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100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/*
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* Copyright (c) 2023 Lain Bailey <lain@obsproject.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#include <stdarg.h>
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#include "c99defs.h"
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/*
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* Just contains logging/crash related stuff
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define STRINGIFY(x) #x
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#define STRINGIFY_(x) STRINGIFY(x)
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#define S__LINE__ STRINGIFY_(__LINE__)
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#define INT_CUR_LINE __LINE__
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#define FILE_LINE __FILE__ " (" S__LINE__ "): "
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#define OBS_COUNTOF(x) (sizeof(x) / sizeof(x[0]))
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enum {
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/**
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* Use if there's a problem that can potentially affect the program,
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* but isn't enough to require termination of the program.
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*
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* Use in creation functions and core subsystem functions. Places that
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* should definitely not fail.
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*/
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LOG_ERROR = 100,
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/**
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* Use if a problem occurs that doesn't affect the program and is
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* recoverable.
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*
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* Use in places where failure isn't entirely unexpected, and can
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* be handled safely.
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*/
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LOG_WARNING = 200,
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/**
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* Informative message to be displayed in the log.
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*/
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LOG_INFO = 300,
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/**
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* Debug message to be used mostly by developers.
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*/
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LOG_DEBUG = 400
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};
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typedef void (*log_handler_t)(int lvl, const char *msg, va_list args, void *p);
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EXPORT void base_get_log_handler(log_handler_t *handler, void **param);
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EXPORT void base_set_log_handler(log_handler_t handler, void *param);
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EXPORT void base_set_crash_handler(void (*handler)(const char *, va_list,
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void *),
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void *param);
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EXPORT void blogva(int log_level, const char *format, va_list args);
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#if !defined(_MSC_VER) && !defined(SWIG)
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#define PRINTFATTR(f, a) __attribute__((__format__(__printf__, f, a)))
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#else
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#define PRINTFATTR(f, a)
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#endif
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PRINTFATTR(2, 3)
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EXPORT void blog(int log_level, const char *format, ...);
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PRINTFATTR(1, 2)
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#ifndef SWIG
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OBS_NORETURN
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#endif
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EXPORT void bcrash(const char *format, ...);
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#undef PRINTFATTR
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#ifdef __cplusplus
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}
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#endif
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