Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libedit/el.c	Lines:	63	252	25.0 %
Date:	2017-11-13	Branches:	26	215	12.1 %


/*	$OpenBSD: el.c,v 1.37 2017/04/12 18:24:37 tb Exp $	*/
/*	$NetBSD: el.c,v 1.61 2011/01/27 23:11:40 christos Exp $	*/

/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Christos Zoulas of Cornell University.
 *
 * 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 "config.h"

/*
 * el.c: EditLine interface functions
 */
#include <sys/types.h>
#include <ctype.h>
#include <langinfo.h>
#include <limits.h>
#include <locale.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>

#include "el.h"
#include "parse.h"
#include "read.h"

/* el_init():
 *	Initialize editline and set default parameters.
 */
EditLine *
el_init(const char *prog, FILE *fin, FILE *fout, FILE *ferr)
{
	EditLine *el = (EditLine *) calloc(1, sizeof(EditLine));

	if (el == NULL)
		return NULL;

	el->el_infile = fin;
	el->el_outfile = fout;
	el->el_errfile = ferr;

	el->el_infd = fileno(fin);
	el->el_outfd = fileno(fout);
	el->el_errfd = fileno(ferr);

	el->el_prog = wcsdup(ct_decode_string(prog, &el->el_scratch));
	if (el->el_prog == NULL) {
		free(el);
		return NULL;
	}

	/*
         * Initialize all the modules. Order is important!!!
         */
	el->el_flags = 0;
	if (setlocale(LC_CTYPE, NULL) != NULL){
		if (strcmp(nl_langinfo(CODESET), "UTF-8") == 0)
			el->el_flags |= CHARSET_IS_UTF8;
	}

	if (terminal_init(el) == -1) {
		free(el->el_prog);
		free(el);
		return NULL;
	}
	(void) keymacro_init(el);
	(void) map_init(el);
	if (tty_init(el) == -1)
		el->el_flags |= NO_TTY;
	(void) ch_init(el);
	(void) search_init(el);
	(void) hist_init(el);
	(void) prompt_init(el);
	(void) sig_init(el);
	if (read_init(el) == -1) {
		el_end(el);
		return NULL;
	}
	return el;
}


/* el_end():
 *	Clean up.
 */
void
el_end(EditLine *el)
{

	if (el == NULL)
		return;

	el_reset(el);

	terminal_end(el);
	keymacro_end(el);
	map_end(el);
	tty_end(el);
	ch_end(el);
	read_end(el->el_read);
	search_end(el);
	hist_end(el);
	prompt_end(el);
	sig_end(el);

	free(el->el_prog);
	free(el->el_scratch.cbuff);
	free(el->el_scratch.wbuff);
	free(el->el_lgcyconv.cbuff);
	free(el->el_lgcyconv.wbuff);
	free(el);
}


/* el_reset():
 *	Reset the tty and the parser
 */
void
el_reset(EditLine *el)
{

	tty_cookedmode(el);
	ch_reset(el);		/* XXX: Do we want that? */
}


/* el_set():
 *	set the editline parameters
 */
int
el_wset(EditLine *el, int op, ...)
{
	va_list ap;
	int rv = 0;

	if (el == NULL)
		return -1;
	va_start(ap, op);

	switch (op) {
	case EL_PROMPT:
	case EL_RPROMPT: {
		el_pfunc_t p = va_arg(ap, el_pfunc_t);

		rv = prompt_set(el, p, 0, op, 1);
		break;
	}

	case EL_RESIZE: {
		el_zfunc_t p = va_arg(ap, el_zfunc_t);
		void *arg = va_arg(ap, void *);
		rv = ch_resizefun(el, p, arg);
		break;
	}

	case EL_PROMPT_ESC:
	case EL_RPROMPT_ESC: {
		el_pfunc_t p = va_arg(ap, el_pfunc_t);
		int c = va_arg(ap, int);

		rv = prompt_set(el, p, c, op, 1);
		break;
	}

	case EL_TERMINAL:
		rv = terminal_set(el, va_arg(ap, char *));
		break;

	case EL_EDITOR:
		rv = map_set_editor(el, va_arg(ap, wchar_t *));
		break;

	case EL_SIGNAL:
		if (va_arg(ap, int))
			el->el_flags |= HANDLE_SIGNALS;
		else
			el->el_flags &= ~HANDLE_SIGNALS;
		break;

	case EL_BIND:
	case EL_TELLTC:
	case EL_SETTC:
	case EL_ECHOTC:
	case EL_SETTY:
	{
		const wchar_t *argv[20];
		int i;

		for (i = 1; i < 20; i++)
			if ((argv[i] = va_arg(ap, wchar_t *)) == NULL)
				break;

		switch (op) {
		case EL_BIND:
			argv[0] = L"bind";
			rv = map_bind(el, i, argv);
			break;

		case EL_TELLTC:
			argv[0] = L"telltc";
			rv = terminal_telltc(el, i, argv);
			break;

		case EL_SETTC:
			argv[0] = L"settc";
			rv = terminal_settc(el, i, argv);
			break;

		case EL_ECHOTC:
			argv[0] = L"echotc";
			rv = terminal_echotc(el, i, argv);
			break;

		case EL_SETTY:
			argv[0] = L"setty";
			rv = tty_stty(el, i, argv);
			break;

		default:
			rv = -1;
			EL_ABORT((el->el_errfile, "Bad op %d\n", op));
			break;
		}
		break;
	}

	case EL_ADDFN:
	{
		wchar_t *name = va_arg(ap, wchar_t *);
		wchar_t *help = va_arg(ap, wchar_t *);
		el_func_t func = va_arg(ap, el_func_t);

		rv = map_addfunc(el, name, help, func);
		break;
	}

	case EL_HIST:
	{
		hist_fun_t func = va_arg(ap, hist_fun_t);
		void *ptr = va_arg(ap, void *);

		rv = hist_set(el, func, ptr);
		if (!(el->el_flags & CHARSET_IS_UTF8))
			el->el_flags &= ~NARROW_HISTORY;
		break;
	}

	case EL_EDITMODE:
		if (va_arg(ap, int))
			el->el_flags &= ~EDIT_DISABLED;
		else
			el->el_flags |= EDIT_DISABLED;
		rv = 0;
		break;

	case EL_GETCFN:
	{
		el_rfunc_t rc = va_arg(ap, el_rfunc_t);
		rv = el_read_setfn(el->el_read, rc);
		break;
	}

	case EL_CLIENTDATA:
		el->el_data = va_arg(ap, void *);
		break;

	case EL_UNBUFFERED:
		rv = va_arg(ap, int);
		if (rv && !(el->el_flags & UNBUFFERED)) {
			el->el_flags |= UNBUFFERED;
			read_prepare(el);
		} else if (!rv && (el->el_flags & UNBUFFERED)) {
			el->el_flags &= ~UNBUFFERED;
			read_finish(el);
		}
		rv = 0;
		break;

	case EL_PREP_TERM:
		rv = va_arg(ap, int);
		if (rv)
			(void) tty_rawmode(el);
		else
			(void) tty_cookedmode(el);
		rv = 0;
		break;

	case EL_SETFP:
	{
		FILE *fp;
		int what;

		what = va_arg(ap, int);
		fp = va_arg(ap, FILE *);

		rv = 0;
		switch (what) {
		case 0:
			el->el_infile = fp;
			el->el_infd = fileno(fp);
			break;
		case 1:
			el->el_outfile = fp;
			el->el_outfd = fileno(fp);
			break;
		case 2:
			el->el_errfile = fp;
			el->el_errfd = fileno(fp);
			break;
		default:
			rv = -1;
			break;
		}
		break;
	}

	case EL_REFRESH:
		re_clear_display(el);
		re_refresh(el);
		terminal__flush(el);
		break;

	default:
		rv = -1;
		break;
	}

	va_end(ap);
	return rv;
}


/* el_get():
 *	retrieve the editline parameters
 */
int
el_wget(EditLine *el, int op, ...)
{
	va_list ap;
	int rv;

	if (el == NULL)
		return -1;

	va_start(ap, op);

	switch (op) {
	case EL_PROMPT:
	case EL_RPROMPT: {
		el_pfunc_t *p = va_arg(ap, el_pfunc_t *);
		rv = prompt_get(el, p, 0, op);
		break;
	}
	case EL_PROMPT_ESC:
	case EL_RPROMPT_ESC: {
		el_pfunc_t *p = va_arg(ap, el_pfunc_t *);
		wchar_t *c = va_arg(ap, wchar_t *);

		rv = prompt_get(el, p, c, op);
		break;
	}

	case EL_EDITOR:
		rv = map_get_editor(el, va_arg(ap, const wchar_t **));
		break;

	case EL_SIGNAL:
		*va_arg(ap, int *) = (el->el_flags & HANDLE_SIGNALS);
		rv = 0;
		break;

	case EL_EDITMODE:
		*va_arg(ap, int *) = !(el->el_flags & EDIT_DISABLED);
		rv = 0;
		break;

	case EL_TERMINAL:
		terminal_get(el, va_arg(ap, const char **));
		rv = 0;
		break;

	case EL_GETTC:
	{
		static char name[] = "gettc";
		char *argv[20];
		int i;

		for (i = 1; i < (int)(sizeof(argv) / sizeof(argv[0])); i++)
			if ((argv[i] = va_arg(ap, char *)) == NULL)
				break;

		switch (op) {
		case EL_GETTC:
			argv[0] = name;
			rv = terminal_gettc(el, i, argv);
			break;

		default:
			rv = -1;
			EL_ABORT((el->el_errfile, "Bad op %d\n", op));
			break;
		}
		break;
	}

	case EL_GETCFN:
		*va_arg(ap, el_rfunc_t *) = el_read_getfn(el->el_read);
		rv = 0;
		break;

	case EL_CLIENTDATA:
		*va_arg(ap, void **) = el->el_data;
		rv = 0;
		break;

	case EL_UNBUFFERED:
		*va_arg(ap, int *) = (!(el->el_flags & UNBUFFERED));
		rv = 0;
		break;

	case EL_GETFP:
	{
		int what;
		FILE **fpp;

		what = va_arg(ap, int);
		fpp = va_arg(ap, FILE **);
		rv = 0;
		switch (what) {
		case 0:
			*fpp = el->el_infile;
			break;
		case 1:
			*fpp = el->el_outfile;
			break;
		case 2:
			*fpp = el->el_errfile;
			break;
		default:
			rv = -1;
			break;
		}
		break;
	}
	default:
		rv = -1;
		break;
	}
	va_end(ap);

	return rv;
}


/* el_line():
 *	Return editing info
 */
const LineInfoW *
el_wline(EditLine *el)
{

	return (const LineInfoW *)(void *)&el->el_line;
}


/* el_source():
 *	Source a file
 */
int
el_source(EditLine *el, const char *fname)
{
	FILE *fp;
	size_t len;
	ssize_t slen;
	char *ptr;
#ifdef HAVE_ISSETUGID
	char path[PATH_MAX];
#endif
	const wchar_t *dptr;

	fp = NULL;
	if (fname == NULL) {
#ifdef HAVE_ISSETUGID
		static const char elpath[] = "/.editrc";

		if (issetugid())
			return -1;
		if ((ptr = getenv("HOME")) == NULL)
			return -1;
		if (strlcpy(path, ptr, sizeof(path)) >= sizeof(path))
			return -1;
		if (strlcat(path, elpath, sizeof(path)) >= sizeof(path))
			return -1;
		fname = path;
#else
		/*
		 * If issetugid() is missing, always return an error, in order
		 * to keep from inadvertently opening up the user to a security
		 * hole.
		 */
		return -1;
#endif
	}
	if (fp == NULL)
		fp = fopen(fname, "r");
	if (fp == NULL)
		return -1;

	ptr = NULL;
	len = 0;
	while ((slen = getline(&ptr, &len, fp)) != -1) {
		if (*ptr == '\n')
			continue;	/* Empty line. */
		if (slen > 0 && ptr[--slen] == '\n')
			ptr[slen] = '\0';

		dptr = ct_decode_string(ptr, &el->el_scratch);
		if (!dptr)
			continue;
		/* loop until first non-space char or EOL */
		while (*dptr != '\0' && iswspace(*dptr))
			dptr++;
		if (*dptr == '#')
			continue;   /* ignore, this is a comment line */
		if (parse_line(el, dptr) == -1) {
			free(ptr);
			(void) fclose(fp);
			return -1;
		}
	}
	free(ptr);
	(void) fclose(fp);
	return 0;
}


/* el_resize():
 *	Called from program when terminal is resized
 */
void
el_resize(EditLine *el)
{
	int lins, cols;
	sigset_t oset, nset;

	(void) sigemptyset(&nset);
	(void) sigaddset(&nset, SIGWINCH);
	(void) sigprocmask(SIG_BLOCK, &nset, &oset);

	/* get the correct window size */
	if (terminal_get_size(el, &lins, &cols))
		terminal_change_size(el, lins, cols);

	(void) sigprocmask(SIG_SETMASK, &oset, NULL);
}


/* el_beep():
 *	Called from the program to beep
 */
void
el_beep(EditLine *el)
{

	terminal_beep(el);
}


/* el_editmode()
 *	Set the state of EDIT_DISABLED from the `edit' command.
 */
protected int
/*ARGSUSED*/
el_editmode(EditLine *el, int argc, const wchar_t **argv)
{
	const wchar_t *how;

	if (argv == NULL || argc != 2 || argv[1] == NULL)
		return -1;

	how = argv[1];
	if (wcscmp(how, L"on") == 0) {
		el->el_flags &= ~EDIT_DISABLED;
		tty_rawmode(el);
	} else if (wcscmp(how, L"off") == 0) {
		tty_cookedmode(el);
		el->el_flags |= EDIT_DISABLED;
	}
	else {
		(void) fprintf(el->el_errfile, "edit: Bad value `%ls'.\n",
		    how);
		return -1;
	}
	return 0;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: el.c,v 1.37 2017/04/12 18:24:37 tb Exp $ */
2			/* $NetBSD: el.c,v 1.61 2011/01/27 23:11:40 christos Exp $ */
3
4			/*-
5			* Copyright (c) 1992, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* This code is derived from software contributed to Berkeley by
9			* Christos Zoulas of Cornell University.
10			*
11			* Redistribution and use in source and binary forms, with or without
12			* modification, are permitted provided that the following conditions
13			* are met:
14			* 1. Redistributions of source code must retain the above copyright
15			* notice, this list of conditions and the following disclaimer.
16			* 2. Redistributions in binary form must reproduce the above copyright
17			* notice, this list of conditions and the following disclaimer in the
18			* documentation and/or other materials provided with the distribution.
19			* 3. Neither the name of the University nor the names of its contributors
20			* may be used to endorse or promote products derived from this software
21			* without specific prior written permission.
22			*
23			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33			* SUCH DAMAGE.
34			*/
35
36			#include "config.h"
37
38			/*
39			* el.c: EditLine interface functions
40			*/
41			#include <sys/types.h>
42			#include <ctype.h>
43			#include <langinfo.h>
44			#include <limits.h>
45			#include <locale.h>
46			#include <stdarg.h>
47			#include <stdlib.h>
48			#include <string.h>
49
50			#include "el.h"
51			#include "parse.h"
52			#include "read.h"
53
54			/* el_init():
55			* Initialize editline and set default parameters.
56			*/
57			EditLine *
58			el_init(const char prog, FILE fin, FILE fout, FILE ferr)
59			{
60		6	EditLine el = (EditLine ) calloc(1, sizeof(EditLine));
61
62	✗✓	3	if (el == NULL)
63			return NULL;
64
65		3	el->el_infile = fin;
66		3	el->el_outfile = fout;
67		3	el->el_errfile = ferr;
68
69	✓✗	9	el->el_infd = fileno(fin);
70	✓✗	9	el->el_outfd = fileno(fout);
71	✓✗	9	el->el_errfd = fileno(ferr);
72
73		3	el->el_prog = wcsdup(ct_decode_string(prog, &el->el_scratch));
74	✗✓	3	if (el->el_prog == NULL) {
75			free(el);
76			return NULL;
77			}
78
79			/*
80			* Initialize all the modules. Order is important!!!
81			*/
82		3	el->el_flags = 0;
83	✓✗	3	if (setlocale(LC_CTYPE, NULL) != NULL){
84	✗✓	3	if (strcmp(nl_langinfo(CODESET), "UTF-8") == 0)
85			el->el_flags \|= CHARSET_IS_UTF8;
86			}
87
88	✗✓	3	if (terminal_init(el) == -1) {
89			free(el->el_prog);
90			free(el);
91			return NULL;
92			}
93		3	(void) keymacro_init(el);
94		3	(void) map_init(el);
95	✓✓	3	if (tty_init(el) == -1)
96		1	el->el_flags \|= NO_TTY;
97		3	(void) ch_init(el);
98		3	(void) search_init(el);
99		3	(void) hist_init(el);
100		3	(void) prompt_init(el);
101		3	(void) sig_init(el);
102	✗✓	3	if (read_init(el) == -1) {
103			el_end(el);
104			return NULL;
105			}
106		3	return el;
107		3	}
108
109
110			/* el_end():
111			* Clean up.
112			*/
113			void
114			el_end(EditLine *el)
115			{
116
117			if (el == NULL)
118			return;
119
120			el_reset(el);
121
122			terminal_end(el);
123			keymacro_end(el);
124			map_end(el);
125			tty_end(el);
126			ch_end(el);
127			read_end(el->el_read);
128			search_end(el);
129			hist_end(el);
130			prompt_end(el);
131			sig_end(el);
132
133			free(el->el_prog);
134			free(el->el_scratch.cbuff);
135			free(el->el_scratch.wbuff);
136			free(el->el_lgcyconv.cbuff);
137			free(el->el_lgcyconv.wbuff);
138			free(el);
139			}
140
141
142			/* el_reset():
143			* Reset the tty and the parser
144			*/
145			void
146			el_reset(EditLine *el)
147			{
148
149			tty_cookedmode(el);
150			ch_reset(el); /* XXX: Do we want that? */
151			}
152
153
154			/* el_set():
155			* set the editline parameters
156			*/
157			int
158			el_wset(EditLine *el, int op, ...)
159			{
160		12	va_list ap;
161			int rv = 0;
162
163	✗✓	6	if (el == NULL)
164			return -1;
165		6	va_start(ap, op);
166
167	✗✗✗✗ ✗✗✓✓ ✗✗✗✗ ✗✗✗✗ ✗✗✗✗ ✗✗✗	6	switch (op) {
168			case EL_PROMPT:
169			case EL_RPROMPT: {
170			el_pfunc_t p = va_arg(ap, el_pfunc_t);
171
172			rv = prompt_set(el, p, 0, op, 1);
173			break;
174			}
175
176			case EL_RESIZE: {
177			el_zfunc_t p = va_arg(ap, el_zfunc_t);
178			void arg = va_arg(ap, void );
179			rv = ch_resizefun(el, p, arg);
180			break;
181			}
182
183			case EL_PROMPT_ESC:
184			case EL_RPROMPT_ESC: {
185			el_pfunc_t p = va_arg(ap, el_pfunc_t);
186			int c = va_arg(ap, int);
187
188			rv = prompt_set(el, p, c, op, 1);
189			break;
190			}
191
192			case EL_TERMINAL:
193			rv = terminal_set(el, va_arg(ap, char *));
194			break;
195
196			case EL_EDITOR:
197	✓✗	9	rv = map_set_editor(el, va_arg(ap, wchar_t *));
198		3	break;
199
200			case EL_SIGNAL:
201	✓✗	12	if (va_arg(ap, int))
202		3	el->el_flags \|= HANDLE_SIGNALS;
203			else
204		3	el->el_flags &= ~HANDLE_SIGNALS;
205		3	break;
206
207			case EL_BIND:
208			case EL_TELLTC:
209			case EL_SETTC:
210			case EL_ECHOTC:
211			case EL_SETTY:
212			{
213			const wchar_t *argv[20];
214			int i;
215
216			for (i = 1; i < 20; i++)
217			if ((argv[i] = va_arg(ap, wchar_t *)) == NULL)
218			break;
219
220			switch (op) {
221			case EL_BIND:
222			argv[0] = L"bind";
223			rv = map_bind(el, i, argv);
224			break;
225
226			case EL_TELLTC:
227			argv[0] = L"telltc";
228			rv = terminal_telltc(el, i, argv);
229			break;
230
231			case EL_SETTC:
232			argv[0] = L"settc";
233			rv = terminal_settc(el, i, argv);
234			break;
235
236			case EL_ECHOTC:
237			argv[0] = L"echotc";
238			rv = terminal_echotc(el, i, argv);
239			break;
240
241			case EL_SETTY:
242			argv[0] = L"setty";
243			rv = tty_stty(el, i, argv);
244			break;
245
246			default:
247			rv = -1;
248			EL_ABORT((el->el_errfile, "Bad op %d\n", op));
249			break;
250			}
251			break;
252			}
253
254			case EL_ADDFN:
255			{
256			wchar_t name = va_arg(ap, wchar_t );
257			wchar_t help = va_arg(ap, wchar_t );
258			el_func_t func = va_arg(ap, el_func_t);
259
260			rv = map_addfunc(el, name, help, func);
261			break;
262			}
263
264			case EL_HIST:
265			{
266			hist_fun_t func = va_arg(ap, hist_fun_t);
267			void ptr = va_arg(ap, void );
268
269			rv = hist_set(el, func, ptr);
270			if (!(el->el_flags & CHARSET_IS_UTF8))
271			el->el_flags &= ~NARROW_HISTORY;
272			break;
273			}
274
275			case EL_EDITMODE:
276			if (va_arg(ap, int))
277			el->el_flags &= ~EDIT_DISABLED;
278			else
279			el->el_flags \|= EDIT_DISABLED;
280			rv = 0;
281			break;
282
283			case EL_GETCFN:
284			{
285			el_rfunc_t rc = va_arg(ap, el_rfunc_t);
286			rv = el_read_setfn(el->el_read, rc);
287			break;
288			}
289
290			case EL_CLIENTDATA:
291			el->el_data = va_arg(ap, void *);
292			break;
293
294			case EL_UNBUFFERED:
295			rv = va_arg(ap, int);
296			if (rv && !(el->el_flags & UNBUFFERED)) {
297			el->el_flags \|= UNBUFFERED;
298			read_prepare(el);
299			} else if (!rv && (el->el_flags & UNBUFFERED)) {
300			el->el_flags &= ~UNBUFFERED;
301			read_finish(el);
302			}
303			rv = 0;
304			break;
305
306			case EL_PREP_TERM:
307			rv = va_arg(ap, int);
308			if (rv)
309			(void) tty_rawmode(el);
310			else
311			(void) tty_cookedmode(el);
312			rv = 0;
313			break;
314
315			case EL_SETFP:
316			{
317			FILE *fp;
318			int what;
319
320			what = va_arg(ap, int);
321			fp = va_arg(ap, FILE *);
322
323			rv = 0;
324			switch (what) {
325			case 0:
326			el->el_infile = fp;
327			el->el_infd = fileno(fp);
328			break;
329			case 1:
330			el->el_outfile = fp;
331			el->el_outfd = fileno(fp);
332			break;
333			case 2:
334			el->el_errfile = fp;
335			el->el_errfd = fileno(fp);
336			break;
337			default:
338			rv = -1;
339			break;
340			}
341			break;
342			}
343
344			case EL_REFRESH:
345			re_clear_display(el);
346			re_refresh(el);
347			terminal__flush(el);
348			break;
349
350			default:
351			rv = -1;
352			break;
353			}
354
355		6	va_end(ap);
356		6	return rv;
357		6	}
358
359
360			/* el_get():
361			* retrieve the editline parameters
362			*/
363			int
364			el_wget(EditLine *el, int op, ...)
365			{
366		6	va_list ap;
367			int rv;
368
369	✗✓	3	if (el == NULL)
370			return -1;
371
372		3	va_start(ap, op);
373
374	✗✗✗✗ ✗✗✗✓ ✗✗✗✗ ✗✗	3	switch (op) {
375			case EL_PROMPT:
376			case EL_RPROMPT: {
377			el_pfunc_t p = va_arg(ap, el_pfunc_t );
378			rv = prompt_get(el, p, 0, op);
379			break;
380			}
381			case EL_PROMPT_ESC:
382			case EL_RPROMPT_ESC: {
383			el_pfunc_t p = va_arg(ap, el_pfunc_t );
384			wchar_t c = va_arg(ap, wchar_t );
385
386			rv = prompt_get(el, p, c, op);
387			break;
388			}
389
390			case EL_EDITOR:
391			rv = map_get_editor(el, va_arg(ap, const wchar_t **));
392			break;
393
394			case EL_SIGNAL:
395			va_arg(ap, int ) = (el->el_flags & HANDLE_SIGNALS);
396			rv = 0;
397			break;
398
399			case EL_EDITMODE:
400			va_arg(ap, int ) = !(el->el_flags & EDIT_DISABLED);
401			rv = 0;
402			break;
403
404			case EL_TERMINAL:
405	✓✗	9	terminal_get(el, va_arg(ap, const char **));
406			rv = 0;
407		3	break;
408
409			case EL_GETTC:
410			{
411			static char name[] = "gettc";
412			char *argv[20];
413			int i;
414
415			for (i = 1; i < (int)(sizeof(argv) / sizeof(argv[0])); i++)
416			if ((argv[i] = va_arg(ap, char *)) == NULL)
417			break;
418
419			switch (op) {
420			case EL_GETTC:
421			argv[0] = name;
422			rv = terminal_gettc(el, i, argv);
423			break;
424
425			default:
426			rv = -1;
427			EL_ABORT((el->el_errfile, "Bad op %d\n", op));
428			break;
429			}
430			break;
431			}
432
433			case EL_GETCFN:
434			va_arg(ap, el_rfunc_t ) = el_read_getfn(el->el_read);
435			rv = 0;
436			break;
437
438			case EL_CLIENTDATA:
439			va_arg(ap, void *) = el->el_data;
440			rv = 0;
441			break;
442
443			case EL_UNBUFFERED:
444			va_arg(ap, int ) = (!(el->el_flags & UNBUFFERED));
445			rv = 0;
446			break;
447
448			case EL_GETFP:
449			{
450			int what;
451			FILE **fpp;
452
453			what = va_arg(ap, int);
454			fpp = va_arg(ap, FILE **);
455			rv = 0;
456			switch (what) {
457			case 0:
458			*fpp = el->el_infile;
459			break;
460			case 1:
461			*fpp = el->el_outfile;
462			break;
463			case 2:
464			*fpp = el->el_errfile;
465			break;
466			default:
467			rv = -1;
468			break;
469			}
470			break;
471			}
472			default:
473			rv = -1;
474			break;
475			}
476		3	va_end(ap);
477
478		3	return rv;
479		3	}
480
481
482			/* el_line():
483			* Return editing info
484			*/
485			const LineInfoW *
486			el_wline(EditLine *el)
487			{
488
489		12	return (const LineInfoW )(void )&el->el_line;
490			}
491
492
493			/* el_source():
494			* Source a file
495			*/
496			int
497			el_source(EditLine el, const char fname)
498			{
499			FILE *fp;
500		6	size_t len;
501			ssize_t slen;
502		3	char *ptr;
503			#ifdef HAVE_ISSETUGID
504		3	char path[PATH_MAX];
505			#endif
506			const wchar_t *dptr;
507
508			fp = NULL;
509	✓✗	3	if (fname == NULL) {
510			#ifdef HAVE_ISSETUGID
511			static const char elpath[] = "/.editrc";
512
513	✗✓	3	if (issetugid())
514			return -1;
515	✗✓	3	if ((ptr = getenv("HOME")) == NULL)
516			return -1;
517	✗✓	3	if (strlcpy(path, ptr, sizeof(path)) >= sizeof(path))
518			return -1;
519	✗✓	3	if (strlcat(path, elpath, sizeof(path)) >= sizeof(path))
520			return -1;
521			fname = path;
522			#else
523			/*
524			* If issetugid() is missing, always return an error, in order
525			* to keep from inadvertently opening up the user to a security
526			* hole.
527			*/
528			return -1;
529			#endif
530		3	}
531	✓✗	3	if (fp == NULL)
532		3	fp = fopen(fname, "r");
533	✓✗	3	if (fp == NULL)
534		3	return -1;
535
536			ptr = NULL;
537			len = 0;
538			while ((slen = getline(&ptr, &len, fp)) != -1) {
539			if (*ptr == '\n')
540			continue; /* Empty line. */
541			if (slen > 0 && ptr[--slen] == '\n')
542			ptr[slen] = '\0';
543
544			dptr = ct_decode_string(ptr, &el->el_scratch);
545			if (!dptr)
546			continue;
547			/* loop until first non-space char or EOL */
548			while (dptr != '\0' && iswspace(dptr))
549			dptr++;
550			if (*dptr == '#')
551			continue; /* ignore, this is a comment line */
552			if (parse_line(el, dptr) == -1) {
553			free(ptr);
554			(void) fclose(fp);
555			return -1;
556			}
557			}
558			free(ptr);
559			(void) fclose(fp);
560			return 0;
561		3	}
562
563
564			/* el_resize():
565			* Called from program when terminal is resized
566			*/
567			void
568			el_resize(EditLine *el)
569			{
570			int lins, cols;
571			sigset_t oset, nset;
572
573			(void) sigemptyset(&nset);
574			(void) sigaddset(&nset, SIGWINCH);
575			(void) sigprocmask(SIG_BLOCK, &nset, &oset);
576
577			/* get the correct window size */
578			if (terminal_get_size(el, &lins, &cols))
579			terminal_change_size(el, lins, cols);
580
581			(void) sigprocmask(SIG_SETMASK, &oset, NULL);
582			}
583
584
585			/* el_beep():
586			* Called from the program to beep
587			*/
588			void
589			el_beep(EditLine *el)
590			{
591
592			terminal_beep(el);
593			}
594
595
596			/* el_editmode()
597			* Set the state of EDIT_DISABLED from the `edit' command.
598			*/
599			protected int
600			/ARGSUSED/
601			el_editmode(EditLine el, int argc, const wchar_t *argv)
602			{
603			const wchar_t *how;
604
605			if (argv == NULL \|\| argc != 2 \|\| argv[1] == NULL)
606			return -1;
607
608			how = argv[1];
609			if (wcscmp(how, L"on") == 0) {
610			el->el_flags &= ~EDIT_DISABLED;
611			tty_rawmode(el);
612			} else if (wcscmp(how, L"off") == 0) {
613			tty_cookedmode(el);
614			el->el_flags \|= EDIT_DISABLED;
615			}
616			else {
617			(void) fprintf(el->el_errfile, "edit: Bad value `%ls'.\n",
618			how);
619			return -1;
620			}
621			return 0;
622			}