From 677c1b5b4051288a75db1ec24ce38f0067ca80af Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Tue, 23 Dec 2014 13:29:47 -0600 Subject: Merge catv back into cat as discussed on the list. Add comments about infrastructure upgrades needed to restore separate catv option. --- toys/other/catv.c | 67 ------------------------------------------------------- 1 file changed, 67 deletions(-) delete mode 100644 toys/other/catv.c (limited to 'toys/other') diff --git a/toys/other/catv.c b/toys/other/catv.c deleted file mode 100644 index 62520c41..00000000 --- a/toys/other/catv.c +++ /dev/null @@ -1,67 +0,0 @@ -/* cat -v implementation for toybox - * - * Copyright (C) 2006, 2007 Rob Landley - * - * See "Cat -v considered harmful" at - * http://cm.bell-labs.com/cm/cs/doc/84/kp.ps.gz - -USE_CATV(NEWTOY(catv, "vte", TOYFLAG_USR|TOYFLAG_BIN)) - -config CATV - bool "catv" - default y - help - usage: catv [-evt] [filename...] - - Display nonprinting characters as escape sequences. Use M-x for - high ascii characters (>127), and ^x for other nonprinting chars. - - -e Mark each newline with $ - -t Show tabs as ^I - -v Don't use ^x or M-x escapes. -*/ - -#define FOR_catv -#include "toys.h" - -// Callback function for loopfiles() - -static void do_catv(int fd, char *name) -{ - for(;;) { - int i, len; - - len = read(fd, toybuf, sizeof(toybuf)); - if (len < 0) toys.exitval = EXIT_FAILURE; - if (len < 1) break; - for (i=0; i 126 && (toys.optflags & FLAG_v)) { - if (c > 127) { - printf("M-"); - c -= 128; - } - if (c == 127) { - printf("^?"); - continue; - } - } - if (c < 32) { - if (c == 10) { - if (toys.optflags & FLAG_e) xputc('$'); - } else if (toys.optflags & (c==9 ? FLAG_t : FLAG_v)) { - printf("^%c", c+'@'); - continue; - } - } - xputc(c); - } - } -} - -void catv_main(void) -{ - toys.optflags ^= FLAG_v; - loopfiles(toys.optargs, do_catv); -} -- cgit v1.2.3