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Handle case where no swap is configured

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This commit is contained in:
Matthew Dillon 1999-02-06 06:31:57 +00:00
parent f0cdd9c021
commit f3401d0c26
1 changed files with 10 additions and 3 deletions
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13
lib/libkvm/kvm_getswapinfo.c
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@ -14,7 +14,7 @@ static const char copyright[] =
#ifndef lint
static const char rcsid[] =
"$Id: kvm_getswapinfo.c,v 1.3 1999/01/25 04:07:07 dillon Exp $";
"$Id: kvm_getswapinfo.c,v 1.4 1999/01/27 11:29:15 bde Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -127,10 +127,10 @@ kvm_getswapinfo(
KGET(NL_NSWDEV, nswdev);
KGET(NL_DMMAX, dmmax);
if (kvm_swap_nl[NL_SWAPLIST].n_value)
if (kvm_swap_nl[NL_SWAPLIST].n_type != N_UNDF)
type = 1;
if (kvm_swap_nl[NL_SWAPBLIST].n_value)
if (kvm_swap_nl[NL_SWAPBLIST].n_type != N_UNDF)
type = 2;
/*
@ -406,6 +406,13 @@ getswapinfo_radix(kvm_t *kd, struct kvm_swap *swap_ary, int swap_max, int flags)
struct blist blcopy = { 0 };
KGET(NL_SWAPBLIST, swapblist);
if (swapblist == NULL) {
if (flags & SWIF_DUMP_TREE)
printf("radix tree: NULL - no swap in system\n");
return;
}
KGET2(swapblist, &blcopy, sizeof(blcopy), "*swapblist");
if (flags & SWIF_DUMP_TREE) {