[PULL 20/22] tests/plugins/syscalls: adhere to new arg-passing scheme

["Alex Bennée" <alex.bennee@linaro.org>]

From: Mahmoud Mandour <ma.mandourr@gmail.com>

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210730135817.17816-13-ma.mandourr@gmail.com>

diff --git a/tests/plugin/syscall.c b/tests/plugin/syscall.c
index 6dd71092e1..484b48de49 100644
--- a/tests/plugin/syscall.c
+++ b/tests/plugin/syscall.c
@@ -119,17 +119,26 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id,
                                            const qemu_info_t *info,
                                            int argc, char **argv)
 {
-    if (argc == 0) {
-        statistics = g_hash_table_new_full(NULL, g_direct_equal, NULL, g_free);
-    } else {
-        for (int i = 0; i < argc; i++) {
-            if (g_strcmp0(argv[i], "print") != 0) {
-                fprintf(stderr, "unsupported argument: %s\n", argv[i]);
-                return -1;
+    bool do_print = false;
+
+    for (int i = 0; i < argc; i++) {
+        char *opt = argv[i];
+        g_autofree char **tokens = g_strsplit(opt, "=", 2);
+
+        if (g_strcmp0(tokens[0], "print") == 0) {
+            if (!qemu_plugin_bool_parse(tokens[0], tokens[1], &do_print)) {
+                fprintf(stderr, "boolean argument parsing failed: %s\n", opt);
             }
+        } else {
+            fprintf(stderr, "unsupported argument: %s\n", argv[i]);
+            return -1;
         }
     }
 
+    if (!do_print) {
+        statistics = g_hash_table_new_full(NULL, g_direct_equal, NULL, g_free);
+    }
+
     qemu_plugin_register_vcpu_syscall_cb(id, vcpu_syscall);
     qemu_plugin_register_vcpu_syscall_ret_cb(id, vcpu_syscall_ret);
     qemu_plugin_register_atexit_cb(id, plugin_exit, NULL);
-- 
2.30.2