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Diffstat (limited to 'include/libtf/defines.h')
-rw-r--r-- | include/libtf/defines.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/include/libtf/defines.h b/include/libtf/defines.h new file mode 100644 index 0000000..7e35ff7 --- /dev/null +++ b/include/libtf/defines.h @@ -0,0 +1,67 @@ +/* tf.h - libtf helper defines + * + * Copyright (C) 2009 Timo Teräs <timo.teras@iki.fi> + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 or later as + * published by the Free Software Foundation. + * + * See http://www.gnu.org/ for details. + */ + +#ifndef TF_DEFINES_H +#define TF_DEFINES_H + +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> + +#ifndef NULL +#define NULL 0L +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef array_size +#define array_size(array) (sizeof(array) / sizeof((array)[0])) +#endif + +#ifndef offsetof +#define offsetof(type, member) __builtin_offsetof (type, member) +#endif + +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) +#endif + +#ifndef likely +#define likely(x) __builtin_expect(!!(x), 1) +#endif + +#ifndef unlikely +#define unlikely(x) __builtin_expect(!!(x), 0) +#endif + +#define attribute_never_inline __attribute__((noinline)) +#define attribute_weak_function __attribute__((weak)) + +#define TF_BUG_ON(cond) if (cond) { \ + fprintf(stderr, "BUG: failure at %s:%d/%s(): %s!\n", \ + __FILE__, __LINE__, __func__, #cond); \ + abort(); \ +} + +#define TF_ALIGN(size,align) ((((size_t)(size)) + (align)-1) & ~((align)-1)) + +#define TF_EMPTY_ARRAY 0 + +#endif |