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-rw-r--r--src/shared/env-util.c39
1 files changed, 38 insertions, 1 deletions
diff --git a/src/shared/env-util.c b/src/shared/env-util.c
index 7976881ef6..b2e45531ab 100644
--- a/src/shared/env-util.c
+++ b/src/shared/env-util.c
@@ -310,7 +310,7 @@ char **strv_env_unset(char **l, const char *p) {
assert(p);
/* Drops every occurrence of the env var setting p in the
- * string list. edits in-place. */
+ * string list. Edits in-place. */
for (f = t = l; *f; f++) {
@@ -326,6 +326,43 @@ char **strv_env_unset(char **l, const char *p) {
return l;
}
+char **strv_env_unset_many(char **l, ...) {
+
+ char **f, **t;
+
+ if (!l)
+ return NULL;
+
+ /* Like strv_env_unset() but applies many at once. Edits in-place. */
+
+ for (f = t = l; *f; f++) {
+ bool found = false;
+ const char *p;
+ va_list ap;
+
+ va_start(ap, l);
+
+ while ((p = va_arg(ap, const char*))) {
+ if (env_match(*f, p)) {
+ found = true;
+ break;
+ }
+ }
+
+ va_end(ap);
+
+ if (found) {
+ free(*f);
+ continue;
+ }
+
+ *(t++) = *f;
+ }
+
+ *t = NULL;
+ return l;
+}
+
char **strv_env_set(char **x, const char *p) {
char **k, **r;