95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/* util.h
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* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Logging and other utility functions.
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*/
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#ifndef _UTIL_H_
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#define _UTIL_H_
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#include <stdlib.h>
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#include <sys/types.h>
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#include <syslog.h>
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#include <unistd.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* clang-format off */
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#define die(_msg, ...) do { \
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syslog(LOG_ERR, "libminijail[%d]: " _msg, getpid(), ## __VA_ARGS__); \
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abort(); \
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} while (0)
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#define pdie(_msg, ...) \
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die(_msg ": %m", ## __VA_ARGS__)
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#define warn(_msg, ...) \
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syslog(LOG_WARNING, "libminijail[%d]: " _msg, getpid(), ## __VA_ARGS__)
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#define pwarn(_msg, ...) \
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warn(_msg ": %m", ## __VA_ARGS__)
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#define info(_msg, ...) \
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syslog(LOG_INFO, "libminijail[%d]: " _msg, getpid(), ## __VA_ARGS__)
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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/* clang-format on */
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extern const char *log_syscalls[];
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extern const size_t log_syscalls_len;
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static inline int is_android()
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{
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#if defined(__ANDROID__)
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return 1;
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#else
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return 0;
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#endif
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}
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void __asan_init(void) __attribute__((weak));
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static inline int running_with_asan()
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{
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return &__asan_init != 0;
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}
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int lookup_syscall(const char *name);
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const char *lookup_syscall_name(int nr);
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long int parse_constant(char *constant_str, char **endptr);
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int parse_size(size_t *size, const char *sizespec);
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char *strip(char *s);
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char *tokenize(char **stringp, const char *delim);
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char *path_join(const char *external_path, const char *internal_path);
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/*
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* consumebytes: consumes @length bytes from a buffer @buf of length @buflength
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* @length Number of bytes to consume
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* @buf Buffer to consume from
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* @buflength Size of @buf
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*
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* Returns a pointer to the base of the bytes, or NULL for errors.
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*/
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void *consumebytes(size_t length, char **buf, size_t *buflength);
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/*
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* consumestr: consumes a C string from a buffer @buf of length @length
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* @buf Buffer to consume
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* @length Length of buffer
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*
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* Returns a pointer to the base of the string, or NULL for errors.
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*/
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char *consumestr(char **buf, size_t *buflength);
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#ifdef __cplusplus
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}; /* extern "C" */
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#endif
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#endif /* _UTIL_H_ */
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