Set slirp client hostname.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1813 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/vl.c b/vl.c
index 8fba6e7..4f9b8c8 100644
--- a/vl.c
+++ b/vl.c
@@ -3151,6 +3151,11 @@
     } else
 #ifdef CONFIG_SLIRP
     if (!strcmp(device, "user")) {
+        if (get_param_value(buf, sizeof(buf), "hostname", p)) {
+            if (strlen(buf) > 32)
+              buf[32] = 0;
+            strcpy(slirp_hostname, buf);
+        }
         ret = net_slirp_init(vlan);
     } else
 #endif
@@ -4597,8 +4602,9 @@
            "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
            "                create a new Network Interface Card and connect it to VLAN 'n'\n"
 #ifdef CONFIG_SLIRP
-           "-net user[,vlan=n]\n"
-           "                connect the user mode network stack to VLAN 'n'\n"
+           "-net user[,vlan=n][,hostname=host]\n"
+           "                connect the user mode network stack to VLAN 'n' and send\n"
+           "                hostname 'host' to DHCP clients\n"
 #endif
 #ifdef _WIN32
            "-net tap[,vlan=n],ifname=name\n"