Clients: Give warning if keepalive too low.
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@ -689,8 +689,8 @@ int client_config_line_proc(struct mosq_config *cfg, int pub_or_sub, int argc, c
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return 1;
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}else{
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cfg->keepalive = atoi(argv[i+1]);
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if(cfg->keepalive>65535){
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fprintf(stderr, "Error: Invalid keepalive given: %d\n", cfg->keepalive);
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if(cfg->keepalive<5 || cfg->keepalive>UINT16_MAX){
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fprintf(stderr, "Error: Invalid keepalive given, it must be between 5 and 65535 inclusive.\n\n");
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return 1;
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}
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}
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@ -43,7 +43,7 @@ static int mosquitto__connect_init(struct mosquitto *mosq, const char *host, int
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if(!mosq) return MOSQ_ERR_INVAL;
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if(!host || port < 0 || port > UINT16_MAX) return MOSQ_ERR_INVAL;
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if(keepalive < 5 || keepalive > UINT16_MAX) return MOSQ_ERR_INVAL;
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if(keepalive != 0 && (keepalive < 5 || keepalive > UINT16_MAX)) return MOSQ_ERR_INVAL;
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/* Only MQTT v3.1 requires a client id to be sent */
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if(mosq->id == NULL && (mosq->protocol == mosq_p_mqtt31)){
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