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json: use C.cJSON_free, for freeing the intermediate result in json_print and json_print_pretty (#15029)

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wilesun 2022-07-13 12:11:18 +08:00 committed by GitHub
parent 16a6972e2a
commit d12a8aef68
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1 changed files with 8 additions and 2 deletions
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10
vlib/json/json_primitives.v
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@ -28,6 +28,8 @@ fn C.cJSON_PrintUnformatted(&C.cJSON) &char
fn C.cJSON_Print(&C.cJSON) &char
fn C.cJSON_free(voidptr)
pub fn decode(typ voidptr, s string) ?voidptr {
// compiler implementation
return 0
@ -215,12 +217,16 @@ fn json_parse(s string) &C.cJSON {
// json_string := json_print(encode_User(user))
fn json_print(json &C.cJSON) string {
s := C.cJSON_PrintUnformatted(json)
return unsafe { tos(&u8(s), C.strlen(&char(s))) }
r := unsafe { tos_clone(&u8(s)) }
C.cJSON_free(s)
return r
}
fn json_print_pretty(json &C.cJSON) string {
s := C.cJSON_Print(json)
return unsafe { tos(&u8(s), C.strlen(&char(s))) }
r := unsafe { tos_clone(&u8(s)) }
C.cJSON_free(s)
return r
}
// / cjson wrappers