diff options
Diffstat (limited to 'coreutils/catv.c')
-rw-r--r-- | coreutils/catv.c | 96 |
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); -} |