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/* Copyright (c) 2013 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.
*
* Helper functions/wrappers for memory allocations, manipulation and
* comparison.
*/
#ifndef VBOOT_REFERENCE_UTILITY_H_
#define VBOOT_REFERENCE_UTILITY_H_
#include "2common.h"
#include "2sysincludes.h"
#include "vboot_api.h"
#ifdef VBOOT_DEBUG
#define VbAssert(expr) do { if (!(expr)) { \
VB2_DEBUG("assert fail: %s at %s:%d\n", \
#expr, __FILE__, __LINE__); \
exit(1); }} while(0)
#else
#define VbAssert(expr)
#endif
/*
* Buffer size required to hold the longest possible output of Uint64ToString()
* - that is, Uint64ToString(~0, 2).
*/
#define UINT64_TO_STRING_MAX 65
/**
* Convert a value to a string in the specified radix (2=binary, 10=decimal,
* 16=hex) and store it in <buf>, which is <bufsize> chars long. If
* <zero_pad_width>, left-pads the string to at least that width with '0'.
* Returns the length of the stored string, not counting the terminating null.
*/
uint32_t Uint64ToString(char *buf, uint32_t bufsize, uint64_t value,
uint32_t radix, uint32_t zero_pad_width);
/**
* Concatenate <src> onto <dest>, which has space for <destlen> characters
* including the terminating null. Note that <dest> will always be
* null-terminated if <destlen> > 0. Returns the number of characters used in
* <dest>, not counting the terminating null.
*/
uint32_t StrnAppend(char *dest, const char *src, uint32_t destlen);
#endif /* VBOOT_REFERENCE_UTILITY_H_ */
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