Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/rtadvd/advcap.c	Lines:	0	149	0.0 %
Date:	2017-11-07	Branches:	0	129	0.0 %


/*	$OpenBSD: advcap.c,v 1.17 2015/10/25 22:36:17 jca Exp $	*/
/*	$KAME: advcap.c,v 1.9 2002/05/29 14:28:35 itojun Exp $	*/

/*
 * Copyright (c) 1983 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.
 */

/*
 * remcap - routines for dealing with the remote host data base
 *
 * derived from termcap
 */
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
#include <fcntl.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "pathnames.h"
#include "log.h"

#define MAXHOP		32		/* max number of tc= indirections */

#define	tgetent		agetent
#define	tnchktc		anchktc
#define	tnamatch	anamatch
#define	tgetnum		agetnum
#define	tgetflag	agetflag
#define	tgetstr		agetstr

#if 0
#define V_TERMCAP	"REMOTE"
#define V_TERM		"HOST"
#endif


/*
 * termcap - routines for dealing with the terminal capability data base
 *
 * BUG:		Should use a "last" pointer in tbuf, so that searching
 *		for capabilities alphabetically would not be a n**2/2
 *		process when large numbers of capabilities are given.
 * Note:	If we add a last pointer now we will screw up the
 *		tc capability. We really should compile termcap.
 *
 * Essentially all the work here is scanning and decoding escapes
 * in string capabilities.  We don't use stdio because the editor
 * doesn't, and because living w/o it is not hard.
 */

static	char *tbuf;
static	int hopcount;	/* detect infinite loops in termcap, init 0 */

static	char *remotefile;

extern char *conffile;

int tgetent(char *, char *);
int getent(char *, char *, char *);
int tnchktc(void);
int tnamatch(char *);
static char *tskip(char *);
int64_t tgetnum(char *);
int tgetflag(char *);
char *tgetstr(char *, char **);
static char *tdecode(char *, char **);

/*
 * Get an entry for terminal name in buffer bp,
 * from the termcap file.  Parse is very rudimentary;
 * we just notice escaped newlines.
 */
int
tgetent(char *bp, char *name)
{
	char *cp;

	remotefile = cp = conffile ? conffile : _PATH_RTADVDCONF;
	return (getent(bp, name, cp));
}

int
getent(char *bp, char *name, char *cp)
{
	int c;
	int i = 0, cnt = 0;
	char ibuf[BUFSIZ];
	int tf;

	tbuf = bp;
	tf = 0;
	/*
	 * TERMCAP can have one of two things in it. It can be the
	 * name of a file to use instead of /etc/termcap. In this
	 * case it better start with a "/". Or it can be an entry to
	 * use so we don't have to read the file. In this case it
	 * has to already have the newlines crunched out.
	 */
	if (cp && *cp) {
		tf = open(cp, O_RDONLY);
	}
	if (tf < 0) {
		log_warn("open(\"%s\")", cp);
		return (-2);
	}
	for (;;) {
		cp = bp;
		for (;;) {
			if (i == cnt) {
				cnt = read(tf, ibuf, BUFSIZ);
				if (cnt <= 0) {
					close(tf);
					return (0);
				}
				i = 0;
			}
			c = ibuf[i++];
			if (c == '\n') {
				if (cp > bp && cp[-1] == '\\') {
					cp--;
					continue;
				}
				break;
			}
			if (cp >= bp + BUFSIZ) {
				write(STDERR_FILENO, "Remcap entry too long\n", 23);
				break;
			} else
				*cp++ = c;
		}
		*cp = 0;

		/*
		 * The real work for the match.
		 */
		if (tnamatch(name)) {
			close(tf);
			return (tnchktc());
		}
	}
}

/*
 * tnchktc: check the last entry, see if it's tc=xxx. If so,
 * recursively find xxx and append that entry (minus the names)
 * to take the place of the tc=xxx entry. This allows termcap
 * entries to say "like an HP2621 but doesn't turn on the labels".
 * Note that this works because of the left to right scan.
 */
int
tnchktc(void)
{
	char *p, *q;
	char tcname[16];	/* name of similar terminal */
	char tcbuf[BUFSIZ];
	char *holdtbuf = tbuf;
	int l;

	p = tbuf + strlen(tbuf) - 2;	/* before the last colon */
	while (*--p != ':')
		if (p < tbuf) {
			write(STDERR_FILENO, "Bad remcap entry\n", 18);
			return (0);
		}
	p++;
	/* p now points to beginning of last field */
	if (p[0] != 't' || p[1] != 'c')
		return (1);
	strlcpy(tcname, p + 3, sizeof tcname);
	q = tcname;
	while (*q && *q != ':')
		q++;
	*q = 0;
	if (++hopcount > MAXHOP) {
		write(STDERR_FILENO, "Infinite tc= loop\n", 18);
		return (0);
	}
	if (getent(tcbuf, tcname, remotefile) != 1) {
		log_warnx("Could not parse %s: "
		    "Unresolvable reference to %s.", remotefile, tcname);
		return (0);
	}
	for (q = tcbuf; *q++ != ':'; )
		;
	l = p - holdtbuf + strlen(q);
	if (l > BUFSIZ) {
		write(STDERR_FILENO, "Remcap entry too long\n", 23);
		q[BUFSIZ - (p-holdtbuf)] = 0;
	}
	strlcpy(p, q, holdtbuf + BUFSIZ - p);
	tbuf = holdtbuf;
	return (1);
}

/*
 * Tnamatch deals with name matching.  The first field of the termcap
 * entry is a sequence of names separated by |'s, so we compare
 * against each such name.  The normal : terminator after the last
 * name (before the first field) stops us.
 */
int
tnamatch(char *np)
{
	char *Np, *Bp;

	Bp = tbuf;
	if (*Bp == '#')
		return (0);
	for (;;) {
		for (Np = np; *Np && *Bp == *Np; Bp++, Np++)
			continue;
		if (*Np == 0 && (*Bp == '|' || *Bp == ':' || *Bp == 0))
			return (1);
		while (*Bp && *Bp != ':' && *Bp != '|')
			Bp++;
		if (*Bp == 0 || *Bp == ':')
			return (0);
		Bp++;
	}
}

/*
 * Skip to the next field.  Notice that this is very dumb, not
 * knowing about \: escapes or any such.  If necessary, :'s can be put
 * into the termcap file in octal.
 */
static char *
tskip(char *bp)
{
	int dquote;

	dquote = 0;
	while (*bp) {
		switch (*bp) {
		case ':':
			if (!dquote)
				goto breakbreak;
			else
				bp++;
			break;
		case '\\':
			bp++;
			if (isdigit((unsigned char)*bp)) {
				while (isdigit((unsigned char)*bp++))
					;
			} else
				bp++;
		case '"':
			dquote = (dquote ? 1 : 0);
			bp++;
			break;
		default:
			bp++;
			break;
		}
	}
breakbreak:
	if (*bp == ':')
		bp++;
	return (bp);
}

/*
 * Return the (numeric) option id.
 * Numeric options look like
 *	li#80
 * i.e. the option string is separated from the numeric value by
 * a # character.  If the option is not found we return -1.
 * Note that we handle octal numbers beginning with 0.
 */
int64_t
tgetnum(char *id)
{
	int64_t i;
	int base;
	char *bp = tbuf;

	for (;;) {
		bp = tskip(bp);
		if (*bp == 0)
			return (-1);
		if (strncmp(bp, id, strlen(id)) != 0)
			continue;
		bp += strlen(id);
		if (*bp == '@')
			return (-1);
		if (*bp != '#')
			continue;
		bp++;
		base = 10;
		if (*bp == '0')
			base = 8;
		i = 0;
		while (isdigit((unsigned char)*bp))
			i *= base, i += *bp++ - '0';
		return (i);
	}
}

/*
 * Handle a flag option.
 * Flag options are given "naked", i.e. followed by a : or the end
 * of the buffer.  Return 1 if we find the option, or 0 if it is
 * not given.
 */
int
tgetflag(char *id)
{
	char *bp = tbuf;

	for (;;) {
		bp = tskip(bp);
		if (!*bp)
			return (0);
		if (strncmp(bp, id, strlen(id)) == 0) {
			bp += strlen(id);
			if (!*bp || *bp == ':')
				return (1);
			else if (*bp == '@')
				return (0);
		}
	}
}

/*
 * Get a string valued option.
 * These are given as
 *	cl=^Z
 * Much decoding is done on the strings, and the strings are
 * placed in area, which is a ref parameter which is updated.
 * No checking on area overflow.
 */
char *
tgetstr(char *id, char **area)
{
	char *bp = tbuf;

	for (;;) {
		bp = tskip(bp);
		if (!*bp)
			return (0);
		if (strncmp(bp, id, strlen(id)) != 0)
			continue;
		bp += strlen(id);
		if (*bp == '@')
			return (0);
		if (*bp != '=')
			continue;
		bp++;
		return (tdecode(bp, area));
	}
}

/*
 * Tdecode does the grung work to decode the
 * string capability escapes.
 */
static char *
tdecode(char *str, char **area)
{
	char *cp;
	int c;
	char *dp;
	int i;
	char term;

	term = ':';
	cp = *area;
again:
	if (*str == '"') {
		term = '"';
		str++;
	}
	while ((c = *str++) && c != term) {
		switch (c) {

		case '^':
			c = *str++ & 037;
			break;

		case '\\':
			dp = "E\033^^\\\\::n\nr\rt\tb\bf\f\"\"";
			c = *str++;
nextc:
			if (*dp++ == c) {
				c = *dp++;
				break;
			}
			dp++;
			if (*dp)
				goto nextc;
			if (isdigit((unsigned char)c)) {
				c -= '0', i = 2;
				do
					c <<= 3, c |= *str++ - '0';
				while (--i && isdigit((unsigned char)*str));
			}
			break;
		}
		*cp++ = c;
	}
	if (c == term && term != ':') {
		term = ':';
		goto again;
	}
	*cp++ = 0;
	str = *area;
	*area = cp;
	return (str);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: advcap.c,v 1.17 2015/10/25 22:36:17 jca Exp $ */
2			/* $KAME: advcap.c,v 1.9 2002/05/29 14:28:35 itojun Exp $ */
3
4			/*
5			* Copyright (c) 1983 The Regents of the University of California.
6			* 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			/*
34			* remcap - routines for dealing with the remote host data base
35			*
36			* derived from termcap
37			*/
38			#include <sys/types.h>
39			#include <sys/uio.h>
40			#include <unistd.h>
41			#include <fcntl.h>
42			#include <ctype.h>
43			#include <stdlib.h>
44			#include <stdio.h>
45			#include <errno.h>
46			#include <string.h>
47			#include "pathnames.h"
48			#include "log.h"
49
50			#define MAXHOP 32 /* max number of tc= indirections */
51
52			#define tgetent agetent
53			#define tnchktc anchktc
54			#define tnamatch anamatch
55			#define tgetnum agetnum
56			#define tgetflag agetflag
57			#define tgetstr agetstr
58
59			#if 0
60			#define V_TERMCAP "REMOTE"
61			#define V_TERM "HOST"
62			#endif
63
64
65			/*
66			* termcap - routines for dealing with the terminal capability data base
67			*
68			* BUG: Should use a "last" pointer in tbuf, so that searching
69			* for capabilities alphabetically would not be a n**2/2
70			* process when large numbers of capabilities are given.
71			* Note: If we add a last pointer now we will screw up the
72			* tc capability. We really should compile termcap.
73			*
74			* Essentially all the work here is scanning and decoding escapes
75			* in string capabilities. We don't use stdio because the editor
76			* doesn't, and because living w/o it is not hard.
77			*/
78
79			static char *tbuf;
80			static int hopcount; /* detect infinite loops in termcap, init 0 */
81
82			static char *remotefile;
83
84			extern char *conffile;
85
86			int tgetent(char , char );
87			int getent(char , char , char *);
88			int tnchktc(void);
89			int tnamatch(char *);
90			static char tskip(char );
91			int64_t tgetnum(char *);
92			int tgetflag(char *);
93			char tgetstr(char , char **);
94			static char tdecode(char , char **);
95
96			/*
97			* Get an entry for terminal name in buffer bp,
98			* from the termcap file. Parse is very rudimentary;
99			* we just notice escaped newlines.
100			*/
101			int
102			tgetent(char bp, char name)
103			{
104			char *cp;
105
106			remotefile = cp = conffile ? conffile : _PATH_RTADVDCONF;
107			return (getent(bp, name, cp));
108			}
109
110			int
111			getent(char bp, char name, char *cp)
112			{
113			int c;
114			int i = 0, cnt = 0;
115			char ibuf[BUFSIZ];
116			int tf;
117
118			tbuf = bp;
119			tf = 0;
120			/*
121			* TERMCAP can have one of two things in it. It can be the
122			* name of a file to use instead of /etc/termcap. In this
123			* case it better start with a "/". Or it can be an entry to
124			* use so we don't have to read the file. In this case it
125			* has to already have the newlines crunched out.
126			*/
127			if (cp && *cp) {
128			tf = open(cp, O_RDONLY);
129			}
130			if (tf < 0) {
131			log_warn("open(\"%s\")", cp);
132			return (-2);
133			}
134			for (;;) {
135			cp = bp;
136			for (;;) {
137			if (i == cnt) {
138			cnt = read(tf, ibuf, BUFSIZ);
139			if (cnt <= 0) {
140			close(tf);
141			return (0);
142			}
143			i = 0;
144			}
145			c = ibuf[i++];
146			if (c == '\n') {
147			if (cp > bp && cp[-1] == '\\') {
148			cp--;
149			continue;
150			}
151			break;
152			}
153			if (cp >= bp + BUFSIZ) {
154			write(STDERR_FILENO, "Remcap entry too long\n", 23);
155			break;
156			} else
157			*cp++ = c;
158			}
159			*cp = 0;
160
161			/*
162			* The real work for the match.
163			*/
164			if (tnamatch(name)) {
165			close(tf);
166			return (tnchktc());
167			}
168			}
169			}
170
171			/*
172			* tnchktc: check the last entry, see if it's tc=xxx. If so,
173			* recursively find xxx and append that entry (minus the names)
174			* to take the place of the tc=xxx entry. This allows termcap
175			* entries to say "like an HP2621 but doesn't turn on the labels".
176			* Note that this works because of the left to right scan.
177			*/
178			int
179			tnchktc(void)
180			{
181			char p, q;
182			char tcname[16]; /* name of similar terminal */
183			char tcbuf[BUFSIZ];
184			char *holdtbuf = tbuf;
185			int l;
186
187			p = tbuf + strlen(tbuf) - 2; /* before the last colon */
188			while (*--p != ':')
189			if (p < tbuf) {
190			write(STDERR_FILENO, "Bad remcap entry\n", 18);
191			return (0);
192			}
193			p++;
194			/* p now points to beginning of last field */
195			if (p[0] != 't' \|\| p[1] != 'c')
196			return (1);
197			strlcpy(tcname, p + 3, sizeof tcname);
198			q = tcname;
199			while (q && q != ':')
200			q++;
201			*q = 0;
202			if (++hopcount > MAXHOP) {
203			write(STDERR_FILENO, "Infinite tc= loop\n", 18);
204			return (0);
205			}
206			if (getent(tcbuf, tcname, remotefile) != 1) {
207			log_warnx("Could not parse %s: "
208			"Unresolvable reference to %s.", remotefile, tcname);
209			return (0);
210			}
211			for (q = tcbuf; *q++ != ':'; )
212			;
213			l = p - holdtbuf + strlen(q);
214			if (l > BUFSIZ) {
215			write(STDERR_FILENO, "Remcap entry too long\n", 23);
216			q[BUFSIZ - (p-holdtbuf)] = 0;
217			}
218			strlcpy(p, q, holdtbuf + BUFSIZ - p);
219			tbuf = holdtbuf;
220			return (1);
221			}
222
223			/*
224			* Tnamatch deals with name matching. The first field of the termcap
225			* entry is a sequence of names separated by \|'s, so we compare
226			* against each such name. The normal : terminator after the last
227			* name (before the first field) stops us.
228			*/
229			int
230			tnamatch(char *np)
231			{
232			char Np, Bp;
233
234			Bp = tbuf;
235			if (*Bp == '#')
236			return (0);
237			for (;;) {
238			for (Np = np; Np && Bp == *Np; Bp++, Np++)
239			continue;
240			if (Np == 0 && (Bp == '\|' \|\| Bp == ':' \|\| Bp == 0))
241			return (1);
242			while (Bp && Bp != ':' && *Bp != '\|')
243			Bp++;
244			if (Bp == 0 \|\| Bp == ':')
245			return (0);
246			Bp++;
247			}
248			}
249
250			/*
251			* Skip to the next field. Notice that this is very dumb, not
252			* knowing about \: escapes or any such. If necessary, :'s can be put
253			* into the termcap file in octal.
254			*/
255			static char *
256			tskip(char *bp)
257			{
258			int dquote;
259
260			dquote = 0;
261			while (*bp) {
262			switch (*bp) {
263			case ':':
264			if (!dquote)
265			goto breakbreak;
266			else
267			bp++;
268			break;
269			case '\\':
270			bp++;
271			if (isdigit((unsigned char)*bp)) {
272			while (isdigit((unsigned char)*bp++))
273			;
274			} else
275			bp++;
276			case '"':
277			dquote = (dquote ? 1 : 0);
278			bp++;
279			break;
280			default:
281			bp++;
282			break;
283			}
284			}
285			breakbreak:
286			if (*bp == ':')
287			bp++;
288			return (bp);
289			}
290
291			/*
292			* Return the (numeric) option id.
293			* Numeric options look like
294			* li#80
295			* i.e. the option string is separated from the numeric value by
296			* a # character. If the option is not found we return -1.
297			* Note that we handle octal numbers beginning with 0.
298			*/
299			int64_t
300			tgetnum(char *id)
301			{
302			int64_t i;
303			int base;
304			char *bp = tbuf;
305
306			for (;;) {
307			bp = tskip(bp);
308			if (*bp == 0)
309			return (-1);
310			if (strncmp(bp, id, strlen(id)) != 0)
311			continue;
312			bp += strlen(id);
313			if (*bp == '@')
314			return (-1);
315			if (*bp != '#')
316			continue;
317			bp++;
318			base = 10;
319			if (*bp == '0')
320			base = 8;
321			i = 0;
322			while (isdigit((unsigned char)*bp))
323			i = base, i += bp++ - '0';
324			return (i);
325			}
326			}
327
328			/*
329			* Handle a flag option.
330			* Flag options are given "naked", i.e. followed by a : or the end
331			* of the buffer. Return 1 if we find the option, or 0 if it is
332			* not given.
333			*/
334			int
335			tgetflag(char *id)
336			{
337			char *bp = tbuf;
338
339			for (;;) {
340			bp = tskip(bp);
341			if (!*bp)
342			return (0);
343			if (strncmp(bp, id, strlen(id)) == 0) {
344			bp += strlen(id);
345			if (!bp \|\| bp == ':')
346			return (1);
347			else if (*bp == '@')
348			return (0);
349			}
350			}
351			}
352
353			/*
354			* Get a string valued option.
355			* These are given as
356			* cl=^Z
357			* Much decoding is done on the strings, and the strings are
358			* placed in area, which is a ref parameter which is updated.
359			* No checking on area overflow.
360			*/
361			char *
362			tgetstr(char id, char *area)
363			{
364			char *bp = tbuf;
365
366			for (;;) {
367			bp = tskip(bp);
368			if (!*bp)
369			return (0);
370			if (strncmp(bp, id, strlen(id)) != 0)
371			continue;
372			bp += strlen(id);
373			if (*bp == '@')
374			return (0);
375			if (*bp != '=')
376			continue;
377			bp++;
378			return (tdecode(bp, area));
379			}
380			}
381
382			/*
383			* Tdecode does the grung work to decode the
384			* string capability escapes.
385			*/
386			static char *
387			tdecode(char str, char *area)
388			{
389			char *cp;
390			int c;
391			char *dp;
392			int i;
393			char term;
394
395			term = ':';
396			cp = *area;
397			again:
398			if (*str == '"') {
399			term = '"';
400			str++;
401			}
402			while ((c = *str++) && c != term) {
403			switch (c) {
404
405			case '^':
406			c = *str++ & 037;
407			break;
408
409			case '\\':
410			dp = "E\033^^\\\\::n\nr\rt\tb\bf\f\"\"";
411			c = *str++;
412			nextc:
413			if (*dp++ == c) {
414			c = *dp++;
415			break;
416			}
417			dp++;
418			if (*dp)
419			goto nextc;
420			if (isdigit((unsigned char)c)) {
421			c -= '0', i = 2;
422			do
423			c <<= 3, c \|= *str++ - '0';
424			while (--i && isdigit((unsigned char)*str));
425			}
426			break;
427			}
428			*cp++ = c;
429			}
430			if (c == term && term != ':') {
431			term = ':';
432			goto again;
433			}
434			*cp++ = 0;
435			str = *area;
436			*area = cp;
437			return (str);
438			}