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include/Spectre/System/Log.h: implement a static "Log" class instead of just a function.

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This commit is contained in:
Henrik Hautakoski 2019-11-10 14:56:56 +01:00
parent e10daeaaa6
commit 3b27db9435
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GPG key ID: 96765B12FEAC4745
8 changed files with 101 additions and 31 deletions
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61
source/System/Log.cpp
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@ -1,16 +1,65 @@
#include <string>
#include <stdarg.h>
#include <stdio.h>
#include <Spectre/System/Log.h>
namespace sp
{
void log(const char *fmt, ...) {
va_list vl;
void Log::info(const char *message, ...) {
va_start(vl, fmt);
vfprintf(stderr, fmt, vl);
va_end(vl);
va_list vl;
va_start(vl, message);
writeln(T_INFO, message, vl);
va_end(vl);
}
void Log::warn(const char *message, ...)
{
va_list vl;
va_start(vl, message);
writeln(T_WARNING, message, vl);
va_end(vl);
}
int Log::error(const char *message, ...)
{
va_list vl;
va_start(vl, message);
writeln(T_ERROR, message, vl);
va_end(vl);
return 1;
}
void Log::writeln(Type type, const char *message, va_list args)
{
FILE *fd = stderr;
static char buf[4096];
const char *prefix;
switch(type) {
case T_INFO :
fd = stdout;
prefix = "INFO";
break;
case T_WARNING :
prefix = "WARN";
break;
case T_CRITICAL:
prefix = "CRIT";
break;
default :
case T_ERROR :
prefix = "ERROR";
break;
}
vsnprintf(buf, sizeof(buf), message, args);
fprintf(fd, "%s: %s\n", prefix, buf);
}
} // namespace sp