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Attribute the contributions made by members of the community, but avoid unweildy and inconsistent copyright notices at the top of each file. Existing contributor copyright notices have been left as-is.
108 lines
5.9 KiB
C
108 lines
5.9 KiB
C
/*
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Copyright (c) 2017-2025, Feral Interactive and the GameMode contributors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Feral Interactive nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <errno.h>
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#include <stdbool.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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#include <syslog.h>
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/* Macros to help with basic logging */
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#define PLOG_MSG(...) printf(__VA_ARGS__)
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#define SYSLOG_MSG(...) syslog(LOG_INFO, __VA_ARGS__)
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#define LOG_MSG(...) \
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do { \
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if (get_use_syslog()) { \
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SYSLOG_MSG(__VA_ARGS__); \
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} else { \
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PLOG_MSG(__VA_ARGS__); \
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} \
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} while (0)
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#define PLOG_ERROR(...) fprintf(stderr, "ERROR: " __VA_ARGS__)
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#define SYSLOG_ERROR(...) syslog(LOG_ERR, __VA_ARGS__)
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#define LOG_ERROR(...) \
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do { \
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if (get_use_syslog()) { \
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SYSLOG_ERROR(__VA_ARGS__); \
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} else { \
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PLOG_ERROR(__VA_ARGS__); \
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} \
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} while (0)
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#define LOG_ONCE(type, ...) \
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do { \
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static int __once = 0; \
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if (!__once++) \
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LOG_##type(__VA_ARGS__); \
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} while (0)
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/* Fatal warnings trigger an exit */
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#define FATAL_ERRORNO(msg) \
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do { \
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LOG_ERROR(msg " (%s)\n", strerror(errno)); \
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exit(EXIT_FAILURE); \
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} while (0)
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#define FATAL_ERROR(...) \
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do { \
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LOG_ERROR(__VA_ARGS__); \
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exit(EXIT_FAILURE); \
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} while (0)
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/* Hinting helpers */
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#define HINT_ONCE(name, hint) \
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do { \
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static int __once = 0; \
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name = (!__once++ ? hint : ""); \
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} while (0)
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#define HINT_ONCE_ON(cond, ...) \
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do { \
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if (cond) \
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HINT_ONCE(__VA_ARGS__); \
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} while (0);
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#define LOG_HINTED(type, msg, hint, ...) \
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do { \
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const char *__arg; \
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HINT_ONCE(__arg, hint); \
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LOG_##type(msg "%s", __VA_ARGS__, __arg); \
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} while (0)
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/**
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* Control if and how how we use syslog
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*/
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void set_use_syslog(const char *name);
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bool get_use_syslog(void);
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