tree-wide: use PTR_SUB1() at two places where appropriate

2022-03-23 21:57:25 +09:00
parent 50996f04ad
commit 3e3ee42072
2 changed files with 2 additions and 2 deletions
@@ -134,7 +134,7 @@ bool strv_overlap(char * const *a, char * const *b) _pure_;
                                _len > 0 ? h + _len - 1 : NULL;         \
                        });                                             \
             (s = i);                                                   \
-             i > h ? i-- : (i = NULL))
+             i = PTR_SUB1(i, h))

 #define STRV_FOREACH_BACKWARDS(s, l)                                    \
        _STRV_FOREACH_BACKWARDS(s, l, UNIQ_T(h, UNIQ), UNIQ_T(i, UNIQ))