diff options
| -rw-r--r-- | libbb/safe_gethostname.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libbb/safe_gethostname.c b/libbb/safe_gethostname.c index e93254b2b..05e095448 100644 --- a/libbb/safe_gethostname.c +++ b/libbb/safe_gethostname.c @@ -59,12 +59,16 @@ char* FAST_FUNC safe_gethostname(void) */ char* FAST_FUNC safe_getdomainname(void) { -/* The field domainname of struct utsname is Linux specific. */ #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 - return xstrdup("?"); + /* 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 } |