diff options
Diffstat (limited to 'src/shared/syscall-list.c')
-rw-r--r-- | src/shared/syscall-list.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/shared/syscall-list.c b/src/shared/syscall-list.c new file mode 100644 index 0000000000..dc84dca8fe --- /dev/null +++ b/src/shared/syscall-list.c @@ -0,0 +1,56 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2012 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 <sys/syscall.h> +#include <string.h> + +#include "util.h" +#include "syscall-list.h" + +static const struct syscall_name* lookup_syscall(register const char *str, + register unsigned int len); + +#include "syscall-to-name.h" +#include "syscall-from-name.h" + +const char *syscall_to_name(int id) { + id = SYSCALL_TO_INDEX(id); + if (id < 0 || id >= (int) ELEMENTSOF(syscall_names)) + return NULL; + + return syscall_names[id]; +} + +int syscall_from_name(const char *name) { + const struct syscall_name *sc; + + assert(name); + + sc = lookup_syscall(name, strlen(name)); + if (!sc) + return -1; + + return sc->id; +} + +int syscall_max(void) { + return ELEMENTSOF(syscall_names); +} |