stty: sort out preprocessor conditionals

* Move the definitions of missing constants to the top of the file.
* Fix undefined IDX_xxx on missing termios constants.
* FreeBSD has TABDLY, TAB0 and TAB3, but no TAB1 or TAB2
* Omit the definition of set_window_size() if TIOCGWINSZ is not available.

Signed-off-by: Jeremie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 214 insertions, 125 deletions

diff --git a/coreutils/stty.c b/coreutils/stty.c
index c40d718af..33f7b21dd 100644
--- a/coreutils/stty.c
+++ b/coreutils/stty.c
@@ -115,6 +115,113 @@
 # define CSTATUS Control('t')
 #endif
 
+/* Save us from #ifdef forest plague */
+#ifndef BSDLY
+# define BSDLY 0
+#endif
+#ifndef CIBAUD
+# define CIBAUD 0
+#endif
+#ifndef CRDLY
+# define CRDLY 0
+#endif
+#ifndef CRTSCTS
+# define CRTSCTS 0
+#endif
+#ifndef ECHOCTL
+# define ECHOCTL 0
+#endif
+#ifndef ECHOKE
+# define ECHOKE 0
+#endif
+#ifndef ECHOPRT
+# define ECHOPRT 0
+#endif
+#ifndef FFDLY
+# define FFDLY 0
+#endif
+#ifndef IEXTEN
+# define IEXTEN 0
+#endif
+#ifndef IMAXBEL
+# define IMAXBEL 0
+#endif
+#ifndef IUCLC
+# define IUCLC 0
+#endif
+#ifndef IXANY
+# define IXANY 0
+#endif
+#ifndef NLDLY
+# define NLDLY 0
+#endif
+#ifndef OCRNL
+# define OCRNL 0
+#endif
+#ifndef OFDEL
+# define OFDEL 0
+#endif
+#ifndef OFILL
+# define OFILL 0
+#endif
+#ifndef OLCUC
+# define OLCUC 0
+#endif
+#ifndef ONLCR
+# define ONLCR 0
+#endif
+#ifndef ONLRET
+# define ONLRET 0
+#endif
+#ifndef ONOCR
+# define ONOCR 0
+#endif
+#ifndef OXTABS
+# define OXTABS 0
+#endif
+#ifndef TABDLY
+# define TABDLY 0
+#endif
+#ifndef TAB1
+# define TAB1 0
+#endif
+#ifndef TAB2
+# define TAB2 0
+#endif
+#ifndef TOSTOP
+# define TOSTOP 0
+#endif
+#ifndef VDSUSP
+# define VDSUSP 0
+#endif
+#ifndef VEOL2
+# define VEOL2 0
+#endif
+#ifndef VFLUSHO
+# define VFLUSHO 0
+#endif
+#ifndef VLNEXT
+# define VLNEXT 0
+#endif
+#ifndef VREPRINT
+# define VREPRINT 0
+#endif
+#ifndef VSTATUS
+# define VSTATUS 0
+#endif
+#ifndef VSWTCH
+# define VSWTCH 0
+#endif
+#ifndef VTDLY
+# define VTDLY 0
+#endif
+#ifndef VWERASE
+# define VWERASE 0
+#endif
+#ifndef XCASE
+# define XCASE 0
+#endif
+
 /* Which speeds to set */
 enum speed_setting {
 	input_speed, output_speed, both_speeds
@@ -167,13 +274,13 @@ enum {
 	IDX_cbreak,
 	IDX_crt,
 	IDX_dec,
-#ifdef IXANY
+#if IXANY
 	IDX_decctlq,
 #endif
-#if defined(TABDLY) || defined(OXTABS)
+#if TABDLY || OXTABS
 	IDX_tabs,
 #endif
-#if defined(XCASE) && defined(IUCLC) && defined(OLCUC)
+#if XCASE && IUCLC && OLCUC
 	IDX_lcase,
 	IDX_LCASE,
 #endif
@@ -196,13 +303,13 @@ static const char mode_name[] =
 	MI_ENTRY("cbreak",   combination, REV        | OMIT, 0,          0 )
 	MI_ENTRY("crt",      combination, OMIT,              0,          0 )
 	MI_ENTRY("dec",      combination, OMIT,              0,          0 )
-#ifdef IXANY
+#if IXANY
 	MI_ENTRY("decctlq",  combination, REV        | OMIT, 0,          0 )
 #endif
-#if defined(TABDLY) || defined(OXTABS)
+#if TABDLY || OXTABS
 	MI_ENTRY("tabs",     combination, REV        | OMIT, 0,          0 )
 #endif
-#if defined(XCASE) && defined(IUCLC) && defined(OLCUC)
+#if XCASE && IUCLC && OLCUC
 	MI_ENTRY("lcase",    combination, REV        | OMIT, 0,          0 )
 	MI_ENTRY("LCASE",    combination, REV        | OMIT, 0,          0 )
 #endif
@@ -217,7 +324,7 @@ static const char mode_name[] =
 	MI_ENTRY("cstopb",   control,     REV,               CSTOPB,     0 )
 	MI_ENTRY("cread",    control,     SANE_SET   | REV,  CREAD,      0 )
 	MI_ENTRY("clocal",   control,     REV,               CLOCAL,     0 )
-#ifdef CRTSCTS
+#if CRTSCTS
 	MI_ENTRY("crtscts",  control,     REV,               CRTSCTS,    0 )
 #endif
 	MI_ENTRY("ignbrk",   input,       SANE_UNSET | REV,  IGNBRK,     0 )
@@ -232,74 +339,78 @@ static const char mode_name[] =
 	MI_ENTRY("ixon",     input,       REV,               IXON,       0 )
 	MI_ENTRY("ixoff",    input,       SANE_UNSET | REV,  IXOFF,      0 )
 	MI_ENTRY("tandem",   input,       REV        | OMIT, IXOFF,      0 )
-#ifdef IUCLC
+#if IUCLC
 	MI_ENTRY("iuclc",    input,       SANE_UNSET | REV,  IUCLC,      0 )
 #endif
-#ifdef IXANY
+#if IXANY
 	MI_ENTRY("ixany",    input,       SANE_UNSET | REV,  IXANY,      0 )
 #endif
-#ifdef IMAXBEL
+#if IMAXBEL
 	MI_ENTRY("imaxbel",  input,       SANE_SET   | REV,  IMAXBEL,    0 )
 #endif
 	MI_ENTRY("opost",    output,      SANE_SET   | REV,  OPOST,      0 )
-#ifdef OLCUC
+#if OLCUC
 	MI_ENTRY("olcuc",    output,      SANE_UNSET | REV,  OLCUC,      0 )
 #endif
-#ifdef OCRNL
+#if OCRNL
 	MI_ENTRY("ocrnl",    output,      SANE_UNSET | REV,  OCRNL,      0 )
 #endif
-#ifdef ONLCR
+#if ONLCR
 	MI_ENTRY("onlcr",    output,      SANE_SET   | REV,  ONLCR,      0 )
 #endif
-#ifdef ONOCR
+#if ONOCR
 	MI_ENTRY("onocr",    output,      SANE_UNSET | REV,  ONOCR,      0 )
 #endif
-#ifdef ONLRET
+#if ONLRET
 	MI_ENTRY("onlret",   output,      SANE_UNSET | REV,  ONLRET,     0 )
 #endif
-#ifdef OFILL
+#if OFILL
 	MI_ENTRY("ofill",    output,      SANE_UNSET | REV,  OFILL,      0 )
 #endif
-#ifdef OFDEL
+#if OFDEL
 	MI_ENTRY("ofdel",    output,      SANE_UNSET | REV,  OFDEL,      0 )
 #endif
-#ifdef NLDLY
+#if NLDLY
 	MI_ENTRY("nl1",      output,      SANE_UNSET,        NL1,     NLDLY)
 	MI_ENTRY("nl0",      output,      SANE_SET,          NL0,     NLDLY)
 #endif
-#ifdef CRDLY
+#if CRDLY
 	MI_ENTRY("cr3",      output,      SANE_UNSET,        CR3,     CRDLY)
 	MI_ENTRY("cr2",      output,      SANE_UNSET,        CR2,     CRDLY)
 	MI_ENTRY("cr1",      output,      SANE_UNSET,        CR1,     CRDLY)
 	MI_ENTRY("cr0",      output,      SANE_SET,          CR0,     CRDLY)
 #endif
 
-#ifdef TABDLY
+#if TABDLY
 	MI_ENTRY("tab3",     output,      SANE_UNSET,        TAB3,   TABDLY)
+# if TAB2
 	MI_ENTRY("tab2",     output,      SANE_UNSET,        TAB2,   TABDLY)
+# endif
+# if TAB1
 	MI_ENTRY("tab1",     output,      SANE_UNSET,        TAB1,   TABDLY)
+# endif
 	MI_ENTRY("tab0",     output,      SANE_SET,          TAB0,   TABDLY)
 #else
-# ifdef OXTABS
+# if OXTABS
 	MI_ENTRY("tab3",     output,      SANE_UNSET,        OXTABS,     0 )
 # endif
 #endif
 
-#ifdef BSDLY
+#if BSDLY
 	MI_ENTRY("bs1",      output,      SANE_UNSET,        BS1,     BSDLY)
 	MI_ENTRY("bs0",      output,      SANE_SET,          BS0,     BSDLY)
 #endif
-#ifdef VTDLY
+#if VTDLY
 	MI_ENTRY("vt1",      output,      SANE_UNSET,        VT1,     VTDLY)
 	MI_ENTRY("vt0",      output,      SANE_SET,          VT0,     VTDLY)
 #endif
-#ifdef FFDLY
+#if FFDLY
 	MI_ENTRY("ff1",      output,      SANE_UNSET,        FF1,     FFDLY)
 	MI_ENTRY("ff0",      output,      SANE_SET,          FF0,     FFDLY)
 #endif
 	MI_ENTRY("isig",     local,       SANE_SET   | REV,  ISIG,       0 )
 	MI_ENTRY("icanon",   local,       SANE_SET   | REV,  ICANON,     0 )
-#ifdef IEXTEN
+#if IEXTEN
 	MI_ENTRY("iexten",   local,       SANE_SET   | REV,  IEXTEN,     0 )
 #endif
 	MI_ENTRY("echo",     local,       SANE_SET   | REV,  ECHO,       0 )
@@ -308,21 +419,21 @@ static const char mode_name[] =
 	MI_ENTRY("echok",    local,       SANE_SET   | REV,  ECHOK,      0 )
 	MI_ENTRY("echonl",   local,       SANE_UNSET | REV,  ECHONL,     0 )
 	MI_ENTRY("noflsh",   local,       SANE_UNSET | REV,  NOFLSH,     0 )
-#ifdef XCASE
+#if XCASE
 	MI_ENTRY("xcase",    local,       SANE_UNSET | REV,  XCASE,      0 )
 #endif
-#ifdef TOSTOP
+#if TOSTOP
 	MI_ENTRY("tostop",   local,       SANE_UNSET | REV,  TOSTOP,     0 )
 #endif
-#ifdef ECHOPRT
+#if ECHOPRT
 	MI_ENTRY("echoprt",  local,       SANE_UNSET | REV,  ECHOPRT,    0 )
 	MI_ENTRY("prterase", local,       REV | OMIT,        ECHOPRT,    0 )
 #endif
-#ifdef ECHOCTL
+#if ECHOCTL
 	MI_ENTRY("echoctl",  local,       SANE_SET   | REV,  ECHOCTL,    0 )
 	MI_ENTRY("ctlecho",  local,       REV        | OMIT, ECHOCTL,    0 )
 #endif
-#ifdef ECHOKE
+#if ECHOKE
 	MI_ENTRY("echoke",   local,       SANE_SET   | REV,  ECHOKE,     0 )
 	MI_ENTRY("crtkill",  local,       REV        | OMIT, ECHOKE,     0 )
 #endif
@@ -346,13 +457,13 @@ static const struct mode_info mode_info[] = {
 	MI_ENTRY("cbreak",   combination, REV        | OMIT, 0,          0 )
 	MI_ENTRY("crt",      combination, OMIT,              0,          0 )
 	MI_ENTRY("dec",      combination, OMIT,              0,          0 )
-#ifdef IXANY
+#if IXANY
 	MI_ENTRY("decctlq",  combination, REV        | OMIT, 0,          0 )
 #endif
-#if defined(TABDLY) || defined(OXTABS)
+#if TABDLY || OXTABS
 	MI_ENTRY("tabs",     combination, REV        | OMIT, 0,          0 )
 #endif
-#if defined(XCASE) && defined(IUCLC) && defined(OLCUC)
+#if XCASE && IUCLC && OLCUC
 	MI_ENTRY("lcase",    combination, REV        | OMIT, 0,          0 )
 	MI_ENTRY("LCASE",    combination, REV        | OMIT, 0,          0 )
 #endif
@@ -367,7 +478,7 @@ static const struct mode_info mode_info[] = {
 	MI_ENTRY("cstopb",   control,     REV,               CSTOPB,     0 )
 	MI_ENTRY("cread",    control,     SANE_SET   | REV,  CREAD,      0 )
 	MI_ENTRY("clocal",   control,     REV,               CLOCAL,     0 )
-#ifdef CRTSCTS
+#if CRTSCTS
 	MI_ENTRY("crtscts",  control,     REV,               CRTSCTS,    0 )
 #endif
 	MI_ENTRY("ignbrk",   input,       SANE_UNSET | REV,  IGNBRK,     0 )
@@ -382,74 +493,78 @@ static const struct mode_info mode_info[] = {
 	MI_ENTRY("ixon",     input,       REV,               IXON,       0 )
 	MI_ENTRY("ixoff",    input,       SANE_UNSET | REV,  IXOFF,      0 )
 	MI_ENTRY("tandem",   input,       REV        | OMIT, IXOFF,      0 )
-#ifdef IUCLC
+#if IUCLC
 	MI_ENTRY("iuclc",    input,       SANE_UNSET | REV,  IUCLC,      0 )
 #endif
-#ifdef IXANY
+#if IXANY
 	MI_ENTRY("ixany",    input,       SANE_UNSET | REV,  IXANY,      0 )
 #endif
-#ifdef IMAXBEL
+#if IMAXBEL
 	MI_ENTRY("imaxbel",  input,       SANE_SET   | REV,  IMAXBEL,    0 )
 #endif
 	MI_ENTRY("opost",    output,      SANE_SET   | REV,  OPOST,      0 )
-#ifdef OLCUC
+#if OLCUC
 	MI_ENTRY("olcuc",    output,      SANE_UNSET | REV,  OLCUC,      0 )
 #endif
-#ifdef OCRNL
+#if OCRNL
 	MI_ENTRY("ocrnl",    output,      SANE_UNSET | REV,  OCRNL,      0 )
 #endif
-#ifdef ONLCR
+#if ONLCR
 	MI_ENTRY("onlcr",    output,      SANE_SET   | REV,  ONLCR,      0 )
 #endif
-#ifdef ONOCR
+#if ONOCR
 	MI_ENTRY("onocr",    output,      SANE_UNSET | REV,  ONOCR,      0 )
 #endif
-#ifdef ONLRET
+#if ONLRET
 	MI_ENTRY("onlret",   output,      SANE_UNSET | REV,  ONLRET,     0 )
 #endif
-#ifdef OFILL
+#if OFILL
 	MI_ENTRY("ofill",    output,      SANE_UNSET | REV,  OFILL,      0 )
 #endif
-#ifdef OFDEL
+#if OFDEL
 	MI_ENTRY("ofdel",    output,      SANE_UNSET | REV,  OFDEL,      0 )
 #endif
-#ifdef NLDLY
+#if NLDLY
 	MI_ENTRY("nl1",      output,      SANE_UNSET,        NL1,     NLDLY)
 	MI_ENTRY("nl0",      output,      SANE_SET,          NL0,     NLDLY)
 #endif
-#ifdef CRDLY
+#if CRDLY
 	MI_ENTRY("cr3",      output,      SANE_UNSET,        CR3,     CRDLY)
 	MI_ENTRY("cr2",      output,      SANE_UNSET,        CR2,     CRDLY)
 	MI_ENTRY("cr1",      output,      SANE_UNSET,        CR1,     CRDLY)
 	MI_ENTRY("cr0",      output,      SANE_SET,          CR0,     CRDLY)
 #endif
 
-#ifdef TABDLY
+#if TABDLY
 	MI_ENTRY("tab3",     output,      SANE_UNSET,        TAB3,   TABDLY)
+# if TAB2
 	MI_ENTRY("tab2",     output,      SANE_UNSET,        TAB2,   TABDLY)
+# endif
+# if TAB1
 	MI_ENTRY("tab1",     output,      SANE_UNSET,        TAB1,   TABDLY)
+# endif
 	MI_ENTRY("tab0",     output,      SANE_SET,          TAB0,   TABDLY)
 #else
-# ifdef OXTABS
+# if OXTABS
 	MI_ENTRY("tab3",     output,      SANE_UNSET,        OXTABS,     0 )
 # endif
 #endif
 
-#ifdef BSDLY
+#if BSDLY
 	MI_ENTRY("bs1",      output,      SANE_UNSET,        BS1,     BSDLY)
 	MI_ENTRY("bs0",      output,      SANE_SET,          BS0,     BSDLY)
 #endif
-#ifdef VTDLY
+#if VTDLY
 	MI_ENTRY("vt1",      output,      SANE_UNSET,        VT1,     VTDLY)
 	MI_ENTRY("vt0",      output,      SANE_SET,          VT0,     VTDLY)
 #endif
-#ifdef FFDLY
+#if FFDLY
 	MI_ENTRY("ff1",      output,      SANE_UNSET,        FF1,     FFDLY)
 	MI_ENTRY("ff0",      output,      SANE_SET,          FF0,     FFDLY)
 #endif
 	MI_ENTRY("isig",     local,       SANE_SET   | REV,  ISIG,       0 )
 	MI_ENTRY("icanon",   local,       SANE_SET   | REV,  ICANON,     0 )
-#ifdef IEXTEN
+#if IEXTEN
 	MI_ENTRY("iexten",   local,       SANE_SET   | REV,  IEXTEN,     0 )
 #endif
 	MI_ENTRY("echo",     local,       SANE_SET   | REV,  ECHO,       0 )
@@ -458,21 +573,21 @@ static const struct mode_info mode_info[] = {
 	MI_ENTRY("echok",    local,       SANE_SET   | REV,  ECHOK,      0 )
 	MI_ENTRY("echonl",   local,       SANE_UNSET | REV,  ECHONL,     0 )
 	MI_ENTRY("noflsh",   local,       SANE_UNSET | REV,  NOFLSH,     0 )
-#ifdef XCASE
+#if XCASE
 	MI_ENTRY("xcase",    local,       SANE_UNSET | REV,  XCASE,      0 )
 #endif
-#ifdef TOSTOP
+#if TOSTOP
 	MI_ENTRY("tostop",   local,       SANE_UNSET | REV,  TOSTOP,     0 )
 #endif
-#ifdef ECHOPRT
+#if ECHOPRT
 	MI_ENTRY("echoprt",  local,       SANE_UNSET | REV,  ECHOPRT,    0 )
 	MI_ENTRY("prterase", local,       REV | OMIT,        ECHOPRT,    0 )
 #endif
-#ifdef ECHOCTL
+#if ECHOCTL
 	MI_ENTRY("echoctl",  local,       SANE_SET   | REV,  ECHOCTL,    0 )
 	MI_ENTRY("ctlecho",  local,       REV        | OMIT, ECHOCTL,    0 )
 #endif
-#ifdef ECHOKE
+#if ECHOKE
 	MI_ENTRY("echoke",   local,       SANE_SET   | REV,  ECHOKE,     0 )
 	MI_ENTRY("crtkill",  local,       REV        | OMIT, ECHOKE,     0 )
 #endif
@@ -497,31 +612,31 @@ enum {
 	CIDX_kill,
 	CIDX_eof,
 	CIDX_eol,
-#ifdef VEOL2
+#if VEOL2
 	CIDX_eol2,
 #endif
-#ifdef VSWTCH
+#if VSWTCH
 	CIDX_swtch,
 #endif
 	CIDX_start,
 	CIDX_stop,
 	CIDX_susp,
-#ifdef VDSUSP
+#if VDSUSP
 	CIDX_dsusp,
 #endif
-#ifdef VREPRINT
+#if VREPRINT
 	CIDX_rprnt,
 #endif
-#ifdef VWERASE
+#if VWERASE
 	CIDX_werase,
 #endif
-#ifdef VLNEXT
+#if VLNEXT
 	CIDX_lnext,
 #endif
-#ifdef VFLUSHO
+#if VFLUSHO
 	CIDX_flush,
 #endif
-#ifdef VSTATUS
+#if VSTATUS
 	CIDX_status,
 #endif
 	CIDX_min,
@@ -538,31 +653,31 @@ static const char control_name[] =
 	CI_ENTRY("kill",     CKILL,   VKILL   )
 	CI_ENTRY("eof",      CEOF,    VEOF    )
 	CI_ENTRY("eol",      CEOL,    VEOL    )
-#ifdef VEOL2
+#if VEOL2
 	CI_ENTRY("eol2",     CEOL2,   VEOL2   )
 #endif
-#ifdef VSWTCH
+#if VSWTCH
 	CI_ENTRY("swtch",    CSWTCH,  VSWTCH  )
 #endif
 	CI_ENTRY("start",    CSTART,  VSTART  )
 	CI_ENTRY("stop",     CSTOP,   VSTOP   )
 	CI_ENTRY("susp",     CSUSP,   VSUSP   )
-#ifdef VDSUSP
+#if VDSUSP
 	CI_ENTRY("dsusp",    CDSUSP,  VDSUSP  )
 #endif
-#ifdef VREPRINT
+#if VREPRINT
 	CI_ENTRY("rprnt",    CRPRNT,  VREPRINT)
 #endif
-#ifdef VWERASE
+#if VWERASE
 	CI_ENTRY("werase",   CWERASE, VWERASE )
 #endif
-#ifdef VLNEXT
+#if VLNEXT
 	CI_ENTRY("lnext",    CLNEXT,  VLNEXT  )
 #endif
-#ifdef VFLUSHO
+#if VFLUSHO
 	CI_ENTRY("flush",    CFLUSHO, VFLUSHO )
 #endif
-#ifdef VSTATUS
+#if VSTATUS
 	CI_ENTRY("status",   CSTATUS, VSTATUS )
 #endif
 	/* These must be last because of the display routines */
@@ -581,31 +696,31 @@ static const struct control_info control_info[] = {
 	CI_ENTRY("kill",     CKILL,   VKILL   )
 	CI_ENTRY("eof",      CEOF,    VEOF    )
 	CI_ENTRY("eol",      CEOL,    VEOL    )
-#ifdef VEOL2
+#if VEOL2
 	CI_ENTRY("eol2",     CEOL2,   VEOL2   )
 #endif
-#ifdef VSWTCH
+#if VSWTCH
 	CI_ENTRY("swtch",    CSWTCH,  VSWTCH  )
 #endif
 	CI_ENTRY("start",    CSTART,  VSTART  )
 	CI_ENTRY("stop",     CSTOP,   VSTOP   )
 	CI_ENTRY("susp",     CSUSP,   VSUSP   )
-#ifdef VDSUSP
+#if VDSUSP
 	CI_ENTRY("dsusp",    CDSUSP,  VDSUSP  )
 #endif
-#ifdef VREPRINT
+#if VREPRINT
 	CI_ENTRY("rprnt",    CRPRNT,  VREPRINT)
 #endif
-#ifdef VWERASE
+#if VWERASE
 	CI_ENTRY("werase",   CWERASE, VWERASE )
 #endif
-#ifdef VLNEXT
+#if VLNEXT
 	CI_ENTRY("lnext",    CLNEXT,  VLNEXT  )
 #endif
-#ifdef VFLUSHO
+#if VFLUSHO
 	CI_ENTRY("flush",    CFLUSHO, VFLUSHO )
 #endif
-#ifdef VSTATUS
+#if VSTATUS
 	CI_ENTRY("status",   CSTATUS, VSTATUS )
 #endif
 	/* These must be last because of the display routines */
@@ -740,6 +855,7 @@ static void newline(void)
 		wrapf("\n");
 }
 
+#ifdef TIOCGWINSZ
 static void set_window_size(int rows, int cols)
 {
 	struct winsize win = { 0, 0, 0, 0 };
@@ -760,6 +876,7 @@ static void set_window_size(int rows, int cols)
 bail:
 		perror_on_device("%s");
 }
+#endif
 
 static void display_window_size(int fancy)
 {
@@ -973,41 +1090,6 @@ static void sane_mode(struct termios *mode)
 	}
 }
 
-/* Save set_mode from #ifdef forest plague */
-#ifndef ONLCR
-#define ONLCR 0
-#endif
-#ifndef OCRNL
-#define OCRNL 0
-#endif
-#ifndef ONLRET
-#define ONLRET 0
-#endif
-#ifndef XCASE
-#define XCASE 0
-#endif
-#ifndef IXANY
-#define IXANY 0
-#endif
-#ifndef TABDLY
-#define TABDLY 0
-#endif
-#ifndef OXTABS
-#define OXTABS 0
-#endif
-#ifndef IUCLC
-#define IUCLC 0
-#endif
-#ifndef OLCUC
-#define OLCUC 0
-#endif
-#ifndef ECHOCTL
-#define ECHOCTL 0
-#endif
-#ifndef ECHOKE
-#define ECHOKE 0
-#endif
-
 static void set_mode(const struct mode_info *info, int reversed,
 					struct termios *mode)
 {
@@ -1093,27 +1175,32 @@ static void set_mode(const struct mode_info *info, int reversed,
 			mode->c_cc[VTIME] = 0;
 		}
 	}
-	else if (IXANY && info == &mode_info[IDX_decctlq]) {
+#if IXANY
+	else if (info == &mode_info[IDX_decctlq]) {
 		if (reversed)
 			mode->c_iflag |= IXANY;
 		else
 			mode->c_iflag &= ~IXANY;
 	}
-	else if (TABDLY && info == &mode_info[IDX_tabs]) {
+#endif
+#if TABDLY
+	else if (info == &mode_info[IDX_tabs]) {
 		if (reversed)
 			mode->c_oflag = (mode->c_oflag & ~TABDLY) | TAB3;
 		else
 			mode->c_oflag = (mode->c_oflag & ~TABDLY) | TAB0;
 	}
-	else if (OXTABS && info == &mode_info[IDX_tabs]) {
+#endif
+#if OXTABS
+	else if (info == &mode_info[IDX_tabs]) {
 		if (reversed)
 			mode->c_oflag |= OXTABS;
 		else
 			mode->c_oflag &= ~OXTABS;
-	} else
-	if (XCASE && IUCLC && OLCUC
-	 && (info == &mode_info[IDX_lcase] || info == &mode_info[IDX_LCASE])
-	) {
+	}
+#endif
+#if XCASE && IUCLC && OLCUC
+	else if (info==&mode_info[IDX_lcase] || info==&mode_info[IDX_LCASE]) {
 		if (reversed) {
 			mode->c_lflag &= ~XCASE;
 			mode->c_iflag &= ~IUCLC;
@@ -1123,7 +1210,9 @@ static void set_mode(const struct mode_info *info, int reversed,
 			mode->c_iflag |= IUCLC;
 			mode->c_oflag |= OLCUC;
 		}
-	} else if (info == &mode_info[IDX_crt]) {
+	}
+#endif
+	else if (info == &mode_info[IDX_crt]) {
 		mode->c_lflag |= ECHOE | ECHOCTL | ECHOKE;
 	} else if (info == &mode_info[IDX_dec]) {
 		mode->c_cc[VINTR] = 3; /* ^C */
@@ -1419,7 +1508,7 @@ int stty_main(int argc UNUSED_PARAM, char **argv)
 			perror_on_device_and_die("%s");
 
 		if (memcmp(&mode, &new_mode, sizeof(mode)) != 0) {
-#ifdef CIBAUD
+#if CIBAUD
 			/* SunOS 4.1.3 (at least) has the problem that after this sequence,
 			   tcgetattr (&m1); tcsetattr (&m1); tcgetattr (&m2);
 			   sometimes (m1 != m2).  The only difference is in the four bits