| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, |
| * modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #if !defined(AVB_INSIDE_LIBAVB_H) && !defined(AVB_COMPILATION) |
| #error "Never include this file directly, include libavb.h instead." |
| #endif |
| |
| #ifndef AVB_SYSDEPS_H_ |
| #define AVB_SYSDEPS_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Change these includes to match your platform to bring in the |
| * equivalent types available in a normal C runtime. At least things |
| * like uint8_t, uint64_t, and bool (with |false|, |true| keywords) |
| * must be present. |
| */ |
| #include <inttypes.h> |
| #include <stdbool.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| /* If you don't have gcc or clang, these attribute macros may need to |
| * be adjusted. |
| */ |
| #define AVB_ATTR_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) |
| #define AVB_ATTR_PACKED __attribute__((packed)) |
| #define AVB_ATTR_NO_RETURN __attribute__((noreturn)) |
| #define AVB_ATTR_SENTINEL __attribute__((__sentinel__)) |
| |
| /* Size in bytes used for alignment. */ |
| #ifdef __LP64__ |
| #define AVB_ALIGNMENT_SIZE 8 |
| #else |
| #define AVB_ALIGNMENT_SIZE 4 |
| #endif |
| |
| /* Compare |n| bytes in |src1| and |src2|. |
| * |
| * Returns an integer less than, equal to, or greater than zero if the |
| * first |n| bytes of |src1| is found, respectively, to be less than, |
| * to match, or be greater than the first |n| bytes of |src2|. */ |
| int avb_memcmp(const void* src1, |
| const void* src2, |
| size_t n) AVB_ATTR_WARN_UNUSED_RESULT; |
| |
| /* Compare two strings. |
| * |
| * Return an integer less than, equal to, or greater than zero if |s1| |
| * is found, respectively, to be less than, to match, or be greater |
| * than |s2|. |
| */ |
| int avb_strcmp(const char* s1, const char* s2); |
| |
| /* Copy |n| bytes from |src| to |dest|. */ |
| void* avb_memcpy(void* dest, const void* src, size_t n); |
| |
| /* Set |n| bytes starting at |s| to |c|. Returns |dest|. */ |
| void* avb_memset(void* dest, const int c, size_t n); |
| |
| /* Prints out a message. The string passed must be a NUL-terminated |
| * UTF-8 string. |
| */ |
| void avb_print(const char* message); |
| |
| /* Prints out a vector of strings. Each argument must point to a |
| * NUL-terminated UTF-8 string and NULL should be the last argument. |
| */ |
| void avb_printv(const char* message, ...) AVB_ATTR_SENTINEL; |
| |
| /* Aborts the program or reboots the device. */ |
| void avb_abort(void) AVB_ATTR_NO_RETURN; |
| |
| /* Allocates |size| bytes. Returns NULL if no memory is available, |
| * otherwise a pointer to the allocated memory. |
| * |
| * The memory is not initialized. |
| * |
| * The pointer returned is guaranteed to be word-aligned. |
| * |
| * The memory should be freed with avb_free() when you are done with it. |
| */ |
| void* avb_malloc_(size_t size) AVB_ATTR_WARN_UNUSED_RESULT; |
| |
| /* Frees memory previously allocated with avb_malloc(). */ |
| void avb_free(void* ptr); |
| |
| /* Returns the lenght of |str|, excluding the terminating NUL-byte. */ |
| size_t avb_strlen(const char* str) AVB_ATTR_WARN_UNUSED_RESULT; |
| |
| /* Divide the |dividend| by 10 and saves back to the pointer. Return the |
| * remainder. */ |
| uint32_t avb_div_by_10(uint64_t* dividend); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* AVB_SYSDEPS_H_ */ |