[Qemu-devel] [PATCH 05/14] qerror: qerror_format(): return an allocated string

[Luiz Capitulino <lcapitulino@redhat.com>]

Simplifies current and future users.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
---
 error.c  |  5 +----
 qerror.c | 10 ++++++++--
 qerror.h |  2 +-
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/error.c b/error.c
index a52b771..b630b05 100644
--- a/error.c
+++ b/error.c
@@ -64,10 +64,7 @@ bool error_is_set(Error **errp)
 const char *error_get_pretty(Error *err)
 {
     if (err->msg == NULL) {
-        QString *str;
-        str = qerror_format(err->fmt, err->obj);
-        err->msg = g_strdup(qstring_get_str(str));
-        QDECREF(str);
+        err->msg = qerror_format(err->fmt, err->obj);
     }
 
     return err->msg;
diff --git a/qerror.c b/qerror.c
index 8138186..7db28fc 100644
--- a/qerror.c
+++ b/qerror.c
@@ -207,9 +207,11 @@ static QString *qerror_format_desc(QDict *error,
     return qstring;
 }
 
-QString *qerror_format(const char *fmt, QDict *error)
+char *qerror_format(const char *fmt, QDict *error)
 {
     const QErrorStringTable *entry = NULL;
+    QString *qstr;
+    char *ret;
     int i;
 
     for (i = 0; qerror_table[i].error_fmt; i++) {
@@ -219,7 +221,11 @@ QString *qerror_format(const char *fmt, QDict *error)
         }
     }
 
-    return qerror_format_desc(error, entry);
+    qstr = qerror_format_desc(error, entry);
+    ret = g_strdup(qstring_get_str(qstr));
+    QDECREF(qstr);
+
+    return ret;
 }
 
 /**
diff --git a/qerror.h b/qerror.h
index 929017c..6bf941b 100644
--- a/qerror.h
+++ b/qerror.h
@@ -35,6 +35,6 @@ QString *qerror_human(const QError *qerror);
 void qerror_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
 void qerror_report_err(Error *err);
 void assert_no_error(Error *err);
-QString *qerror_format(const char *fmt, QDict *error);
+char *qerror_format(const char *fmt, QDict *error);
 
 #endif /* QERROR_H */
-- 
1.7.11.2.249.g31c7954.dirty