tree-wide: drop 'This file is part of systemd' blurb

[elogind.git] / src / shared / nsflags.c

diff --git a/src/shared/nsflags.c b/src/shared/nsflags.c
index aeb79b131e09153474e2ac24769fea5ca3a1c6f2..3bea3447a9796dc08424a36cffbb2e3093616583 100644 (file)
--- a/src/shared/nsflags.c
+++ b/src/shared/nsflags.c
@@ -1,20 +1,6 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
-  This file is part of systemd.
-
   Copyright 2016 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 <sched.h>
@@ -37,32 +23,9 @@ const struct namespace_flag_map namespace_flag_map[] = {
         {}
 };
 
-const char* namespace_flag_to_string(unsigned long flag) {
-        unsigned i;
-
-        flag &= NAMESPACE_FLAGS_ALL;
-
-        for (i = 0; namespace_flag_map[i].name; i++)
-                if (flag == namespace_flag_map[i].flag)
-                        return namespace_flag_map[i].name;
-
-        return NULL; /* either unknown namespace flag, or a combination of many. This call supports neither. */
-}
-
-unsigned long namespace_flag_from_string(const char *name) {
-        unsigned i;
-
-        if (isempty(name))
-                return 0;
 
-        for (i = 0; namespace_flag_map[i].name; i++)
-                if (streq(name, namespace_flag_map[i].name))
-                        return namespace_flag_map[i].flag;
-
-        return 0;
-}
-
-int namespace_flag_from_string_many(const char *name, unsigned long *ret) {
+#if 0 /// UNNEEDED by elogind
+int namespace_flags_from_string(const char *name, unsigned long *ret) {
         unsigned long flags = 0;
         int r;
 
@@ -70,7 +33,8 @@ int namespace_flag_from_string_many(const char *name, unsigned long *ret) {
 
         for (;;) {
                 _cleanup_free_ char *word = NULL;
-                unsigned long f;
+                unsigned long f = 0;
+                unsigned i;
 
                 r = extract_first_word(&name, &word, NULL, 0);
                 if (r < 0)
@@ -78,7 +42,12 @@ int namespace_flag_from_string_many(const char *name, unsigned long *ret) {
                 if (r == 0)
                         break;
 
-                f = namespace_flag_from_string(word);
+                for (i = 0; namespace_flag_map[i].name; i++)
+                        if (streq(word, namespace_flag_map[i].name)) {
+                                 f = namespace_flag_map[i].flag;
+                                 break;
+                        }
+
                 if (f == 0)
                         return -EINVAL;
 
@@ -88,8 +57,9 @@ int namespace_flag_from_string_many(const char *name, unsigned long *ret) {
         *ret = flags;
         return 0;
 }
+#endif // 0
 
-int namespace_flag_to_string_many(unsigned long flags, char **ret) {
+int namespace_flags_to_string(unsigned long flags, char **ret) {
         _cleanup_free_ char *s = NULL;
         unsigned i;
 
@@ -97,14 +67,8 @@ int namespace_flag_to_string_many(unsigned long flags, char **ret) {
                 if ((flags & namespace_flag_map[i].flag) != namespace_flag_map[i].flag)
                         continue;
 
-                if (!s) {
-                        s = strdup(namespace_flag_map[i].name);
-                        if (!s)
-                                return -ENOMEM;
-                } else {
-                        if (!strextend(&s, " ", namespace_flag_map[i].name, NULL))
-                                return -ENOMEM;
-                }
+                if (!strextend_with_separator(&s, " ", namespace_flag_map[i].name, NULL))
+                        return -ENOMEM;
         }
 
         if (!s) {
@@ -113,8 +77,7 @@ int namespace_flag_to_string_many(unsigned long flags, char **ret) {
                         return -ENOMEM;
         }
 
-        *ret = s;
-        s = NULL;
+        *ret = TAKE_PTR(s);
 
         return 0;
 }