summaryrefslogtreecommitdiff
path: root/src/shared/syscall-list.c
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2013-11-22 14:30:52 +0100
committerLennart Poettering <lennart@poettering.net>2013-11-22 16:31:40 +0100
commitbaabc5776475f7313cdaa5f3bdb45c1c5d053f91 (patch)
treebee2f4582c1ae6e75c9d6e287bab17e69d3a1821 /src/shared/syscall-list.c
parent254ed85a8c6ff182133a9843125e541929ba8197 (diff)
build-sys: move more files from core/ to share/ that are generic enough
Diffstat (limited to 'src/shared/syscall-list.c')
-rw-r--r--src/shared/syscall-list.c56
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);
+}