*
* Copyright (C) 2008 Tito Ragusa <farmatito@tiscali.it>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/*
* This is an illegal first character for a hostname.
* The returned malloced string must be freed by the caller.
*/
-char *safe_gethostname(void)
+char* FAST_FUNC safe_gethostname(void)
{
struct utsname uts;
/* 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)
+{
+#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
+ /* 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
}