[linux-2.6-block.git] / tools / gpio / gpio-utils.h

/*
 * GPIO tools - utility helpers library for the GPIO tools
 *
 * Copyright (C) 2015 Linus Walleij
 *
 * Portions copied from iio_utils and lssio:
 * Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
 * Copyright (c) 2008 Jonathan Cameron
 * *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */
#ifndef _GPIO_UTILS_H_
#define _GPIO_UTILS_H_

#include <string.h>

#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))

static inline int check_prefix(const char *str, const char *prefix)
{
	return strlen(str) > strlen(prefix) &&
		strncmp(str, prefix, strlen(prefix)) == 0;
}

#endif /* _GPIO_UTILS_H_ */
Commit	Line	Data
6d591c46 LW	1	/*
	2	* GPIO tools - utility helpers library for the GPIO tools
	3	*
	4	* Copyright (C) 2015 Linus Walleij
	5	*
	6	* Portions copied from iio_utils and lssio:
	7	* Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
	8	* Copyright (c) 2008 Jonathan Cameron
	9	* *
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License version 2 as published by
	12	* the Free Software Foundation.
	13	*/
	14	#ifndef _GPIO_UTILS_H_
	15	#define _GPIO_UTILS_H_
	16
	17	#include <string.h>
	18
521a2ad6 LW	19	#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
521a2ad6 LW	20
6d591c46 LW	21	static inline int check_prefix(const char str, const char prefix)
	22	{
	23	return strlen(str) > strlen(prefix) &&
	24	strncmp(str, prefix, strlen(prefix)) == 0;
	25	}
	26
	27	#endif /* _GPIO_UTILS_H_ */