libudev: prefix log macros with 'udev_'

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

diff --git a/src/shared/strv.c b/src/shared/strv.c
index bb309d9f92510feb1c622e20f91e6b9e6b46f15a..18de4f8391f30fd45848141a88c9753b95390d92 100644 (file)
--- a/src/shared/strv.c
+++ b/src/shared/strv.c
@@ -6,16 +6,16 @@
   Copyright 2010 Lennart Poettering
 
   systemd 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
+  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
-  General Public License for more details.
+  Lesser General Public License for more details.
 
-  You should have received a copy of the GNU General Public License
+  You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
@@ -386,6 +386,31 @@ char **strv_remove(char **l, const char *s) {
         return l;
 }
 
+char **strv_remove_prefix(char **l, const char *s) {
+        char **f, **t;
+
+        if (!l)
+                return NULL;
+
+        assert(s);
+
+        /* Drops every occurrence of a string prefixed with s in the
+         * string list, edits in-place. */
+
+        for (f = t = l; *f; f++) {
+
+                if (startswith(*f, s)) {
+                        free(*f);
+                        continue;
+                }
+
+                *(t++) = *f;
+        }
+
+        *t = NULL;
+        return l;
+}
+
 static int env_append(char **r, char ***k, char **a) {
         assert(r);
         assert(k);