* <crlf> ::= CR LF
*/
if(msg[0] == ':') { /* check prefix */
- p = strchr(msg, ' ');
+ if (!(p = strchr(msg, ' ')))
+ return;
*p = 0;
for(++p; *p == ' '; p++);
cmd = p;
argv[Ttext] = ++p;
}
tokenize(&argv[Tcmd], Tlast - Tcmd, cmd, ' ');
- if(!strncmp("PONG", argv[Tcmd], 5))
+ if(!argv[Tcmd] || !strncmp("PONG", argv[Tcmd], 5))
return;
else if(!strncmp("PING", argv[Tcmd], 5)) {
snprintf(bufout, sizeof bufout, "PONG %s\r\n", argv[Ttext]);