catv: convert this bbox-specific applet into "cat -v"

function                                             old     new   delta
cat_main                                             150     320    +170
packed_usage                                       31511   31552     +41
applet_install_loc                                   190     189      -1
applet_main                                         1516    1512      -4
applet_names                                        2618    2613      -5
catv_main                                            227       -    -227
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 2/3 up/down: 211/-237)          Total: -26 bytes

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

1 files changed, 0 insertions, 96 deletions

diff --git a/coreutils/catv.c b/coreutils/catv.c
deleted file mode 100644
index 1aeebe1..0000000
--- a/coreutils/catv.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * cat -v implementation for busybox
- *
- * Copyright (C) 2006 Rob Landley <rob@landley.net>
- *
- * Licensed under GPLv2 or later, see file LICENSE in this source tree.
- */
-
-/* See "Cat -v considered harmful" at
- * http://cm.bell-labs.com/cm/cs/doc/84/kp.ps.gz */
-
-//config:config CATV
-//config:	bool "catv"
-//config:	default y
-//config:	help
-//config:	  Display nonprinting characters as escape sequences (like some
-//config:	  implementations' cat -v option).
-
-//applet:IF_CATV(APPLET(catv, BB_DIR_BIN, BB_SUID_DROP))
-
-//kbuild:lib-$(CONFIG_CATV) += catv.o
-
-//usage:#define catv_trivial_usage
-//usage:       "[-etv] [FILE]..."
-//usage:#define catv_full_usage "\n\n"
-//usage:       "Display nonprinting characters as ^x or M-x\n"
-//usage:     "\n	-e	End each line with $"
-//usage:     "\n	-t	Show tabs as ^I"
-//usage:     "\n	-v	Don't use ^x or M-x escapes"
-
-#include "libbb.h"
-#include "common_bufsiz.h"
-
-#define CATV_OPT_e (1<<0)
-#define CATV_OPT_t (1<<1)
-#define CATV_OPT_v (1<<2)
-struct BUG_const_mismatch {
-	char BUG_const_mismatch[
-		CATV_OPT_e == VISIBLE_ENDLINE && CATV_OPT_t == VISIBLE_SHOW_TABS
-		? 1 : -1
-	];
-};
-
-int catv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int catv_main(int argc UNUSED_PARAM, char **argv)
-{
-	int retval = EXIT_SUCCESS;
-	int fd;
-	unsigned opts;
-	opts = getopt32(argv, "etv");
-	argv += optind;
-#if 0 /* These consts match, we can just pass "opts" to visible() */
-	if (opts & CATV_OPT_e)
-		flags |= VISIBLE_ENDLINE;
-	if (opts & CATV_OPT_t)
-		flags |= VISIBLE_SHOW_TABS;
-#endif
-
-	/* Read from stdin if there's nothing else to do. */
-	if (!argv[0])
-		*--argv = (char*)"-";
-
-#define read_buf bb_common_bufsiz1
-	setup_common_bufsiz();
-	do {
-		fd = open_or_warn_stdin(*argv);
-		if (fd < 0) {
-			retval = EXIT_FAILURE;
-			continue;
-		}
-		for (;;) {
-			int i, res;
-
-			res = read(fd, read_buf, COMMON_BUFSIZE);
-			if (res < 0)
-				retval = EXIT_FAILURE;
-			if (res <= 0)
-				break;
-			for (i = 0; i < res; i++) {
-				unsigned char c = read_buf[i];
-				if (opts & CATV_OPT_v) {
-					putchar(c);
-				} else {
-					char buf[sizeof("M-^c")];
-					visible(c, buf, opts);
-					fputs(buf, stdout);
-				}
-			}
-		}
-		if (ENABLE_FEATURE_CLEAN_UP && fd)
-			close(fd);
-	} while (*++argv);
-
-	fflush_stdout_and_exit(retval);
-}