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bugfix: call lua_tolstring for bson dict key

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云风
2014-02-25 14:58:19 +08:00
parent 2166ce3c96
commit eb188eeaa3
1 changed files with 31 additions and 17 deletions
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48
lualib-src/lua-bson.c
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@@ -404,18 +404,17 @@ append_one(struct bson *bs, lua_State *L, const char *key, size_t sz) {
}
static inline int
bson_numstr( char *str, int i ) {
bson_numstr( char *str, unsigned int i ) {
if ( i < MAX_NUMBER) {
memcpy( str, bson_numstrs[i], 4 );
return bson_numstr_len[i];
} else {
return sprintf( str,"%d", i );
return sprintf( str,"%u", i );
}
}
static void
pack_dict(lua_State *L, struct bson *b, bool isarray) {
int arraydec = isarray ? 1 : 0;
int length = reserve_length(b);
lua_pushnil(L);
while(lua_next(L,-2) != 0) {
@@ -423,21 +422,36 @@ pack_dict(lua_State *L, struct bson *b, bool isarray) {
char numberkey[8];
const char * key = NULL;
size_t sz;
switch(kt) {
case LUA_TNUMBER:
sz = bson_numstr(numberkey, lua_tointeger(L,-2)-arraydec);
key = numberkey;
break;
case LUA_TSTRING:
key = lua_tolstring(L,-2,&sz);
break;
default:
luaL_error(L, "Invalid key type : %s", lua_typename(L, kt));
return;
}
if (isarray) {
if (kt != LUA_TNUMBER) {
luaL_error(L, "Invalid array key type : %s", lua_typename(L, kt));
return;
}
sz = bson_numstr(numberkey, lua_tounsigned(L,-2)-1);
key = numberkey;
append_one(b, L, key, sz);
lua_pop(L,1);
append_one(b, L, key, sz);
lua_pop(L,1);
} else {
switch(kt) {
case LUA_TNUMBER:
// copy key, don't change key type
lua_pushvalue(L,-2);
lua_insert(L,-2);
key = lua_tolstring(L,-2,&sz);
append_one(b, L, key, sz);
lua_pop(L,2);
break;
case LUA_TSTRING:
key = lua_tolstring(L,-2,&sz);
append_one(b, L, key, sz);
lua_pop(L,1);
break;
default:
luaL_error(L, "Invalid key type : %s", lua_typename(L, kt));
return;
}
}
}
write_byte(b,0);
write_length(b, b->size - length, length);