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 to 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