| /* |
| * Copyright (c) 2014 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. |
| */ |
| |
| #ifndef UTIL_H |
| #define UTIL_H |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <stdint.h> |
| #include <stdbool.h> |
| #include <syslog.h> |
| #include <time.h> |
| #include <unistd.h> |
| |
| #define MAX(A, B) ((A) > (B) ? (A) : (B)) |
| #define MIN(A, B) ((A) < (B) ? (A) : (B)) |
| |
| #define ARRAY_SIZE(A) (sizeof(A)/sizeof(*(A))) |
| |
| #define MS_PER_SEC (1000LL) |
| #define NS_PER_SEC (1000LL * 1000LL * 1000LL) |
| #define NS_PER_MS (NS_PER_SEC / MS_PER_SEC); |
| |
| /* Returns the current CLOCK_MONOTONIC time in milliseconds. */ |
| static inline int64_t get_monotonic_time_ms() { |
| struct timespec spec; |
| clock_gettime(CLOCK_MONOTONIC, &spec); |
| return MS_PER_SEC * spec.tv_sec + spec.tv_nsec / NS_PER_MS; |
| } |
| |
| #define LOG(severity, fmt, ...) (fprintf(stderr, "<%i>frecon[%d]: " fmt "\n", \ |
| severity, getpid(), ##__VA_ARGS__)) |
| |
| void daemonize(bool wait_child); |
| void daemon_exit_code(char code); |
| void parse_location(char* loc_str, int* x, int* y); |
| void parse_filespec(char* filespec, char* filename, |
| int32_t* offset_x, int32_t* offset_y, uint32_t* duration, |
| uint32_t default_duration, int32_t default_x, int32_t default_y); |
| void parse_image_option(char* optionstr, char** name, char** val); |
| |
| /* make sure stdio file descriptors are somewhat sane */ |
| void fix_stdio(void); |
| bool write_string_to_file(const char *path, const char *s); |
| |
| #define ERROR (LOG_ERR) |
| #define WARNING (LOG_WARNING) |
| #define INFO (LOG_INFO) |
| |
| #endif |