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authorDaniel Mack <github@zonque.org>2015-06-11 11:50:18 +0200
committerDaniel Mack <github@zonque.org>2015-06-11 11:50:18 +0200
commit94f1f58d2b0aaab4db413f3c4ec6896a91b4c4ff (patch)
tree9fa192b353c6a3fcb56cc66149eeec7bd5e26150 /src/basic/cap-list.c
parented4dc5bbd1d985d267ed146f98f7a02caf1c5078 (diff)
parenta095315b3c31f7a419baceac82c26c3c5ac0cd12 (diff)
Merge pull request #160 from kaysievers/libsplit
build-sys: split internal basic/ library from shared/
Diffstat (limited to 'src/basic/cap-list.c')
-rw-r--r--src/basic/cap-list.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/basic/cap-list.c b/src/basic/cap-list.c
new file mode 100644
index 0000000000..bd5bffbfa5
--- /dev/null
+++ b/src/basic/cap-list.c
@@ -0,0 +1,65 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 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 "util.h"
+#include "cap-list.h"
+#include "missing.h"
+
+static const struct capability_name* lookup_capability(register const char *str, register unsigned int len);
+
+#include "cap-to-name.h"
+#include "cap-from-name.h"
+
+const char *capability_to_name(int id) {
+
+ if (id < 0)
+ return NULL;
+
+ if (id >= (int) ELEMENTSOF(capability_names))
+ return NULL;
+
+ return capability_names[id];
+}
+
+int capability_from_name(const char *name) {
+ const struct capability_name *sc;
+ int r, i;
+
+ assert(name);
+
+ /* Try to parse numeric capability */
+ r = safe_atoi(name, &i);
+ if (r >= 0 && i >= 0)
+ return i;
+
+ /* Try to parse string capability */
+ sc = lookup_capability(name, strlen(name));
+ if (!sc)
+ return -EINVAL;
+
+ return sc->id;
+}
+
+int capability_list_length(void) {
+ return (int) ELEMENTSOF(capability_names);
+}