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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	bin/ed/glbl.c	Lines:	0	87	0.0 %
Date:	2017-11-13	Branches:	0	118	0.0 %


/*	$OpenBSD: glbl.c,v 1.19 2017/04/26 21:25:43 naddy Exp $	*/
/*	$NetBSD: glbl.c,v 1.2 1995/03/21 09:04:41 cgd Exp $	*/

/* glob.c: This file contains the global command routines for the ed line
   editor */
/*-
 * Copyright (c) 1993 Andrew Moore, Talke Studio.
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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/ioctl.h>
#include <sys/wait.h>

#include <regex.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "ed.h"

static int set_active_node(line_t *);
static line_t *next_active_node(void);

/* build_active_list:  add line matching a pattern to the global-active list */
int
build_active_list(int isgcmd)
{
	regex_t *pat;
	line_t *lp;
	int n;
	char *s;
	char delimiter;

	if ((delimiter = *ibufp) == ' ' || delimiter == '\n') {
		seterrmsg("invalid pattern delimiter");
		return ERR;
	} else if ((pat = get_compiled_pattern()) == NULL)
		return ERR;
	else if (*ibufp == delimiter)
		ibufp++;
	clear_active_list();
	lp = get_addressed_line_node(first_addr);
	for (n = first_addr; n <= second_addr; n++, lp = lp->q_forw) {
		if ((s = get_sbuf_line(lp)) == NULL)
			return ERR;
		if (isbinary)
			NUL_TO_NEWLINE(s, lp->len);
		if ((!regexec(pat, s, 0, NULL, 0)) == isgcmd &&
		    set_active_node(lp) < 0)
			return ERR;
	}
	return 0;
}


/* exec_global: apply command list in the command buffer to the active
   lines in a range; return command status */
int
exec_global(int interact, int gflag)
{
	static char *ocmd = NULL;
	static int ocmdsz = 0;

	line_t *lp = NULL;
	int status;
	int n;
	char *cmd = NULL;

#ifdef BACKWARDS
	if (!interact) {
		if (!strcmp(ibufp, "\n"))
			cmd = "p\n";		/* null cmd-list == `p' */
		else if ((cmd = get_extended_line(&n, 0)) == NULL)
			return ERR;
	}
#else
	if (!interact && (cmd = get_extended_line(&n, 0)) == NULL)
		return ERR;
#endif
	clear_undo_stack();
	while ((lp = next_active_node()) != NULL) {
		if ((current_addr = get_line_node_addr(lp)) < 0)
			return ERR;
		if (interact) {
			/* print current_addr; get a command in global syntax */
			if (display_lines(current_addr, current_addr, gflag) < 0)
				return ERR;
			while ((n = get_tty_line()) > 0 &&
			    ibuf[n - 1] != '\n')
				clearerr(stdin);
			if (n < 0)
				return ERR;
			else if (n == 0) {
				seterrmsg("unexpected end-of-file");
				return ERR;
			} else if (n == 1 && !strcmp(ibuf, "\n"))
				continue;
			else if (n == 2 && !strcmp(ibuf, "&\n")) {
				if (cmd == NULL) {
					seterrmsg("no previous command");
					return ERR;
				} else cmd = ocmd;
			} else if ((cmd = get_extended_line(&n, 0)) == NULL)
				return ERR;
			else {
				REALLOC(ocmd, ocmdsz, n + 1, ERR);
				memcpy(ocmd, cmd, n + 1);
				cmd = ocmd;
			}

		}
		ibufp = cmd;
		for (; *ibufp;)
			if ((status = extract_addr_range()) < 0 ||
			    (status = exec_command()) < 0 ||
			    (status > 0 && (status = display_lines(
			    current_addr, current_addr, status)) < 0))
				return status;
	}
	return 0;
}


static line_t **active_list;	/* list of lines active in a global command */
static int active_last;		/* index of last active line in active_list */
static int active_size;		/* size of active_list */
static int active_ptr;		/* active_list index (non-decreasing) */
static int active_ndx;		/* active_list index (modulo active_last) */

/* set_active_node: add a line node to the global-active list */
static int
set_active_node(line_t *lp)
{
	if (active_last + 1 > active_size) {
		int ti = active_size;
		line_t **ts;
		SPL1();
		if ((ts = reallocarray(active_list,
		    (ti += MINBUFSZ), sizeof(line_t **))) == NULL) {
			perror(NULL);
			seterrmsg("out of memory");
			SPL0();
			return ERR;
		}
		active_size = ti;
		active_list = ts;
		SPL0();
	}
	active_list[active_last++] = lp;
	return 0;
}


/* unset_active_nodes: remove a range of lines from the global-active list */
void
unset_active_nodes(line_t *np, line_t *mp)
{
	line_t *lp;
	int i;

	for (lp = np; lp != mp; lp = lp->q_forw)
		for (i = 0; i < active_last; i++)
			if (active_list[active_ndx] == lp) {
				active_list[active_ndx] = NULL;
				active_ndx = INC_MOD(active_ndx, active_last - 1);
				break;
			} else	active_ndx = INC_MOD(active_ndx, active_last - 1);
}


/* next_active_node: return the next global-active line node */
static line_t *
next_active_node(void)
{
	while (active_ptr < active_last && active_list[active_ptr] == NULL)
		active_ptr++;
	return (active_ptr < active_last) ? active_list[active_ptr++] : NULL;
}


/* clear_active_list: clear the global-active list */
void
clear_active_list(void)
{
	SPL1();
	active_size = active_last = active_ptr = active_ndx = 0;
	free(active_list);
	active_list = NULL;
	SPL0();
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: glbl.c,v 1.19 2017/04/26 21:25:43 naddy Exp $ */
2			/* $NetBSD: glbl.c,v 1.2 1995/03/21 09:04:41 cgd Exp $ */
3
4			/* glob.c: This file contains the global command routines for the ed line
5			editor */
6			/*-
7			* Copyright (c) 1993 Andrew Moore, Talke Studio.
8			* All rights reserved.
9			*
10			* Redistribution and use in source and binary forms, with or without
11			* modification, are permitted provided that the following conditions
12			* are met:
13			* 1. Redistributions of source code must retain the above copyright
14			* notice, this list of conditions and the following disclaimer.
15			* 2. Redistributions in binary form must reproduce the above copyright
16			* notice, this list of conditions and the following disclaimer in the
17			* documentation and/or other materials provided with the distribution.
18			*
19			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29			* SUCH DAMAGE.
30			*/
31
32			#include <sys/ioctl.h>
33			#include <sys/wait.h>
34
35			#include <regex.h>
36			#include <signal.h>
37			#include <stdio.h>
38			#include <stdlib.h>
39			#include <string.h>
40
41			#include "ed.h"
42
43			static int set_active_node(line_t *);
44			static line_t *next_active_node(void);
45
46			/* build_active_list: add line matching a pattern to the global-active list */
47			int
48			build_active_list(int isgcmd)
49			{
50			regex_t *pat;
51			line_t *lp;
52			int n;
53			char *s;
54			char delimiter;
55
56			if ((delimiter = *ibufp) == ' ' \|\| delimiter == '\n') {
57			seterrmsg("invalid pattern delimiter");
58			return ERR;
59			} else if ((pat = get_compiled_pattern()) == NULL)
60			return ERR;
61			else if (*ibufp == delimiter)
62			ibufp++;
63			clear_active_list();
64			lp = get_addressed_line_node(first_addr);
65			for (n = first_addr; n <= second_addr; n++, lp = lp->q_forw) {
66			if ((s = get_sbuf_line(lp)) == NULL)
67			return ERR;
68			if (isbinary)
69			NUL_TO_NEWLINE(s, lp->len);
70			if ((!regexec(pat, s, 0, NULL, 0)) == isgcmd &&
71			set_active_node(lp) < 0)
72			return ERR;
73			}
74			return 0;
75			}
76
77
78			/* exec_global: apply command list in the command buffer to the active
79			lines in a range; return command status */
80			int
81			exec_global(int interact, int gflag)
82			{
83			static char *ocmd = NULL;
84			static int ocmdsz = 0;
85
86			line_t *lp = NULL;
87			int status;
88			int n;
89			char *cmd = NULL;
90
91			#ifdef BACKWARDS
92			if (!interact) {
93			if (!strcmp(ibufp, "\n"))
94			cmd = "p\n"; /* null cmd-list == `p' */
95			else if ((cmd = get_extended_line(&n, 0)) == NULL)
96			return ERR;
97			}
98			#else
99			if (!interact && (cmd = get_extended_line(&n, 0)) == NULL)
100			return ERR;
101			#endif
102			clear_undo_stack();
103			while ((lp = next_active_node()) != NULL) {
104			if ((current_addr = get_line_node_addr(lp)) < 0)
105			return ERR;
106			if (interact) {
107			/* print current_addr; get a command in global syntax */
108			if (display_lines(current_addr, current_addr, gflag) < 0)
109			return ERR;
110			while ((n = get_tty_line()) > 0 &&
111			ibuf[n - 1] != '\n')
112			clearerr(stdin);
113			if (n < 0)
114			return ERR;
115			else if (n == 0) {
116			seterrmsg("unexpected end-of-file");
117			return ERR;
118			} else if (n == 1 && !strcmp(ibuf, "\n"))
119			continue;
120			else if (n == 2 && !strcmp(ibuf, "&\n")) {
121			if (cmd == NULL) {
122			seterrmsg("no previous command");
123			return ERR;
124			} else cmd = ocmd;
125			} else if ((cmd = get_extended_line(&n, 0)) == NULL)
126			return ERR;
127			else {
128			REALLOC(ocmd, ocmdsz, n + 1, ERR);
129			memcpy(ocmd, cmd, n + 1);
130			cmd = ocmd;
131			}
132
133			}
134			ibufp = cmd;
135			for (; *ibufp;)
136			if ((status = extract_addr_range()) < 0 \|\|
137			(status = exec_command()) < 0 \|\|
138			(status > 0 && (status = display_lines(
139			current_addr, current_addr, status)) < 0))
140			return status;
141			}
142			return 0;
143			}
144
145
146			static line_t *active_list; / list of lines active in a global command */
147			static int active_last; /* index of last active line in active_list */
148			static int active_size; /* size of active_list */
149			static int active_ptr; /* active_list index (non-decreasing) */
150			static int active_ndx; /* active_list index (modulo active_last) */
151
152			/* set_active_node: add a line node to the global-active list */
153			static int
154			set_active_node(line_t *lp)
155			{
156			if (active_last + 1 > active_size) {
157			int ti = active_size;
158			line_t **ts;
159			SPL1();
160			if ((ts = reallocarray(active_list,
161			(ti += MINBUFSZ), sizeof(line_t **))) == NULL) {
162			perror(NULL);
163			seterrmsg("out of memory");
164			SPL0();
165			return ERR;
166			}
167			active_size = ti;
168			active_list = ts;
169			SPL0();
170			}
171			active_list[active_last++] = lp;
172			return 0;
173			}
174
175
176			/* unset_active_nodes: remove a range of lines from the global-active list */
177			void
178			unset_active_nodes(line_t np, line_t mp)
179			{
180			line_t *lp;
181			int i;
182
183			for (lp = np; lp != mp; lp = lp->q_forw)
184			for (i = 0; i < active_last; i++)
185			if (active_list[active_ndx] == lp) {
186			active_list[active_ndx] = NULL;
187			active_ndx = INC_MOD(active_ndx, active_last - 1);
188			break;
189			} else active_ndx = INC_MOD(active_ndx, active_last - 1);
190			}
191
192
193			/* next_active_node: return the next global-active line node */
194			static line_t *
195			next_active_node(void)
196			{
197			while (active_ptr < active_last && active_list[active_ptr] == NULL)
198			active_ptr++;
199			return (active_ptr < active_last) ? active_list[active_ptr++] : NULL;
200			}
201
202
203			/* clear_active_list: clear the global-active list */
204			void
205			clear_active_list(void)
206			{
207			SPL1();
208			active_size = active_last = active_ptr = active_ndx = 0;
209			free(active_list);
210			active_list = NULL;
211			SPL0();
212			}