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json_object_private: Use unsigned 32-bit integer type for refcount

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Björn Esser
2017-12-16 17:09:39 +01:00
parent 5ea6a05bfa
commit c233f5c05e
2 changed files with 4 additions and 1 deletions
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3
json_object.c
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@@ -169,6 +169,9 @@ extern struct json_object* json_object_get(struct json_object *jso)
{
if (!jso) return jso;
// Don't overflow the refcounter.
assert(jso->_ref_count < UINT_FAST32_MAX);
#if defined(HAVE_ATOMIC_BUILTINS) && defined(ENABLE_THREADING)
__sync_add_and_fetch(&jso->_ref_count, 1);
#else

2
json_object_private.h
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@@ -29,7 +29,7 @@ struct json_object
enum json_type o_type;
json_object_private_delete_fn *_delete;
json_object_to_json_string_fn *_to_json_string;
int _ref_count;
uint_fast32_t _ref_count;
struct printbuf *_pb;
union data {
json_bool c_boolean;