diff mbox series

[v2,20/23] libqtest: Enable compile-time format string checking

Message ID 20180727151359.29061-21-armbru@redhat.com
State New
Headers show
Series tests: Compile-time format string checking for libqtest.h | expand

Commit Message

Markus Armbruster July 27, 2018, 3:13 p.m. UTC 
qtest_qmp() & friends pass their format string and variable arguments
to qobject_from_vjsonf_nofail().  Unlike qobject_from_jsonv(), they
aren't decorated with GCC_FMT_ATTR().  Fix that to get compile-time
format string checking.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 tests/libqtest.h | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

Comments

Eric Blake July 27, 2018, 4:18 p.m. UTC | #1 
On 07/27/2018 10:13 AM, Markus Armbruster wrote:
> qtest_qmp() & friends pass their format string and variable arguments
> to qobject_from_vjsonf_nofail().  Unlike qobject_from_jsonv(), they
> aren't decorated with GCC_FMT_ATTR().  Fix that to get compile-time
> format string checking.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>   tests/libqtest.h | 32 +++++++++++++++++++-------------
>   1 file changed, 19 insertions(+), 13 deletions(-)
> 

Reviewed-by: Eric Blake <eblake@redhat.com>
diff mbox series

Patch

diff --git a/tests/libqtest.h b/tests/libqtest.h
index ee58fcdf6d..327e402da5 100644
--- a/tests/libqtest.h
+++ b/tests/libqtest.h
@@ -82,7 +82,8 @@  void qtest_quit(QTestState *s);
  *
  * Sends a QMP message to QEMU and consumes the response.
  */
-void qtest_qmp_discard_response(QTestState *s, const char *fmt, ...);
+void qtest_qmp_discard_response(QTestState *s, const char *fmt, ...)
+    GCC_FMT_ATTR(2, 3);
 
 /**
  * qtest_qmp:
@@ -93,7 +94,8 @@  void qtest_qmp_discard_response(QTestState *s, const char *fmt, ...);
  *
  * Sends a QMP message to QEMU and returns the response.
  */
-QDict *qtest_qmp(QTestState *s, const char *fmt, ...);
+QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
+    GCC_FMT_ATTR(2, 3);
 
 /**
  * qtest_qmp_send:
@@ -104,7 +106,8 @@  QDict *qtest_qmp(QTestState *s, const char *fmt, ...);
  *
  * Sends a QMP message to QEMU and leaves the response in the stream.
  */
-void qtest_qmp_send(QTestState *s, const char *fmt, ...);
+void qtest_qmp_send(QTestState *s, const char *fmt, ...)
+    GCC_FMT_ATTR(2, 3);
 
 /**
  * qtest_qmpv_discard_response:
@@ -116,7 +119,8 @@  void qtest_qmp_send(QTestState *s, const char *fmt, ...);
  *
  * Sends a QMP message to QEMU and consumes the response.
  */
-void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap);
+void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap)
+    GCC_FMT_ATTR(2, 0);
 
 /**
  * qtest_qmpv:
@@ -128,7 +132,8 @@  void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap);
  *
  * Sends a QMP message to QEMU and returns the response.
  */
-QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap);
+QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
+    GCC_FMT_ATTR(2, 0);
 
 /**
  * qtest_qmp_vsend:
@@ -140,7 +145,8 @@  QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap);
  *
  * Sends a QMP message to QEMU and leaves the response in the stream.
  */
-void qtest_qmp_vsend(QTestState *s, const char *fmt, va_list ap);
+void qtest_qmp_vsend(QTestState *s, const char *fmt, va_list ap)
+    GCC_FMT_ATTR(2, 0);
 
 /**
  * qtest_receive:
@@ -597,7 +603,7 @@  static inline void qtest_end(void)
  *
  * Sends a QMP message to QEMU and returns the response.
  */
-QDict *qmp(const char *fmt, ...);
+QDict *qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
 
 /**
  * qmp_send:
@@ -607,7 +613,7 @@  QDict *qmp(const char *fmt, ...);
  *
  * Sends a QMP message to QEMU and leaves the response in the stream.
  */
-void qmp_send(const char *fmt, ...);
+void qmp_send(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
 
 /**
  * qmp_discard_response:
@@ -617,7 +623,7 @@  void qmp_send(const char *fmt, ...);
  *
  * Sends a QMP message to QEMU and consumes the response.
  */
-void qmp_discard_response(const char *fmt, ...);
+void qmp_discard_response(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
 
 /**
  * qmp_receive:
@@ -976,10 +982,10 @@  static inline int64_t clock_set(int64_t val)
 }
 
 QDict *qmp_fd_receive(int fd);
-void qmp_fd_vsend(int fd, const char *fmt, va_list ap);
-void qmp_fd_send(int fd, const char *fmt, ...);
-QDict *qmp_fdv(int fd, const char *fmt, va_list ap);
-QDict *qmp_fd(int fd, const char *fmt, ...);
+void qmp_fd_vsend(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
+void qmp_fd_send(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
+QDict *qmp_fdv(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
+QDict *qmp_fd(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 
 /**
  * qtest_cb_for_every_machine: