snd_pcm_format_unsigned()
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 |
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