log.c

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#include <log/log.h>
 
#include <arch/io.h>
 
#include <stdarg.h>
#include <stdio.h>
 
int log_level = LOG_LEVEL;
bool log_colored;
 
static const struct {
        const char *name;
        const char *color;
} levels[] = {
        [LOG_TRACE] = {.name = "TRACE", .color = "\x1b[94m"},
        [LOG_DEBUG] = {.name = "DEBUG", .color = "\x1b[36m"},
        [LOG_INFO] = {.name = "INFO", .color = "\x1b[32m"},
        [LOG_WARN] = {.name = "WARN", .color = "\x1b[33m"},
        [LOG_ERROR] = {.name = "ERROR", .color = "\x1b[31m"},
        [LOG_FATAL] = {.name = "FATAL", .color = "\x1b[35m"}
};
 
void _log_log(int level, const char *file, unsigned line, const char *fmt, ...)
{
        va_list args;
 
        char time_string[IO_TIME_BUFFER_LEN];
        io_local_time_get(time_string);
 
        if(log_colored) {
                fprintf(
                        stderr,
                        "%s %s%-5s\x1b[0m \x1b[90m%s:%u:\x1b[0m ",
                        time_string,
                        levels[level].color,
                        levels[level].name,
                        file,
                        line
                );
        } else {
                fprintf(
                        stderr,
                        "%s %-5s %s:%u: ",
                        time_string,
                        levels[level].name,
                        file,
                        line
                );
        }
 
        va_start(args, fmt);
        vfprintf(stderr, fmt, args);
        va_end(args);
        fprintf(stderr, "\n");
        fflush(stderr);
}
 
void log_logo_print(void)
{
        if(log_colored) {
                fprintf(stderr, "\x1b[94m   __ \x1b[90m __   _______   \x1b[94m  _ \x1b[90m       \n");
                fprintf(stderr, "\x1b[94m  /__)\x1b[90m/  ) /  ) /  __ \x1b[94m ( `\x1b[90m . ___ \n");
                fprintf(stderr, "\x1b[94m / \\ \x1b[90m(__/ (__/ (      \x1b[94m._)\x1b[90m / / / )\n");
                fprintf(stderr, "\x1b[0m\n");
        } else {
                fprintf(stderr, "  __   __   _______    _        \n");
                fprintf(stderr, " /__) /  ) /  ) /  __ ( ` . ___ \n");
                fprintf(stderr, "/ \\  (__/ (__/ (     ._) / / / )\n");
                fprintf(stderr, "\n");
        }
}