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Fix clang warning about unreachable code

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Do check with preprocessor instead
This commit is contained in:
Erik Ekman 2016-06-27 22:32:18 +02:00
parent 5d356c96f5
commit 4047702928
1 changed files with 9 additions and 2 deletions
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11
src/core/tcp.c
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@ -73,6 +73,13 @@
#define TCP_KEEP_INTVL(pcb) TCP_KEEPINTVL_DEFAULT #define TCP_KEEP_INTVL(pcb) TCP_KEEPINTVL_DEFAULT
#endif /* LWIP_TCP_KEEPALIVE */ #endif /* LWIP_TCP_KEEPALIVE */
/* As initial send MSS, we use TCP_MSS but limit it to 536. */
#if TCP_MSS > 536
#define INITIAL_MSS 536
#else
#define INITIAL_MSS TCP_MSS
#endif
const char * const tcp_state_str[] = { const char * const tcp_state_str[] = {
"CLOSED", "CLOSED",
"LISTEN", "LISTEN",
@ -868,7 +875,7 @@ tcp_connect(struct tcp_pcb *pcb, const ip_addr_t *ipaddr, u16_t port,
pcb->snd_wnd = TCP_WND; pcb->snd_wnd = TCP_WND;
/* As initial send MSS, we use TCP_MSS but limit it to 536. /* As initial send MSS, we use TCP_MSS but limit it to 536.
The send MSS is updated when an MSS option is received. */ The send MSS is updated when an MSS option is received. */
pcb->mss = (TCP_MSS > 536) ? 536 : TCP_MSS; pcb->mss = INITIAL_MSS;
#if TCP_CALCULATE_EFF_SEND_MSS #if TCP_CALCULATE_EFF_SEND_MSS
pcb->mss = tcp_eff_send_mss(pcb->mss, &pcb->local_ip, &pcb->remote_ip); pcb->mss = tcp_eff_send_mss(pcb->mss, &pcb->local_ip, &pcb->remote_ip);
#endif /* TCP_CALCULATE_EFF_SEND_MSS */ #endif /* TCP_CALCULATE_EFF_SEND_MSS */
@ -1524,7 +1531,7 @@ tcp_alloc(u8_t prio)
pcb->ttl = TCP_TTL; pcb->ttl = TCP_TTL;
/* As initial send MSS, we use TCP_MSS but limit it to 536. /* As initial send MSS, we use TCP_MSS but limit it to 536.
The send MSS is updated when an MSS option is received. */ The send MSS is updated when an MSS option is received. */
pcb->mss = (TCP_MSS > 536) ? 536 : TCP_MSS; pcb->mss = INITIAL_MSS;
pcb->rto = 3000 / TCP_SLOW_INTERVAL; pcb->rto = 3000 / TCP_SLOW_INTERVAL;
pcb->sv = 3000 / TCP_SLOW_INTERVAL; pcb->sv = 3000 / TCP_SLOW_INTERVAL;
pcb->rtime = -1; pcb->rtime = -1;