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52 lines
1.6 KiB
52 lines
1.6 KiB
/* SPDX-License-Identifier: MIT */
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/*
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* Utility functions for programs
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*
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* Copyright 2018 Google LLC
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*
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* Use of this source code is governed by an MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT.
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*/
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#ifndef PROGRAMS_UTILS_H
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#define PROGRAMS_UTILS_H
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#include "libfsverity.h"
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#include "../common/common_defs.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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void *xmalloc(size_t size);
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void *xzalloc(size_t size);
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void *xmemdup(const void *mem, size_t size);
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char *xstrdup(const char *s);
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__printf(1, 2) __cold void error_msg(const char *format, ...);
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__printf(1, 2) __cold void error_msg_errno(const char *format, ...);
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__printf(1, 2) __cold __noreturn void fatal_error(const char *format, ...);
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__cold __noreturn void assertion_failed(const char *expr,
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const char *file, int line);
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#define ASSERT(e) ({ if (!(e)) assertion_failed(#e, __FILE__, __LINE__); })
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void install_libfsverity_error_handler(void);
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struct filedes {
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int fd;
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char *name; /* filename, for logging or error messages */
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};
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bool open_file(struct filedes *file, const char *filename, int flags, int mode);
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bool get_file_size(struct filedes *file, u64 *size_ret);
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bool full_read(struct filedes *file, void *buf, size_t count);
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bool full_write(struct filedes *file, const void *buf, size_t count);
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bool filedes_close(struct filedes *file);
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int read_callback(void *file, void *buf, size_t count);
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bool hex2bin(const char *hex, u8 *bin, size_t bin_len);
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void bin2hex(const u8 *bin, size_t bin_len, char *hex);
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#endif /* PROGRAMS_UTILS_H */
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