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RESP3: RESP3 double -> Lua conversion.

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antirez 2019-09-17 19:20:30 +02:00
parent f3ac144115
commit 11678504f7
1 changed files with 23 additions and 0 deletions
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23
src/scripting.c
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@ -45,6 +45,7 @@ char *redisProtocolToLuaType_Error(lua_State *lua, char *reply);
char *redisProtocolToLuaType_Aggregate(lua_State *lua, char *reply, int atype);
char *redisProtocolToLuaType_Null(lua_State *lua, char *reply);
char *redisProtocolToLuaType_Bool(lua_State *lua, char *reply, int tf);
char *redisProtocolToLuaType_Double(lua_State *lua, char *reply);
int redis_math_random (lua_State *L);
int redis_math_randomseed (lua_State *L);
void ldbInit(void);
@ -139,6 +140,7 @@ char *redisProtocolToLuaType(lua_State *lua, char* reply) {
case '~': p = redisProtocolToLuaType_Aggregate(lua,reply,*p); break;
case '_': p = redisProtocolToLuaType_Null(lua,reply); break;
case '#': p = redisProtocolToLuaType_Bool(lua,reply,p[1]);
case ',': p = redisProtocolToLuaType_Double(lua,reply);
}
return p;
}
@ -239,6 +241,27 @@ char *redisProtocolToLuaType_Bool(lua_State *lua, char *reply, int tf) {
return p+2;
}
char *redisProtocolToLuaType_Double(lua_State *lua, char *reply) {
char *p = strchr(reply+1,'\r');
char buf[MAX_LONG_DOUBLE_CHARS+1];
size_t len = p-reply-1;
double d;
if (len <= MAX_LONG_DOUBLE_CHARS) {
memcpy(buf,reply+1,len);
buf[len] = '\0';
d = strtod(buf,NULL); /* We expect a valid representation. */
} else {
d = 0;
}
lua_newtable(lua);
lua_pushstring(lua,"double");
lua_pushnumber(lua,d);
lua_settable(lua,-3);
return p+2;
}
/* This function is used in order to push an error on the Lua stack in the
* format used by redis.pcall to return errors, which is a lua table
* with a single "err" field set to the error string. Note that this