log.h


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#define LOG_INIT_SUCCESS 0
#define LOG_INIT_FAILED -1

int log_init( server_config_t *sc, log_file_t *lf ){
    if ( strcmp((const char*)sc->log_enabled->valuestring, "no") == 0 )
        return LOG_INIT_SUCCESS;
    if ( sc->log_file == NULL || (int64_t)strlen(sc->log_file->valuestring) <= 0 )
        return LOG_INIT_FAILED;
    lf->log_file = fopen( sc->log_file->valuestring, "a" );
    if ( lf->log_file == NULL )
        return LOG_INIT_FAILED;
    if ( syscall(SYS_chmod, (const char*)sc->log_file->valuestring, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP) == -1 )
        return LOG_INIT_FAILED;
    return LOG_INIT_SUCCESS;
}

void log_write( server_config_t *scd, log_file_t *lf_info, char *log_message ){
    if ( strcmp((const char*)scd->log_enabled->valuestring, "no") == 0 )
        return;
    if ( lf_info->log_file == NULL )
        return;
    fprintf( lf_info->log_file, "%s\n", log_message );
    if ( fflush(lf_info->log_file) == EOF )
        fputs( "WARNING: failed to write buffered data to disk\n", stderr );
    return;
}