232 lines
11 KiB
C
232 lines
11 KiB
C
#ifndef COSMOPOLITAN_LIBC_LOG_LOG_H_
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#define COSMOPOLITAN_LIBC_LOG_LOG_H_
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § liblog ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#define kLogFatal 0u
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#define kLogError 1u
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#define kLogWarn 2u
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#define kLogInfo 3u
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#define kLogVerbose 4u
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#define kLogDebug 5u
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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 kLogDebug
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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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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct sigset;
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struct winsize;
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typedef struct FILE FILE;
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extern FILE *g_logfile;
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void perror(const char *) relegated; /* print the last system error */
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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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uint16_t getttycols(uint16_t);
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int getttysize(int, struct winsize *) paramsnonnull();
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bool isterminalinarticulate(void) nosideeffect;
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char *commandvenv(const char *, const char *) nodiscard;
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const char *GetAddr2linePath(void);
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const char *GetGdbPath(void);
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void showcrashreports(void);
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void callexitontermination(struct sigset *);
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bool32 IsDebuggerPresent(bool);
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bool isrunningundermake(void);
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § liblog » logging ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#ifndef __STRICT_ANSI__
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extern unsigned g_loglevel; /* 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) <= g_loglevel)
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#define LOGF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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flogf(kLogInfo, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VFLOG(FMT, VA) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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vflogf(kLogInfo, __FILE__, __LINE__, NULL, FMT, VA); \
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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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flogf(kLogInfo, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VFLOGF(F, FMT, VA) \
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do { \
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if (LOGGABLE(kLogInfo)) { \
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vflogf(kLogInfo, __FILE__, __LINE__, F, FMT, VA); \
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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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flogf(kLogWarn, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VWARNF(FMT, VA) \
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do { \
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if (LOGGABLE(kLogWarn)) { \
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vflogf(kLogWarn, __FILE__, __LINE__, NULL, FMT, VA); \
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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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flogf(kLogWarn, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VFWARNF(F, FMT, VA) \
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do { \
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if (LOGGABLE(kLogWarn)) { \
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vflogf(kLogWarn, __FILE__, __LINE__, F, FMT, VA); \
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} \
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} while (0)
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#define FATALF(FMT, ...) \
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do { \
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ffatalf(kLogFatal, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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unreachable; \
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} while (0)
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#define VFATALF(FMT, VA) \
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do { \
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vffatalf(kLogFatal, __FILE__, __LINE__, NULL, FMT, VA); \
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unreachable; \
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} while (0)
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#define FFATALF(F, FMT, ...) \
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do { \
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ffatalf(kLogFatal, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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unreachable; \
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} while (0)
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#define VFFATALF(F, FMT, VA) \
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do { \
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vffatalf(kLogFatal, __FILE__, __LINE__, F, FMT, VA); \
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unreachable; \
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} while (0)
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#define DEBUGF(FMT, ...) \
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do { \
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if (LOGGABLE(kLogDebug)) { \
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fdebugf(kLogDebug, __FILE__, __LINE__, NULL, 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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fverbosef(kLogVerbose, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VDEBUGF(FMT, VA) \
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do { \
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if (LOGGABLE(kLogDebug)) { \
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vfdebugf(kLogDebug, __FILE__, __LINE__, NULL, FMT, VA); \
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} \
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} while (0)
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#define FDEBUGF(F, FMT, ...) \
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do { \
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if (LOGGABLE(kLogDebug)) { \
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fdebugf(kLogDebug, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
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} \
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} while (0)
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#define VFVERBOSEF(F, FMT, VA) \
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do { \
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if (LOGGABLE(kLogVerbose)) { \
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vfverbosef(kLogVerbose, __FILE__, __LINE__, F, FMT, VA); \
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} \
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} while (0)
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#define VFDEBUGF(F, FMT, VA) \
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do { \
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if (LOGGABLE(kLogDebug)) { \
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vfdebugf(kLogDebug, __FILE__, __LINE__, F, FMT, VA); \
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} \
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} while (0)
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § liblog » on error resume next ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#define LOGIFNEG1(FORM) \
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({ \
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autotype(FORM) Ax = (FORM); \
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if (Ax == (typeof(Ax))(-1) && LOGGABLE(kLogWarn)) { \
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__logerrno(__FILE__, __LINE__, #FORM); \
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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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autotype(FORM) Ax = (FORM); \
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if (Ax == NULL && LOGGABLE(kLogWarn)) { \
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__logerrno(__FILE__, __LINE__, #FORM); \
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} \
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Ax; \
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})
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § liblog » implementation details ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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void __logerrno(const char *, int, const char *) relegated;
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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, 6))
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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 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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