epee: misc_log_ex.h can now be used in C code

use mfatal/merror/mwarning/minfo/mdebug/mtrace
This commit is contained in:
moneromooo-monero 2019-05-27 14:15:04 +00:00
parent 3f6096867d
commit 89339551a2
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GPG Key ID: 686F07454D6CEFC3
2 changed files with 51 additions and 11 deletions

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@ -28,6 +28,8 @@
#ifndef _MISC_LOG_EX_H_
#define _MISC_LOG_EX_H_
#ifdef __cplusplus
#include <string>
#include "easylogging++.h"
@ -220,4 +222,28 @@ void set_console_color(int color, bool bright);
void reset_console_color();
}
extern "C"
{
#endif
#ifdef __GNUC__
#define ATTRIBUTE_PRINTF __attribute__((format(printf, 2, 3)))
#else
#define ATTRIBUTE_PRINTF
#endif
bool merror(const char *category, const char *format, ...) ATTRIBUTE_PRINTF;
bool mwarning(const char *category, const char *format, ...) ATTRIBUTE_PRINTF;
bool minfo(const char *category, const char *format, ...) ATTRIBUTE_PRINTF;
bool mdebug(const char *category, const char *format, ...) ATTRIBUTE_PRINTF;
bool mtrace(const char *category, const char *format, ...) ATTRIBUTE_PRINTF;
#ifdef __cplusplus
}
#endif
#endif //_MISC_LOG_EX_H_

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@ -472,40 +472,54 @@ void reset_console_color() {
}
static void mlog(el::Level level, const char *category, const char *format, va_list ap)
static bool mlog(el::Level level, const char *category, const char *format, va_list ap) noexcept
{
int size = 0;
char *p = NULL;
va_list apc;
bool ret = true;
/* Determine required size */
va_copy(apc, ap);
size = vsnprintf(p, size, format, apc);
va_end(apc);
if (size < 0)
return;
return false;
size++; /* For '\0' */
p = (char*)malloc(size);
if (p == NULL)
return;
return false;
size = vsnprintf(p, size, format, ap);
if (size < 0)
{
free(p);
return;
return false;
}
MCLOG(level, category, el::Color::Default, p);
try
{
MCLOG(level, category, el::Color::Default, p);
}
catch(...)
{
ret = false;
}
free(p);
return ret;
}
void mfatal(const char *category, const char *fmt, ...) { va_list ap; va_start(ap, fmt); mlog(el::Level::Fatal, category, fmt, ap); va_end(ap); }
void merror(const char *category, const char *fmt, ...) { va_list ap; va_start(ap, fmt); mlog(el::Level::Error, category, fmt, ap); va_end(ap); }
void mwarning(const char *category, const char *fmt, ...) { va_list ap; va_start(ap, fmt); mlog(el::Level::Warning, category, fmt, ap); va_end(ap); }
void minfo(const char *category, const char *fmt, ...) { va_list ap; va_start(ap, fmt); mlog(el::Level::Info, category, fmt, ap); va_end(ap); }
void mdebug(const char *category, const char *fmt, ...) { va_list ap; va_start(ap, fmt); mlog(el::Level::Debug, category, fmt, ap); va_end(ap); }
void mtrace(const char *category, const char *fmt, ...) { va_list ap; va_start(ap, fmt); mlog(el::Level::Trace, category, fmt, ap); va_end(ap); }
#define DEFLOG(fun,lev) \
bool m##fun(const char *category, const char *fmt, ...) { va_list ap; va_start(ap, fmt); bool ret = mlog(el::Level::lev, category, fmt, ap); va_end(ap); return ret; }
DEFLOG(error, Error)
DEFLOG(warning, Warning)
DEFLOG(info, Info)
DEFLOG(debug, Debug)
DEFLOG(trace, Trace)
#undef DEFLOG
#endif //_MLOG_H_