When these options were introduced in d88f94a5df3a2edb8ba56fab5c13674b452f87ab
it provides no config options to compile them out. Now provide one.
Introduce config FEATURE_CATN.
Signed-off-by: Kang-Che Sung
---
coreutils/cat.c | 57 +
1 file changed, 37 insertions(+), 20 deletions(-)
diff --git a/coreutils/cat.c b/coreutils/cat.c
index 4d9147f8a..2510ae501 100644
--- a/coreutils/cat.c
+++ b/coreutils/cat.c
@@ -13,6 +13,13 @@
//config:cat is used to concatenate files and print them to the
standard
//config:output. Enable this option if you wish to enable the 'cat'
utility.
//config:
+//config:config FEATURE_CATN
+//config: bool "Enable -n and -b options"
+//config: default y
+//config: depends on CAT
+//config: help
+//config:-n numbers all output lines while -b numbers nonempty output
lines.
+//config:
//config:config FEATURE_CATV
//config: bool "cat -v[etA]"
//config: default y
@@ -27,12 +34,19 @@
/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */
+//usage:#if ENABLE_FEATURE_CATN || ENABLE_FEATURE_CATV
+//usage:#define cat_trivial_usage
+//usage: "[-" IF_FEATURE_CATN("nb") IF_FEATURE_CATV("vteA") "] [FILE]..."
+//usage:#else
//usage:#define cat_trivial_usage
-//usage: "[-nb"IF_FEATURE_CATV("vteA")"] [FILE]..."
+//usage: "[FILE]..."
+//usage:#endif
//usage:#define cat_full_usage "\n\n"
//usage: "Print FILEs to stdout\n"
+//usage: IF_FEATURE_CATN(
//usage: "\n -n Number output lines"
//usage: "\n -b Number nonempty lines"
+//usage: )
//usage: IF_FEATURE_CATV(
//usage: "\n -v Show nonprinting characters as ^x or M-x"
//usage: "\n -t ...and tabs as ^I"
@@ -147,7 +161,7 @@ int cat_main(int argc UNUSED_PARAM, char **argv)
IF_FEATURE_CATV(opt_complementary = "Aetv"; /* -A == -vet */)
/* -u is ignored ("unbuffered") */
- opts = getopt32(argv, IF_FEATURE_CATV("etvA")"nbu");
+ opts = getopt32(argv, IF_FEATURE_CATV("etvA") IF_FEATURE_CATN("nb")
"u");
argv += optind;
#if ENABLE_FEATURE_CATV
@@ -157,23 +171,26 @@ int cat_main(int argc UNUSED_PARAM, char **argv)
opts >>= 4;
#endif
-#define CAT_OPT_n (1<<0)
-#define CAT_OPT_b (1<<1)
-#define CAT_OPT_u (1<<2)
- if (!(opts & (CAT_OPT_n|CAT_OPT_b))) /* no -n or -b */
- return bb_cat(argv);
+#if ENABLE_FEATURE_CATN
+# define CAT_OPT_n (1<<0)
+# define CAT_OPT_b (1<<1)
+ if (opts & (CAT_OPT_n|CAT_OPT_b)) { /* -n or -b */
+ if (!*argv)
+ *--argv = (char*)"-";
+ ns.width = 6;
+ ns.start = 1;
+ ns.inc = 1;
+ ns.sep = "\t";
+ ns.empty_str = "\n";
+ ns.all = !(opts & CAT_OPT_b); /* -n without -b */
+ ns.nonempty = (opts & CAT_OPT_b); /* -b (with or without -n) */
+ do {
+ print_numbered_lines(, *argv);
+ } while (*++argv);
+ fflush_stdout_and_exit(EXIT_SUCCESS);
+ }
+ opts >>= 2;
+#endif
- if (!*argv)
- *--argv = (char*)"-";
- ns.width = 6;
- ns.start = 1;
- ns.inc = 1;
- ns.sep = "\t";
- ns.empty_str = "\n";
- ns.all = !(opts & CAT_OPT_b); /* -n without -b */
- ns.nonempty = (opts & CAT_OPT_b); /* -b (with or without -n) */
- do {
- print_numbered_lines(, *argv);
- } while (*++argv);
- fflush_stdout_and_exit(EXIT_SUCCESS);
+ return bb_cat(argv);
}
--
2.13.0
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