16 lines
581 B
C
16 lines
581 B
C
$NetBSD: patch-lib_util_gethostname.c,v 1.1 2018/01/14 15:29:38 maya Exp $
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Avoid segfault if hostname is not set
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(upstream commit)
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--- lib/util/gethostname.c.orig 2017-01-14 04:30:15.000000000 +0000
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+++ lib/util/gethostname.c
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@@ -42,7 +42,7 @@ sudo_gethostname_v1(void)
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hname = malloc(host_name_max + 1);
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if (hname != NULL) {
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- if (gethostname(hname, host_name_max + 1) == 0) {
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+ if (gethostname(hname, host_name_max + 1) == 0 && *hname != '\0') {
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/* Old gethostname() may not NUL-terminate if there is no room. */
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hname[host_name_max] = '\0';
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} else {
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