Re: [Qemu-devel] [PATCH 03/12] qtest: return string from QMP commands

["Andreas Färber" <afaerber@suse.de>]

Am 19.06.2013 22:40, schrieb Anthony Liguori:
> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
> ---
>  tests/libqtest.c | 16 +++++++++++++---
>  tests/libqtest.h | 14 +++++++++++---
>  2 files changed, 24 insertions(+), 6 deletions(-)
> 
> diff --git a/tests/libqtest.c b/tests/libqtest.c
> index 81107cf..235ec62 100644
> --- a/tests/libqtest.c
> +++ b/tests/libqtest.c
> @@ -287,10 +287,13 @@ redo:
>      return words;
>  }
>  
> -void qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
> +char *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
>  {
>      bool has_reply = false;
>      int nesting = 0;
> +    GString *ret;
> +
> +    ret = g_string_new("");
>  
>      /* Send QMP request */
>      socket_sendf(s->qmp_fd, fmt, ap);
> @@ -319,16 +322,23 @@ void qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
>              nesting--;
>              break;
>          }
> +
> +        g_string_append_c(ret, c);
>      }
> +
> +    return g_string_free(ret, FALSE);
>  }
>  
> -void qtest_qmp(QTestState *s, const char *fmt, ...)
> +char *qtest_qmp(QTestState *s, const char *fmt, ...)
>  {
>      va_list ap;
> +    char *ret;
>  
>      va_start(ap, fmt);
> -    qtest_qmpv(s, fmt, ap);
> +    ret = qtest_qmpv(s, fmt, ap);
>      va_end(ap);
> +
> +    return ret;
>  }
>  
>  const char *qtest_get_arch(void)
> diff --git a/tests/libqtest.h b/tests/libqtest.h
> index 592f035..5cdcae7 100644
> --- a/tests/libqtest.h
> +++ b/tests/libqtest.h
> @@ -21,6 +21,7 @@
>  #include <stdbool.h>
>  #include <stdarg.h>
>  #include <sys/types.h>
> +#include <glib.h>
>  
>  typedef struct QTestState QTestState;
>  
> @@ -48,8 +49,10 @@ void qtest_quit(QTestState *s);
>   * @fmt...: QMP message to send to qemu
>   *
>   * Sends a QMP message to QEMU
> + *
> + * Returns: the result of the QMP command
>   */
> -void qtest_qmp(QTestState *s, const char *fmt, ...);
> +char *qtest_qmp(QTestState *s, const char *fmt, ...);
>  
>  /**
>   * qtest_qmpv:
> @@ -58,8 +61,10 @@ void qtest_qmp(QTestState *s, const char *fmt, ...);
>   * @ap: QMP message arguments
>   *
>   * Sends a QMP message to QEMU.
> + *
> + * Returns: the result of the QMP command
>   */
> -void qtest_qmpv(QTestState *s, const char *fmt, va_list ap);
> +char *qtest_qmpv(QTestState *s, const char *fmt, va_list ap);
>  
>  /**
>   * qtest_get_irq:
> @@ -340,10 +345,13 @@ static inline QTestState *qtest_start(const char *args)
>  static inline void qmp(const char *fmt, ...)
>  {
>      va_list ap;
> +    char *ret;
>  
>      va_start(ap, fmt);
> -    qtest_qmpv(global_qtest, fmt, ap);
> +    ret = qtest_qmpv(global_qtest, fmt, ap);
>      va_end(ap);
> +
> +    g_free(ret);
>  }
>  
>  /**

In http://patchwork.ozlabs.org/patch/207689/ you had suggested to return
QObject?

Regards,
Andreas

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