These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / qobject / qjson.c

diff --git a/qemu/qobject/qjson.c b/qemu/qobject/qjson.c
index 33f8ef5..ef160d2 100644 (file)
--- a/qemu/qobject/qjson.c
+++ b/qemu/qobject/qjson.c
@@ -11,6 +11,7 @@
  *
  */
 
+#include "qemu/osdep.h"
 #include "qapi/qmp/json-lexer.h"
 #include "qapi/qmp/json-parser.h"
 #include "qapi/qmp/json-streamer.h"
@@ -20,6 +21,7 @@
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qfloat.h"
 #include "qapi/qmp/qdict.h"
+#include "qemu/unicode.h"
 
 typedef struct JSONParsingState
 {
@@ -28,7 +30,7 @@ typedef struct JSONParsingState
     QObject *result;
 } JSONParsingState;
 
-static void parse_json(JSONMessageParser *parser, QList *tokens)
+static void parse_json(JSONMessageParser *parser, GQueue *tokens)
 {
     JSONParsingState *s = container_of(parser, JSONParsingState, parser);
     s->result = json_parser_parse(tokens, s->ap);
@@ -237,6 +239,15 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent)
         char buffer[1024];
         int len;
 
+        /* FIXME: snprintf() is locale dependent; but JSON requires
+         * numbers to be formatted as if in the C locale. Dependence
+         * on C locale is a pervasive issue in QEMU. */
+        /* FIXME: This risks printing Inf or NaN, which are not valid
+         * JSON values. */
+        /* FIXME: the default precision of 6 for %f often causes
+         * rounding errors; we should be using DBL_DECIMAL_DIG (17),
+         * and only rounding to a shorter number if the result would
+         * still produce the same floating point value.  */
         len = snprintf(buffer, sizeof(buffer), "%f", qfloat_get_double(val));
         while (len > 0 && buffer[len - 1] == '0') {
             len--;
@@ -247,7 +258,7 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent)
         } else {
             buffer[len] = 0;
         }
-        
+
         qstring_append(str, buffer);
         break;
     }