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luci-lib-jsonc: store large JSON integer values as Lua doubles

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Fixes: #3293
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit 8da8f38bf9)
This commit is contained in:
Jo-Philipp Wich 2019-11-13 09:03:38 +01:00
parent 01fd1245f9
commit bd1e6d65a2
1 changed files with 8 additions and 1 deletions
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9
libs/luci-lib-jsonc/src/jsonc.c
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@ -17,6 +17,7 @@ limitations under the License.
#define _GNU_SOURCE
#include <math.h>
#include <stdint.h>
#include <stdbool.h>
#include <json-c/json.h>
@ -145,6 +146,7 @@ static int json_parse_chunk(lua_State *L)
static void _json_to_lua(lua_State *L, struct json_object *obj)
{
int64_t v;
int n;
switch (json_object_get_type(obj))
@ -172,7 +174,12 @@ static void _json_to_lua(lua_State *L, struct json_object *obj)
break;
case json_type_int:
lua_pushinteger(L, json_object_get_int(obj));
v = json_object_get_int64(obj);
if (sizeof(lua_Integer) > sizeof(int32_t) ||
(v >= INT32_MIN && v <= INT32_MAX))
lua_pushinteger(L, (lua_Integer)v);
else
lua_pushnumber(L, (lua_Number)v);
break;
case json_type_double: