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Avoid known unknown if the kernel presents us with an unknown

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unknown for module class and/or source.

related to PR kern/43014
This commit is contained in:
pooka 2010-03-19 16:25:33 +00:00
parent 8058413106
commit 23d5534a55
1 changed files with 18 additions and 5 deletions
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23
sbin/modstat/main.c
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@ -1,4 +1,4 @@
/* $NetBSD: main.c,v 1.9 2010/03/05 10:27:16 pooka Exp $ */ /* $NetBSD: main.c,v 1.10 2010/03/19 16:25:33 pooka Exp $ */
/*- /*-
* Copyright (c) 2008 The NetBSD Foundation, Inc. * Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -28,7 +28,7 @@
#include <sys/cdefs.h> #include <sys/cdefs.h>
#ifndef lint #ifndef lint
__RCSID("$NetBSD: main.c,v 1.9 2010/03/05 10:27:16 pooka Exp $"); __RCSID("$NetBSD: main.c,v 1.10 2010/03/19 16:25:33 pooka Exp $");
#endif /* !lint */ #endif /* !lint */
#include <sys/module.h> #include <sys/module.h>
@ -51,12 +51,14 @@ static const char *classes[] = {
"exec", "exec",
"secmodel", "secmodel",
}; };
const unsigned int class_max = __arraycount(classes);
static const char *sources[] = { static const char *sources[] = {
"builtin", "builtin",
"boot", "boot",
"filesys", "filesys",
}; };
const unsigned int source_max = __arraycount(sources);
int int
main(int argc, char **argv) main(int argc, char **argv)
@ -104,6 +106,9 @@ main(int argc, char **argv)
len = iov.iov_len / sizeof(modstat_t); len = iov.iov_len / sizeof(modstat_t);
qsort(iov.iov_base, len, sizeof(modstat_t), modstatcmp); qsort(iov.iov_base, len, sizeof(modstat_t), modstatcmp);
for (ms = iov.iov_base; len != 0; ms++, len--) { for (ms = iov.iov_base; len != 0; ms++, len--) {
const char *class;
const char *source;
if (name != NULL && strcmp(ms->ms_name, name) != 0) { if (name != NULL && strcmp(ms->ms_name, name) != 0) {
continue; continue;
} }
@ -117,9 +122,18 @@ main(int argc, char **argv)
} else { } else {
snprintf(sbuf, sizeof(sbuf), "%u", ms->ms_size); snprintf(sbuf, sizeof(sbuf), "%u", ms->ms_size);
} }
if (ms->ms_class <= class_max)
class = classes[ms->ms_class];
else
class = "UNKNOWN";
if (ms->ms_source < source_max)
source = sources[ms->ms_source];
else
source = "UNKNOWN";
printf("%-16s %-10s %-10s %-5d %-8s %s\n", printf("%-16s %-10s %-10s %-5d %-8s %s\n",
ms->ms_name, classes[ms->ms_class], sources[ms->ms_source], ms->ms_name, class, source, ms->ms_refcnt, sbuf,
ms->ms_refcnt, sbuf, ms->ms_required); ms->ms_required);
} }
exit(EXIT_SUCCESS); exit(EXIT_SUCCESS);
@ -143,4 +157,3 @@ modstatcmp(const void *a, const void *b)
return strcmp(msa->ms_name, msb->ms_name); return strcmp(msa->ms_name, msb->ms_name);
} }