mirror of
https://github.com/jart/cosmopolitan.git
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233 lines
9.8 KiB
C
233 lines
9.8 KiB
C
#ifndef COSMOPOLITAN_LIBC_LOG_LOG_H_
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#define COSMOPOLITAN_LIBC_LOG_LOG_H_
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#include "libc/stdio/stdio.h"
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#define kLogFatal 0
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#define kLogError 1
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#define kLogWarn 2
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#define kLogInfo 3
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#define kLogVerbose 4
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#define kLogDebug 5
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#define kLogNoise 6
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/**
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* Log level for compile-time DCE.
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*/
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#ifndef LOGGABLELEVEL
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#ifndef TINY
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#define LOGGABLELEVEL kLogNoise
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/* #elif IsTiny() */
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/* #define LOGGABLELEVEL kLogInfo */
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#else
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#define LOGGABLELEVEL kLogVerbose
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#endif
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#endif
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#ifdef TINY
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#define _LOG_TINY 1
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#else
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#define _LOG_TINY 0
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#endif
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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extern FILE *__log_file;
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int __watch(void *, size_t);
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void __die(void) relegated wontreturn; /* print backtrace and abort() */
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void _meminfo(int); /* shows malloc statistics &c. */
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void _memsummary(int); /* light version of same thing */
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bool IsTerminalInarticulate(void) nosideeffect;
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const char *commandvenv(const char *, const char *);
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int LogKprintfToFile(const char *);
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const char *GetAddr2linePath(void);
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const char *GetGdbPath(void);
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bool32 IsDebuggerPresent(bool);
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bool IsRunningUnderMake(void);
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const char *GetSiCodeName(int, int);
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char *GetSymbolByAddr(int64_t);
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void PrintGarbage(void);
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void PrintGarbageNumeric(FILE *);
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void CheckForMemoryLeaks(void);
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void PrintWindowsMemory(const char *, size_t);
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#ifndef __STRICT_ANSI__
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#define _LOG_UNLIKELY(x) __builtin_expect(!!(x), 0)
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extern unsigned __log_level; /* log level for runtime check */
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#define LOGGABLE(LEVEL) \
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((!__builtin_constant_p(LEVEL) || (LEVEL) <= LOGGABLELEVEL) && \
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(LEVEL) <= __log_level)
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// log a message with the specified log level (not checking if LOGGABLE)
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#define LOGF(LEVEL, FMT, ...) \
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do { \
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if (!_LOG_TINY) _log_untrace(); \
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flogf(LEVEL, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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if (!_LOG_TINY) _log_retrace(); \
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} while (0)
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// report an error without backtrace and debugger invocation
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#define FATALF(FMT, ...) \
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do { \
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if (!_LOG_TINY) _log_untrace(); \
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flogf(kLogError, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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_log_exit(1); \
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} while (0)
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#define DIEF(FMT, ...) \
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do { \
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if (!_LOG_TINY) _log_untrace(); \
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ffatalf(kLogFatal, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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__builtin_unreachable(); \
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} while (0)
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#define ERRORF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogError)) { \
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LOGF(kLogError, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define WARNF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogWarn)) { \
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LOGF(kLogWarn, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define INFOF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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LOGF(kLogInfo, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VERBOSEF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogVerbose)) { \
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if (!_LOG_TINY) _log_untrace(); \
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fverbosef(kLogVerbose, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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if (!_LOG_TINY) _log_retrace(); \
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} \
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} while (0)
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#define DEBUGF(FMT, ...) \
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do { \
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if (_LOG_UNLIKELY(LOGGABLE(kLogDebug))) { \
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if (!_LOG_TINY) _log_untrace(); \
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fdebugf(kLogDebug, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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if (!_LOG_TINY) _log_retrace(); \
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} \
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} while (0)
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#define NOISEF(FMT, ...) \
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do { \
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if (_LOG_UNLIKELY(LOGGABLE(kLogNoise))) { \
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if (!_LOG_TINY) _log_untrace(); \
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fnoisef(kLogNoise, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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if (!_LOG_TINY) _log_retrace(); \
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} \
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} while (0)
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#define FLOGF(F, FMT, ...) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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if (!_LOG_TINY) _log_untrace(); \
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flogf(kLogInfo, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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if (!_LOG_TINY) _log_retrace(); \
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} \
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} while (0)
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#define FWARNF(F, FMT, ...) \
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do { \
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if (LOGGABLE(kLogWarn)) { \
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if (!_LOG_TINY) _log_untrace(); \
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flogf(kLogWarn, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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if (!_LOG_TINY) _log_retrace(); \
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} \
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} while (0)
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#define FFATALF(F, FMT, ...) \
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do { \
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if (!_LOG_TINY) _log_untrace(); \
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flogf(kLogError, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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_log_exit(1); \
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} while (0)
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#define FDEBUGF(F, FMT, ...) \
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do { \
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if (_LOG_UNLIKELY(LOGGABLE(kLogDebug))) { \
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if (!_LOG_TINY) _log_untrace(); \
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fdebugf(kLogDebug, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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if (!_LOG_TINY) _log_retrace(); \
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} \
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} while (0)
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#define FNOISEF(F, FMT, ...) \
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do { \
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if (_LOG_UNLIKELY(LOGGABLE(kLogNoise))) { \
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if (!_LOG_TINY) _log_untrace(); \
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fnoisef(kLogNoise, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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if (!_LOG_TINY) _log_retrace(); \
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} \
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} while (0)
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#define LOGIFNEG1(FORM) \
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({ \
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int e = _log_get_errno(); \
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autotype(FORM) Ax = (FORM); \
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if (_LOG_UNLIKELY(Ax == (typeof(Ax))(-1)) && LOGGABLE(kLogWarn)) { \
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if (!_LOG_TINY) _log_untrace(); \
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_log_errno(__FILE__, __LINE__, #FORM); \
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if (!_LOG_TINY) _log_retrace(); \
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_log_set_errno(e); \
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} \
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Ax; \
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})
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#define LOGIFNULL(FORM) \
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({ \
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int e = _log_get_errno(); \
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autotype(FORM) Ax = (FORM); \
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if (Ax == NULL && LOGGABLE(kLogWarn)) { \
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if (!_LOG_TINY) _log_untrace(); \
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_log_errno(__FILE__, __LINE__, #FORM); \
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if (!_LOG_TINY) _log_retrace(); \
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_log_set_errno(e); \
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} \
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Ax; \
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})
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void _log_errno(const char *, int, const char *) relegated;
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int _log_get_errno(void);
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void _log_set_errno(int);
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void _log_untrace(void);
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void _log_retrace(void);
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void _log_exit(int) wontreturn;
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#define ARGS unsigned, const char *, int, FILE *, const char *
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#define ATTR paramsnonnull((5)) printfesque(5)
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#define ATTRV paramsnonnull((5))
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void flogf(ARGS, ...) ATTR libcesque;
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void vflogf(ARGS, va_list) ATTRV libcesque;
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void fverbosef(ARGS, ...) asm("flogf") ATTR relegated libcesque;
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void vfverbosef(ARGS, va_list) asm("vflogf") ATTRV relegated libcesque;
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void fdebugf(ARGS, ...) asm("flogf") ATTR relegated libcesque;
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void vfdebugf(ARGS, va_list) asm("vflogf") ATTRV relegated libcesque;
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void fnoisef(ARGS, ...) asm("flogf") ATTR relegated libcesque;
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void vfnoisef(ARGS, va_list) asm("vflogf") ATTRV relegated libcesque;
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void ffatalf(ARGS, ...) asm("flogf") ATTR relegated wontreturn libcesque;
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void vffatalf(ARGS, va_list) asm("vflogf") ATTRV relegated wontreturn libcesque;
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#undef ARGS
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#undef ATTR
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#undef ATTRV
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#endif /* __STRICT_ANSI__ */
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_LOG_LOG_H_ */
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