X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmisc%2Fgetdomainname.c;h=59df566d9465625f28f47dcdaf979cf44c5681a7;hb=3df0b66ee95c837496ae434ba7a2282d97ca71ef;hp=7eb113d74528cc61024171f85cfae2619df2ee61;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/misc/getdomainname.c b/src/misc/getdomainname.c
index 7eb113d7..59df566d 100644
--- a/src/misc/getdomainname.c
+++ b/src/misc/getdomainname.c
@@ -1,9 +1,17 @@
+#define _GNU_SOURCE
 #include <unistd.h>
 #include <sys/utsname.h>
 #include <string.h>
+#include <errno.h>
 
 int getdomainname(char *name, size_t len)
 {
-	*name = 0;
+	struct utsname temp;
+	uname(&temp);
+	if (!len || strlen(temp.domainname) >= len) {
+		errno = EINVAL;
+		return -1;
+	}
+	strcpy(name, temp.domainname);
 	return 0;
 }