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-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
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+/*-*- 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);
+}