From 57727d478db55b25bdc33bb9067915b659605ae6 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 12 Oct 2016 20:42:58 +0200 Subject: [PATCH] telnet: code shrink put_iac2(w,c) is mostly used with constants, fold them into one arg function old new delta put_iac2_merged - 46 +46 telnet_main 1603 1583 -20 con_escape 285 257 -28 put_iac2 50 - -50 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 0/2 up/down: 46/-98) Total: -52 bytes Signed-off-by: Denys Vlasenko --- networking/telnet.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/networking/telnet.c b/networking/telnet.c index d2daf5c8c..1a6986b94 100644 --- a/networking/telnet.c +++ b/networking/telnet.c @@ -311,15 +311,16 @@ static void put_iac(int c) G.iacbuf[G.iaclen++] = c; } -static void put_iac2(byte wwdd, byte c) +static void put_iac2_merged(unsigned wwdd_and_c) { if (G.iaclen + 3 > IACBUFSIZE) iac_flush(); put_iac(IAC); - put_iac(wwdd); - put_iac(c); + put_iac(wwdd_and_c >> 8); + put_iac(wwdd_and_c & 0xff); } +#define put_iac2(wwdd,c) put_iac2_merged(((wwdd)<<8) + (c)) #if ENABLE_FEATURE_TELNET_TTYPE static void put_iac_subopt(byte c, char *str)