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// SPDX-License-Identifier: GPL-2.0 /* * util functions. * * Copyright (C) 2022 Red Hat Inc, Daniel Bristot de Oliveira <bristot@kernel.org> */ #include <stdarg.h> #include <stdio.h> #include <utils.h> int config_debug; #define MAX_MSG_LENGTH 1024 /** * err_msg - print an error message to the stderr */ void err_msg(const char *fmt, ...) { char message[MAX_MSG_LENGTH]; va_list ap; va_start(ap, fmt); vsnprintf(message, sizeof(message), fmt, ap); va_end(ap); fprintf(stderr, "%s", message); } /** * debug_msg - print a debug message to stderr if debug is set */ void debug_msg(const char *fmt, ...) { char message[MAX_MSG_LENGTH]; va_list ap; if (!config_debug) return; va_start(ap, fmt); vsnprintf(message, sizeof(message), fmt, ap); va_end(ap); fprintf(stderr, "%s", message); } |