X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fstrv.c;fp=src%2Fstrv.c;h=d1c7b2c32d89c31b121fc6ef1c0c719a9167c81c;hp=d9aef982246c0dc158b4a190ce8832a340cfc088;hb=a6ff950e71ea665fff99740f7b3e0137d451a79e;hpb=7fc942b29e7bdb9d6aa3123f53da6680edabd8f0

diff --git a/src/strv.c b/src/strv.c
index d9aef9822..d1c7b2c32 100644
--- a/src/strv.c
+++ b/src/strv.c
@@ -380,7 +380,7 @@ static int env_append(char **r, char ***k, char **a) {
 
         /* Add the entries of a to *k unless they already exist in *r
          * in which case they are overriden instead. This assumes
-         * there is enough space in the r */
+         * there is enough space in the r array. */
 
         for (; *a; a++) {
                 char **j;
@@ -556,3 +556,24 @@ char *strv_env_get_with_length(char **l, const char *name, size_t k) {
 char *strv_env_get(char **l, const char *name) {
         return strv_env_get_with_length(l, name, strlen(name));
 }
+
+char **strv_env_clean(char **l) {
+        char **r, **ret;
+
+        for (r = ret = l; *l; l++) {
+                const char *equal;
+
+                equal = strchr(*l, '=');
+
+                if (equal && equal[1] == 0) {
+                        free(*l);
+                        continue;
+                }
+
+                *(r++) = *l;
+        }
+
+        *r = NULL;
+
+        return ret;
+}