diff options
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/safe_gethostname.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/libbb/safe_gethostname.c b/libbb/safe_gethostname.c index 1f8b2a8fd..7407fb782 100644 --- a/libbb/safe_gethostname.c +++ b/libbb/safe_gethostname.c @@ -48,6 +48,19 @@ char* FAST_FUNC safe_gethostname(void) /* Uname can fail only if you pass a bad pointer to it. */ uname(&uts); + return xstrndup(!uts.nodename[0] ? "?" : uts.nodename, sizeof(uts.nodename)); +} - return xstrndup(!*(uts.nodename) ? "?" : uts.nodename, sizeof(uts.nodename)); +/* + * On success return the current malloced and NUL terminated domainname. + * On error return malloced and NUL terminated string "?". + * This is an illegal first character for a domainname. + * The returned malloced string must be freed by the caller. + */ +char* FAST_FUNC safe_getdomainname(void) +{ + struct utsname uts; + + uname(&uts); + return xstrndup(!uts.domainname[0] ? "?" : uts.domainname, sizeof(uts.domainname)); } |