/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <errno.h> #include <string.h> #include "util.h" #include "errno-list.h" static const struct errno_name* lookup_errno(register const char *str, register unsigned int len); #include "errno-to-name.h" #include "errno-from-name.h" const char *errno_to_name(int id) { if (id < 0) id = -id; if (id >= (int) ELEMENTSOF(errno_names)) return NULL; return errno_names[id]; } int errno_from_name(const char *name) { const struct errno_name *sc; assert(name); sc = lookup_errno(name, strlen(name)); if (!sc) return 0; return sc->id; } int errno_max(void) { return ELEMENTSOF(errno_names); }