string-util: use size_t for strjoina macro (#6914)

`strlen` returns a `size_t` and `alloca` expects a `size_t`.
2017-09-25 15:56:57 -04:00 · 2017-09-25 15:56:57 -04:00 · 35207e259e
parent 3594f80144
commit 35207e259e
1 changed files with 1 additions and 1 deletions
--- a/src/basic/string-util.h
+++ b/src/basic/string-util.h
@ -120,7 +120,7 @@ char *strjoin_real(const char *x, ...) _sentinel_;
        ({                                                              \
                const char *_appendees_[] = { a, __VA_ARGS__ };         \
                char *_d_, *_p_;                                        \
-                int _len_ = 0;                                          \
+                size_t _len_ = 0;                                          \
                unsigned _i_;                                           \
                for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \
                        _len_ += strlen(_appendees_[_i_]);              \