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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/mail/cmd2.c	Lines:	18	160	11.3 %
Date:	2017-11-07	Branches:	6	98	6.1 %


/*	$OpenBSD: cmd2.c,v 1.22 2015/10/16 17:56:07 mmcc Exp $	*/
/*	$NetBSD: cmd2.c,v 1.7 1997/05/17 19:55:10 pk Exp $	*/

/*
 * Copyright (c) 1980, 1993
 *	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.
 */

#include "rcv.h"
#include <sys/wait.h>
#include "extern.h"

/*
 * Mail -- a mail program
 *
 * More user commands.
 */
static int igcomp(const void *, const void *);

/*
 * If any arguments were given, go to the next applicable argument
 * following dot, otherwise, go to the next applicable message.
 * If given as first command with no arguments, print first message.
 */
int
next(void *v)
{
	struct message *mp;
	int *msgvec = v;
	int *ip, *ip2, list[2], mdot;

	if (*msgvec != 0) {
		/*
		 * If some messages were supplied, find the
		 * first applicable one following dot using
		 * wrap around.
		 */
		mdot = dot - &message[0] + 1;

		/*
		 * Find the first message in the supplied
		 * message list which follows dot.
		 */
		for (ip = msgvec; *ip != 0; ip++)
			if (*ip > mdot)
				break;
		if (*ip == 0)
			ip = msgvec;
		ip2 = ip;
		do {
			mp = &message[*ip2 - 1];
			if ((mp->m_flag & MDELETED) == 0) {
				dot = mp;
				goto hitit;
			}
			if (*ip2 != 0)
				ip2++;
			if (*ip2 == 0)
				ip2 = msgvec;
		} while (ip2 != ip);
		puts("No messages applicable");
		return(1);
	}

	/*
	 * If this is the first command, select message 1.
	 * Note that this must exist for us to get here at all.
	 */
	if (!sawcom)
		goto hitit;

	/*
	 * Just find the next good message after dot, no
	 * wraparound.
	 */
	for (mp = dot+1; mp < &message[msgCount]; mp++)
		if ((mp->m_flag & (MDELETED|MSAVED)) == 0)
			break;
	if (mp >= &message[msgCount]) {
		puts("At EOF");
		return(0);
	}
	dot = mp;
hitit:
	/*
	 * Print dot.
	 */
	list[0] = dot - &message[0] + 1;
	list[1] = 0;
	return(type(list));
}

/*
 * Save a message in a file.  Mark the message as saved
 * so we can discard when the user quits.
 */
int
save(void *v)
{
	char *str = v;

	return(save1(str, 1, "save", saveignore));
}

/*
 * Copy a message to a file without affected its saved-ness
 */
int
copycmd(void *v)
{
	char *str = v;

	return(save1(str, 0, "copy", saveignore));
}

/*
 * Save/copy the indicated messages at the end of the passed file name.
 * If mark is true, mark the message "saved."
 */
int
save1(char *str, int mark, char *cmd, struct ignoretab *ignore)
{
	struct message *mp;
	char *file, *disp;
	int f, *msgvec, *ip;
	FILE *obuf;

	msgvec = (int *)salloc((msgCount + 2) * sizeof(*msgvec));
	if ((file = snarf(str, &f)) == NULL)
		return(1);
	if (!f) {
		*msgvec = first(0, MMNORM);
		if (*msgvec == 0) {
			printf("No messages to %s.\n", cmd);
			return(1);
		}
		msgvec[1] = 0;
	}
	if (f && getmsglist(str, msgvec, 0) < 0)
		return(1);
	if ((file = expand(file)) == NULL)
		return(1);
	printf("\"%s\" ", file);
	fflush(stdout);
	if (access(file, F_OK) >= 0)
		disp = "[Appended]";
	else
		disp = "[New file]";
	if ((obuf = Fopen(file, "a")) == NULL) {
		warn(NULL);
		return(1);
	}
	for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
		mp = &message[*ip - 1];
		touch(mp);
		if (sendmessage(mp, obuf, ignore, NULL) < 0) {
			warn("%s", file);
			(void)Fclose(obuf);
			return(1);
		}
		if (mark)
			mp->m_flag |= MSAVED;
	}
	fflush(obuf);
	if (ferror(obuf))
		warn("%s", file);
	(void)Fclose(obuf);
	printf("%s\n", disp);
	return(0);
}

/*
 * Write the indicated messages at the end of the passed
 * file name, minus header and trailing blank line.
 */
int
swrite(void *v)
{
	char *str = v;

	return(save1(str, 1, "write", ignoreall));
}

/*
 * Snarf the file from the end of the command line and
 * return a pointer to it.  If there is no file attached,
 * just return NULL.  Put a null in front of the file
 * name so that the message list processing won't see it,
 * unless the file name is the only thing on the line, in
 * which case, return 0 in the reference flag variable.
 */
char *
snarf(char *linebuf, int *flag)
{
	char *cp;

	*flag = 1;
	cp = strlen(linebuf) + linebuf - 1;

	/*
	 * Strip away trailing blanks.
	 */
	while (cp > linebuf && isspace((unsigned char)*cp))
		cp--;
	*++cp = 0;

	/*
	 * Now search for the beginning of the file name.
	 */
	while (cp > linebuf && !isspace((unsigned char)*cp))
		cp--;
	if (*cp == '\0') {
		puts("No file specified.");
		return(NULL);
	}
	if (isspace((unsigned char)*cp))
		*cp++ = 0;
	else
		*flag = 0;
	return(cp);
}

/*
 * Delete messages.
 */
int
deletecmd(void *v)
{
	int *msgvec = v;

	delm(msgvec);
	return(0);
}

/*
 * Delete messages, then type the new dot.
 */
int
deltype(void *v)
{
	int *msgvec = v;
	int list[2];
	int lastdot;

	lastdot = dot - &message[0] + 1;
	if (delm(msgvec) >= 0) {
		list[0] = dot - &message[0] + 1;
		if (list[0] > lastdot) {
			touch(dot);
			list[1] = 0;
			return(type(list));
		}
		puts("At EOF");
	} else
		puts("No more messages");
	return(0);
}

/*
 * Delete the indicated messages.
 * Set dot to some nice place afterwards.
 * Internal interface.
 */
int
delm(int *msgvec)
{
	struct message *mp;
	int *ip, last;

	last = 0;
	for (ip = msgvec; *ip != 0; ip++) {
		mp = &message[*ip - 1];
		touch(mp);
		mp->m_flag |= MDELETED|MTOUCH;
		mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
		last = *ip;
	}
	if (last != 0) {
		dot = &message[last-1];
		last = first(0, MDELETED);
		if (last != 0) {
			dot = &message[last-1];
			return(0);
		}
		else {
			dot = &message[0];
			return(-1);
		}
	}

	/*
	 * Following can't happen
	 */
	return(-1);
}

/*
 * Undelete the indicated messages.
 */
int
undeletecmd(void *v)
{
	int *msgvec = v;
	int *ip;
	struct message *mp;

	for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
		mp = &message[*ip - 1];
		touch(mp);
		dot = mp;
		mp->m_flag &= ~MDELETED;
	}
	return(0);
}

/*
 * Add the given header fields to the retained list.
 * If no arguments, print the current list of retained fields.
 */
int
retfield(void *v)
{
	char **list = v;

	return(ignore1(list, ignore + 1, "retained"));
}

/*
 * Add the given header fields to the ignored list.
 * If no arguments, print the current list of ignored fields.
 */
int
igfield(void *v)
{
	char **list = v;

	return(ignore1(list, ignore, "ignored"));
}

int
saveretfield(void *v)
{
	char **list = v;

	return(ignore1(list, saveignore + 1, "retained"));
}

int
saveigfield(void *v)
{
	char **list = v;

	return(ignore1(list, saveignore, "ignored"));
}

int
ignore1(char **list, struct ignoretab *tab, char *which)
{
	char field[LINESIZE];
	char **ap;
	struct ignore *igp;
	int h;

	if (*list == NULL)
		return(igshow(tab, which));
	for (ap = list; *ap != 0; ap++) {
		istrlcpy(field, *ap, sizeof(field));
		if (member(field, tab))
			continue;
		h = hash(field);
		igp = calloc(1, sizeof(struct ignore));
		if (igp == NULL)
			err(1, "calloc");
		igp->i_field = strdup(field);
		if (igp->i_field == NULL)
			err(1, "strdup");
		igp->i_link = tab->i_head[h];
		tab->i_head[h] = igp;
		tab->i_count++;
	}
	return(0);
}

/*
 * Print out all currently retained fields.
 */
int
igshow(struct ignoretab *tab, char *which)
{
	int h;
	struct ignore *igp;
	char **ap, **ring;

	if (tab->i_count == 0) {
		printf("No fields currently being %s.\n", which);
		return(0);
	}
	ring = (char **)salloc((tab->i_count + 1) * sizeof(char *));
	ap = ring;
	for (h = 0; h < HSHSIZE; h++)
		for (igp = tab->i_head[h]; igp != 0; igp = igp->i_link)
			*ap++ = igp->i_field;
	*ap = 0;
	qsort(ring, tab->i_count, sizeof(char *), igcomp);
	for (ap = ring; *ap != 0; ap++)
		puts(*ap);
	return(0);
}

/*
 * Compare two names for sorting ignored field list.
 */
static int
igcomp(const void *l, const void *r)
{

	return(strcmp(*(char **)l, *(char **)r));
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: cmd2.c,v 1.22 2015/10/16 17:56:07 mmcc Exp $ */
2			/* $NetBSD: cmd2.c,v 1.7 1997/05/17 19:55:10 pk Exp $ */
3
4			/*
5			* Copyright (c) 1980, 1993
6			* The Regents of the University of California. 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			#include "rcv.h"
34			#include <sys/wait.h>
35			#include "extern.h"
36
37			/*
38			* Mail -- a mail program
39			*
40			* More user commands.
41			*/
42			static int igcomp(const void , const void );
43
44			/*
45			* If any arguments were given, go to the next applicable argument
46			* following dot, otherwise, go to the next applicable message.
47			* If given as first command with no arguments, print first message.
48			*/
49			int
50			next(void *v)
51			{
52			struct message *mp;
53			int *msgvec = v;
54			int ip, ip2, list[2], mdot;
55
56			if (*msgvec != 0) {
57			/*
58			* If some messages were supplied, find the
59			* first applicable one following dot using
60			* wrap around.
61			*/
62			mdot = dot - &message[0] + 1;
63
64			/*
65			* Find the first message in the supplied
66			* message list which follows dot.
67			*/
68			for (ip = msgvec; *ip != 0; ip++)
69			if (*ip > mdot)
70			break;
71			if (*ip == 0)
72			ip = msgvec;
73			ip2 = ip;
74			do {
75			mp = &message[*ip2 - 1];
76			if ((mp->m_flag & MDELETED) == 0) {
77			dot = mp;
78			goto hitit;
79			}
80			if (*ip2 != 0)
81			ip2++;
82			if (*ip2 == 0)
83			ip2 = msgvec;
84			} while (ip2 != ip);
85			puts("No messages applicable");
86			return(1);
87			}
88
89			/*
90			* If this is the first command, select message 1.
91			* Note that this must exist for us to get here at all.
92			*/
93			if (!sawcom)
94			goto hitit;
95
96			/*
97			* Just find the next good message after dot, no
98			* wraparound.
99			*/
100			for (mp = dot+1; mp < &message[msgCount]; mp++)
101			if ((mp->m_flag & (MDELETED\|MSAVED)) == 0)
102			break;
103			if (mp >= &message[msgCount]) {
104			puts("At EOF");
105			return(0);
106			}
107			dot = mp;
108			hitit:
109			/*
110			* Print dot.
111			*/
112			list[0] = dot - &message[0] + 1;
113			list[1] = 0;
114			return(type(list));
115			}
116
117			/*
118			* Save a message in a file. Mark the message as saved
119			* so we can discard when the user quits.
120			*/
121			int
122			save(void *v)
123			{
124			char *str = v;
125
126			return(save1(str, 1, "save", saveignore));
127			}
128
129			/*
130			* Copy a message to a file without affected its saved-ness
131			*/
132			int
133			copycmd(void *v)
134			{
135			char *str = v;
136
137			return(save1(str, 0, "copy", saveignore));
138			}
139
140			/*
141			* Save/copy the indicated messages at the end of the passed file name.
142			* If mark is true, mark the message "saved."
143			*/
144			int
145			save1(char str, int mark, char cmd, struct ignoretab *ignore)
146			{
147			struct message *mp;
148			char file, disp;
149			int f, msgvec, ip;
150			FILE *obuf;
151
152			msgvec = (int )salloc((msgCount + 2) sizeof(*msgvec));
153			if ((file = snarf(str, &f)) == NULL)
154			return(1);
155			if (!f) {
156			*msgvec = first(0, MMNORM);
157			if (*msgvec == 0) {
158			printf("No messages to %s.\n", cmd);
159			return(1);
160			}
161			msgvec[1] = 0;
162			}
163			if (f && getmsglist(str, msgvec, 0) < 0)
164			return(1);
165			if ((file = expand(file)) == NULL)
166			return(1);
167			printf("\"%s\" ", file);
168			fflush(stdout);
169			if (access(file, F_OK) >= 0)
170			disp = "[Appended]";
171			else
172			disp = "[New file]";
173			if ((obuf = Fopen(file, "a")) == NULL) {
174			warn(NULL);
175			return(1);
176			}
177			for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
178			mp = &message[*ip - 1];
179			touch(mp);
180			if (sendmessage(mp, obuf, ignore, NULL) < 0) {
181			warn("%s", file);
182			(void)Fclose(obuf);
183			return(1);
184			}
185			if (mark)
186			mp->m_flag \|= MSAVED;
187			}
188			fflush(obuf);
189			if (ferror(obuf))
190			warn("%s", file);
191			(void)Fclose(obuf);
192			printf("%s\n", disp);
193			return(0);
194			}
195
196			/*
197			* Write the indicated messages at the end of the passed
198			* file name, minus header and trailing blank line.
199			*/
200			int
201			swrite(void *v)
202			{
203			char *str = v;
204
205			return(save1(str, 1, "write", ignoreall));
206			}
207
208			/*
209			* Snarf the file from the end of the command line and
210			* return a pointer to it. If there is no file attached,
211			* just return NULL. Put a null in front of the file
212			* name so that the message list processing won't see it,
213			* unless the file name is the only thing on the line, in
214			* which case, return 0 in the reference flag variable.
215			*/
216			char *
217			snarf(char linebuf, int flag)
218			{
219			char *cp;
220
221			*flag = 1;
222			cp = strlen(linebuf) + linebuf - 1;
223
224			/*
225			* Strip away trailing blanks.
226			*/
227			while (cp > linebuf && isspace((unsigned char)*cp))
228			cp--;
229			*++cp = 0;
230
231			/*
232			* Now search for the beginning of the file name.
233			*/
234			while (cp > linebuf && !isspace((unsigned char)*cp))
235			cp--;
236			if (*cp == '\0') {
237			puts("No file specified.");
238			return(NULL);
239			}
240			if (isspace((unsigned char)*cp))
241			*cp++ = 0;
242			else
243			*flag = 0;
244			return(cp);
245			}
246
247			/*
248			* Delete messages.
249			*/
250			int
251			deletecmd(void *v)
252			{
253			int *msgvec = v;
254
255			delm(msgvec);
256			return(0);
257			}
258
259			/*
260			* Delete messages, then type the new dot.
261			*/
262			int
263			deltype(void *v)
264			{
265			int *msgvec = v;
266			int list[2];
267			int lastdot;
268
269			lastdot = dot - &message[0] + 1;
270			if (delm(msgvec) >= 0) {
271			list[0] = dot - &message[0] + 1;
272			if (list[0] > lastdot) {
273			touch(dot);
274			list[1] = 0;
275			return(type(list));
276			}
277			puts("At EOF");
278			} else
279			puts("No more messages");
280			return(0);
281			}
282
283			/*
284			* Delete the indicated messages.
285			* Set dot to some nice place afterwards.
286			* Internal interface.
287			*/
288			int
289			delm(int *msgvec)
290			{
291			struct message *mp;
292			int *ip, last;
293
294			last = 0;
295			for (ip = msgvec; *ip != 0; ip++) {
296			mp = &message[*ip - 1];
297			touch(mp);
298			mp->m_flag \|= MDELETED\|MTOUCH;
299			mp->m_flag &= ~(MPRESERVE\|MSAVED\|MBOX);
300			last = *ip;
301			}
302			if (last != 0) {
303			dot = &message[last-1];
304			last = first(0, MDELETED);
305			if (last != 0) {
306			dot = &message[last-1];
307			return(0);
308			}
309			else {
310			dot = &message[0];
311			return(-1);
312			}
313			}
314
315			/*
316			* Following can't happen
317			*/
318			return(-1);
319			}
320
321			/*
322			* Undelete the indicated messages.
323			*/
324			int
325			undeletecmd(void *v)
326			{
327			int *msgvec = v;
328			int *ip;
329			struct message *mp;
330
331			for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
332			mp = &message[*ip - 1];
333			touch(mp);
334			dot = mp;
335			mp->m_flag &= ~MDELETED;
336			}
337			return(0);
338			}
339
340			/*
341			* Add the given header fields to the retained list.
342			* If no arguments, print the current list of retained fields.
343			*/
344			int
345			retfield(void *v)
346			{
347			char **list = v;
348
349			return(ignore1(list, ignore + 1, "retained"));
350			}
351
352			/*
353			* Add the given header fields to the ignored list.
354			* If no arguments, print the current list of ignored fields.
355			*/
356			int
357			igfield(void *v)
358			{
359		4	char **list = v;
360
361		2	return(ignore1(list, ignore, "ignored"));
362			}
363
364			int
365			saveretfield(void *v)
366			{
367			char **list = v;
368
369			return(ignore1(list, saveignore + 1, "retained"));
370			}
371
372			int
373			saveigfield(void *v)
374			{
375			char **list = v;
376
377			return(ignore1(list, saveignore, "ignored"));
378			}
379
380			int
381			ignore1(char *list, struct ignoretab tab, char *which)
382			{
383		4	char field[LINESIZE];
384			char **ap;
385			struct ignore *igp;
386			int h;
387
388	✗✓	2	if (*list == NULL)
389			return(igshow(tab, which));
390	✓✓	32	for (ap = list; *ap != 0; ap++) {
391		14	istrlcpy(field, *ap, sizeof(field));
392	✓✗	14	if (member(field, tab))
393			continue;
394		14	h = hash(field);
395		14	igp = calloc(1, sizeof(struct ignore));
396	✗✓	14	if (igp == NULL)
397			err(1, "calloc");
398		14	igp->i_field = strdup(field);
399	✗✓	14	if (igp->i_field == NULL)
400			err(1, "strdup");
401		14	igp->i_link = tab->i_head[h];
402		14	tab->i_head[h] = igp;
403		14	tab->i_count++;
404		14	}
405		2	return(0);
406		2	}
407
408			/*
409			* Print out all currently retained fields.
410			*/
411			int
412			igshow(struct ignoretab tab, char which)
413			{
414			int h;
415			struct ignore *igp;
416			char ap, ring;
417
418			if (tab->i_count == 0) {
419			printf("No fields currently being %s.\n", which);
420			return(0);
421			}
422			ring = (char *)salloc((tab->i_count + 1) sizeof(char *));
423			ap = ring;
424			for (h = 0; h < HSHSIZE; h++)
425			for (igp = tab->i_head[h]; igp != 0; igp = igp->i_link)
426			*ap++ = igp->i_field;
427			*ap = 0;
428			qsort(ring, tab->i_count, sizeof(char *), igcomp);
429			for (ap = ring; *ap != 0; ap++)
430			puts(*ap);
431			return(0);
432			}
433
434			/*
435			* Compare two names for sorting ignored field list.
436			*/
437			static int
438			igcomp(const void l, const void r)
439			{
440
441			return(strcmp((char )l, (char **)r));
442			}