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| author | dillon <dillon@FreeBSD.org> | 1999-02-06 06:31:57 +0000 |
|---|---|---|
| committer | dillon <dillon@FreeBSD.org> | 1999-02-06 06:31:57 +0000 |
| commit | 4ddefa431594d651b720e31c5d78a278ece77354 (patch) | |
| tree | e9794ca48e920fa4eb4e2fc1a86bd01210d3dae6 /lib/libkvm/kvm_getswapinfo.c | |
| parent | 4435d086fa4374c8a6b2091bf4acccf59f7db3d0 (diff) | |
| download | FreeBSD-src-4ddefa431594d651b720e31c5d78a278ece77354.zip FreeBSD-src-4ddefa431594d651b720e31c5d78a278ece77354.tar.gz | |
Handle case where no swap is configured
Diffstat (limited to 'lib/libkvm/kvm_getswapinfo.c')
| -rw-r--r-- | lib/libkvm/kvm_getswapinfo.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/libkvm/kvm_getswapinfo.c b/lib/libkvm/kvm_getswapinfo.c index b9353de..596e6bc 100644 --- a/lib/libkvm/kvm_getswapinfo.c +++ b/lib/libkvm/kvm_getswapinfo.c @@ -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) { |
