Re: [newbie] ASN1 types mapping to c

2009/11/8 LiWei Sun <[email protected]>:
> I don't know how to pass an ip address value to "snmp_set_var_typed_value"  function.
> I got a string value like "192.168.1.1", is it right to simply cast it to u_char* type

No - you need to pass it a *binary* string - of length 4.
Something like:

   char addr[4];
   addr[0] = 192;
   addr[1] = 168;
   addr[2] = 1;
   addr[3] = 1;

snmp_set_var_typed_value(var, ASN_IPADDRESS, addr, sizeof(addr));


You may need to experiment to check the byte ordering.

Dave

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