qobject: Use 'bool' for qbool

We require a C99 compiler, so let's use 'bool' instead of 'int'
when dealing with boolean values.  There are few enough clients
to fix them all in one pass.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

block/qapi.c

@@ -520,7 +520,7 @@ static void dump_qobject(fprintf_function func_fprintf, void *f,
         }
         case QTYPE_QBOOL: {
             QBool *value = qobject_to_qbool(obj);
-            func_fprintf(f, "%s", qbool_get_int(value) ? "true" : "false");
+            func_fprintf(f, "%s", qbool_get_bool(value) ? "true" : "false");
             break;
         }
         case QTYPE_QERROR: {

block/quorum.c

@@ -1024,9 +1024,9 @@ static void quorum_refresh_filename(BlockDriverState *bs)
     qdict_put_obj(opts, QUORUM_OPT_VOTE_THRESHOLD,
                   QOBJECT(qint_from_int(s->threshold)));
     qdict_put_obj(opts, QUORUM_OPT_BLKVERIFY,
-                  QOBJECT(qbool_from_int(s->is_blkverify)));
+                  QOBJECT(qbool_from_bool(s->is_blkverify)));
     qdict_put_obj(opts, QUORUM_OPT_REWRITE,
-                  QOBJECT(qbool_from_int(s->rewrite_corrupted)));
+                  QOBJECT(qbool_from_bool(s->rewrite_corrupted)));
     qdict_put_obj(opts, "children", QOBJECT(children));
 
     bs->full_open_options = opts;

block/vvfat.c

@@ -1059,8 +1059,8 @@ static void vvfat_parse_filename(const char *filename, QDict *options,
     /* Fill in the options QDict */
     qdict_put(options, "dir", qstring_from_str(filename));
     qdict_put(options, "fat-type", qint_from_int(fat_type));
-    qdict_put(options, "floppy", qbool_from_int(floppy));
+    qdict_put(options, "floppy", qbool_from_bool(floppy));
-    qdict_put(options, "rw", qbool_from_int(rw));
+    qdict_put(options, "rw", qbool_from_bool(rw));
 }
 
 static int vvfat_open(BlockDriverState *bs, QDict *options, int flags,

include/qapi/qmp/qbool.h

@@ -14,16 +14,16 @@
 #ifndef QBOOL_H
 #define QBOOL_H
 
-#include <stdint.h>
+#include <stdbool.h>
 #include "qapi/qmp/qobject.h"
 
 typedef struct QBool {
     QObject_HEAD;
-    int value;
+    bool value;
 } QBool;
 
-QBool *qbool_from_int(int value);
+QBool *qbool_from_bool(bool value);
-int qbool_get_int(const QBool *qb);
+bool qbool_get_bool(const QBool *qb);
 QBool *qobject_to_qbool(const QObject *obj);
 
 #endif /* QBOOL_H */

monitor.c

@@ -3940,7 +3940,7 @@ static const mon_cmd_t *monitor_parse_command(Monitor *mon,
         case 'b':
             {
                 const char *beg;
-                int val;
+                bool val;
 
                 while (qemu_isspace(*p)) {
                     p++;
@@ -3950,14 +3950,14 @@ static const mon_cmd_t *monitor_parse_command(Monitor *mon,
                     p++;
                 }
                 if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
-                    val = 1;
+                    val = true;
                 } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
-                    val = 0;
+                    val = false;
                 } else {
                     monitor_printf(mon, "Expected 'on' or 'off'\n");
                     goto fail;
                 }
-                qdict_put(qdict, key, qbool_from_int(val));
+                qdict_put(qdict, key, qbool_from_bool(val));
             }
             break;
         case '-':
@@ -3988,7 +3988,7 @@ static const mon_cmd_t *monitor_parse_command(Monitor *mon,
                     } else {
                         /* has option */
                         p++;
-                        qdict_put(qdict, key, qbool_from_int(1));
+                        qdict_put(qdict, key, qbool_from_bool(true));
                     }
                 }
             }

qapi/qmp-input-visitor.c

@@ -248,7 +248,7 @@ static void qmp_input_type_bool(Visitor *v, bool *obj, const char *name,
         return;
     }
 
-    *obj = qbool_get_int(qobject_to_qbool(qobj));
+    *obj = qbool_get_bool(qobject_to_qbool(qobj));
 }
 
 static void qmp_input_type_str(Visitor *v, char **obj, const char *name,

qapi/qmp-output-visitor.c

@@ -166,7 +166,7 @@ static void qmp_output_type_bool(Visitor *v, bool *obj, const char *name,
                                  Error **errp)
 {
     QmpOutputVisitor *qov = to_qov(v);
-    qmp_output_add(qov, name, qbool_from_int(*obj));
+    qmp_output_add(qov, name, qbool_from_bool(*obj));
 }
 
 static void qmp_output_type_str(Visitor *v, char **obj, const char *name,

qobject/json-parser.c

@@ -558,9 +558,9 @@ static QObject *parse_keyword(JSONParserContext *ctxt)
     }
 
     if (token_is_keyword(token, "true")) {
-        ret = QOBJECT(qbool_from_int(true));
+        ret = QOBJECT(qbool_from_bool(true));
     } else if (token_is_keyword(token, "false")) {
-        ret = QOBJECT(qbool_from_int(false));
+        ret = QOBJECT(qbool_from_bool(false));
     } else if (token_is_keyword(token, "null")) {
         ret = qnull();
     } else {
@@ -593,7 +593,7 @@ static QObject *parse_escape(JSONParserContext *ctxt, va_list *ap)
     if (token_is_escape(token, "%p")) {
         obj = va_arg(*ap, QObject *);
     } else if (token_is_escape(token, "%i")) {
-        obj = QOBJECT(qbool_from_int(va_arg(*ap, int)));
+        obj = QOBJECT(qbool_from_bool(va_arg(*ap, int)));
     } else if (token_is_escape(token, "%d")) {
         obj = QOBJECT(qint_from_int(va_arg(*ap, int)));
     } else if (token_is_escape(token, "%ld")) {

qobject/qbool.c

@@ -23,11 +23,11 @@ static const QType qbool_type = {
 };
 
 /**
- * qbool_from_int(): Create a new QBool from an int
+ * qbool_from_bool(): Create a new QBool from a bool
  *
  * Return strong reference.
  */
-QBool *qbool_from_int(int value)
+QBool *qbool_from_bool(bool value)
 {
     QBool *qb;
 
@@ -39,9 +39,9 @@ QBool *qbool_from_int(int value)
 }
 
 /**
- * qbool_get_int(): Get the stored int
+ * qbool_get_bool(): Get the stored bool
  */
-int qbool_get_int(const QBool *qb)
+bool qbool_get_bool(const QBool *qb)
 {
     return qb->value;
 }

qobject/qdict.c

@@ -244,7 +244,7 @@ int64_t qdict_get_int(const QDict *qdict, const char *key)
 int qdict_get_bool(const QDict *qdict, const char *key)
 {
     QObject *obj = qdict_get_obj(qdict, key, QTYPE_QBOOL);
-    return qbool_get_int(qobject_to_qbool(obj));
+    return qbool_get_bool(qobject_to_qbool(obj));
 }
 
 /**
@@ -322,7 +322,7 @@ int qdict_get_try_bool(const QDict *qdict, const char *key, int def_value)
     if (!obj || qobject_type(obj) != QTYPE_QBOOL)
         return def_value;
 
-    return qbool_get_int(qobject_to_qbool(obj));
+    return qbool_get_bool(qobject_to_qbool(obj));
 }
 
 /**

qobject/qjson.c

@@ -254,7 +254,7 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent)
     case QTYPE_QBOOL: {
         QBool *val = qobject_to_qbool(obj);
 
-        if (qbool_get_int(val)) {
+        if (qbool_get_bool(val)) {
             qstring_append(str, "true");
         } else {
             qstring_append(str, "false");

qom/object.c

@@ -1010,7 +1010,7 @@ Object *object_property_get_link(Object *obj, const char *name,
 void object_property_set_bool(Object *obj, bool value,
                               const char *name, Error **errp)
 {
-    QBool *qbool = qbool_from_int(value);
+    QBool *qbool = qbool_from_bool(value);
     object_property_set_qobject(obj, QOBJECT(qbool), name, errp);
 
     QDECREF(qbool);
@@ -1031,7 +1031,7 @@ bool object_property_get_bool(Object *obj, const char *name,
         error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean");
         retval = false;
     } else {
-        retval = qbool_get_int(qbool);
+        retval = qbool_get_bool(qbool);
     }
 
     QDECREF(qbool);

tests/check-qjson.c

@@ -1013,7 +1013,7 @@ static void keyword_literal(void)
     g_assert(qobject_type(obj) == QTYPE_QBOOL);
 
     qbool = qobject_to_qbool(obj);
-    g_assert(qbool_get_int(qbool) != 0);
+    g_assert(qbool_get_bool(qbool) == true);
 
     str = qobject_to_json(obj);
     g_assert(strcmp(qstring_get_str(str), "true") == 0);
@@ -1026,7 +1026,7 @@ static void keyword_literal(void)
     g_assert(qobject_type(obj) == QTYPE_QBOOL);
 
     qbool = qobject_to_qbool(obj);
-    g_assert(qbool_get_int(qbool) == 0);
+    g_assert(qbool_get_bool(qbool) == false);
 
     str = qobject_to_json(obj);
     g_assert(strcmp(qstring_get_str(str), "false") == 0);
@@ -1039,16 +1039,17 @@ static void keyword_literal(void)
     g_assert(qobject_type(obj) == QTYPE_QBOOL);
 
     qbool = qobject_to_qbool(obj);
-    g_assert(qbool_get_int(qbool) == 0);
+    g_assert(qbool_get_bool(qbool) == false);
 
     QDECREF(qbool);
 
-    obj = qobject_from_jsonf("%i", true);
+    /* Test that non-zero values other than 1 get collapsed to true */
+    obj = qobject_from_jsonf("%i", 2);
     g_assert(obj != NULL);
     g_assert(qobject_type(obj) == QTYPE_QBOOL);
 
     qbool = qobject_to_qbool(obj);
-    g_assert(qbool_get_int(qbool) != 0);
+    g_assert(qbool_get_bool(qbool) == true);
 
     QDECREF(qbool);
 

tests/test-qmp-event.c

@@ -60,8 +60,8 @@ void qdict_cmp_do_simple(const char *key, QObject *obj1, void *opaque)
 
     switch (qobject_type(obj1)) {
     case QTYPE_QBOOL:
-        d->result = (qbool_get_int(qobject_to_qbool(obj1)) ==
+        d->result = (qbool_get_bool(qobject_to_qbool(obj1)) ==
-                     qbool_get_int(qobject_to_qbool(obj2)));
+                     qbool_get_bool(qobject_to_qbool(obj2)));
         return;
     case QTYPE_QINT:
         d->result = (qint_get_int(qobject_to_qint(obj1)) ==

tests/test-qmp-output-visitor.c

@@ -72,7 +72,7 @@ static void test_visitor_out_bool(TestOutputVisitorData *data,
     obj = qmp_output_get_qobject(data->qov);
     g_assert(obj != NULL);
     g_assert(qobject_type(obj) == QTYPE_QBOOL);
-    g_assert(qbool_get_int(qobject_to_qbool(obj)) == value);
+    g_assert(qbool_get_bool(qobject_to_qbool(obj)) == value);
 
     qobject_decref(obj);
 }
@@ -662,7 +662,7 @@ static void check_native_list(QObject *qobj,
             tmp = qlist_peek(qlist);
             g_assert(tmp);
             qvalue = qobject_to_qbool(tmp);
-            g_assert_cmpint(qbool_get_int(qvalue), ==, (i % 3 == 0) ? 1 : 0);
+            g_assert_cmpint(qbool_get_bool(qvalue), ==, i % 3 == 0);
             qobject_decref(qlist_pop(qlist));
         }
         break;

util/qemu-option.c

@@ -927,7 +927,7 @@ static void qemu_opts_from_qdict_1(const char *key, QObject *obj, void *opaque)
         break;
     case QTYPE_QBOOL:
         pstrcpy(buf, sizeof(buf),
-                qbool_get_int(qobject_to_qbool(obj)) ? "on" : "off");
+                qbool_get_bool(qobject_to_qbool(obj)) ? "on" : "off");
         value = buf;
         break;
     default: