Revise conditional compilation of safe_gethostname.c

1 files changed, 8 insertions, 2 deletions

diff --git a/libbb/safe_gethostname.c b/libbb/safe_gethostname.c
index 33ca2b9f3..580baafab 100644
--- a/libbb/safe_gethostname.c
+++ b/libbb/safe_gethostname.c
@@ -69,12 +69,18 @@ char* FAST_FUNC safe_gethostname(void)
  */
 char* FAST_FUNC safe_getdomainname(void)
 {
-#if !ENABLE_PLATFORM_MINGW32
+#if defined(__linux__)
 /* The field domainname of struct utsname is Linux specific. */
         struct utsname uts;
         uname(&uts);
         return xstrndup(!uts.domainname[0] ? "?" : uts.domainname, sizeof(uts.domainname));
-#else
+#elif ENABLE_PLATFORM_MINGW32
         return xstrdup("?");
+#else
+        /* We really don't care about people with domain names wider than most screens */
+        char buf[256];
+        int r = getdomainname(buf, sizeof(buf));
+        buf[sizeof(buf)-1] = '\0';
+        return xstrdup(r < 0 ? "?" : buf);
 #endif
 }