net: Print output of "-net nic, model=help" to stdout instead of stderr

We are printing all other help output to stdout already (e.g. "-help",
"-cpu help" and "-machine help" output). So the "-net nic,model=help"
output should go to stdout instead of stderr, too. And while we're at
it, also print the NICs line by line, like we do it e.g. with the
"-cpu help" or "-M help" output, too.

Buglink: https://bugs.launchpad.net/qemu/+bug/1574327
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190423160608.7519-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

diff --git a/net/net.c b/net/net.c
index f3a3c54..2cf5e76 100644 (file)
--- a/net/net.c
+++ b/net/net.c
@@ -837,9 +837,10 @@ int qemu_show_nic_models(const char *arg, const char *const *models)
         return 0;
     }
 
-    fprintf(stderr, "qemu: Supported NIC models: ");
-    for (i = 0 ; models[i]; i++)
-        fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n');
+    printf("Supported NIC models:\n");
+    for (i = 0 ; models[i]; i++) {
+        printf("%s\n", models[i]);
+    }
     return 1;
 }