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Use err(3). Silent -Wall.

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This commit is contained in:
Philippe Charnier 1997-09-02 06:37:48 +00:00
parent afe83a1cf7
commit 8ecd8ec971
2 changed files with 25 additions and 30 deletions
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2
usr.sbin/apmconf/apmconf.8
View file

@ -21,7 +21,7 @@
.Op Fl h
.Op Fl t
.Sh DESCRIPTION
.Nm apmconf
.Nm Apmconf
is used to configure the APM (Advanced Power Management) BIOS driver
.Xr apm 4
on laptop PCs.

53
usr.sbin/apmconf/apmconf.c
View file

@ -13,9 +13,16 @@
* 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>
#include <unistd.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <machine/apm_bios.h>
@ -31,7 +38,6 @@ static void
parse_option(void)
{
int i, option;
char *optarg;
enum {OPT_NONE, OPT_ENABLE, OPT_DISABLE, OPT_HALTCPU, OPT_NOTHALTCPU} mode;
for (i = 1; i < main_argc; i++) {
@ -56,15 +62,12 @@ parse_option(void)
option = 0;
break;
default:
fprintf(stderr, "%s: Unknown option '%s.'\n", main_argv[0], main_argv[i]);
exit(1);
errx(1, "unknown option '%s'", main_argv[i]);
}
}
if (option) {
if (i == main_argc - 1) {
fprintf(stderr, "%s: Option '%s' needs arguments.\n", main_argv[0], main_argv[i]);
exit(1);
}
if (i == main_argc - 1)
errx(1, "option '%s' needs arguments", main_argv[i]);
optarg = main_argv[++i];
}
@ -81,6 +84,8 @@ parse_option(void)
case OPT_NOTHALTCPU:
nothaltcpu = 1;
break;
case OPT_NONE:
break;
}
}
}
@ -88,50 +93,40 @@ parse_option(void)
static void
enable_apm(int dh)
{
if (ioctl(dh, APMIO_ENABLE, NULL) == -1) {
fprintf(stderr, "%s: Can't ioctl APMIO_ENABLE.\n", main_argv[0]);
exit(1);
}
if (ioctl(dh, APMIO_ENABLE, NULL) == -1)
errx(1, "can't ioctl APMIO_ENABLE");
}
static void
disable_apm(int dh)
{
if (ioctl(dh, APMIO_DISABLE, NULL) == -1) {
fprintf(stderr, "%s: Can't ioctl APMIO_DISABLE.\n", main_argv[0]);
exit(1);
}
if (ioctl(dh, APMIO_DISABLE, NULL) == -1)
errx(1, "can't ioctl APMIO_DISABLE");
}
static void
haltcpu_apm(int dh)
{
if (ioctl(dh, APMIO_HALTCPU, NULL) == -1) {
fprintf(stderr, "%s: Can't ioctl APMIO_HALTCPU.\n", main_argv[0]);
exit(1);
}
if (ioctl(dh, APMIO_HALTCPU, NULL) == -1)
errx(1, "can't ioctl APMIO_HALTCPU");
}
static void
nothaltcpu_apm(int dh)
{
if (ioctl(dh, APMIO_NOTHALTCPU, NULL) == -1) {
fprintf(stderr, "%s: Can't ioctl APMIO_NOTHALTCPU.\n", main_argv[0]);
exit(1);
}
if (ioctl(dh, APMIO_NOTHALTCPU, NULL) == -1)
errx(1, "can't ioctl APMIO_NOTHALTCPU");
}
int
main(int argc, char *argv[])
{
int i, dh;
FILE *fp;
int dh;
main_argc = argc;
main_argv = argv;
if ((dh = open(APMDEV, O_RDWR)) == -1) {
fprintf(stderr, "%s: Can't open '%s'\n", argv[0], APMDEV);
exit(1);
}
if ((dh = open(APMDEV, O_RDWR)) == -1)
errx(1, "can't open '%s'", APMDEV);
parse_option();
/* disable operation is executed first */