1 files changed, 43 insertions, 0 deletions

diff --git a/src/fseccomp/errno.c b/src/fseccomp/errno.c
index 625f484bd..dbee916d4 100644
--- a/src/fseccomp/errno.c
+++ b/src/fseccomp/errno.c
@@ -1,3 +1,22 @@
+/*
+ * Copyright (C) 2014-2016 Firejail Authors
+ *
+ * This file is part of firejail project
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
 #include "fseccomp.h"
 
 #include <errno.h>
@@ -151,6 +170,30 @@ static ErrnoEntry errnolist[] = {
 #endif  
 };
 
+int errno_find_name(const char *name) {
+        int i;
+        int elems = sizeof(errnolist) / sizeof(errnolist[0]);
+        for (i = 0; i < elems; i++) {
+                if (strcasecmp(name, errnolist[i].name) == 0)
+                        return errnolist[i].nr;
+        }
+
+        return -1;
+}
+
+char *errno_find_nr(int nr) {
+        int i;
+        int elems = sizeof(errnolist) / sizeof(errnolist[0]);
+        for (i = 0; i < elems; i++) {
+                if (nr == errnolist[i].nr)
+                        return errnolist[i].name;
+        }
+
+        return "unknown";
+}
+
+
+
 void errno_print(void) {
         int i;
         int elems = sizeof(errnolist) / sizeof(errnolist[0]);