xref: /freebsd/contrib/tnftp/src/complete.c (revision f982db4aa81df1235e335ccceecf7112edf2586a)
1*f982db4aSGavin Atkinson /*	$NetBSD: complete.c,v 1.38 2000/05/01 10:35:17 lukem Exp $	*/
2*f982db4aSGavin Atkinson 
3*f982db4aSGavin Atkinson /*-
4*f982db4aSGavin Atkinson  * Copyright (c) 1997-2000 The NetBSD Foundation, Inc.
5*f982db4aSGavin Atkinson  * All rights reserved.
6*f982db4aSGavin Atkinson  *
7*f982db4aSGavin Atkinson  * This code is derived from software contributed to The NetBSD Foundation
8*f982db4aSGavin Atkinson  * by Luke Mewburn.
9*f982db4aSGavin Atkinson  *
10*f982db4aSGavin Atkinson  * Redistribution and use in source and binary forms, with or without
11*f982db4aSGavin Atkinson  * modification, are permitted provided that the following conditions
12*f982db4aSGavin Atkinson  * are met:
13*f982db4aSGavin Atkinson  * 1. Redistributions of source code must retain the above copyright
14*f982db4aSGavin Atkinson  *    notice, this list of conditions and the following disclaimer.
15*f982db4aSGavin Atkinson  * 2. Redistributions in binary form must reproduce the above copyright
16*f982db4aSGavin Atkinson  *    notice, this list of conditions and the following disclaimer in the
17*f982db4aSGavin Atkinson  *    documentation and/or other materials provided with the distribution.
18*f982db4aSGavin Atkinson  * 3. All advertising materials mentioning features or use of this software
19*f982db4aSGavin Atkinson  *    must display the following acknowledgement:
20*f982db4aSGavin Atkinson  *	This product includes software developed by the NetBSD
21*f982db4aSGavin Atkinson  *	Foundation, Inc. and its contributors.
22*f982db4aSGavin Atkinson  * 4. Neither the name of The NetBSD Foundation nor the names of its
23*f982db4aSGavin Atkinson  *    contributors may be used to endorse or promote products derived
24*f982db4aSGavin Atkinson  *    from this software without specific prior written permission.
25*f982db4aSGavin Atkinson  *
26*f982db4aSGavin Atkinson  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27*f982db4aSGavin Atkinson  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28*f982db4aSGavin Atkinson  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29*f982db4aSGavin Atkinson  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30*f982db4aSGavin Atkinson  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31*f982db4aSGavin Atkinson  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32*f982db4aSGavin Atkinson  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33*f982db4aSGavin Atkinson  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34*f982db4aSGavin Atkinson  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35*f982db4aSGavin Atkinson  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36*f982db4aSGavin Atkinson  * POSSIBILITY OF SUCH DAMAGE.
37*f982db4aSGavin Atkinson  */
38*f982db4aSGavin Atkinson 
39*f982db4aSGavin Atkinson #include <sys/cdefs.h>
40*f982db4aSGavin Atkinson #ifndef lint
41*f982db4aSGavin Atkinson __RCSID("$NetBSD: complete.c,v 1.38 2000/05/01 10:35:17 lukem Exp $");
42*f982db4aSGavin Atkinson #endif /* not lint */
43*f982db4aSGavin Atkinson 
44*f982db4aSGavin Atkinson /*
45*f982db4aSGavin Atkinson  * FTP user program - command and file completion routines
46*f982db4aSGavin Atkinson  */
47*f982db4aSGavin Atkinson 
48*f982db4aSGavin Atkinson #include <sys/stat.h>
49*f982db4aSGavin Atkinson 
50*f982db4aSGavin Atkinson #include <ctype.h>
51*f982db4aSGavin Atkinson #include <err.h>
52*f982db4aSGavin Atkinson #include <dirent.h>
53*f982db4aSGavin Atkinson #include <stdio.h>
54*f982db4aSGavin Atkinson #include <stdlib.h>
55*f982db4aSGavin Atkinson #include <string.h>
56*f982db4aSGavin Atkinson 
57*f982db4aSGavin Atkinson #include "ftp_var.h"
58*f982db4aSGavin Atkinson 
59*f982db4aSGavin Atkinson #ifndef NO_EDITCOMPLETE
60*f982db4aSGavin Atkinson 
61*f982db4aSGavin Atkinson static int	     comparstr		(const void *, const void *);
62*f982db4aSGavin Atkinson static unsigned char complete_ambiguous	(char *, int, StringList *);
63*f982db4aSGavin Atkinson static unsigned char complete_command	(char *, int);
64*f982db4aSGavin Atkinson static unsigned char complete_local	(char *, int);
65*f982db4aSGavin Atkinson static unsigned char complete_option	(char *, int);
66*f982db4aSGavin Atkinson static unsigned char complete_remote	(char *, int);
67*f982db4aSGavin Atkinson 
68*f982db4aSGavin Atkinson static int
69*f982db4aSGavin Atkinson comparstr(const void *a, const void *b)
70*f982db4aSGavin Atkinson {
71*f982db4aSGavin Atkinson 	return (strcmp(*(const char **)a, *(const char **)b));
72*f982db4aSGavin Atkinson }
73*f982db4aSGavin Atkinson 
74*f982db4aSGavin Atkinson /*
75*f982db4aSGavin Atkinson  * Determine if complete is ambiguous. If unique, insert.
76*f982db4aSGavin Atkinson  * If no choices, error. If unambiguous prefix, insert that.
77*f982db4aSGavin Atkinson  * Otherwise, list choices. words is assumed to be filtered
78*f982db4aSGavin Atkinson  * to only contain possible choices.
79*f982db4aSGavin Atkinson  * Args:
80*f982db4aSGavin Atkinson  *	word	word which started the match
81*f982db4aSGavin Atkinson  *	list	list by default
82*f982db4aSGavin Atkinson  *	words	stringlist containing possible matches
83*f982db4aSGavin Atkinson  * Returns a result as per el_set(EL_ADDFN, ...)
84*f982db4aSGavin Atkinson  */
85*f982db4aSGavin Atkinson static unsigned char
86*f982db4aSGavin Atkinson complete_ambiguous(char *word, int list, StringList *words)
87*f982db4aSGavin Atkinson {
88*f982db4aSGavin Atkinson 	char insertstr[MAXPATHLEN];
89*f982db4aSGavin Atkinson 	char *lastmatch, *p;
90*f982db4aSGavin Atkinson 	int i, j;
91*f982db4aSGavin Atkinson 	size_t matchlen, wordlen;
92*f982db4aSGavin Atkinson 
93*f982db4aSGavin Atkinson 	wordlen = strlen(word);
94*f982db4aSGavin Atkinson 	if (words->sl_cur == 0)
95*f982db4aSGavin Atkinson 		return (CC_ERROR);	/* no choices available */
96*f982db4aSGavin Atkinson 
97*f982db4aSGavin Atkinson 	if (words->sl_cur == 1) {	/* only once choice available */
98*f982db4aSGavin Atkinson 		p = words->sl_str[0] + wordlen;
99*f982db4aSGavin Atkinson 		if (*p == '\0')		/* at end of word? */
100*f982db4aSGavin Atkinson 			return (CC_REFRESH);
101*f982db4aSGavin Atkinson 		ftpvis(insertstr, sizeof(insertstr), p, strlen(p));
102*f982db4aSGavin Atkinson 		if (el_insertstr(el, insertstr) == -1)
103*f982db4aSGavin Atkinson 			return (CC_ERROR);
104*f982db4aSGavin Atkinson 		else
105*f982db4aSGavin Atkinson 			return (CC_REFRESH);
106*f982db4aSGavin Atkinson 	}
107*f982db4aSGavin Atkinson 
108*f982db4aSGavin Atkinson 	if (!list) {
109*f982db4aSGavin Atkinson 		matchlen = 0;
110*f982db4aSGavin Atkinson 		lastmatch = words->sl_str[0];
111*f982db4aSGavin Atkinson 		matchlen = strlen(lastmatch);
112*f982db4aSGavin Atkinson 		for (i = 1 ; i < words->sl_cur ; i++) {
113*f982db4aSGavin Atkinson 			for (j = wordlen ; j < strlen(words->sl_str[i]); j++)
114*f982db4aSGavin Atkinson 				if (lastmatch[j] != words->sl_str[i][j])
115*f982db4aSGavin Atkinson 					break;
116*f982db4aSGavin Atkinson 			if (j < matchlen)
117*f982db4aSGavin Atkinson 				matchlen = j;
118*f982db4aSGavin Atkinson 		}
119*f982db4aSGavin Atkinson 		if (matchlen > wordlen) {
120*f982db4aSGavin Atkinson 			ftpvis(insertstr, sizeof(insertstr),
121*f982db4aSGavin Atkinson 			    lastmatch + wordlen, matchlen - wordlen);
122*f982db4aSGavin Atkinson 			if (el_insertstr(el, insertstr) == -1)
123*f982db4aSGavin Atkinson 				return (CC_ERROR);
124*f982db4aSGavin Atkinson 			else
125*f982db4aSGavin Atkinson 				return (CC_REFRESH_BEEP);
126*f982db4aSGavin Atkinson 		}
127*f982db4aSGavin Atkinson 	}
128*f982db4aSGavin Atkinson 
129*f982db4aSGavin Atkinson 	putc('\n', ttyout);
130*f982db4aSGavin Atkinson 	qsort(words->sl_str, words->sl_cur, sizeof(char *), comparstr);
131*f982db4aSGavin Atkinson 	list_vertical(words);
132*f982db4aSGavin Atkinson 	return (CC_REDISPLAY);
133*f982db4aSGavin Atkinson }
134*f982db4aSGavin Atkinson 
135*f982db4aSGavin Atkinson /*
136*f982db4aSGavin Atkinson  * Complete a command
137*f982db4aSGavin Atkinson  */
138*f982db4aSGavin Atkinson static unsigned char
139*f982db4aSGavin Atkinson complete_command(char *word, int list)
140*f982db4aSGavin Atkinson {
141*f982db4aSGavin Atkinson 	struct cmd *c;
142*f982db4aSGavin Atkinson 	StringList *words;
143*f982db4aSGavin Atkinson 	size_t wordlen;
144*f982db4aSGavin Atkinson 	unsigned char rv;
145*f982db4aSGavin Atkinson 
146*f982db4aSGavin Atkinson 	words = xsl_init();
147*f982db4aSGavin Atkinson 	wordlen = strlen(word);
148*f982db4aSGavin Atkinson 
149*f982db4aSGavin Atkinson 	for (c = cmdtab; c->c_name != NULL; c++) {
150*f982db4aSGavin Atkinson 		if (wordlen > strlen(c->c_name))
151*f982db4aSGavin Atkinson 			continue;
152*f982db4aSGavin Atkinson 		if (strncmp(word, c->c_name, wordlen) == 0)
153*f982db4aSGavin Atkinson 			xsl_add(words, c->c_name);
154*f982db4aSGavin Atkinson 	}
155*f982db4aSGavin Atkinson 
156*f982db4aSGavin Atkinson 	rv = complete_ambiguous(word, list, words);
157*f982db4aSGavin Atkinson 	if (rv == CC_REFRESH) {
158*f982db4aSGavin Atkinson 		if (el_insertstr(el, " ") == -1)
159*f982db4aSGavin Atkinson 			rv = CC_ERROR;
160*f982db4aSGavin Atkinson 	}
161*f982db4aSGavin Atkinson 	sl_free(words, 0);
162*f982db4aSGavin Atkinson 	return (rv);
163*f982db4aSGavin Atkinson }
164*f982db4aSGavin Atkinson 
165*f982db4aSGavin Atkinson /*
166*f982db4aSGavin Atkinson  * Complete a local file
167*f982db4aSGavin Atkinson  */
168*f982db4aSGavin Atkinson static unsigned char
169*f982db4aSGavin Atkinson complete_local(char *word, int list)
170*f982db4aSGavin Atkinson {
171*f982db4aSGavin Atkinson 	StringList *words;
172*f982db4aSGavin Atkinson 	char dir[MAXPATHLEN];
173*f982db4aSGavin Atkinson 	char *file;
174*f982db4aSGavin Atkinson 	DIR *dd;
175*f982db4aSGavin Atkinson 	struct dirent *dp;
176*f982db4aSGavin Atkinson 	unsigned char rv;
177*f982db4aSGavin Atkinson 	size_t len;
178*f982db4aSGavin Atkinson 
179*f982db4aSGavin Atkinson 	if ((file = strrchr(word, '/')) == NULL) {
180*f982db4aSGavin Atkinson 		dir[0] = '.';
181*f982db4aSGavin Atkinson 		dir[1] = '\0';
182*f982db4aSGavin Atkinson 		file = word;
183*f982db4aSGavin Atkinson 	} else {
184*f982db4aSGavin Atkinson 		if (file == word) {
185*f982db4aSGavin Atkinson 			dir[0] = '/';
186*f982db4aSGavin Atkinson 			dir[1] = '\0';
187*f982db4aSGavin Atkinson 		} else
188*f982db4aSGavin Atkinson 			(void)strlcpy(dir, word, file - word + 1);
189*f982db4aSGavin Atkinson 		file++;
190*f982db4aSGavin Atkinson 	}
191*f982db4aSGavin Atkinson 	if (dir[0] == '~') {
192*f982db4aSGavin Atkinson 		char *p;
193*f982db4aSGavin Atkinson 
194*f982db4aSGavin Atkinson 		if ((p = globulize(dir)) == NULL)
195*f982db4aSGavin Atkinson 			return (CC_ERROR);
196*f982db4aSGavin Atkinson 		(void)strlcpy(dir, p, sizeof(dir));
197*f982db4aSGavin Atkinson 		free(p);
198*f982db4aSGavin Atkinson 	}
199*f982db4aSGavin Atkinson 
200*f982db4aSGavin Atkinson 	if ((dd = opendir(dir)) == NULL)
201*f982db4aSGavin Atkinson 		return (CC_ERROR);
202*f982db4aSGavin Atkinson 
203*f982db4aSGavin Atkinson 	words = xsl_init();
204*f982db4aSGavin Atkinson 	len = strlen(file);
205*f982db4aSGavin Atkinson 
206*f982db4aSGavin Atkinson 	for (dp = readdir(dd); dp != NULL; dp = readdir(dd)) {
207*f982db4aSGavin Atkinson 		if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
208*f982db4aSGavin Atkinson 			continue;
209*f982db4aSGavin Atkinson 
210*f982db4aSGavin Atkinson #if defined(DIRENT_MISSING_D_NAMLEN)
211*f982db4aSGavin Atkinson 		if (len > strlen(dp->d_name))
212*f982db4aSGavin Atkinson 			continue;
213*f982db4aSGavin Atkinson #else
214*f982db4aSGavin Atkinson 		if (len > dp->d_namlen)
215*f982db4aSGavin Atkinson 			continue;
216*f982db4aSGavin Atkinson #endif
217*f982db4aSGavin Atkinson 		if (strncmp(file, dp->d_name, len) == 0) {
218*f982db4aSGavin Atkinson 			char *tcp;
219*f982db4aSGavin Atkinson 
220*f982db4aSGavin Atkinson 			tcp = xstrdup(dp->d_name);
221*f982db4aSGavin Atkinson 			xsl_add(words, tcp);
222*f982db4aSGavin Atkinson 		}
223*f982db4aSGavin Atkinson 	}
224*f982db4aSGavin Atkinson 	closedir(dd);
225*f982db4aSGavin Atkinson 
226*f982db4aSGavin Atkinson 	rv = complete_ambiguous(file, list, words);
227*f982db4aSGavin Atkinson 	if (rv == CC_REFRESH) {
228*f982db4aSGavin Atkinson 		struct stat sb;
229*f982db4aSGavin Atkinson 		char path[MAXPATHLEN];
230*f982db4aSGavin Atkinson 
231*f982db4aSGavin Atkinson 		(void)strlcpy(path, dir,		sizeof(path));
232*f982db4aSGavin Atkinson 		(void)strlcat(path, "/",		sizeof(path));
233*f982db4aSGavin Atkinson 		(void)strlcat(path, words->sl_str[0],	sizeof(path));
234*f982db4aSGavin Atkinson 
235*f982db4aSGavin Atkinson 		if (stat(path, &sb) >= 0) {
236*f982db4aSGavin Atkinson 			char suffix[2] = " ";
237*f982db4aSGavin Atkinson 
238*f982db4aSGavin Atkinson 			if (S_ISDIR(sb.st_mode))
239*f982db4aSGavin Atkinson 				suffix[0] = '/';
240*f982db4aSGavin Atkinson 			if (el_insertstr(el, suffix) == -1)
241*f982db4aSGavin Atkinson 				rv = CC_ERROR;
242*f982db4aSGavin Atkinson 		}
243*f982db4aSGavin Atkinson 	}
244*f982db4aSGavin Atkinson 	sl_free(words, 1);
245*f982db4aSGavin Atkinson 	return (rv);
246*f982db4aSGavin Atkinson }
247*f982db4aSGavin Atkinson /*
248*f982db4aSGavin Atkinson  * Complete an option
249*f982db4aSGavin Atkinson  */
250*f982db4aSGavin Atkinson static unsigned char
251*f982db4aSGavin Atkinson complete_option(char *word, int list)
252*f982db4aSGavin Atkinson {
253*f982db4aSGavin Atkinson 	struct option *o;
254*f982db4aSGavin Atkinson 	StringList *words;
255*f982db4aSGavin Atkinson 	size_t wordlen;
256*f982db4aSGavin Atkinson 	unsigned char rv;
257*f982db4aSGavin Atkinson 
258*f982db4aSGavin Atkinson 	words = xsl_init();
259*f982db4aSGavin Atkinson 	wordlen = strlen(word);
260*f982db4aSGavin Atkinson 
261*f982db4aSGavin Atkinson 	for (o = optiontab; o->name != NULL; o++) {
262*f982db4aSGavin Atkinson 		if (wordlen > strlen(o->name))
263*f982db4aSGavin Atkinson 			continue;
264*f982db4aSGavin Atkinson 		if (strncmp(word, o->name, wordlen) == 0)
265*f982db4aSGavin Atkinson 			xsl_add(words, o->name);
266*f982db4aSGavin Atkinson 	}
267*f982db4aSGavin Atkinson 
268*f982db4aSGavin Atkinson 	rv = complete_ambiguous(word, list, words);
269*f982db4aSGavin Atkinson 	if (rv == CC_REFRESH) {
270*f982db4aSGavin Atkinson 		if (el_insertstr(el, " ") == -1)
271*f982db4aSGavin Atkinson 			rv = CC_ERROR;
272*f982db4aSGavin Atkinson 	}
273*f982db4aSGavin Atkinson 	sl_free(words, 0);
274*f982db4aSGavin Atkinson 	return (rv);
275*f982db4aSGavin Atkinson }
276*f982db4aSGavin Atkinson 
277*f982db4aSGavin Atkinson /*
278*f982db4aSGavin Atkinson  * Complete a remote file
279*f982db4aSGavin Atkinson  */
280*f982db4aSGavin Atkinson static unsigned char
281*f982db4aSGavin Atkinson complete_remote(char *word, int list)
282*f982db4aSGavin Atkinson {
283*f982db4aSGavin Atkinson 	static StringList *dirlist;
284*f982db4aSGavin Atkinson 	static char	 lastdir[MAXPATHLEN];
285*f982db4aSGavin Atkinson 	StringList	*words;
286*f982db4aSGavin Atkinson 	char		 dir[MAXPATHLEN];
287*f982db4aSGavin Atkinson 	char		*file, *cp;
288*f982db4aSGavin Atkinson 	int		 i;
289*f982db4aSGavin Atkinson 	unsigned char	 rv;
290*f982db4aSGavin Atkinson 
291*f982db4aSGavin Atkinson 	char *dummyargv[] = { "complete", NULL, NULL };
292*f982db4aSGavin Atkinson 	dummyargv[1] = dir;
293*f982db4aSGavin Atkinson 
294*f982db4aSGavin Atkinson 	if ((file = strrchr(word, '/')) == NULL) {
295*f982db4aSGavin Atkinson 		dir[0] = '\0';
296*f982db4aSGavin Atkinson 		file = word;
297*f982db4aSGavin Atkinson 	} else {
298*f982db4aSGavin Atkinson 		cp = file;
299*f982db4aSGavin Atkinson 		while (*cp == '/' && cp > word)
300*f982db4aSGavin Atkinson 			cp--;
301*f982db4aSGavin Atkinson 		(void)strlcpy(dir, word, cp - word + 2);
302*f982db4aSGavin Atkinson 		file++;
303*f982db4aSGavin Atkinson 	}
304*f982db4aSGavin Atkinson 
305*f982db4aSGavin Atkinson 	if (dirchange || dirlist == NULL ||
306*f982db4aSGavin Atkinson 	    strcmp(dir, lastdir) != 0) {		/* dir not cached */
307*f982db4aSGavin Atkinson 		char *emesg;
308*f982db4aSGavin Atkinson 
309*f982db4aSGavin Atkinson 		if (dirlist != NULL)
310*f982db4aSGavin Atkinson 			sl_free(dirlist, 1);
311*f982db4aSGavin Atkinson 		dirlist = xsl_init();
312*f982db4aSGavin Atkinson 
313*f982db4aSGavin Atkinson 		mflag = 1;
314*f982db4aSGavin Atkinson 		emesg = NULL;
315*f982db4aSGavin Atkinson 		while ((cp = remglob(dummyargv, 0, &emesg)) != NULL) {
316*f982db4aSGavin Atkinson 			char *tcp;
317*f982db4aSGavin Atkinson 
318*f982db4aSGavin Atkinson 			if (!mflag)
319*f982db4aSGavin Atkinson 				continue;
320*f982db4aSGavin Atkinson 			if (*cp == '\0') {
321*f982db4aSGavin Atkinson 				mflag = 0;
322*f982db4aSGavin Atkinson 				continue;
323*f982db4aSGavin Atkinson 			}
324*f982db4aSGavin Atkinson 			tcp = strrchr(cp, '/');
325*f982db4aSGavin Atkinson 			if (tcp)
326*f982db4aSGavin Atkinson 				tcp++;
327*f982db4aSGavin Atkinson 			else
328*f982db4aSGavin Atkinson 				tcp = cp;
329*f982db4aSGavin Atkinson 			tcp = xstrdup(tcp);
330*f982db4aSGavin Atkinson 			xsl_add(dirlist, tcp);
331*f982db4aSGavin Atkinson 		}
332*f982db4aSGavin Atkinson 		if (emesg != NULL) {
333*f982db4aSGavin Atkinson 			fprintf(ttyout, "\n%s\n", emesg);
334*f982db4aSGavin Atkinson 			return (CC_REDISPLAY);
335*f982db4aSGavin Atkinson 		}
336*f982db4aSGavin Atkinson 		(void)strlcpy(lastdir, dir, sizeof(lastdir));
337*f982db4aSGavin Atkinson 		dirchange = 0;
338*f982db4aSGavin Atkinson 	}
339*f982db4aSGavin Atkinson 
340*f982db4aSGavin Atkinson 	words = xsl_init();
341*f982db4aSGavin Atkinson 	for (i = 0; i < dirlist->sl_cur; i++) {
342*f982db4aSGavin Atkinson 		cp = dirlist->sl_str[i];
343*f982db4aSGavin Atkinson 		if (strlen(file) > strlen(cp))
344*f982db4aSGavin Atkinson 			continue;
345*f982db4aSGavin Atkinson 		if (strncmp(file, cp, strlen(file)) == 0)
346*f982db4aSGavin Atkinson 			xsl_add(words, cp);
347*f982db4aSGavin Atkinson 	}
348*f982db4aSGavin Atkinson 	rv = complete_ambiguous(file, list, words);
349*f982db4aSGavin Atkinson 	sl_free(words, 0);
350*f982db4aSGavin Atkinson 	return (rv);
351*f982db4aSGavin Atkinson }
352*f982db4aSGavin Atkinson 
353*f982db4aSGavin Atkinson /*
354*f982db4aSGavin Atkinson  * Generic complete routine
355*f982db4aSGavin Atkinson  */
356*f982db4aSGavin Atkinson unsigned char
357*f982db4aSGavin Atkinson complete(EditLine *el, int ch)
358*f982db4aSGavin Atkinson {
359*f982db4aSGavin Atkinson 	static char word[FTPBUFLEN];
360*f982db4aSGavin Atkinson 	static int lastc_argc, lastc_argo;
361*f982db4aSGavin Atkinson 
362*f982db4aSGavin Atkinson 	struct cmd *c;
363*f982db4aSGavin Atkinson 	const LineInfo *lf;
364*f982db4aSGavin Atkinson 	int celems, dolist, cmpltype;
365*f982db4aSGavin Atkinson 	size_t len;
366*f982db4aSGavin Atkinson 
367*f982db4aSGavin Atkinson 	lf = el_line(el);
368*f982db4aSGavin Atkinson 	len = lf->lastchar - lf->buffer;
369*f982db4aSGavin Atkinson 	if (len >= sizeof(line))
370*f982db4aSGavin Atkinson 		return (CC_ERROR);
371*f982db4aSGavin Atkinson 	(void)strlcpy(line, lf->buffer, len + 1);
372*f982db4aSGavin Atkinson 	cursor_pos = line + (lf->cursor - lf->buffer);
373*f982db4aSGavin Atkinson 	lastc_argc = cursor_argc;	/* remember last cursor pos */
374*f982db4aSGavin Atkinson 	lastc_argo = cursor_argo;
375*f982db4aSGavin Atkinson 	makeargv();			/* build argc/argv of current line */
376*f982db4aSGavin Atkinson 
377*f982db4aSGavin Atkinson 	if (cursor_argo >= sizeof(word))
378*f982db4aSGavin Atkinson 		return (CC_ERROR);
379*f982db4aSGavin Atkinson 
380*f982db4aSGavin Atkinson 	dolist = 0;
381*f982db4aSGavin Atkinson 			/* if cursor and word is same, list alternatives */
382*f982db4aSGavin Atkinson 	if (lastc_argc == cursor_argc && lastc_argo == cursor_argo
383*f982db4aSGavin Atkinson 	    && strncmp(word, margv[cursor_argc] ? margv[cursor_argc] : "",
384*f982db4aSGavin Atkinson 			cursor_argo) == 0)
385*f982db4aSGavin Atkinson 		dolist = 1;
386*f982db4aSGavin Atkinson 	else if (cursor_argc < margc)
387*f982db4aSGavin Atkinson 		(void)strlcpy(word, margv[cursor_argc], cursor_argo + 1);
388*f982db4aSGavin Atkinson 	word[cursor_argo] = '\0';
389*f982db4aSGavin Atkinson 
390*f982db4aSGavin Atkinson 	if (cursor_argc == 0)
391*f982db4aSGavin Atkinson 		return (complete_command(word, dolist));
392*f982db4aSGavin Atkinson 
393*f982db4aSGavin Atkinson 	c = getcmd(margv[0]);
394*f982db4aSGavin Atkinson 	if (c == (struct cmd *)-1 || c == 0)
395*f982db4aSGavin Atkinson 		return (CC_ERROR);
396*f982db4aSGavin Atkinson 	celems = strlen(c->c_complete);
397*f982db4aSGavin Atkinson 
398*f982db4aSGavin Atkinson 		/* check for 'continuation' completes (which are uppercase) */
399*f982db4aSGavin Atkinson 	if ((cursor_argc > celems) && (celems > 0)
400*f982db4aSGavin Atkinson 	    && isupper((unsigned char) c->c_complete[celems-1]))
401*f982db4aSGavin Atkinson 		cursor_argc = celems;
402*f982db4aSGavin Atkinson 
403*f982db4aSGavin Atkinson 	if (cursor_argc > celems)
404*f982db4aSGavin Atkinson 		return (CC_ERROR);
405*f982db4aSGavin Atkinson 
406*f982db4aSGavin Atkinson 	cmpltype = c->c_complete[cursor_argc - 1];
407*f982db4aSGavin Atkinson 	switch (cmpltype) {
408*f982db4aSGavin Atkinson 		case 'c':			/* command complete */
409*f982db4aSGavin Atkinson 		case 'C':
410*f982db4aSGavin Atkinson 			return (complete_command(word, dolist));
411*f982db4aSGavin Atkinson 		case 'l':			/* local complete */
412*f982db4aSGavin Atkinson 		case 'L':
413*f982db4aSGavin Atkinson 			return (complete_local(word, dolist));
414*f982db4aSGavin Atkinson 		case 'n':			/* no complete */
415*f982db4aSGavin Atkinson 		case 'N':			/* no complete */
416*f982db4aSGavin Atkinson 			return (CC_ERROR);
417*f982db4aSGavin Atkinson 		case 'o':			/* local complete */
418*f982db4aSGavin Atkinson 		case 'O':
419*f982db4aSGavin Atkinson 			return (complete_option(word, dolist));
420*f982db4aSGavin Atkinson 		case 'r':			/* remote complete */
421*f982db4aSGavin Atkinson 		case 'R':
422*f982db4aSGavin Atkinson 			if (connected != -1) {
423*f982db4aSGavin Atkinson 				fputs("\nMust be logged in to complete.\n",
424*f982db4aSGavin Atkinson 				    ttyout);
425*f982db4aSGavin Atkinson 				return (CC_REDISPLAY);
426*f982db4aSGavin Atkinson 			}
427*f982db4aSGavin Atkinson 			return (complete_remote(word, dolist));
428*f982db4aSGavin Atkinson 		default:
429*f982db4aSGavin Atkinson 			errx(1, "unknown complete type `%c'", cmpltype);
430*f982db4aSGavin Atkinson 			return (CC_ERROR);
431*f982db4aSGavin Atkinson 	}
432*f982db4aSGavin Atkinson 	/* NOTREACHED */
433*f982db4aSGavin Atkinson }
434*f982db4aSGavin Atkinson 
435*f982db4aSGavin Atkinson #endif /* !NO_EDITCOMPLETE */
436