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#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <string>
#include "log.h"
using namespace crepe::util;
static const char * const LOG_PREFIX[] = {
[log_level::debug] = "[DBG] ",
[log_level::info] = "[INFO] ",
[log_level::warning] = "[WARN] ",
[log_level::error] = "[ERR] ",
};
static void va_logf(enum log_level level, va_list args, const std::string fmt) {
va_list args_copy;
va_copy(args_copy, args);
// prepend log level and ensure newline
std::string format_fixed = LOG_PREFIX[level] + fmt;
if (!format_fixed.ends_with("\n")) format_fixed += "\n";
size_t sz = vsnprintf(NULL, 0, format_fixed.c_str(), args_copy) + 1;
char * msg = (char *) malloc(sz);
va_end(args_copy);
vsnprintf(msg, sz, format_fixed.c_str(), args);
// TODO: also log to file or smth
printf("%s", msg);
fflush(stdout);
free(msg);
}
void crepe::util::logf(const char * fmt, ...) {
va_list args;
va_start(args, fmt);
va_logf(crepe::util::log_level::debug, args, fmt);
va_end(args);
}
void crepe::util::logf(log_level level, const char * fmt, ...) {
va_list args;
va_start(args, fmt);
va_logf(level, args, fmt);
va_end(args);
}
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