src/cmd/upas/common/libsys.c - Issue 5370105: upas: fix segfault when host not found

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Unified Diff: src/cmd/upas/common/libsys.c

Issue 5370105: upas: fix segfault when host not found

Patch Set: Created 13 years, 12 months ago

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Index: src/cmd/upas/common/libsys.c

===================================================================

--- a/src/cmd/upas/common/libsys.c

+++ b/src/cmd/upas/common/libsys.c

@@ -465,6 +465,9 @@

return namev;

h = gethostbyname(alt_sysname_read());

+ if(h == nil)

+ return 0;

for(p=h->h_aliases; *p; p++)

;

@@ -491,7 +494,7 @@

char **namev, *p;

Ndbtuple *t;

- for(namev = sysnames_read(); *namev; namev++){

+ for(namev = sysnames_read(); namev && *namev; namev++){

if(strchr(*namev, '.')){

for(p=*namev-1; p && *++p; p=strchr(p, '.')){

if((t = dnsquery(nil, p, "mx")) != nil){

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