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-rw-r--r--xdico/xhostname.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/xdico/xhostname.c b/xdico/xhostname.c
new file mode 100644
index 0000000..51b9c6d
--- /dev/null
+++ b/xdico/xhostname.c
@@ -0,0 +1,52 @@
+/* This file is part of GNU Dico
+ Copyright (C) 2008-2019 Sergey Poznyakoff
+
+ GNU Dico is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ GNU Dico is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU Dico. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netdb.h>
+#include <xdico.h>
+#include <xalloc.h>
+#include <xgethostname.h>
+#include <xgetdomainname.h>
+
+char *
+xdico_local_hostname(void)
+{
+ struct hostent *hp;
+ char *hostpart = xgethostname();
+ char *ret;
+
+ hp = gethostbyname(hostpart);
+ if (hp)
+ ret = xstrdup(hp->h_name);
+ else {
+ char *domainpart = xgetdomainname();
+
+ if (domainpart && domainpart[0] && strcmp(domainpart, "(none)")) {
+ ret = xmalloc(strlen(hostpart) + 1
+ + strlen(domainpart) + 1);
+ strcpy(ret, hostpart);
+ strcat(ret, ".");
+ strcat(ret, domainpart);
+ free(hostpart);
+ } else
+ ret = hostpart;
+ free(domainpart);
+ }
+ return ret;
+}
+

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