Crash with bad memory access using command

[coov]

Hi,

I am using ObjCHiredis in a Mac objective C program to access a database hosted on a website.
If the connection to the site goes down, the following call fails with an null memory access:

rand_key = [mRedisDB command:@"RANDOMKEY"];

Looking at the header, I don't see a checkConnection type of function. And if the connection fails, this call definitely doesn't fail gracefully. The header shows the following options:

• (id)redis:(NSString_)ipaddress on:(NSNumber_)portnumber db:(NSNumber*)db;
• (id)redis:(NSString_)ipaddress on:(NSNumber_)portnumber;
• (id)redis;
• (BOOL)connect:(NSString_)ipaddress on:(NSNumber_)portnumber;
• (id)command:(NSString*)command;
• (id)commandArgv:(NSArray*)cargv;
• (NSArray*)getReply;
• (BOOL)timesOut;
• (void)close;

Is there anything that I am missing to avoid making this call without an internet connection? Although I am checking for the connection in my program before making the call, it still will fail if the connection goes down between the check and the above call.

Thanks,

Coov