[unix-history] / usr / src / usr.bin / mail / cmd1.c

#
#include "rcv.h"
#include <sys/stat.h>

/*
 * Mail -- a mail program
 *
 * User commands.
 */

static char *SccsId = "@(#)cmd1.c	2.10 %G%";

/*
 * Print the current active headings.
 * Don't change dot if invoker didn't give an argument.
 */

static int screen;

headers(msgvec)
	int *msgvec;
{
	register int n, mesg, flag;
	register struct message *mp;
	int size;

	size = screensize();
	n = msgvec[0];
	if (n != 0)
		screen = (n-1)/size;
	if (screen < 0)
		screen = 0;
	mp = &message[screen * size];
	if (mp >= &message[msgCount])
		mp = &message[msgCount - size];
	if (mp < &message[0])
		mp = &message[0];
	flag = 0;
	mesg = mp - &message[0];
	if (dot != &message[n-1])
		dot = mp;
	for (; mp < &message[msgCount]; mp++) {
		mesg++;
		if (mp->m_flag & MDELETED)
			continue;
		if (flag++ >= size)
			break;
		printhead(mesg);
		sreset();
	}
	if (flag == 0) {
		printf("No more mail.\n");
		return(1);
	}
	return(0);
}

/*
 * Set the list of alternate names for out host.
 */
local(namelist)
	char **namelist;
{
	register int c;
	register char **ap, **ap2, *cp;

	c = argcount(namelist) + 1;
	if (c == 1) {
		if (localnames == 0)
			return(0);
		for (ap = localnames; *ap; ap++)
			printf("%s ", *ap);
		printf("\n");
		return(0);
	}
	if (localnames != 0)
		cfree((char *) localnames);
	localnames = (char **) calloc(c, sizeof (char *));
	for (ap = namelist, ap2 = localnames; *ap; ap++, ap2++) {
		cp = (char *) calloc(strlen(*ap) + 1, sizeof (char));
		strcpy(cp, *ap);
		*ap2 = cp;
	}
	*ap2 = 0;
	return(0);
}

/*
 * Scroll to the next/previous screen
 */

scroll(arg)
	char arg[];
{
	register int s, size;
	int cur[1];

	cur[0] = 0;
	size = screensize();
	s = screen;
	switch (*arg) {
	case 0:
	case '+':
		s++;
		if (s * size > msgCount) {
			printf("On last screenful of messages\n");
			return(0);
		}
		screen = s;
		break;

	case '-':
		if (--s < 0) {
			printf("On first screenful of messages\n");
			return(0);
		}
		screen = s;
		break;

	default:
		printf("Unrecognized scrolling command \"%s\"\n", arg);
		return(1);
	}
	return(headers(cur));
}

/*
 * Compute what the screen size should be.
 * We use the following algorithm:
 *	If user specifies with screen option, use that.
 *	If baud rate < 1200, use  5
 *	If baud rate = 1200, use 10
 *	If baud rate > 1200, use 20
 */
screensize()
{
	register char *cp;
	register int s;

	if ((cp = value("screen")) != NOSTR) {
		s = atoi(cp);
		if (s > 0)
			return(s);
	}
	if (baud < B1200)
		s = 5;
	else if (baud == B1200)
		s = 10;
	else
		s = 20;
	return(s);
}

/*
 * Print out the headlines for each message
 * in the passed message list.
 */

from(msgvec)
	int *msgvec;
{
	register int *ip;

	for (ip = msgvec; *ip != NULL; ip++) {
		printhead(*ip);
		sreset();
	}
	if (--ip >= msgvec)
		dot = &message[*ip - 1];
	return(0);
}

/*
 * Print out the header of a specific message.
 * This is a slight improvement to the standard one.
 */

printhead(mesg)
{
	struct message *mp;
	FILE *ibuf;
	char headline[LINESIZE], wcount[10], *subjline, dispc, curind;
	char pbuf[BUFSIZ];
	int s;
	struct headline hl;
	register char *cp;

	mp = &message[mesg-1];
	ibuf = setinput(mp);
	readline(ibuf, headline);
	subjline = hfield("subject", mp);
	if (subjline == NOSTR)
		subjline = hfield("subj", mp);

	/*
	 * Bletch!
	 */

	if (subjline != NOSTR && strlen(subjline) > 28)
		subjline[29] = '\0';
	curind = dot == mp ? '>' : ' ';
	dispc = ' ';
	if (mp->m_flag & MSAVED)
		dispc = '*';
	if (mp->m_flag & MPRESERVE)
		dispc = 'P';
	if ((mp->m_flag & (MREAD|MNEW)) == MNEW)
		dispc = 'N';
	if ((mp->m_flag & (MREAD|MNEW)) == 0)
		dispc = 'U';
	if (mp->m_flag & MBOX)
		dispc = 'M';
	parse(headline, &hl, pbuf);
	sprintf(wcount, " %d/%ld", mp->m_lines, mp->m_size);
	s = strlen(wcount);
	cp = wcount + s;
	while (s < 7)
		s++, *cp++ = ' ';
	*cp = '\0';
	if (subjline != NOSTR)
		printf("%c%c%3d %-8s %16.16s %s \"%s\"\n", curind, dispc, mesg,
		    nameof(mp, 0), hl.l_date, wcount, subjline);
	else
		printf("%c%c%3d %-8s %16.16s %s\n", curind, dispc, mesg,
		    nameof(mp, 0), hl.l_date, wcount);
}

/*
 * Print out the value of dot.
 */

pdot()
{
	printf("%d\n", dot - &message[0] + 1);
	return(0);
}

/*
 * Print out all the possible commands.
 */

pcmdlist()
{
	register struct cmd *cp;
	register int cc;
	extern struct cmd cmdtab[];

	printf("Commands are:\n");
	for (cc = 0, cp = cmdtab; cp->c_name != NULL; cp++) {
		cc += strlen(cp->c_name) + 2;
		if (cc > 72) {
			printf("\n");
			cc = strlen(cp->c_name) + 2;
		}
		if ((cp+1)->c_name != NOSTR)
			printf("%s, ", cp->c_name);
		else
			printf("%s\n", cp->c_name);
	}
	return(0);
}

/*
 * Type out messages, honor ignored fields.
 */
type(msgvec)
	int *msgvec;
{

	return(type1(msgvec, 1));
}

/*
 * Type out messages, even printing ignored fields.
 */
Type(msgvec)
	int *msgvec;
{

	return(type1(msgvec, 0));
}

/*
 * Type out the messages requested.
 */
jmp_buf	pipestop;

type1(msgvec, doign)
	int *msgvec;
{
	register *ip;
	register struct message *mp;
	register int mesg;
	register char *cp;
	int c, nlines;
	int brokpipe();
	FILE *ibuf, *obuf;

	obuf = stdout;
	if (setjmp(pipestop)) {
		if (obuf != stdout) {
			pipef = NULL;
			pclose(obuf);
		}
		sigset(SIGPIPE, SIG_DFL);
		return(0);
	}
	if (intty && outtty && (cp = value("crt")) != NOSTR) {
		for (ip = msgvec, nlines = 0; *ip && ip-msgvec < msgCount; ip++)
			nlines += message[*ip - 1].m_lines;
		if (nlines > atoi(cp)) {
			obuf = popen(MORE, "w");
			if (obuf == NULL) {
				perror(MORE);
				obuf = stdout;
			}
			else {
				pipef = obuf;
				sigset(SIGPIPE, brokpipe);
			}
		}
	}
	for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
		mesg = *ip;
		touch(mesg);
		mp = &message[mesg-1];
		dot = mp;
		print(mp, obuf, doign);
	}
	if (obuf != stdout) {
		pipef = NULL;
		pclose(obuf);
	}
	sigset(SIGPIPE, SIG_DFL);
	return(0);
}

/*
 * Respond to a broken pipe signal --
 * probably caused by using quitting more.
 */

brokpipe()
{
# ifdef VMUNIX
	sigrelse(SIGPIPE);
# else
	signal(SIGPIPE, brokpipe);
# endif
	longjmp(pipestop, 1);
}

/*
 * Print the indicated message on standard output.
 */

print(mp, obuf, doign)
	register struct message *mp;
	FILE *obuf;
{

	if (value("quiet") == NOSTR)
		fprintf(obuf, "Message %2d:\n", mp - &message[0] + 1);
	touch(mp - &message[0] + 1);
	send(mp, obuf, doign);
}

/*
 * Print the top so many lines of each desired message.
 * The number of lines is taken from the variable "toplines"
 * and defaults to 5.
 */

top(msgvec)
	int *msgvec;
{
	register int *ip;
	register struct message *mp;
	register int mesg;
	int c, topl, lines, lineb;
	char *valtop, linebuf[LINESIZE];
	FILE *ibuf;

	topl = 5;
	valtop = value("toplines");
	if (valtop != NOSTR) {
		topl = atoi(valtop);
		if (topl < 0 || topl > 10000)
			topl = 5;
	}
	lineb = 1;
	for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
		mesg = *ip;
		touch(mesg);
		mp = &message[mesg-1];
		dot = mp;
		if (value("quiet") == NOSTR)
			printf("Message %2d:\n", mesg);
		ibuf = setinput(mp);
		c = mp->m_lines;
		if (!lineb)
			printf("\n");
		for (lines = 0; lines < c && lines <= topl; lines++) {
			if (readline(ibuf, linebuf) <= 0)
				break;
			puts(linebuf);
			lineb = blankline(linebuf);
		}
	}
	return(0);
}

/*
 * Touch all the given messages so that they will
 * get mboxed.
 */

stouch(msgvec)
	int msgvec[];
{
	register int *ip;

	for (ip = msgvec; *ip != 0; ip++) {
		dot = &message[*ip-1];
		dot->m_flag |= MTOUCH;
		dot->m_flag &= ~MPRESERVE;
	}
	return(0);
}

/*
 * Make sure all passed messages get mboxed.
 */

mboxit(msgvec)
	int msgvec[];
{
	register int *ip;

	for (ip = msgvec; *ip != 0; ip++) {
		dot = &message[*ip-1];
		dot->m_flag |= MTOUCH|MBOX;
		dot->m_flag &= ~MPRESERVE;
	}
	return(0);
}

/*
 * List the folders the user currently has.
 */
folders()
{
	char dirname[BUFSIZ], cmd[BUFSIZ];
	int pid, s, e;

	if (getfold(dirname) < 0) {
		printf("No value set for \"folder\"\n");
		return(-1);
	}
	switch ((pid = fork())) {
	case 0:
		sigchild();
		execlp("ls", "ls", dirname, 0);
		clrbuf(stdout);
		exit(1);

	case -1:
		perror("fork");
		return(-1);

	default:
		while ((e = wait(&s)) != -1 && e != pid)
			;
	}
	return(0);
}
Commit	Line	Data
d702437a KS	1	#
	2	#include "rcv.h"
	3	#include <sys/stat.h>
	4
	5	/*
	6	* Mail -- a mail program
	7	*
	8	* User commands.
	9	*/
	10
4973d14c	11	static char *SccsId = "@(#)cmd1.c 2.10 %G%";
d702437a KS	12
	13	/*
	14	* Print the current active headings.
f75dd1e5	15	* Don't change dot if invoker didn't give an argument.
d702437a KS	16	*/
	17
	18	static int screen;
	19
	20	headers(msgvec)
	21	int *msgvec;
	22	{
	23	register int n, mesg, flag;
	24	register struct message *mp;
1491ef97	25	int size;
d702437a	26
1491ef97	27	size = screensize();
d702437a KS	28	n = msgvec[0];
d702437a KS	29	if (n != 0)
1491ef97	30	screen = (n-1)/size;
d702437a KS	31	if (screen < 0)
d702437a KS	32	screen = 0;
1491ef97	33	mp = &message[screen * size];
d702437a	34	if (mp >= &message[msgCount])
1491ef97	35	mp = &message[msgCount - size];
d702437a KS	36	if (mp < &message[0])
	37	mp = &message[0];
	38	flag = 0;
	39	mesg = mp - &message[0];
f75dd1e5 KS	40	if (dot != &message[n-1])
f75dd1e5 KS	41	dot = mp;
d702437a KS	42	for (; mp < &message[msgCount]; mp++) {
	43	mesg++;
	44	if (mp->m_flag & MDELETED)
	45	continue;
1491ef97	46	if (flag++ >= size)
d702437a KS	47	break;
	48	printhead(mesg);
	49	sreset();
	50	}
	51	if (flag == 0) {
	52	printf("No more mail.\n");
	53	return(1);
	54	}
	55	return(0);
	56	}
	57
06440f31 CL	58	/*
	59	* Set the list of alternate names for out host.
	60	*/
	61	local(namelist)
	62	char **namelist;
	63	{
	64	register int c;
	65	register char ap, ap2, *cp;
	66
	67	c = argcount(namelist) + 1;
	68	if (c == 1) {
	69	if (localnames == 0)
	70	return(0);
	71	for (ap = localnames; *ap; ap++)
	72	printf("%s ", *ap);
	73	printf("\n");
	74	return(0);
	75	}
	76	if (localnames != 0)
	77	cfree((char *) localnames);
	78	localnames = (char *) calloc(c, sizeof (char ));
	79	for (ap = namelist, ap2 = localnames; *ap; ap++, ap2++) {
	80	cp = (char ) calloc(strlen(ap) + 1, sizeof (char));
	81	strcpy(cp, *ap);
	82	*ap2 = cp;
	83	}
	84	*ap2 = 0;
	85	return(0);
	86	}
	87
d702437a KS	88	/*
	89	* Scroll to the next/previous screen
	90	*/
	91
	92	scroll(arg)
	93	char arg[];
	94	{
1491ef97	95	register int s, size;
d702437a KS	96	int cur[1];
	97
	98	cur[0] = 0;
1491ef97	99	size = screensize();
d702437a KS	100	s = screen;
	101	switch (*arg) {
	102	case 0:
	103	case '+':
	104	s++;
1491ef97	105	if (s * size > msgCount) {
d702437a KS	106	printf("On last screenful of messages\n");
	107	return(0);
	108	}
	109	screen = s;
	110	break;
	111
	112	case '-':
	113	if (--s < 0) {
	114	printf("On first screenful of messages\n");
	115	return(0);
	116	}
	117	screen = s;
	118	break;
	119
	120	default:
	121	printf("Unrecognized scrolling command \"%s\"\n", arg);
	122	return(1);
	123	}
	124	return(headers(cur));
	125	}
	126
1491ef97 KS	127	/*
	128	* Compute what the screen size should be.
	129	* We use the following algorithm:
	130	* If user specifies with screen option, use that.
	131	* If baud rate < 1200, use 5
	132	* If baud rate = 1200, use 10
	133	* If baud rate > 1200, use 20
	134	*/
	135	screensize()
	136	{
	137	register char *cp;
	138	register int s;
	139
	140	if ((cp = value("screen")) != NOSTR) {
	141	s = atoi(cp);
	142	if (s > 0)
	143	return(s);
	144	}
	145	if (baud < B1200)
	146	s = 5;
	147	else if (baud == B1200)
	148	s = 10;
	149	else
	150	s = 20;
	151	return(s);
	152	}
d702437a KS	153
	154	/*
	155	* Print out the headlines for each message
	156	* in the passed message list.
	157	*/
	158
	159	from(msgvec)
	160	int *msgvec;
	161	{
	162	register int *ip;
	163
	164	for (ip = msgvec; *ip != NULL; ip++) {
	165	printhead(*ip);
	166	sreset();
	167	}
	168	if (--ip >= msgvec)
	169	dot = &message[*ip - 1];
	170	return(0);
	171	}
	172
	173	/*
	174	* Print out the header of a specific message.
	175	* This is a slight improvement to the standard one.
	176	*/
	177
	178	printhead(mesg)
	179	{
	180	struct message *mp;
	181	FILE *ibuf;
f75dd1e5	182	char headline[LINESIZE], wcount[10], *subjline, dispc, curind;
d702437a KS	183	char pbuf[BUFSIZ];
	184	int s;
	185	struct headline hl;
	186	register char *cp;
	187
	188	mp = &message[mesg-1];
	189	ibuf = setinput(mp);
	190	readline(ibuf, headline);
	191	subjline = hfield("subject", mp);
	192	if (subjline == NOSTR)
	193	subjline = hfield("subj", mp);
	194
	195	/*
	196	* Bletch!
	197	*/
	198
	199	if (subjline != NOSTR && strlen(subjline) > 28)
	200	subjline[29] = '\0';
f75dd1e5	201	curind = dot == mp ? '>' : ' ';
d702437a KS	202	dispc = ' ';
	203	if (mp->m_flag & MSAVED)
	204	dispc = '*';
	205	if (mp->m_flag & MPRESERVE)
	206	dispc = 'P';
5bfbbe88	207	if ((mp->m_flag & (MREAD\|MNEW)) == MNEW)
f4d36a07	208	dispc = 'N';
5bfbbe88 KS	209	if ((mp->m_flag & (MREAD\|MNEW)) == 0)
5bfbbe88 KS	210	dispc = 'U';
f2230dfd KS	211	if (mp->m_flag & MBOX)
f2230dfd KS	212	dispc = 'M';
d702437a	213	parse(headline, &hl, pbuf);
0154300b	214	sprintf(wcount, " %d/%ld", mp->m_lines, mp->m_size);
d702437a KS	215	s = strlen(wcount);
	216	cp = wcount + s;
	217	while (s < 7)
	218	s++, *cp++ = ' ';
	219	*cp = '\0';
	220	if (subjline != NOSTR)
f75dd1e5	221	printf("%c%c%3d %-8s %16.16s %s \"%s\"\n", curind, dispc, mesg,
186f16d8	222	nameof(mp, 0), hl.l_date, wcount, subjline);
d702437a	223	else
f75dd1e5	224	printf("%c%c%3d %-8s %16.16s %s\n", curind, dispc, mesg,
186f16d8	225	nameof(mp, 0), hl.l_date, wcount);
d702437a KS	226	}
	227
	228	/*
	229	* Print out the value of dot.
	230	*/
	231
	232	pdot()
	233	{
	234	printf("%d\n", dot - &message[0] + 1);
	235	return(0);
	236	}
	237
	238	/*
	239	* Print out all the possible commands.
	240	*/
	241
	242	pcmdlist()
	243	{
	244	register struct cmd *cp;
	245	register int cc;
	246	extern struct cmd cmdtab[];
	247
	248	printf("Commands are:\n");
	249	for (cc = 0, cp = cmdtab; cp->c_name != NULL; cp++) {
	250	cc += strlen(cp->c_name) + 2;
	251	if (cc > 72) {
	252	printf("\n");
	253	cc = strlen(cp->c_name) + 2;
	254	}
	255	if ((cp+1)->c_name != NOSTR)
	256	printf("%s, ", cp->c_name);
	257	else
	258	printf("%s\n", cp->c_name);
	259	}
	260	return(0);
	261	}
	262
	263	/*
15bff4bb	264	* Type out messages, honor ignored fields.
d702437a	265	*/
15bff4bb KS	266	type(msgvec)
	267	int *msgvec;
	268	{
d702437a	269
15bff4bb KS	270	return(type1(msgvec, 1));
	271	}
	272
	273	/*
	274	* Type out messages, even printing ignored fields.
	275	*/
	276	Type(msgvec)
	277	int *msgvec;
	278	{
	279
	280	return(type1(msgvec, 0));
	281	}
	282
	283	/*
	284	* Type out the messages requested.
	285	*/
740867ff KS	286	jmp_buf pipestop;
740867ff KS	287
15bff4bb	288	type1(msgvec, doign)
d702437a KS	289	int *msgvec;
	290	{
	291	register *ip;
	292	register struct message *mp;
	293	register int mesg;
740867ff KS	294	register char *cp;
	295	int c, nlines;
	296	int brokpipe();
	297	FILE ibuf, obuf;
	298
	299	obuf = stdout;
	300	if (setjmp(pipestop)) {
	301	if (obuf != stdout) {
740867ff	302	pipef = NULL;
fc3f7633	303	pclose(obuf);
740867ff	304	}
fd0ddf32	305	sigset(SIGPIPE, SIG_DFL);
740867ff KS	306	return(0);
	307	}
	308	if (intty && outtty && (cp = value("crt")) != NOSTR) {
	309	for (ip = msgvec, nlines = 0; *ip && ip-msgvec < msgCount; ip++)
	310	nlines += message[*ip - 1].m_lines;
	311	if (nlines > atoi(cp)) {
	312	obuf = popen(MORE, "w");
	313	if (obuf == NULL) {
	314	perror(MORE);
	315	obuf = stdout;
	316	}
	317	else {
	318	pipef = obuf;
fd0ddf32	319	sigset(SIGPIPE, brokpipe);
740867ff KS	320	}
	321	}
	322	}
d702437a KS	323	for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
	324	mesg = *ip;
	325	touch(mesg);
	326	mp = &message[mesg-1];
	327	dot = mp;
15bff4bb	328	print(mp, obuf, doign);
740867ff	329	}
740867ff	330	if (obuf != stdout) {
740867ff	331	pipef = NULL;
fc3f7633	332	pclose(obuf);
d702437a	333	}
fd0ddf32	334	sigset(SIGPIPE, SIG_DFL);
d702437a KS	335	return(0);
	336	}
	337
740867ff KS	338	/*
	339	* Respond to a broken pipe signal --
	340	* probably caused by using quitting more.
	341	*/
	342
	343	brokpipe()
	344	{
ea394d88	345	# ifdef VMUNIX
fd0ddf32	346	sigrelse(SIGPIPE);
ea394d88 KS	347	# else
	348	signal(SIGPIPE, brokpipe);
	349	# endif
fc3f7633	350	longjmp(pipestop, 1);
740867ff KS	351	}
740867ff KS	352
d702437a KS	353	/*
	354	* Print the indicated message on standard output.
	355	*/
	356
15bff4bb	357	print(mp, obuf, doign)
d702437a	358	register struct message *mp;
740867ff	359	FILE *obuf;
d702437a KS	360	{
	361
	362	if (value("quiet") == NOSTR)
740867ff	363	fprintf(obuf, "Message %2d:\n", mp - &message[0] + 1);
d702437a	364	touch(mp - &message[0] + 1);
15bff4bb	365	send(mp, obuf, doign);
d702437a KS	366	}
	367
	368	/*
	369	* Print the top so many lines of each desired message.
	370	* The number of lines is taken from the variable "toplines"
	371	* and defaults to 5.
	372	*/
	373
	374	top(msgvec)
	375	int *msgvec;
	376	{
	377	register int *ip;
	378	register struct message *mp;
	379	register int mesg;
	380	int c, topl, lines, lineb;
	381	char *valtop, linebuf[LINESIZE];
	382	FILE *ibuf;
	383
	384	topl = 5;
	385	valtop = value("toplines");
	386	if (valtop != NOSTR) {
	387	topl = atoi(valtop);
	388	if (topl < 0 \|\| topl > 10000)
	389	topl = 5;
	390	}
	391	lineb = 1;
	392	for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
	393	mesg = *ip;
	394	touch(mesg);
	395	mp = &message[mesg-1];
	396	dot = mp;
	397	if (value("quiet") == NOSTR)
	398	printf("Message %2d:\n", mesg);
	399	ibuf = setinput(mp);
	400	c = mp->m_lines;
	401	if (!lineb)
	402	printf("\n");
	403	for (lines = 0; lines < c && lines <= topl; lines++) {
	404	if (readline(ibuf, linebuf) <= 0)
	405	break;
	406	puts(linebuf);
	407	lineb = blankline(linebuf);
	408	}
	409	}
	410	return(0);
	411	}
	412
	413	/*
	414	* Touch all the given messages so that they will
	415	* get mboxed.
	416	*/
	417
	418	stouch(msgvec)
	419	int msgvec[];
	420	{
	421	register int *ip;
	422
	423	for (ip = msgvec; *ip != 0; ip++) {
d702437a	424	dot = &message[*ip-1];
5bfbbe88	425	dot->m_flag \|= MTOUCH;
d702437a KS	426	dot->m_flag &= ~MPRESERVE;
	427	}
	428	return(0);
	429	}
f2230dfd KS	430
	431	/*
	432	* Make sure all passed messages get mboxed.
	433	*/
	434
	435	mboxit(msgvec)
	436	int msgvec[];
	437	{
	438	register int *ip;
	439
	440	for (ip = msgvec; *ip != 0; ip++) {
	441	dot = &message[*ip-1];
	442	dot->m_flag \|= MTOUCH\|MBOX;
	443	dot->m_flag &= ~MPRESERVE;
	444	}
	445	return(0);
	446	}
2470b1d8 KS	447
	448	/*
	449	* List the folders the user currently has.
	450	*/
	451	folders()
	452	{
2470b1d8 KS	453	char dirname[BUFSIZ], cmd[BUFSIZ];
	454	int pid, s, e;
	455
a5bfa0a3 KS	456	if (getfold(dirname) < 0) {
a5bfa0a3 KS	457	printf("No value set for \"folder\"\n");
2470b1d8 KS	458	return(-1);
2470b1d8 KS	459	}
2470b1d8 KS	460	switch ((pid = fork())) {
2470b1d8 KS	461	case 0:
64df7743	462	sigchild();
a5bfa0a3	463	execlp("ls", "ls", dirname, 0);
2470b1d8	464	clrbuf(stdout);
2470b1d8 KS	465	exit(1);
	466
	467	case -1:
	468	perror("fork");
	469	return(-1);
	470
	471	default:
	472	while ((e = wait(&s)) != -1 && e != pid)
	473	;
	474	}
	475	return(0);
	476	}