| /* 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 "sysincludes.h" |
| #include "vboot_api.h" |
| |
| #ifdef VBOOT_DEBUG |
| #define VbAssert(expr) do { if (!(expr)) { \ |
| VbExError("assert fail: %s at %s:%d\n", \ |
| #expr, __FILE__, __LINE__); }} 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_ */ |
