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Use err(3). Correct incomplete man page.

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This commit is contained in:
Philippe Charnier 1997-07-16 06:49:49 +00:00
parent 5028762fea
commit 15fc002be8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=27443
2 changed files with 23 additions and 36 deletions
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4
usr.bin/kdump/kdump.1
View File

@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)kdump.1 8.1 (Berkeley) 6/6/93
.\" $Id$
.\" $Id: kdump.1,v 1.3 1997/04/27 08:45:44 jmg Exp $
.\"
.Dd June 6, 1993
.Dt KDUMP 1
@ -43,7 +43,7 @@
.Op Fl dnlRT
.Op Fl f Ar file
.Op Fl m Ar maxdata
.Op Fl t Op cnisu
.Op Fl t Op cnisuw
.Sh DESCRIPTION
The
.Nm

55
usr.bin/kdump/kdump.c
View File

@ -32,13 +32,17 @@
*/
#ifndef lint
static char copyright[] =
static const char copyright[] =
"@(#) Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93";
#endif
static const char rcsid[] =
"$Id$";
#endif /* not lint */
#define KERNEL
@ -52,11 +56,13 @@ extern int errno;
#include <sys/ktrace.h>
#include <sys/ioctl.h>
#include <sys/ptrace.h>
#include <vis.h>
#include <err.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#include <unistd.h>
#include <vis.h>
#include "ktrace.h"
int timestamp, decimal, fancy = 1, tail, maxdata;
@ -69,8 +75,6 @@ main(argc, argv)
int argc;
char *argv[];
{
extern int optind;
extern char *optarg;
int ch, ktrlen, size;
register void *m;
int trpoints = ALL_POINTS;
@ -102,12 +106,8 @@ main(argc, argv)
break;
case 't':
trpoints = getpoints(optarg);
if (trpoints < 0) {
(void)fprintf(stderr,
"kdump: unknown trace point in %s\n",
optarg);
exit(1);
}
if (trpoints < 0)
errx(1, "unknown trace point in %s", optarg);
break;
default:
usage();
@ -117,36 +117,23 @@ main(argc, argv)
usage();
m = (void *)malloc(size = 1025);
if (m == NULL) {
(void)fprintf(stderr, "kdump: %s.\n", strerror(ENOMEM));
exit(1);
}
if (!freopen(tracefile, "r", stdin)) {
(void)fprintf(stderr,
"kdump: %s: %s.\n", tracefile, strerror(errno));
exit(1);
}
if (m == NULL)
errx(1, "%s", strerror(ENOMEM));
if (!freopen(tracefile, "r", stdin))
err(1, "%s", tracefile);
while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
if (trpoints & (1<<ktr_header.ktr_type))
dumpheader(&ktr_header);
if ((ktrlen = ktr_header.ktr_len) < 0) {
(void)fprintf(stderr,
"kdump: bogus length 0x%x\n", ktrlen);
exit(1);
}
if ((ktrlen = ktr_header.ktr_len) < 0)
errx(1, "bogus length 0x%x", ktrlen);
if (ktrlen > size) {
m = (void *)realloc(m, ktrlen+1);
if (m == NULL) {
(void)fprintf(stderr,
"kdump: %s.\n", strerror(ENOMEM));
exit(1);
}
if (m == NULL)
errx(1, "%s", strerror(ENOMEM));
size = ktrlen;
}
if (ktrlen && fread_tail(m, ktrlen, 1) == 0) {
(void)fprintf(stderr, "kdump: data too short.\n");
exit(1);
}
if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
errx(1, "data too short");
if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
continue;
switch (ktr_header.ktr_type) {