diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/net/cgo_unix.go | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/net/cgo_unix.go b/src/net/cgo_unix.go index 8cf3b87d84..b9759d05a3 100644 --- a/src/net/cgo_unix.go +++ b/src/net/cgo_unix.go @@ -331,11 +331,12 @@ func cgoLookupCNAME(ctx context.Context, name string) (cname string, err error, // resSearch will make a call to the 'res_nsearch' routine in the C library // and parse the output as a slice of DNS resources. func resSearch(ctx context.Context, hostname string, rtype, class int) ([]dnsmessage.Resource, error) { - var state _C_struct___res_state - if err := _C_res_ninit(&state); err != nil { + state := (*_C_struct___res_state)(_C_malloc(unsafe.Sizeof(_C_struct___res_state{}))) + defer _C_free(unsafe.Pointer(state)) + if err := _C_res_ninit(state); err != nil { return nil, errors.New("res_ninit failure: " + err.Error()) } - defer _C_res_nclose(&state) + defer _C_res_nclose(state) // Some res_nsearch implementations (like macOS) do not set errno. // They set h_errno, which is not per-thread and useless to us. @@ -350,7 +351,7 @@ func resSearch(ctx context.Context, hostname string, rtype, class int) ([]dnsmes defer _C_free(unsafe.Pointer(buf)) s := _C_CString(hostname) defer _C_FreeCString(s) - size, err := _C_res_nsearch(&state, s, class, rtype, buf, bufSize) + size, err := _C_res_nsearch(state, s, class, rtype, buf, bufSize) if size <= 0 || size > bufSize { return nil, errors.New("res_nsearch failure") } |