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path: root/src/cyn_log.c
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#include <stdio.h>

Log_Level cyn_current_log_level = UN_LOG_INFO;

void cyn_log_write_internal(Log_Level level, String format, va_list vaptr) {
    Allocator talloc;
    String output;

    if (level < cyn_current_log_level) return;

    
    talloc = un_allocator_get_temporary();
    
    switch (level) {
        case UN_LOG_TRACE:
            output = UN_STR("[TRACE] ");
            break;
        case UN_LOG_DEBUG:
            output = UN_STR("[DEBUG] ");
            break;
        case UN_LOG_INFO:
            output = UN_STR("[INFO] ");
            break;
        case UN_LOG_WARNING:
            output = UN_STR("[WARNING] ");
            break;
        case UN_LOG_ERROR:
            output = UN_STR("[ERROR] ");
            break;
        case UN_LOG_FATAL:
            output = UN_STR("[FATAL] ");
            break;
        default:
            break;
    }

    output = un_string_concat(output, un_string_vformat(talloc, format, vaptr), talloc);

    switch (level) {
        case UN_LOG_RAW:
            break;
        case UN_LOG_FATAL: // @todo, logging should be part of Cynic.
        default:
            output = un_string_concat(output, UN_STR("\n"), talloc);
            break;
    }

    fprintf(stderr, CSTR un_string_to_cstring(output, talloc));
}

extern void cyn_log_write_cstring(Log_Level level, u8 *format, ...) {
    va_list vaptr;
    String temp;
    
    if (level < cyn_current_log_level) return;

    temp.size = un_string_get_length(format);
    temp.data = format;
    
    va_start(vaptr, format);
    cyn_log_write_internal(level, temp, vaptr);
    va_end(vaptr);
}

void cyn_log_write(Log_Level level, String format, ...) {
    va_list vaptr;
    
    if (level < cyn_current_log_level) return;

    va_start(vaptr, format);
    cyn_log_write_internal(level, format, vaptr);
    va_end(vaptr);
}