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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/vi/build/../common/options_f.c	Lines:	0	78	0.0 %
Date:	2017-11-13	Branches:	0	62	0.0 %


/*	$OpenBSD: options_f.c,v 1.12 2017/07/03 07:01:14 bentley Exp $	*/

/*-
 * Copyright (c) 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 * Copyright (c) 1993, 1994, 1995, 1996
 *	Keith Bostic.  All rights reserved.
 *
 * See the LICENSE file for redistribution information.
 */

#include "config.h"

#include <sys/types.h>
#include <sys/queue.h>
#include <sys/stat.h>

#include <bitstring.h>
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "common.h"

/*
 * PUBLIC: int f_altwerase(SCR *, OPTION *, char *, u_long *);
 */
int
f_altwerase(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	if (!*valp)
		O_CLR(sp, O_TTYWERASE);
	return (0);
}

/*
 * PUBLIC: int f_columns(SCR *, OPTION *, char *, u_long *);
 */
int
f_columns(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	/* Validate the number. */
	if (*valp < MINIMUM_SCREEN_COLS) {
		msgq(sp, M_ERR, "Screen columns too small, less than %d",
		    MINIMUM_SCREEN_COLS);
		return (1);
	}

	/*
	 * !!!
	 * It's not uncommon for allocation of huge chunks of memory to cause
	 * core dumps on various systems.  So, we prune out numbers that are
	 * "obviously" wrong.  Vi will not work correctly if it has the wrong
	 * number of lines/columns for the screen, but at least we don't drop
	 * core.
	 */
#define	MAXIMUM_SCREEN_COLS	768
	if (*valp > MAXIMUM_SCREEN_COLS) {
		msgq(sp, M_ERR, "Screen columns too large, greater than %d",
		    MAXIMUM_SCREEN_COLS);
		return (1);
	}
	return (0);
}

/*
 * PUBLIC: int f_lines(SCR *, OPTION *, char *, u_long *);
 */
int
f_lines(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	/* Validate the number. */
	if (*valp < MINIMUM_SCREEN_ROWS) {
		msgq(sp, M_ERR, "Screen lines too small, less than %d",
		    MINIMUM_SCREEN_ROWS);
		return (1);
	}

	/*
	 * !!!
	 * It's not uncommon for allocation of huge chunks of memory to cause
	 * core dumps on various systems.  So, we prune out numbers that are
	 * "obviously" wrong.  Vi will not work correctly if it has the wrong
	 * number of lines/columns for the screen, but at least we don't drop
	 * core.
	 */
#define	MAXIMUM_SCREEN_ROWS	500
	if (*valp > MAXIMUM_SCREEN_ROWS) {
		msgq(sp, M_ERR, "Screen lines too large, greater than %d",
		    MAXIMUM_SCREEN_ROWS);
		return (1);
	}

	/*
	 * Set the value, and the related scroll value.  If no window
	 * value set, set a new default window.
	 */
	o_set(sp, O_LINES, 0, NULL, *valp);
	if (*valp == 1) {
		sp->defscroll = 1;

		if (O_VAL(sp, O_WINDOW) == O_D_VAL(sp, O_WINDOW) ||
		    O_VAL(sp, O_WINDOW) > *valp) {
			o_set(sp, O_WINDOW, 0, NULL, 1);
			o_set(sp, O_WINDOW, OS_DEF, NULL, 1);
		}
	} else {
		sp->defscroll = (*valp - 1) / 2;

		if (O_VAL(sp, O_WINDOW) == O_D_VAL(sp, O_WINDOW) ||
		    O_VAL(sp, O_WINDOW) > *valp) {
			o_set(sp, O_WINDOW, 0, NULL, *valp - 1);
			o_set(sp, O_WINDOW, OS_DEF, NULL, *valp - 1);
		}
	}
	return (0);
}

/*
 * PUBLIC: int f_paragraph(SCR *, OPTION *, char *, u_long *);
 */
int
f_paragraph(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	if (strlen(str) & 1) {
		msgq(sp, M_ERR,
		    "The paragraph option must be in two character groups");
		return (1);
	}
	return (0);
}

/*
 * PUBLIC: int f_print(SCR *, OPTION *, char *, u_long *);
 */
int
f_print(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	/* Reinitialize the key fast lookup table. */
	v_key_ilookup(sp);

	/* Reformat the screen. */
	F_SET(sp, SC_SCR_REFORMAT);
	return (0);
}

/*
 * PUBLIC: int f_readonly(SCR *, OPTION *, char *, u_long *);
 */
int
f_readonly(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	/*
	 * !!!
	 * See the comment in exf.c.
	 */
	if (*valp)
		F_CLR(sp, SC_READONLY);
	else
		F_SET(sp, SC_READONLY);
	return (0);
}

/*
 * PUBLIC: int f_recompile(SCR *, OPTION *, char *, u_long *);
 */
int
f_recompile(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	if (F_ISSET(sp, SC_RE_SEARCH)) {
		regfree(&sp->re_c);
		F_CLR(sp, SC_RE_SEARCH);
	}
	if (F_ISSET(sp, SC_RE_SUBST)) {
		regfree(&sp->subre_c);
		F_CLR(sp, SC_RE_SUBST);
	}
	return (0);
}

/*
 * PUBLIC: int f_reformat(SCR *, OPTION *, char *, u_long *);
 */
int
f_reformat(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	F_SET(sp, SC_SCR_REFORMAT);
	return (0);
}

/*
 * PUBLIC: int f_section(SCR *, OPTION *, char *, u_long *);
 */
int
f_section(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	if (strlen(str) & 1) {
		msgq(sp, M_ERR,
		    "The section option must be in two character groups");
		return (1);
	}
	return (0);
}

/*
 * PUBLIC: int f_ttywerase(SCR *, OPTION *, char *, u_long *);
 */
int
f_ttywerase(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	if (!*valp)
		O_CLR(sp, O_ALTWERASE);
	return (0);
}

/*
 * PUBLIC: int f_w300(SCR *, OPTION *, char *, u_long *);
 */
int
f_w300(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	u_long v;

	/* Historical behavior for w300 was < 1200. */
	if (sp->gp->scr_baud(sp, &v))
		return (1);
	if (v >= 1200)
		return (0);

	return (f_window(sp, op, str, valp));
}

/*
 * PUBLIC: int f_w1200(SCR *, OPTION *, char *, u_long *);
 */
int
f_w1200(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	u_long v;

	/* Historical behavior for w1200 was == 1200. */
	if (sp->gp->scr_baud(sp, &v))
		return (1);
	if (v < 1200 || v > 4800)
		return (0);

	return (f_window(sp, op, str, valp));
}

/*
 * PUBLIC: int f_w9600(SCR *, OPTION *, char *, u_long *);
 */
int
f_w9600(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	u_long v;

	/* Historical behavior for w9600 was > 1200. */
	if (sp->gp->scr_baud(sp, &v))
		return (1);
	if (v <= 4800)
		return (0);

	return (f_window(sp, op, str, valp));
}

/*
 * PUBLIC: int f_window(SCR *, OPTION *, char *, u_long *);
 */
int
f_window(SCR *sp, OPTION *op, char *str, u_long *valp)
{
	if (*valp >= O_VAL(sp, O_LINES) - 1 &&
	    (*valp = O_VAL(sp, O_LINES) - 1) == 0)
		*valp = 1;
	return (0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: options_f.c,v 1.12 2017/07/03 07:01:14 bentley Exp $ */
2
3			/*-
4			* Copyright (c) 1993, 1994
5			* The Regents of the University of California. All rights reserved.
6			* Copyright (c) 1993, 1994, 1995, 1996
7			* Keith Bostic. All rights reserved.
8			*
9			* See the LICENSE file for redistribution information.
10			*/
11
12			#include "config.h"
13
14			#include <sys/types.h>
15			#include <sys/queue.h>
16			#include <sys/stat.h>
17
18			#include <bitstring.h>
19			#include <ctype.h>
20			#include <errno.h>
21			#include <limits.h>
22			#include <stdio.h>
23			#include <stdlib.h>
24			#include <string.h>
25			#include <unistd.h>
26
27			#include "common.h"
28
29			/*
30			* PUBLIC: int f_altwerase(SCR , OPTION , char , u_long );
31			*/
32			int
33			f_altwerase(SCR sp, OPTION op, char str, u_long valp)
34			{
35			if (!*valp)
36			O_CLR(sp, O_TTYWERASE);
37			return (0);
38			}
39
40			/*
41			* PUBLIC: int f_columns(SCR , OPTION , char , u_long );
42			*/
43			int
44			f_columns(SCR sp, OPTION op, char str, u_long valp)
45			{
46			/* Validate the number. */
47			if (*valp < MINIMUM_SCREEN_COLS) {
48			msgq(sp, M_ERR, "Screen columns too small, less than %d",
49			MINIMUM_SCREEN_COLS);
50			return (1);
51			}
52
53			/*
54			* !!!
55			* It's not uncommon for allocation of huge chunks of memory to cause
56			* core dumps on various systems. So, we prune out numbers that are
57			* "obviously" wrong. Vi will not work correctly if it has the wrong
58			* number of lines/columns for the screen, but at least we don't drop
59			* core.
60			*/
61			#define MAXIMUM_SCREEN_COLS 768
62			if (*valp > MAXIMUM_SCREEN_COLS) {
63			msgq(sp, M_ERR, "Screen columns too large, greater than %d",
64			MAXIMUM_SCREEN_COLS);
65			return (1);
66			}
67			return (0);
68			}
69
70			/*
71			* PUBLIC: int f_lines(SCR , OPTION , char , u_long );
72			*/
73			int
74			f_lines(SCR sp, OPTION op, char str, u_long valp)
75			{
76			/* Validate the number. */
77			if (*valp < MINIMUM_SCREEN_ROWS) {
78			msgq(sp, M_ERR, "Screen lines too small, less than %d",
79			MINIMUM_SCREEN_ROWS);
80			return (1);
81			}
82
83			/*
84			* !!!
85			* It's not uncommon for allocation of huge chunks of memory to cause
86			* core dumps on various systems. So, we prune out numbers that are
87			* "obviously" wrong. Vi will not work correctly if it has the wrong
88			* number of lines/columns for the screen, but at least we don't drop
89			* core.
90			*/
91			#define MAXIMUM_SCREEN_ROWS 500
92			if (*valp > MAXIMUM_SCREEN_ROWS) {
93			msgq(sp, M_ERR, "Screen lines too large, greater than %d",
94			MAXIMUM_SCREEN_ROWS);
95			return (1);
96			}
97
98			/*
99			* Set the value, and the related scroll value. If no window
100			* value set, set a new default window.
101			*/
102			o_set(sp, O_LINES, 0, NULL, *valp);
103			if (*valp == 1) {
104			sp->defscroll = 1;
105
106			if (O_VAL(sp, O_WINDOW) == O_D_VAL(sp, O_WINDOW) \|\|
107			O_VAL(sp, O_WINDOW) > *valp) {
108			o_set(sp, O_WINDOW, 0, NULL, 1);
109			o_set(sp, O_WINDOW, OS_DEF, NULL, 1);
110			}
111			} else {
112			sp->defscroll = (*valp - 1) / 2;
113
114			if (O_VAL(sp, O_WINDOW) == O_D_VAL(sp, O_WINDOW) \|\|
115			O_VAL(sp, O_WINDOW) > *valp) {
116			o_set(sp, O_WINDOW, 0, NULL, *valp - 1);
117			o_set(sp, O_WINDOW, OS_DEF, NULL, *valp - 1);
118			}
119			}
120			return (0);
121			}
122
123			/*
124			* PUBLIC: int f_paragraph(SCR , OPTION , char , u_long );
125			*/
126			int
127			f_paragraph(SCR sp, OPTION op, char str, u_long valp)
128			{
129			if (strlen(str) & 1) {
130			msgq(sp, M_ERR,
131			"The paragraph option must be in two character groups");
132			return (1);
133			}
134			return (0);
135			}
136
137			/*
138			* PUBLIC: int f_print(SCR , OPTION , char , u_long );
139			*/
140			int
141			f_print(SCR sp, OPTION op, char str, u_long valp)
142			{
143			/* Reinitialize the key fast lookup table. */
144			v_key_ilookup(sp);
145
146			/* Reformat the screen. */
147			F_SET(sp, SC_SCR_REFORMAT);
148			return (0);
149			}
150
151			/*
152			* PUBLIC: int f_readonly(SCR , OPTION , char , u_long );
153			*/
154			int
155			f_readonly(SCR sp, OPTION op, char str, u_long valp)
156			{
157			/*
158			* !!!
159			* See the comment in exf.c.
160			*/
161			if (*valp)
162			F_CLR(sp, SC_READONLY);
163			else
164			F_SET(sp, SC_READONLY);
165			return (0);
166			}
167
168			/*
169			* PUBLIC: int f_recompile(SCR , OPTION , char , u_long );
170			*/
171			int
172			f_recompile(SCR sp, OPTION op, char str, u_long valp)
173			{
174			if (F_ISSET(sp, SC_RE_SEARCH)) {
175			regfree(&sp->re_c);
176			F_CLR(sp, SC_RE_SEARCH);
177			}
178			if (F_ISSET(sp, SC_RE_SUBST)) {
179			regfree(&sp->subre_c);
180			F_CLR(sp, SC_RE_SUBST);
181			}
182			return (0);
183			}
184
185			/*
186			* PUBLIC: int f_reformat(SCR , OPTION , char , u_long );
187			*/
188			int
189			f_reformat(SCR sp, OPTION op, char str, u_long valp)
190			{
191			F_SET(sp, SC_SCR_REFORMAT);
192			return (0);
193			}
194
195			/*
196			* PUBLIC: int f_section(SCR , OPTION , char , u_long );
197			*/
198			int
199			f_section(SCR sp, OPTION op, char str, u_long valp)
200			{
201			if (strlen(str) & 1) {
202			msgq(sp, M_ERR,
203			"The section option must be in two character groups");
204			return (1);
205			}
206			return (0);
207			}
208
209			/*
210			* PUBLIC: int f_ttywerase(SCR , OPTION , char , u_long );
211			*/
212			int
213			f_ttywerase(SCR sp, OPTION op, char str, u_long valp)
214			{
215			if (!*valp)
216			O_CLR(sp, O_ALTWERASE);
217			return (0);
218			}
219
220			/*
221			* PUBLIC: int f_w300(SCR , OPTION , char , u_long );
222			*/
223			int
224			f_w300(SCR sp, OPTION op, char str, u_long valp)
225			{
226			u_long v;
227
228			/* Historical behavior for w300 was < 1200. */
229			if (sp->gp->scr_baud(sp, &v))
230			return (1);
231			if (v >= 1200)
232			return (0);
233
234			return (f_window(sp, op, str, valp));
235			}
236
237			/*
238			* PUBLIC: int f_w1200(SCR , OPTION , char , u_long );
239			*/
240			int
241			f_w1200(SCR sp, OPTION op, char str, u_long valp)
242			{
243			u_long v;
244
245			/* Historical behavior for w1200 was == 1200. */
246			if (sp->gp->scr_baud(sp, &v))
247			return (1);
248			if (v < 1200 \|\| v > 4800)
249			return (0);
250
251			return (f_window(sp, op, str, valp));
252			}
253
254			/*
255			* PUBLIC: int f_w9600(SCR , OPTION , char , u_long );
256			*/
257			int
258			f_w9600(SCR sp, OPTION op, char str, u_long valp)
259			{
260			u_long v;
261
262			/* Historical behavior for w9600 was > 1200. */
263			if (sp->gp->scr_baud(sp, &v))
264			return (1);
265			if (v <= 4800)
266			return (0);
267
268			return (f_window(sp, op, str, valp));
269			}
270
271			/*
272			* PUBLIC: int f_window(SCR , OPTION , char , u_long );
273			*/
274			int
275			f_window(SCR sp, OPTION op, char str, u_long valp)
276			{
277			if (*valp >= O_VAL(sp, O_LINES) - 1 &&
278			(*valp = O_VAL(sp, O_LINES) - 1) == 0)
279			*valp = 1;
280			return (0);
281			}