confeval.c File Reference

Configuration helper functions. More...

Functions
int	snd_config_evaluate_string (snd_config_t **dst, const char *s, snd_config_expand_fcn_t fcn, void *private_data)
	Evaluate an math expression in the string.

Detailed Description

Configuration helper functions.

Author

Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz

Date

2021

Configuration string evaluation.

See the simple math expressions page for more details.

Function Documentation

snd_config_evaluate_string()

int snd_config_evaluate_string	(	snd_config_t **	dst,
		const char *	s,
		snd_config_expand_fcn_t	fcn,
		void *	private_data )

Evaluate an math expression in the string.

Parameters

[out]	dst	The function puts the handle to the new configuration node at the address specified by dst.
[in]	s	A string to evaluate
[in]	fcn	A function to get the variable contents
[in]	private_data	A private value for the variable contents function

Returns

0 if successful, otherwise a negative error code.