Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/calendar/io.c	Lines:	149	245	60.8 %
Date:	2017-11-07	Branches:	112	219	51.1 %


/*	$OpenBSD: io.c,v 1.47 2017/09/25 19:13:56 krw Exp $	*/

/*
 * Copyright (c) 1989, 1993, 1994
 *	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 <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>

#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <locale.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <limits.h>

#include "pathnames.h"
#include "calendar.h"


struct iovec header[] = {
	{ "From: ", 6 },
	{ NULL, 0 },
	{ " (Reminder Service)\nTo: ", 24 },
	{ NULL, 0 },
	{ "\nSubject: ", 10 },
	{ NULL, 0 },
	{ "'s Calendar\nPrecedence: bulk\n",  29 },
	{ "Auto-Submitted: auto-generated\n\n", 32 },
};


void
cal(void)
{
	int ch, l, i, bodun = 0, bodun_maybe = 0, var, printing;
	struct event *events, *cur_evt, *ev1, *tmp;
	char buf[2048 + 1], *prefix = NULL, *p;
	struct match *m;
	FILE *fp;

	events = NULL;
	cur_evt = NULL;
	if ((fp = opencal()) == NULL)
		return;
	for (printing = 0; fgets(buf, sizeof(buf), stdin) != NULL;) {
		if ((p = strchr(buf, '\n')) != NULL)
			*p = '\0';
		else
			while ((ch = getchar()) != '\n' && ch != EOF);
		for (l = strlen(buf); l > 0 && isspace(buf[l - 1]); l--)
			;
		buf[l] = '\0';
		if (buf[0] == '\0')
			continue;
		if (strncmp(buf, "LANG=", 5) == 0) {
			(void) setlocale(LC_ALL, buf + 5);
			setnnames();
			if (!strcmp(buf + 5, "ru_RU.UTF-8") ||
			    !strcmp(buf + 5, "uk_UA.UTF-8") ||
			    !strcmp(buf + 5, "by_BY.UTF-8")) {
				bodun_maybe++;
				bodun = 0;
				free(prefix);
				prefix = NULL;
			} else
				bodun_maybe = 0;
			continue;
		} else if (strncmp(buf, "CALENDAR=", 9) == 0) {
			char *ep;

			if (buf[9] == '\0')
				calendar = 0;
			else if (!strcasecmp(buf + 9, "julian")) {
				calendar = JULIAN;
				errno = 0;
				julian = strtoul(buf + 14, &ep, 10);
				if (buf[0] == '\0' || *ep != '\0')
					julian = 13;
				if ((errno == ERANGE && julian == ULONG_MAX) ||
				    julian > 14)
					errx(1, "Julian calendar offset is too large");
			} else if (!strcasecmp(buf + 9, "gregorian"))
				calendar = GREGORIAN;
			else if (!strcasecmp(buf + 9, "lunar"))
				calendar = LUNAR;
		} else if (bodun_maybe && strncmp(buf, "BODUN=", 6) == 0) {
			bodun++;
			free(prefix);
			if ((prefix = strdup(buf + 6)) == NULL)
				err(1, NULL);
			continue;
		}
		/* User defined names for special events */
		if ((p = strchr(buf, '='))) {
			for (i = 0; i < NUMEV; i++) {
				if (strncasecmp(buf, spev[i].name,
				    spev[i].nlen) == 0 &&
				    (p - buf == spev[i].nlen) &&
				    buf[spev[i].nlen + 1]) {
					p++;
					free(spev[i].uname);
					if ((spev[i].uname = strdup(p)) == NULL)
						err(1, NULL);
					spev[i].ulen = strlen(p);
					i = NUMEV + 1;
				}
			}
			if (i > NUMEV)
				continue;
		}
		if (buf[0] != '\t') {
			printing = (m = isnow(buf, bodun)) ? 1 : 0;
			if ((p = strchr(buf, '\t')) == NULL) {
				printing = 0;
				continue;
			}
			/* Need the following to catch hardwired "variable"
			 * dates */
			if (p > buf && p[-1] == '*')
				var = 1;
			else
				var = 0;
			if (printing) {
				struct match *foo;

				ev1 = NULL;
				while (m) {
					cur_evt = malloc(sizeof(struct event));
					if (cur_evt == NULL)
						err(1, NULL);

					cur_evt->when = m->when;
					snprintf(cur_evt->print_date,
					    sizeof(cur_evt->print_date), "%s%c",
					    m->print_date, (var + m->var) ? '*' : ' ');
					if (ev1) {
						cur_evt->desc = ev1->desc;
						cur_evt->ldesc = NULL;
					} else {
						if (m->bodun && prefix) {
							if (asprintf(&cur_evt->ldesc,
							    "\t%s %s", prefix,
							    p + 1) == -1)
								err(1, NULL);
						} else if ((cur_evt->ldesc =
						    strdup(p)) == NULL)
							err(1, NULL);
						cur_evt->desc = &(cur_evt->ldesc);
						ev1 = cur_evt;
					}
					insert(&events, cur_evt);
					foo = m;
					m = m->next;
					free(foo);
				}
			}
		} else if (printing) {
			if (asprintf(&p, "%s\n%s", ev1->ldesc,
			    buf) == -1)
				err(1, NULL);
			free(ev1->ldesc);
			ev1->ldesc = p;
		}
	}
	tmp = events;
	while (tmp) {
		(void)fprintf(fp, "%s%s\n", tmp->print_date, *(tmp->desc));
		tmp = tmp->next;
	}
	tmp = events;
	while (tmp) {
		events = tmp;
		free(tmp->ldesc);
		tmp = tmp->next;
		free(events);
	}
	closecal(fp);
}

int
getfield(char *p, char **endp, int *flags)
{
	int val, var, i;
	char *start, savech;

	for (; !isdigit((unsigned char)*p) && !isalpha((unsigned char)*p) &&
	    *p != '*' && *p != '\t'; ++p)
		;
	if (*p == '*') {			/* `*' is every month */
		*flags |= F_ISMONTH;
		*endp = p+1;
		return (-1);	/* means 'every month' */
	}
	if (isdigit((unsigned char)*p)) {
		val = strtol(p, &p, 10);	/* if 0, it's failure */
		for (; !isdigit((unsigned char)*p) &&
		    !isalpha((unsigned char)*p) && *p != '*'; ++p)
			;
		*endp = p;
		return (val);
	}
	for (start = p; isalpha((unsigned char)*++p);)
		;

	/* Sunday-1 */
	if (*p == '+' || *p == '-')
		for(; isdigit((unsigned char)*++p); )
			;

	savech = *p;
	*p = '\0';

	/* Month */
	if ((val = getmonth(start)) != 0)
		*flags |= F_ISMONTH;

	/* Day */
	else if ((val = getday(start)) != 0) {
		*flags |= F_ISDAY;

		/* variable weekday */
		if ((var = getdayvar(start)) != 0) {
			if (var <= 5 && var >= -4)
				val += var * 10;
#ifdef DEBUG
			printf("var: %d\n", var);
#endif
		}
	}

	/* Try specials (Easter, Paskha, ...) */
	else {
		for (i = 0; i < NUMEV; i++) {
			if (strncasecmp(start, spev[i].name, spev[i].nlen) == 0) {
				start += spev[i].nlen;
				val = i + 1;
				i = NUMEV + 1;
			} else if (spev[i].uname != NULL &&
			    strncasecmp(start, spev[i].uname, spev[i].ulen) == 0) {
				start += spev[i].ulen;
				val = i + 1;
				i = NUMEV + 1;
			}
		}
		if (i > NUMEV) {
			const char *errstr;

			switch (*start) {
			case '-':
			case '+':
				var = strtonum(start + 1, 0, 365, &errstr);
				if (errstr)
					return (0); /* Someone is just being silly */
				if (*start == '-')
					var = -var;
				val += (NUMEV + 1) * var;
				/* We add one to the matching event and multiply by
				 * (NUMEV + 1) so as not to return 0 if there's a match.
				 * val will overflow if there is an obscenely large
				 * number of special events. */
				break;
			}
			*flags |= F_SPECIAL;
		}
		if (!(*flags & F_SPECIAL)) {
			/* undefined rest */
			*p = savech;
			return (0);
		}
	}
	for (*p = savech; !isdigit((unsigned char)*p) &&
	    !isalpha((unsigned char)*p) && *p != '*' && *p != '\t'; ++p)
		;
	*endp = p;
	return (val);
}


FILE *
opencal(void)
{
	int pdes[2], fdin;
	struct stat st;

	/* open up calendar file as stdin */
	if ((fdin = open(calendarFile, O_RDONLY)) == -1 ||
	    fstat(fdin, &st) == -1 || !S_ISREG(st.st_mode)) {
		if (!doall) {
			char *home = getenv("HOME");
			if (home == NULL || *home == '\0')
				errx(1, "cannot get home directory");
			if (!(chdir(home) == 0 &&
			    chdir(calendarHome) == 0 &&
			    (fdin = open(calendarFile, O_RDONLY)) != -1))
				errx(1, "no calendar file: ``%s'' or ``~/%s/%s''",
				    calendarFile, calendarHome, calendarFile);
		}
	}

	if (pipe(pdes) < 0) {
		close(fdin);
		return (NULL);
	}
	switch (vfork()) {
	case -1:			/* error */
		(void)close(pdes[0]);
		(void)close(pdes[1]);
		close(fdin);
		return (NULL);
	case 0:
		dup2(fdin, STDIN_FILENO);
		/* child -- set stdout to pipe input */
		if (pdes[1] != STDOUT_FILENO) {
			(void)dup2(pdes[1], STDOUT_FILENO);
			(void)close(pdes[1]);
		}
		(void)close(pdes[0]);
		/*
		 * Set stderr to /dev/null.  Necessary so that cron does not
		 * wait for cpp to finish if it's running calendar -a.
		 */
		if (doall) {
			int fderr;
			fderr = open(_PATH_DEVNULL, O_WRONLY, 0);
			if (fderr == -1)
				_exit(0);
			(void)dup2(fderr, STDERR_FILENO);
			(void)close(fderr);
		}
		execl(_PATH_CPP, "cpp", "-traditional", "-undef", "-U__GNUC__",
		    "-P", "-I.", _PATH_INCLUDE, (char *)NULL);
		warn(_PATH_CPP);
		_exit(1);
	}
	/* parent -- set stdin to pipe output */
	(void)dup2(pdes[0], STDIN_FILENO);
	(void)close(pdes[0]);
	(void)close(pdes[1]);

	/* not reading all calendar files, just set output to stdout */
	if (!doall)
		return (stdout);

	/* set output to a temporary file, so if no output don't send mail */
	return(tmpfile());
}

void
closecal(FILE *fp)
{
	struct stat sbuf;
	int nread, pdes[2], status;
	char buf[1024];
	pid_t pid = -1;

	if (!doall)
		return;

	(void)rewind(fp);
	if (fstat(fileno(fp), &sbuf) || !sbuf.st_size)
		goto done;
	if (pipe(pdes) < 0)
		goto done;
	switch ((pid = vfork())) {
	case -1:			/* error */
		(void)close(pdes[0]);
		(void)close(pdes[1]);
		goto done;
	case 0:
		/* child -- set stdin to pipe output */
		if (pdes[0] != STDIN_FILENO) {
			(void)dup2(pdes[0], STDIN_FILENO);
			(void)close(pdes[0]);
		}
		(void)close(pdes[1]);
		execl(_PATH_SENDMAIL, "sendmail", "-i", "-t", "-F",
		    "\"Reminder Service\"", (char *)NULL);
		warn(_PATH_SENDMAIL);
		_exit(1);
	}
	/* parent -- write to pipe input */
	(void)close(pdes[0]);

	header[1].iov_base = header[3].iov_base = pw->pw_name;
	header[1].iov_len = header[3].iov_len = strlen(pw->pw_name);
	writev(pdes[1], header, 8);
	while ((nread = read(fileno(fp), buf, sizeof(buf))) > 0)
		(void)write(pdes[1], buf, nread);
	(void)close(pdes[1]);
done:	(void)fclose(fp);
	if (pid != -1) {
		while (waitpid(pid, &status, 0) == -1) {
			if (errno != EINTR)
				break;
		}
	}
}


void
insert(struct event **head, struct event *cur_evt)
{
	struct event *tmp, *tmp2;

	if (*head) {
		/* Insert this one in order */
		tmp = *head;
		tmp2 = NULL;
		while (tmp->next &&
		    tmp->when <= cur_evt->when) {
			tmp2 = tmp;
			tmp = tmp->next;
		}
		if (tmp->when > cur_evt->when) {
			cur_evt->next = tmp;
			if (tmp2)
				tmp2->next = cur_evt;
			else
				*head = cur_evt;
		} else {
			cur_evt->next = tmp->next;
			tmp->next = cur_evt;
		}
	} else {
		*head = cur_evt;
		cur_evt->next = NULL;
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: io.c,v 1.47 2017/09/25 19:13:56 krw Exp $ */
2
3			/*
4			* Copyright (c) 1989, 1993, 1994
5			* The Regents of the University of California. All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without
8			* modification, are permitted provided that the following conditions
9			* are met:
10			* 1. Redistributions of source code must retain the above copyright
11			* notice, this list of conditions and the following disclaimer.
12			* 2. Redistributions in binary form must reproduce the above copyright
13			* notice, this list of conditions and the following disclaimer in the
14			* documentation and/or other materials provided with the distribution.
15			* 3. Neither the name of the University nor the names of its contributors
16			* may be used to endorse or promote products derived from this software
17			* without specific prior written permission.
18			*
19			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29			* SUCH DAMAGE.
30			*/
31
32			#include <sys/stat.h>
33			#include <sys/time.h>
34			#include <sys/types.h>
35			#include <sys/uio.h>
36			#include <sys/wait.h>
37
38			#include <ctype.h>
39			#include <err.h>
40			#include <errno.h>
41			#include <fcntl.h>
42			#include <locale.h>
43			#include <pwd.h>
44			#include <stdio.h>
45			#include <stdlib.h>
46			#include <string.h>
47			#include <unistd.h>
48			#include <limits.h>
49
50			#include "pathnames.h"
51			#include "calendar.h"
52
53
54			struct iovec header[] = {
55			{ "From: ", 6 },
56			{ NULL, 0 },
57			{ " (Reminder Service)\nTo: ", 24 },
58			{ NULL, 0 },
59			{ "\nSubject: ", 10 },
60			{ NULL, 0 },
61			{ "'s Calendar\nPrecedence: bulk\n", 29 },
62			{ "Auto-Submitted: auto-generated\n\n", 32 },
63			};
64
65
66			void
67			cal(void)
68			{
69			int ch, l, i, bodun = 0, bodun_maybe = 0, var, printing;
70		13158	struct event events, cur_evt, ev1, tmp;
71		6579	char buf[2048 + 1], prefix = NULL, p;
72			struct match *m;
73			FILE *fp;
74
75		6579	events = NULL;
76			cur_evt = NULL;
77	✗✓	6579	if ((fp = opencal()) == NULL)
78			return;
79	✓✓	17519877	for (printing = 0; fgets(buf, sizeof(buf), stdin) != NULL;) {
80	✓✗	17506719	if ((p = strchr(buf, '\n')) != NULL)
81		17506719	*p = '\0';
82			else
83			while ((ch = getchar()) != '\n' && ch != EOF);
84	✓✗✗✓	52520157	for (l = strlen(buf); l > 0 && isspace(buf[l - 1]); l--)
85			;
86		17506719	buf[l] = '\0';
87	✗✓	17506719	if (buf[0] == '\0')
88			continue;
89	✗✓	17506719	if (strncmp(buf, "LANG=", 5) == 0) {
90			(void) setlocale(LC_ALL, buf + 5);
91			setnnames();
92			if (!strcmp(buf + 5, "ru_RU.UTF-8") \|\|
93			!strcmp(buf + 5, "uk_UA.UTF-8") \|\|
94			!strcmp(buf + 5, "by_BY.UTF-8")) {
95			bodun_maybe++;
96			bodun = 0;
97			free(prefix);
98			prefix = NULL;
99			} else
100			bodun_maybe = 0;
101			continue;
102	✗✓	17506719	} else if (strncmp(buf, "CALENDAR=", 9) == 0) {
103			char *ep;
104
105			if (buf[9] == '\0')
106			calendar = 0;
107			else if (!strcasecmp(buf + 9, "julian")) {
108			calendar = JULIAN;
109			errno = 0;
110			julian = strtoul(buf + 14, &ep, 10);
111			if (buf[0] == '\0' \|\| *ep != '\0')
112			julian = 13;
113			if ((errno == ERANGE && julian == ULONG_MAX) \|\|
114			julian > 14)
115			errx(1, "Julian calendar offset is too large");
116			} else if (!strcasecmp(buf + 9, "gregorian"))
117			calendar = GREGORIAN;
118			else if (!strcasecmp(buf + 9, "lunar"))
119			calendar = LUNAR;
120	✗✓✗✗	17506719	} else if (bodun_maybe && strncmp(buf, "BODUN=", 6) == 0) {
121			bodun++;
122			free(prefix);
123			if ((prefix = strdup(buf + 6)) == NULL)
124			err(1, NULL);
125			continue;
126			}
127			/* User defined names for special events */
128	✓✓	17506719	if ((p = strchr(buf, '='))) {
129	✓✓	39474	for (i = 0; i < NUMEV; i++) {
130	✓✗	32895	if (strncasecmp(buf, spev[i].name,
131	✓✓	26316	spev[i].nlen) == 0 &&
132	✓✗	6579	(p - buf == spev[i].nlen) &&
133		6579	buf[spev[i].nlen + 1]) {
134		6579	p++;
135		6579	free(spev[i].uname);
136	✗✓	6579	if ((spev[i].uname = strdup(p)) == NULL)
137			err(1, NULL);
138		6579	spev[i].ulen = strlen(p);
139			i = NUMEV + 1;
140		6579	}
141			}
142	✓✗	6579	if (i > NUMEV)
143			continue;
144			}
145	✓✓	17500140	if (buf[0] != '\t') {
146		15493545	printing = (m = isnow(buf, bodun)) ? 1 : 0;
147	✗✓	15493545	if ((p = strchr(buf, '\t')) == NULL) {
148			printing = 0;
149			continue;
150			}
151			/* Need the following to catch hardwired "variable"
152			* dates */
153	✓✗✓✓	30987090	if (p > buf && p[-1] == '*')
154		210528	var = 1;
155			else
156			var = 0;
157	✓✓	15493545	if (printing) {
158			struct match *foo;
159
160			ev1 = NULL;
161	✓✓	712728	while (m) {
162		178182	cur_evt = malloc(sizeof(struct event));
163	✗✓	178182	if (cur_evt == NULL)
164			err(1, NULL);
165
166		178182	cur_evt->when = m->when;
167		356364	snprintf(cur_evt->print_date,
168			sizeof(cur_evt->print_date), "%s%c",
169		178182	m->print_date, (var + m->var) ? '*' : ' ');
170	✗✓	178182	if (ev1) {
171			cur_evt->desc = ev1->desc;
172			cur_evt->ldesc = NULL;
173			} else {
174	✗✓	178182	if (m->bodun && prefix) {
175			if (asprintf(&cur_evt->ldesc,
176			"\t%s %s", prefix,
177			p + 1) == -1)
178			err(1, NULL);
179	✗✓	356364	} else if ((cur_evt->ldesc =
180		356364	strdup(p)) == NULL)
181			err(1, NULL);
182		178182	cur_evt->desc = &(cur_evt->ldesc);
183			ev1 = cur_evt;
184			}
185		178182	insert(&events, cur_evt);
186			foo = m;
187		178182	m = m->next;
188		178182	free(foo);
189			}
190		178182	}
191	✓✓	2006595	} else if (printing) {
192	✗✓	25146	if (asprintf(&p, "%s\n%s", ev1->ldesc,
193		12573	buf) == -1)
194			err(1, NULL);
195		12573	free(ev1->ldesc);
196		12573	ev1->ldesc = p;
197		12573	}
198			}
199		6579	tmp = events;
200	✓✓	369522	while (tmp) {
201		178182	(void)fprintf(fp, "%s%s\n", tmp->print_date, *(tmp->desc));
202		178182	tmp = tmp->next;
203			}
204		6579	tmp = events;
205	✓✓	369522	while (tmp) {
206		178182	events = tmp;
207		178182	free(tmp->ldesc);
208		178182	tmp = tmp->next;
209		178182	free(events);
210			}
211		6579	closecal(fp);
212		13158	}
213
214			int
215			getfield(char p, char endp, int flags)
216			{
217			int val, var, i;
218			char *start, savech;
219
220	✓✓✓✓ ✗✓	80105904	for (; !isdigit((unsigned char)p) && !isalpha((unsigned char)p) &&
221	✓✓	2131596	p != '' && *p != '\t'; ++p)
222			;
223	✓✓	30967353	if (p == '') { /* `' is every month /
224		210528	*flags \|= F_ISMONTH;
225		210528	*endp = p+1;
226		210528	return (-1); /* means 'every month' */
227			}
228	✓✓	30756825	if (isdigit((unsigned char)*p)) {
229		13756689	val = strtol(p, &p, 10); /* if 0, it's failure */
230	✓✓✓✓	68987394	for (; !isdigit((unsigned char)*p) &&
231	✓✓	51217515	!isalpha((unsigned char)p) && p != '*'; ++p)
232			;
233		13756689	*endp = p;
234		13756689	return (val);
235			}
236	✓✓	102007395	for (start = p; isalpha((unsigned char)*++p);)
237			;
238
239			/* Sunday-1 */
240	✓✓✓✓	24789672	if (p == '+' \|\| p == '-')
241	✓✓	19908054	for(; isdigit((unsigned char)*++p); )
242			;
243
244		17000136	savech = *p;
245		17000136	*p = '\0';
246
247			/* Month */
248	✓✓	17000136	if ((val = getmonth(start)) != 0)
249		6855318	*flags \|= F_ISMONTH;
250
251			/* Day */
252	✓✓	10144818	else if ((val = getday(start)) != 0) {
253		9164547	*flags \|= F_ISDAY;
254
255			/* variable weekday */
256	✓✓	9164547	if ((var = getdayvar(start)) != 0) {
257	✓✗	9118494	if (var <= 5 && var >= -4)
258		9118494	val += var * 10;
259			#ifdef DEBUG
260			printf("var: %d\n", var);
261			#endif
262			}
263			}
264
265			/* Try specials (Easter, Paskha, ...) */
266			else {
267	✓✓	7815852	for (i = 0; i < NUMEV; i++) {
268	✓✓	2927655	if (strncasecmp(start, spev[i].name, spev[i].nlen) == 0) {
269		13158	start += spev[i].nlen;
270		13158	val = i + 1;
271			i = NUMEV + 1;
272	✓✓✓✓	3072393	} else if (spev[i].uname != NULL &&
273		144738	strncasecmp(start, spev[i].uname, spev[i].ulen) == 0) {
274		6579	start += spev[i].ulen;
275		6579	val = i + 1;
276			i = NUMEV + 1;
277		6579	}
278			}
279	✓✓	980271	if (i > NUMEV) {
280		26316	const char *errstr;
281
282	✗✓✓	26316	switch (*start) {
283			case '-':
284			case '+':
285		6579	var = strtonum(start + 1, 0, 365, &errstr);
286	✗✓	6579	if (errstr)
287			return (0); /* Someone is just being silly */
288	✓✗	6579	if (*start == '-')
289		6579	var = -var;
290		6579	val += (NUMEV + 1) * var;
291			/* We add one to the matching event and multiply by
292			* (NUMEV + 1) so as not to return 0 if there's a match.
293			* val will overflow if there is an obscenely large
294			* number of special events. */
295		6579	break;
296			}
297		19737	*flags \|= F_SPECIAL;
298	✓✗	39474	}
299	✓✓	980271	if (!(*flags & F_SPECIAL)) {
300			/* undefined rest */
301		960534	*p = savech;
302		960534	return (0);
303			}
304			}
305	✓✓✓✓	63678141	for (p = savech; !isdigit((unsigned char)p) &&
306	✓✓✓✗	63678141	!isalpha((unsigned char)p) && p != '' && p != '\t'; ++p)
307			;
308		16039602	*endp = p;
309		16039602	return (val);
310		30967353	}
311
312
313			FILE *
314			opencal(void)
315			{
316		13158	int pdes[2], fdin;
317		6579	struct stat st;
318
319			/* open up calendar file as stdin */
320	✓✗✗✓	13158	if ((fdin = open(calendarFile, O_RDONLY)) == -1 \|\|
321	✓✗	13158	fstat(fdin, &st) == -1 \|\| !S_ISREG(st.st_mode)) {
322	✗✗	6579	if (!doall) {
323			char *home = getenv("HOME");
324			if (home == NULL \|\| *home == '\0')
325			errx(1, "cannot get home directory");
326			if (!(chdir(home) == 0 &&
327			chdir(calendarHome) == 0 &&
328			(fdin = open(calendarFile, O_RDONLY)) != -1))
329			errx(1, "no calendar file: ``%s'' or ``~/%s/%s''",
330			calendarFile, calendarHome, calendarFile);
331			}
332			}
333
334	✗✓	6579	if (pipe(pdes) < 0) {
335			close(fdin);
336			return (NULL);
337			}
338	✗✗✓	6579	switch (vfork()) {
339			case -1: /* error */
340			(void)close(pdes[0]);
341			(void)close(pdes[1]);
342			close(fdin);
343			return (NULL);
344			case 0:
345			dup2(fdin, STDIN_FILENO);
346			/* child -- set stdout to pipe input */
347			if (pdes[1] != STDOUT_FILENO) {
348			(void)dup2(pdes[1], STDOUT_FILENO);
349			(void)close(pdes[1]);
350			}
351			(void)close(pdes[0]);
352			/*
353			* Set stderr to /dev/null. Necessary so that cron does not
354			* wait for cpp to finish if it's running calendar -a.
355			*/
356			if (doall) {
357			int fderr;
358			fderr = open(_PATH_DEVNULL, O_WRONLY, 0);
359			if (fderr == -1)
360			_exit(0);
361			(void)dup2(fderr, STDERR_FILENO);
362			(void)close(fderr);
363			}
364			execl(_PATH_CPP, "cpp", "-traditional", "-undef", "-U__GNUC__",
365			"-P", "-I.", _PATH_INCLUDE, (char *)NULL);
366			warn(_PATH_CPP);
367			_exit(1);
368			}
369			/* parent -- set stdin to pipe output */
370		6579	(void)dup2(pdes[0], STDIN_FILENO);
371		6579	(void)close(pdes[0]);
372		6579	(void)close(pdes[1]);
373
374			/* not reading all calendar files, just set output to stdout */
375	✓✗	6579	if (!doall)
376		6579	return (stdout);
377
378			/* set output to a temporary file, so if no output don't send mail */
379			return(tmpfile());
380		6579	}
381
382			void
383			closecal(FILE *fp)
384			{
385		13158	struct stat sbuf;
386		6579	int nread, pdes[2], status;
387		6579	char buf[1024];
388			pid_t pid = -1;
389
390	✓✗	6579	if (!doall)
391		6579	return;
392
393			(void)rewind(fp);
394			if (fstat(fileno(fp), &sbuf) \|\| !sbuf.st_size)
395			goto done;
396			if (pipe(pdes) < 0)
397			goto done;
398			switch ((pid = vfork())) {
399			case -1: /* error */
400			(void)close(pdes[0]);
401			(void)close(pdes[1]);
402			goto done;
403			case 0:
404			/* child -- set stdin to pipe output */
405			if (pdes[0] != STDIN_FILENO) {
406			(void)dup2(pdes[0], STDIN_FILENO);
407			(void)close(pdes[0]);
408			}
409			(void)close(pdes[1]);
410			execl(_PATH_SENDMAIL, "sendmail", "-i", "-t", "-F",
411			"\"Reminder Service\"", (char *)NULL);
412			warn(_PATH_SENDMAIL);
413			_exit(1);
414			}
415			/* parent -- write to pipe input */
416			(void)close(pdes[0]);
417
418			header[1].iov_base = header[3].iov_base = pw->pw_name;
419			header[1].iov_len = header[3].iov_len = strlen(pw->pw_name);
420			writev(pdes[1], header, 8);
421			while ((nread = read(fileno(fp), buf, sizeof(buf))) > 0)
422			(void)write(pdes[1], buf, nread);
423			(void)close(pdes[1]);
424			done: (void)fclose(fp);
425			if (pid != -1) {
426			while (waitpid(pid, &status, 0) == -1) {
427			if (errno != EINTR)
428			break;
429			}
430			}
431		6579	}
432
433
434			void
435			insert(struct event *head, struct event cur_evt)
436			{
437			struct event tmp, tmp2;
438
439	✓✓	356364	if (*head) {
440			/* Insert this one in order */
441			tmp = *head;
442			tmp2 = NULL;
443	✓✓✓✓	5930712	while (tmp->next &&
444		1884582	tmp->when <= cur_evt->when) {
445			tmp2 = tmp;
446		1805301	tmp = tmp->next;
447			}
448	✓✓	171603	if (tmp->when > cur_evt->when) {
449		79281	cur_evt->next = tmp;
450		158562	if (tmp2)
451		79281	tmp2->next = cur_evt;
452			else
453			*head = cur_evt;
454		79281	} else {
455		92322	cur_evt->next = tmp->next;
456		92322	tmp->next = cur_evt;
457			}
458			} else {
459		6579	*head = cur_evt;
460		6579	cur_evt->next = NULL;
461			}
462		178182	}