cut: shorten error messages on bad syntax even more

$ cut -s -b3
cut: -s requires -f or -F
$ cut -d@ -b3
cut: -d DELIM requires -f or -F

function                                             old     new   delta
static.requires_f                                      -      19     +19
static._op_on_field                                   32       -     -32
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/0 up/down: 19/-32)            Total: -13 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 10 deletions

diff --git a/coreutils/cut.c b/coreutils/cut.c
index af2fd9fd4..74a704c8f 100644
--- a/coreutils/cut.c
+++ b/coreutils/cut.c
@@ -330,16 +330,12 @@ int cut_main(int argc UNUSED_PARAM, char **argv)
 
         /* non-field (char or byte) cutting has some special handling */
         if (!(opt & (OPT_FIELDS|OPT_REGEX))) {
-                static const char _op_on_field[] ALIGN1 = " makes sense only with -f"IF_FEATURE_CUT_REGEX(" or -F");
-
-                if (opt & OPT_SUPPRESS) {
-                        bb_error_msg_and_die
-                                ("-s%s", _op_on_field);
-                }
-                if (opt & OPT_DELIM) {
-                        bb_error_msg_and_die
-                                ("-d DELIM%s", _op_on_field);
-                }
+                static const char requires_f[] ALIGN1 = " requires -f"
+                                        IF_FEATURE_CUT_REGEX(" or -F");
+                if (opt & OPT_SUPPRESS)
+                        bb_error_msg_and_die("-s%s", requires_f);
+                if (opt & OPT_DELIM)
+                        bb_error_msg_and_die("-d DELIM%s", requires_f);
         }
 
         /*