diff options
Diffstat (limited to 'src/libbasic/src/errno-list.c')
-rw-r--r-- | src/libbasic/src/errno-list.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/libbasic/src/errno-list.c b/src/libbasic/src/errno-list.c new file mode 100644 index 0000000000..31b66bad5e --- /dev/null +++ b/src/libbasic/src/errno-list.c @@ -0,0 +1,57 @@ +/*** + 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 <string.h> + +#include "errno-list.h" +#include "macro.h" + +static const struct errno_name* lookup_errno(register const char *str, + register unsigned int len); + +#include "errno-from-name.h" +#include "errno-to-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 -EINVAL; + + assert(sc->id > 0); + return sc->id; +} + +int errno_max(void) { + return ELEMENTSOF(errno_names); +} |