diff options
Diffstat (limited to 'usr.bin/vis/vis.c')
| -rw-r--r-- | usr.bin/vis/vis.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/usr.bin/vis/vis.c b/usr.bin/vis/vis.c deleted file mode 100644 index 71b6404..0000000 --- a/usr.bin/vis/vis.c +++ /dev/null @@ -1,189 +0,0 @@ -/*- - * Copyright (c) 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> - -__FBSDID("$FreeBSD$"); - -#ifndef lint -static const char copyright[] = -"@(#) Copyright (c) 1989, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif - -#ifndef lint -static const char sccsid[] = "@(#)vis.c 8.1 (Berkeley) 6/6/93"; -#endif - -#include <err.h> -#include <locale.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <vis.h> - -#include "extern.h" - -static int eflags, fold, foldwidth = 80, none, markeol; -#ifdef DEBUG -static int debug; -#endif - -static void process(FILE *); -static void usage(void); - -int -main(int argc, char *argv[]) -{ - FILE *fp; - int ch; - - (void) setlocale(LC_CTYPE, ""); - - while ((ch = getopt(argc, argv, "nwctsobfF:ld")) != -1) - switch((char)ch) { - case 'n': - none++; - break; - case 'w': - eflags |= VIS_WHITE; - break; - case 'c': - eflags |= VIS_CSTYLE; - break; - case 't': - eflags |= VIS_TAB; - break; - case 's': - eflags |= VIS_SAFE; - break; - case 'o': - eflags |= VIS_OCTAL; - break; - case 'b': - eflags |= VIS_NOSLASH; - break; - case 'F': - if ((foldwidth = atoi(optarg))<5) - errx(1, "can't fold lines to less than 5 cols"); - /*FALLTHROUGH*/ - case 'f': - fold++; /* fold output lines to 80 cols */ - break; /* using hidden newline */ - case 'l': - markeol++; /* mark end of line with \$ */ - break; -#ifdef DEBUG - case 'd': - debug++; - break; -#endif - case '?': - default: - usage(); - } - argc -= optind; - argv += optind; - - if (*argv) - while (*argv) { - if ((fp=fopen(*argv, "r")) != NULL) - process(fp); - else - warn("%s", *argv); - argv++; - } - else - process(stdin); - exit(0); -} - - -static void -usage(void) -{ -#ifdef DEBUG - fprintf(stderr, "usage: vis [-cbflnostwd] [-F foldwidth] [file ...]\n"); -#else - fprintf(stderr, "usage: vis [-cbflnostw] [-F foldwidth] [file ...]\n"); -#endif - exit(1); -} - -static void -process(FILE *fp) -{ - static int col = 0; - static char dummy[] = "\0"; - char *cp = dummy+1; /* so *(cp-1) starts out != '\n' */ - int c, rachar; - char buff[5]; - - c = getc(fp); - while (c != EOF) { - rachar = getc(fp); - if (none) { - cp = buff; - *cp++ = c; - if (c == '\\') - *cp++ = '\\'; - *cp = '\0'; - } else if (markeol && c == '\n') { - cp = buff; - if ((eflags & VIS_NOSLASH) == 0) - *cp++ = '\\'; - *cp++ = '$'; - *cp++ = '\n'; - *cp = '\0'; - } else - (void) vis(buff, (char)c, eflags, (char)rachar); - - cp = buff; - if (fold) { -#ifdef DEBUG - if (debug) - printf("<%02d,", col); -#endif - col = foldit(cp, col, foldwidth); -#ifdef DEBUG - if (debug) - printf("%02d>", col); -#endif - } - do { - putchar(*cp); - } while (*++cp); - c = rachar; - } - /* - * terminate partial line with a hidden newline - */ - if (fold && *(cp-1) != '\n') - printf("\\\n"); -} |
