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bugfix: See #1484

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This commit is contained in:
Cloud Wu
2021-10-13 12:57:55 +08:00
parent 0ae839b2dd
commit f80e2cd9b1
1 changed files with 18 additions and 9 deletions
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15
lualib-src/lua-bson.c
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@@ -512,17 +512,26 @@ pack_meta_dict(lua_State *L, struct bson *b, int depth) {
static bool static bool
is_rawarray(lua_State *L) { is_rawarray(lua_State *L) {
// test first key, hash part first in Lua 5.4
lua_pushnil(L);
if (lua_next(L, -2) == 0) {
// empty table
return false;
}
lua_Integer firstkey = lua_tointeger(L, -2);
lua_pop(L, 2);
if (firstkey != 1)
return false;
size_t len = lua_rawlen(L, -1); size_t len = lua_rawlen(L, -1);
if (len > 0) {
lua_pushinteger(L, len); lua_pushinteger(L, len);
if (lua_next(L,-2) == 0) { if (lua_next(L,-2) == 0) {
return true; return true;
} else { } else {
lua_pop(L,2); lua_pop(L,2);
}
}
return false; return false;
} }
}
static void static void
append_table(struct bson *bs, lua_State *L, const char *key, size_t sz, int depth) { append_table(struct bson *bs, lua_State *L, const char *key, size_t sz, int depth) {