Check for an unsigned format
Synopsis:
#include <sys/asoundlib.h>
int snd_pcm_format_unsigned( int format );
Arguments:
- format
- The format number (one of the SND_PCM_SFMT_* constants).
For a list of the supported formats, see
snd_pcm_get_format_name().
Library:
libasound.so
Use the -l asound option with
qcc
to link against this library.
Description:
The snd_pcm_format_unsigned() function checks for an unsigned format.
Returns:
- 1
- The format is unsigned.
- 0
- The format is signed.
Otherwise, it returns a negative error code.
Errors:
- -EINVAL
- Invalid format with respect to sign.
Classification:
QNX Neutrino
| Safety: |
|
|---|
| Cancellation point |
No |
| Interrupt handler |
No |
| Signal handler |
Yes |
| Thread |
Yes |