| Linus Walleij | 6d591c4 | 2015-10-21 15:45:54 +0200 | [diff] [blame] | 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 | |
| Linus Walleij | 521a2ad | 2016-02-12 22:25:22 +0100 | [diff] [blame] | 19 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) |
| 20 | |
| Linus Walleij | 6d591c4 | 2015-10-21 15:45:54 +0200 | [diff] [blame] | 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_ */ |