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use <sys/cdefs.h> copyright & RCSid macros 

include <unistd.h> for prototypes, reorder #includes, nuke old library
  function declarations
add explicit return types and prototypes for local functions
use STDOUT_FILENO instead of manifest constant
initialize variable for gcc -Wuninitialized (marked as such)
This commit is contained in:
mikel 1997-07-15 02:14:35 +00:00
parent c437b55ca7
commit 87d6b38c6d
1 changed files with 33 additions and 17 deletions
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50
usr.bin/leave/leave.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: leave.c,v 1.4 1995/07/03 16:50:13 phil Exp $ */
/* $NetBSD: leave.c,v 1.5 1997/07/15 02:14:35 mikel Exp $ */
/*
* Copyright (c) 1980, 1988, 1993
@ -33,23 +33,25 @@
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1980, 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
__COPYRIGHT("@(#) Copyright (c) 1980, 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)leave.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: leave.c,v 1.5 1997/07/15 02:14:35 mikel Exp $");
#endif
static char rcsid[] = "$NetBSD: leave.c,v 1.4 1995/07/03 16:50:13 phil Exp $";
#endif /* not lint */
#include <sys/param.h>
#include <sys/time.h>
#include <stdio.h>
#include <ctype.h>
#include <stdio.h>
#include <unistd.h>
/*
* leave [[+]hhmm]
@ -58,6 +60,12 @@ static char rcsid[] = "$NetBSD: leave.c,v 1.4 1995/07/03 16:50:13 phil Exp $";
* Leave prompts for input and goes away if you hit return.
* It nags you like a mother hen.
*/
int main __P((int argc, char **argv));
void doalarm __P((u_int));
void usage __P((void));
int
main(argc, argv)
int argc;
char **argv;
@ -65,14 +73,18 @@ main(argc, argv)
register u_int secs;
register int hours, minutes;
register char c, *cp;
struct tm *t, *localtime();
time_t now, time();
struct tm *t;
time_t now;
int plusnow;
char buf[50];
#ifdef __GNUC__
t = NULL; /* XXX gcc -Wuninitialized */
#endif
if (argc < 2) {
#define MSG1 "When do you have to leave? "
(void)write(1, MSG1, sizeof(MSG1) - 1);
(void)write(STDOUT_FILENO, MSG1, sizeof(MSG1) - 1);
cp = fgets(buf, sizeof(buf), stdin);
if (cp == NULL || *cp == '\n')
exit(0);
@ -102,7 +114,7 @@ main(argc, argv)
secs = hours * 60 * 60 + minutes * 60;
else {
if (hours > 23 || t->tm_hour > hours ||
t->tm_hour == hours && minutes <= t->tm_min)
(t->tm_hour == hours && minutes <= t->tm_min))
usage();
secs = (hours - t->tm_hour) * 60 * 60;
secs += (minutes - t->tm_min) * 60;
@ -111,15 +123,15 @@ main(argc, argv)
exit(0);
}
void
doalarm(secs)
u_int secs;
{
register int bother;
time_t daytime, time();
time_t daytime;
int pid;
char *ctime();
if (pid = fork()) {
if ((pid = fork()) != 0) {
(void)time(&daytime);
daytime += secs;
printf("Alarm set for %.16s. (pid %d)\n",
@ -136,7 +148,8 @@ doalarm(secs)
#define MSG2 "\07\07You have to leave in 5 minutes.\n"
if (secs >= FIVEMIN) {
sleep(secs - FIVEMIN);
if (write(1, MSG2, sizeof(MSG2) - 1) != sizeof(MSG2) - 1)
if (write(STDOUT_FILENO, MSG2, sizeof(MSG2) - 1) !=
sizeof(MSG2) - 1)
exit(0);
secs = FIVEMIN;
}
@ -145,22 +158,25 @@ doalarm(secs)
#define MSG3 "\07\07Just one more minute!\n"
if (secs >= ONEMIN) {
sleep(secs - ONEMIN);
if (write(1, MSG3, sizeof(MSG3) - 1) != sizeof(MSG3) - 1)
if (write(STDOUT_FILENO, MSG3, sizeof(MSG3) - 1) !=
sizeof(MSG3) - 1)
exit(0);
}
#define MSG4 "\07\07Time to leave!\n"
for (bother = 10; bother--;) {
sleep((u_int)ONEMIN);
if (write(1, MSG4, sizeof(MSG4) - 1) != sizeof(MSG4) - 1)
if (write(STDOUT_FILENO, MSG4, sizeof(MSG4) - 1) !=
sizeof(MSG4) - 1)
exit(0);
}
#define MSG5 "\07\07That was the last time I'll tell you. Bye.\n"
(void)write(1, MSG5, sizeof(MSG5) - 1);
(void)write(STDOUT_FILENO, MSG5, sizeof(MSG5) - 1);
exit(0);
}
void
usage()
{
fprintf(stderr, "usage: leave [[+]hhmm]\n");