Add -name option, by Anthony Liguori.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2505 c046a42c-6fe2-441c-8c8c-71466251a162

monitor.c

@@ -235,6 +235,12 @@ static void do_info_version(void)
   term_printf("%s\n", QEMU_VERSION);
 }
 
+static void do_info_name(void)
+{
+    if (qemu_name)
+        term_printf("%s\n", qemu_name);
+}
+
 static void do_info_block(void)
 {
     bdrv_info();
@@ -1314,6 +1320,8 @@ static term_cmd_t info_cmds[] = {
       "", "show which guest mouse is receiving events" },
     { "vnc", "", do_info_vnc,
       "", "show the vnc server status"},
+    { "name", "", do_info_name,
+      "", "show the current VM name" },
 #if defined(TARGET_PPC)
     { "cpustats", "", do_info_cpu_stats,
       "", "show CPU statistics", },

qemu-doc.texi

@@ -331,6 +331,10 @@ slows down the IDE transfers).
 Load the contents of file as an option ROM.  This option is useful to load
 things like EtherBoot.
 
+@item -name string
+Sets the name of the guest.  This name will be display in the SDL window
+caption.  The name will also be used for the VNC server.
+
 @end table
 
 USB options:

sdl.c

@@ -216,13 +216,18 @@ static void sdl_process_key(SDL_KeyboardEvent *ev)
 static void sdl_update_caption(void)
 {
     char buf[1024];
-    strcpy(buf, "QEMU");
-    if (!vm_running) {
-        strcat(buf, " [Stopped]");
-    }
-    if (gui_grab) {
-        strcat(buf, " - Press Ctrl-Alt to exit grab");
-    }
+    const char *status = "";
+
+    if (!vm_running)
+        status = " [Stopped]";
+    else if (gui_grab)
+        status = " - Press Ctrl-Alt to exit grab";
+
+    if (qemu_name)
+        snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status);
+    else
+        snprintf(buf, sizeof(buf), "QEMU%s", status);
+
     SDL_WM_SetCaption(buf, "QEMU");
 }
 

vl.c

@@ -189,6 +189,7 @@ const char *option_rom[MAX_OPTION_ROMS];
 int nb_option_roms;
 int semihosting_enabled = 0;
 int autostart = 1;
+const char *qemu_name;
 
 /***********************************************************/
 /* x86 ISA bus support */
@@ -6395,6 +6396,7 @@ void help(void)
 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
            "-g WxH[xDEPTH]  Set the initial graphical resolution and depth\n"
 #endif
+           "-name string    set the name of the guest\n"
            "\n"
            "Network options:\n"
            "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
@@ -6553,7 +6555,8 @@ enum {
     QEMU_OPTION_no_reboot,
     QEMU_OPTION_daemonize,
     QEMU_OPTION_option_rom,
-    QEMU_OPTION_semihosting
+    QEMU_OPTION_semihosting,
+    QEMU_OPTION_name,
 };
 
 typedef struct QEMUOption {
@@ -6644,6 +6647,7 @@ const QEMUOption qemu_options[] = {
 #if defined(TARGET_ARM)
     { "semihosting", 0, QEMU_OPTION_semihosting },
 #endif
+    { "name", HAS_ARG, QEMU_OPTION_name },
     { NULL },
 };
 
@@ -7340,6 +7344,9 @@ int main(int argc, char **argv)
             case QEMU_OPTION_semihosting:
                 semihosting_enabled = 1;
                 break;
+            case QEMU_OPTION_name:
+                qemu_name = optarg;
+                break;
             }
         }
     }

vl.h

@@ -114,6 +114,7 @@ void hw_error(const char *fmt, ...);
 extern const char *bios_dir;
 
 extern int vm_running;
+extern const char *qemu_name;
 
 typedef struct vm_change_state_entry VMChangeStateEntry;
 typedef void VMChangeStateHandler(void *opaque, int running);

vnc.c

@@ -1056,6 +1056,8 @@ static int protocol_client_msg(VncState *vs, char *data, size_t len)
 static int protocol_client_init(VncState *vs, char *data, size_t len)
 {
     char pad[3] = { 0, 0, 0 };
+    char buf[1024];
+    int size;
 
     vs->width = vs->ds->width;
     vs->height = vs->ds->height;
@@ -1100,8 +1102,13 @@ static int protocol_client_init(VncState *vs, char *data, size_t len)
 	
     vnc_write(vs, pad, 3);           /* padding */
 
-    vnc_write_u32(vs, 4);        
-    vnc_write(vs, "QEMU", 4);
+    if (qemu_name)
+        size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name);
+    else
+        size = snprintf(buf, sizeof(buf), "QEMU");
+
+    vnc_write_u32(vs, size);
+    vnc_write(vs, buf, size);
     vnc_flush(vs);
 
     vnc_read_when(vs, protocol_client_msg, 1);