find: tweak error message

big find:
find: missing argument to `-exec'
we now say
find: -exec requires an argument
instead of the cryptic message we emitted previously.
Additional benefit is that it's now 23 bytes smaller.

Add TODO to add '-exec {} +' support

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/findutils/find.c b/findutils/find.c
index 4bc3b38dc..f45abbe36 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -674,10 +674,14 @@ static action*** parse_params(char **argv)
                         ap->exec_argv = ++argv; /* first arg after -exec */
                         ap->exec_argc = 0;
                         while (1) {
-                                if (!*argv) /* did not see ';' until end */
-                                        bb_error_msg_and_die("-exec CMD must end by ';'");
+                                if (!*argv) /* did not see ';' or '+' until end */
+                                        bb_error_msg_and_die(bb_msg_requires_arg, "-exec");
                                 if (LONE_CHAR(argv[0], ';'))
                                         break;
+                                //TODO: implement {} + (like xargs)
+                                // See:
+                                // find findutils/ -exec echo ">"{}"<" \;
+                                // find findutils/ -exec echo ">"{}"<" +
                                 argv++;
                                 ap->exec_argc++;
                         }