strftime: fix underlying format string in %z format

the expression (tm->__tm_gmtoff)/3600 has type long. use %+.2ld instead.

diff --git a/src/time/strftime.c b/src/time/strftime.c
index 708875eeae52fc69be10418cd9fbdaa0e3e33a00..0a2569706db4ba73fe16fc3cdbb12d51c4751b8d 100644 (file)
--- a/src/time/strftime.c
+++ b/src/time/strftime.c
@@ -181,7 +181,7 @@ const char *__strftime_fmt_1(char (*s)[100], size_t *l, int f, const struct tm *
                        *l = 0;
                        return "";
                }
-               *l = snprintf(*s, sizeof *s, "%+.2d%.2d",
+               *l = snprintf(*s, sizeof *s, "%+.2ld%.2d",
                        (tm->__tm_gmtoff)/3600,
                        abs(tm->__tm_gmtoff%3600)/60);
                return *s;