[Qemu-devel] [PATCH 2/3] qtest: extend qtest_qmp() to fill in the reply

[Jason Baron]

From: Jason Baron <jba...@redhat.com>

Introduce:

Add void qtest_qmp_resp(QTestState *s, QString *resp, const char *fmt, ...)

which allows a response string to be filled in.

Signed-off-by: Jason Baron <jba...@redhat.com>
---
 tests/Makefile   |    6 +++---
 tests/libqtest.c |   17 ++++++++++-------
 tests/libqtest.h |    4 +++-
 3 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/tests/Makefile b/tests/Makefile
index b60f0fb..30a101d 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -74,10 +74,10 @@ tests/test-qmp-input-strict$(EXESUF): 
tests/test-qmp-input-strict.o $(test-qapi-
 tests/test-qmp-commands$(EXESUF): tests/test-qmp-commands.o 
tests/test-qmp-marshal.o $(test-qapi-obj-y)
 tests/test-visitor-serialization$(EXESUF): tests/test-visitor-serialization.o 
$(test-qapi-obj-y)
 
-tests/rtc-test$(EXESUF): tests/rtc-test.o $(trace-obj-y)
+tests/rtc-test$(EXESUF): tests/rtc-test.o $(trace-obj-y) qstring.o
 tests/m48t59-test$(EXESUF): tests/m48t59-test.o $(trace-obj-y)
-tests/fdc-test$(EXESUF): tests/fdc-test.o tests/libqtest.o $(trace-obj-y)
-tests/hd-geo-test$(EXESUF): tests/hd-geo-test.o tests/libqtest.o $(trace-obj-y)
+tests/fdc-test$(EXESUF): tests/fdc-test.o tests/libqtest.o $(trace-obj-y) 
qstring.o
+tests/hd-geo-test$(EXESUF): tests/hd-geo-test.o tests/libqtest.o 
$(trace-obj-y) qstring.o
 
 # QTest rules
 
diff --git a/tests/libqtest.c b/tests/libqtest.c
index f3dd4e4..71c9eb4 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -288,7 +288,7 @@ redo:
     return words;
 }
 
-void qtest_qmp(QTestState *s, const char *fmt, ...)
+void qtest_qmp_resp(QTestState *s, QString *resp, const char *fmt, ...)
 {
     va_list ap;
     bool has_reply = false;
@@ -313,16 +313,19 @@ void qtest_qmp(QTestState *s, const char *fmt, ...)
             fprintf(stderr, "Broken pipe\n");
             exit(1);
         }
-
-        switch (c) {
-        case '{':
+        if (c == '{') {
             nesting++;
             has_reply = true;
-            break;
-        case '}':
+        }
+        if (c == '}') {
             nesting--;
-            break;
         }
+        if (has_reply && resp) {
+            qstring_append_chr(resp, c);
+        }
+    }
+    if (has_reply && resp) {
+        qstring_append_chr(resp, '\0');
     }
 }
 
diff --git a/tests/libqtest.h b/tests/libqtest.h
index c8ade85..6441e50 100644
--- a/tests/libqtest.h
+++ b/tests/libqtest.h
@@ -18,6 +18,7 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <sys/types.h>
+#include "qstring.h"
 
 typedef struct QTestState QTestState;
 
@@ -44,7 +45,8 @@ void qtest_quit(QTestState *s);
  *
  * Sends a QMP message to QEMU
  */
-void qtest_qmp(QTestState *s, const char *fmt, ...);
+void qtest_qmp_resp(QTestState *s, QString *resp, const char *fmt, ...);
+#define qtest_qmp(s, fmt, ...) qtest_qmp_resp(s, NULL, fmt, ## __VA_ARGS__)
 
 /**
  * qtest_get_irq:
-- 
1.7.1