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Use err(3). Typo in man page.

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This commit is contained in:
charnier 1997-09-02 06:36:39 +00:00
parent 8a919505e4
commit 6039519c78
2 changed files with 24 additions and 25 deletions
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10
usr.sbin/apm/apm.8
View File

@ -21,17 +21,17 @@
.Pp
.Nm zzz
.Sh DESCRIPTION
.Nm apm
.Nm Apm
controls the Intel / Microsoft APM (Advanced Power Management) BIOS and
displays the current status of APM on laptop PCs.
.Nm zzz
.Nm Zzz
suspends the system by controlling APM.
.Pp
The following options are available for
.Nm apm
(no options are available for
.Nm zzz.
)
.Nm zzz
).
If no options are specified,
.Nm apm
displays information and current status of APM in verbose mode.
@ -70,7 +70,7 @@ Display the status of the APM support as an integer value. The values
.Dq enabled
state or
.Dq disabled
state respecitively
state respectively.
.It Fl z
Suspend the system. It is equivalent to
.Nm zzz.

39
usr.sbin/apm/apm.c
View File

@ -13,6 +13,12 @@
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
*/
#ifndef lint
static const char rcsid[] =
"$Id$";
#endif /* not lint */
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -23,31 +29,27 @@
#define APMDEV "/dev/apm"
static char *cmdname;
void
usage()
{
fprintf(stderr, "usage: %s [-ablsz] [-d 1|0]\n", cmdname);
fprintf(stderr, "%s\n%s\n",
"usage: apm [-ablsz] [-d 1|0]",
" zzz");
exit(1);
}
void
apm_suspend(int fd)
{
if (ioctl(fd, APMIO_SUSPEND, NULL) == -1) {
perror(cmdname);
exit(1);
}
if (ioctl(fd, APMIO_SUSPEND, NULL) == -1)
err(1, NULL);
}
void
apm_getinfo(int fd, apm_info_t aip)
{
if (ioctl(fd, APMIO_GETINFO, aip) == -1) {
perror(cmdname);
exit(1);
}
if (ioctl(fd, APMIO_GETINFO, aip) == -1)
err(1, NULL);
}
void
@ -93,22 +95,19 @@ print_all_info(apm_info_t aip)
void
apm_display(int fd, int newstate)
{
if (ioctl(fd, APMIO_DISPLAY, &newstate) == -1) {
perror(cmdname);
exit(1);
}
if (ioctl(fd, APMIO_DISPLAY, &newstate) == -1)
err(1, NULL);
}
extern char *optarg;
extern int optind;
int
main(int argc, char *argv[])
{
int c, fd;
int sleep = 0, all_info = 1, apm_status = 0, batt_status = 0;
int display = 0, batt_life = 0, ac_status = 0;
char *cmdname;
if ((cmdname = strrchr(argv[0], '/')) != NULL)
cmdname++;
@ -133,7 +132,7 @@ main(int argc, char *argv[])
case 'd':
display = *optarg - '0';
if (display < 0 || display > 1) {
fprintf(stderr, "%s: Argument of option '-%c' is invalid.\n", cmdname, c);
warnx("argument of option '-%c' is invalid", c);
usage();
}
display++;
@ -161,7 +160,7 @@ main(int argc, char *argv[])
finish_option:
fd = open(APMDEV, O_RDWR);
if (fd == -1) {
fprintf(stderr, "%s: Can't open %s.\n", cmdname, APMDEV);
warnx("can't open %s", APMDEV);
return 1;
}
if (sleep)