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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/vis/vis.c	Lines:	0	74	0.0 %
Date:	2017-11-13	Branches:	0	56	0.0 %


/*	$OpenBSD: vis.c,v 1.20 2016/08/31 09:45:00 jsg Exp $	*/
/*	$NetBSD: vis.c,v 1.4 1994/12/20 16:13:03 jtc Exp $	*/

/*-
 * 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.
 * 3. 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#include <err.h>
#include <vis.h>

int eflags, fold, foldwidth=80, none, markeol;

#ifdef DEBUG
int debug;
#endif

int foldit(char *, int, int);
void process(FILE *);
__dead void usage(void);

int
main(int argc, char *argv[])
{
	const char *errstr;
	FILE *fp;
	int ch;

	if (pledge("stdio rpath flock cpath wpath", NULL) == -1)
		err(1, "pledge");

	while ((ch = getopt(argc, argv, "anwctsobfF:ld")) != -1)
		switch(ch) {
		case 'a':
			eflags |= VIS_ALL;
			break;
		case 'n':
			none = 1;
			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':
			foldwidth = strtonum(optarg, 1, INT_MAX, &errstr);
			if (errstr)
				errx(1, "%s: %s", optarg, errstr);
			if (foldwidth < 5)
				errx(1, "can't fold lines to less than 5 cols");
			/*FALLTHROUGH*/
		case 'f':
			fold = 1;	/* fold output lines to 80 cols */
			break;		/* using hidden newline */
		case 'l':
			markeol = 1;	/* mark end of line with \$ */
			break;
#ifdef DEBUG
		case 'd':
			debug = 1;
			break;
#endif
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (*argv)
		while (*argv) {
			if ((fp=fopen(*argv, "r")) != NULL) {
				process(fp);
				fclose(fp);
			} else
				warn("%s", *argv);
			argv++;
		}
	else {
		if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
			err(1, "pledge");
		process(stdin);
	}
	exit(0);
}

void
process(FILE *fp)
{
	static int col = 0;
	char *cp = "\0"+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");
}

__dead void
usage(void)
{
	extern char *__progname;

	fprintf(stderr, "usage: %s [-abcflnostw] [-F foldwidth] [file ...]\n",
	    __progname);
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: vis.c,v 1.20 2016/08/31 09:45:00 jsg Exp $ */
2			/* $NetBSD: vis.c,v 1.4 1994/12/20 16:13:03 jtc Exp $ */
3
4			/*-
5			* Copyright (c) 1989, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			#include <stdio.h>
34			#include <string.h>
35			#include <stdlib.h>
36			#include <unistd.h>
37			#include <limits.h>
38			#include <err.h>
39			#include <vis.h>
40
41			int eflags, fold, foldwidth=80, none, markeol;
42
43			#ifdef DEBUG
44			int debug;
45			#endif
46
47			int foldit(char *, int, int);
48			void process(FILE *);
49			__dead void usage(void);
50
51			int
52			main(int argc, char *argv[])
53			{
54			const char *errstr;
55			FILE *fp;
56			int ch;
57
58			if (pledge("stdio rpath flock cpath wpath", NULL) == -1)
59			err(1, "pledge");
60
61			while ((ch = getopt(argc, argv, "anwctsobfF:ld")) != -1)
62			switch(ch) {
63			case 'a':
64			eflags \|= VIS_ALL;
65			break;
66			case 'n':
67			none = 1;
68			break;
69			case 'w':
70			eflags \|= VIS_WHITE;
71			break;
72			case 'c':
73			eflags \|= VIS_CSTYLE;
74			break;
75			case 't':
76			eflags \|= VIS_TAB;
77			break;
78			case 's':
79			eflags \|= VIS_SAFE;
80			break;
81			case 'o':
82			eflags \|= VIS_OCTAL;
83			break;
84			case 'b':
85			eflags \|= VIS_NOSLASH;
86			break;
87			case 'F':
88			foldwidth = strtonum(optarg, 1, INT_MAX, &errstr);
89			if (errstr)
90			errx(1, "%s: %s", optarg, errstr);
91			if (foldwidth < 5)
92			errx(1, "can't fold lines to less than 5 cols");
93			/FALLTHROUGH/
94			case 'f':
95			fold = 1; /* fold output lines to 80 cols */
96			break; /* using hidden newline */
97			case 'l':
98			markeol = 1; /* mark end of line with \$ */
99			break;
100			#ifdef DEBUG
101			case 'd':
102			debug = 1;
103			break;
104			#endif
105			case '?':
106			default:
107			usage();
108			}
109			argc -= optind;
110			argv += optind;
111
112			if (*argv)
113			while (*argv) {
114			if ((fp=fopen(*argv, "r")) != NULL) {
115			process(fp);
116			fclose(fp);
117			} else
118			warn("%s", *argv);
119			argv++;
120			}
121			else {
122			if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
123			err(1, "pledge");
124			process(stdin);
125			}
126			exit(0);
127			}
128
129			void
130			process(FILE *fp)
131			{
132			static int col = 0;
133			char cp = "\0"+1; / so (cp-1) starts out != '\n' /
134			int c, rachar;
135			char buff[5];
136
137			c = getc(fp);
138			while (c != EOF) {
139			rachar = getc(fp);
140			if (none) {
141			cp = buff;
142			*cp++ = c;
143			if (c == '\\')
144			*cp++ = '\\';
145			*cp = '\0';
146			} else if (markeol && c == '\n') {
147			cp = buff;
148			if ((eflags & VIS_NOSLASH) == 0)
149			*cp++ = '\\';
150			*cp++ = '$';
151			*cp++ = '\n';
152			*cp = '\0';
153			} else
154			(void) vis(buff, (char)c, eflags, (char)rachar);
155
156			cp = buff;
157			if (fold) {
158			#ifdef DEBUG
159			if (debug)
160			printf("<%02d,", col);
161			#endif
162			col = foldit(cp, col, foldwidth);
163			#ifdef DEBUG
164			if (debug)
165			printf("%02d>", col);
166			#endif
167			}
168			do {
169			putchar(*cp);
170			} while (*++cp);
171			c = rachar;
172			}
173			/*
174			* terminate partial line with a hidden newline
175			*/
176			if (fold && *(cp-1) != '\n')
177			printf("\\\n");
178			}
179
180			__dead void
181			usage(void)
182			{
183			extern char *__progname;
184
185			fprintf(stderr, "usage: %s [-abcflnostw] [-F foldwidth] [file ...]\n",
186			__progname);
187			exit(1);
188			}