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Diffstat (limited to 'libbb/safe_gethostname.c')
-rw-r--r--libbb/safe_gethostname.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libbb/safe_gethostname.c b/libbb/safe_gethostname.c
index 7407fb782..e93254b2b 100644
--- a/libbb/safe_gethostname.c
+++ b/libbb/safe_gethostname.c
@@ -59,8 +59,12 @@ char* FAST_FUNC safe_gethostname(void)
*/
char* FAST_FUNC safe_getdomainname(void)
{
+/* The field domainname of struct utsname is Linux specific. */
+#if defined(__linux__)
struct utsname uts;
-
uname(&uts);
return xstrndup(!uts.domainname[0] ? "?" : uts.domainname, sizeof(uts.domainname));
+#else
+ return xstrdup("?");
+#endif
}