vipw: flush stdout before getting answer.

Otherwise the question is displayed only after the user presses Return,
and the program looks like it's hanging.

This happens at least on musl libc.

Reported by @loreb.

Signed-off-by: Érico Nogueira <erico.erc@gmail.com>

diff --git a/login-utils/vipw.c b/login-utils/vipw.c
index 8e63efde28b0b2021dbfb33f2b2b14623f99a8cb..f59948a443fcdf9391935f74abe435d08cf2fab3 100644 (file)
--- a/login-utils/vipw.c
+++ b/login-utils/vipw.c
@@ -353,6 +353,7 @@ int main(int argc, char *argv[])
                 * which means they can be translated. */
                printf(_("Would you like to edit %s now [y/n]? "), orig_file);
 
+               fflush(stdout);
                if (fgets(response, sizeof(response), stdin) &&
                    rpmatch(response) == RPMATCH_YES)
                        edit_file(1);