diff options
Diffstat (limited to 'src/scripting.c')
| -rw-r--r-- | src/scripting.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/scripting.c b/src/scripting.c index 327d81222..2774a5d66 100644 --- a/src/scripting.c +++ b/src/scripting.c @@ -233,12 +233,22 @@ int luaRedisGenericCommand(lua_State *lua, int raise_error) { char *obj_s; size_t obj_len; - obj_s = (char*)lua_tolstring(lua,j+1,&obj_len); - if (obj_s == NULL) break; /* Not a string. */ + if (lua_isnumber(lua,j+1)) { + /* We can't use lua_tolstring() for number -> string conversion + * since Lua uses a format specifier that loses precision. */ + char dbuf[64]; + lua_Number num = lua_tonumber(lua,j+1); + + obj_len = snprintf(dbuf,sizeof(dbuf),"%.17g",(double)num); + obj_s = dbuf; + } else { + obj_s = (char*)lua_tolstring(lua,j+1,&obj_len); + if (obj_s == NULL) break; /* Not a string. */ + } /* Try to use a cached object. */ - if (j < LUA_CMD_OBJCACHE_SIZE && cached_objects[j] && - cached_objects_len[j] >= obj_len) + if (j < LUA_CMD_OBJCACHE_SIZE && cached_objects[j] && + cached_objects_len[j] >= obj_len) { char *s = cached_objects[j]->ptr; struct sdshdr *sh = (void*)(s-(sizeof(struct sdshdr))); |