HeadphoneKey(runAction): Use `while` loop over `result->action`

Using `strlen` loops once over the string, so along with our `for` loop,
we have two loops over the string. No big deal since these shouldn't be
that long. But, using a `while` loop we can iterate just once.

Reference:
Alexandre C. (https://stackoverflow.com/users/373025/alexandre-c)
https://stackoverflow.com/questions/3213827/how-to-iterate-over-a-string-in-c/3213903#3213903

1 files changed, 5 insertions, 2 deletions

diff --git a/DomeKey/HeadphoneKey.m b/DomeKey/HeadphoneKey.m
index 1d5811b..515b7de 100644
--- a/DomeKey/HeadphoneKey.m
+++ b/DomeKey/HeadphoneKey.m
@@ -77,9 +77,12 @@
     const CKeyActionResult *result = c_run_key_action(trigger, count);
 
     if (*result->kind == MapKind_Map) {
-        size_t length = strlen(result->action);
-        for (size_t i = 0; i < length; i++) {
+        const char *c = result->action;
+        int i = 0;
+        while (*c) {
             [KeyboardSimulator simpleKeyPressWithKey:result->action[i]];
+            i++;
+            *c++;
         }
     }