@ -257,10 +255,11 @@ audio_playback(struct audio *aud, const void *buf, size_t count) * Returns -1 on error and 0 on success */ int -audio_record(struct audio *aud, void *buf, size_t count) +audio_record(struct audio *aud, uint8_t *buf, size_t count) { - int audio_fd = -1; - ssize_t len = 0, total = 0; + ssize_t len; + size_t total; + int audio_fd; assert(aud); assert(!aud->dir); @@ -269,16 +268,13 @@ audio_record(struct audio *aud, void *buf, size_t count) audio_fd = aud->fd; assert(audio_fd != -1); - total = 0; - while (total < count) { + for (total = 0; total < count; total += len) { len = read(audio_fd, buf + total, count - total); - if (len == -1) { + if (len < 0) { DPRINTF("Fail to write to fd: %d, errno: %d", audio_fd, errno); return -1; } - - total += len; } return 0; diff --git a/usr.sbin/bhyve/audio.h b/usr.sbin/bhyve/audio.h index 2b559a43e5df..f433fe29af72 100644 --- a/usr.sbin/bhyve/audio.h +++ b/usr.sbin/bhyve/audio.h @@ -73,7 +73,7 @@ int audio_set_params(struct audio *aud, struct audio_params *params); * @count - the number of bytes in buffer * Returns -1 on error and 0 on success */ -int audio_playback(struct audio *aud, const void *buf, size_t count); +int audio_playback(struct audio *aud, const uint8_t *buf, size_t count); /* * audio_record - records samples from the sound device using blocking @@ -83,6 +83,6 @@ int audio_playback(struct audio *aud, const void *buf, size_t count); * @count - the number of bytes to capture in buffer * Returns -1 on error and 0 on success */ -int audio_record(struct audio *aud, void *buf, size_t count); +int audio_record(struct audio *aud, uint8_t *buf, size_t count); #endif /* _AUDIO_EMUL_H_ */ |