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bson bugfix

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Cloud Wu
2015-07-30 15:41:17 +08:00
parent 4cbead28d5
commit 3b48beb428
1 changed files with 6 additions and 2 deletions
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8
lualib-src/lua-bson.c
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@@ -243,12 +243,16 @@ append_key(struct bson *bs, int type, const char *key, size_t sz) {
write_string(bs, key, sz); write_string(bs, key, sz);
} }
static inline int
is_32bit(int64_t v) {
return v >= INT32_MIN && v <= INT32_MAX;
}
static void static void
append_number(struct bson *bs, lua_State *L, const char *key, size_t sz) { append_number(struct bson *bs, lua_State *L, const char *key, size_t sz) {
if (lua_isinteger(L, -1)) { if (lua_isinteger(L, -1)) {
int64_t i = lua_tointeger(L, -1); int64_t i = lua_tointeger(L, -1);
int si = i >> 31; if (is_32bit(i)) {
if (si == 0 || si == -1) {
append_key(bs, BSON_INT32, key, sz); append_key(bs, BSON_INT32, key, sz);
write_int32(bs, i); write_int32(bs, i);
} else { } else {