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/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Various utility functions and macros */
#ifndef __UTIL_H
#define __UTIL_H
#include <stdint.h>
#include "config.h"
/**
* Trigger a compilation failure if the condition
* is not verified at build time.
*/
#define BUILD_ASSERT(cond) ((void)sizeof(char[1 - 2*!(cond)]))
/**
* Trigger a debug exception if the condition
* is not verified at runtime.
*/
#ifdef CONFIG_DEBUG
#define ASSERT(cond) do { \
if (!(cond)) \
__asm("bkpt"); \
} while (0);
#else
#define ASSERT(cond)
#endif
/* Standard macros / definitions */
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define NULL ((void *)0)
/* Standard library functions */
int atoi(const char *nptr);
int isdigit(int c);
int isspace(int c);
void *memcpy(void *dest, const void *src, int len);
void *memset(void *dest, int c, int len);
int strcasecmp(const char *s1, const char *s2);
int strlen(const char *s);
int strtoi(const char *nptr, char **endptr, int base);
char *strzcpy(char *dest, const char *src, int len);
int tolower(int c);
#endif /* __UTIL_H */
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