return NULL;
}
+char **strv_appendf(char **l, const char *format, ...) {
+ va_list ap;
+ _cleanup_free_ char *s = NULL;
+ int r;
+
+ va_start(ap, format);
+ r = vasprintf(&s, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return NULL;
+
+ return strv_append(l, s);
+}
+
int strv_push(char ***l, char *value) {
char **c;
unsigned n;