diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2006-09-19 14:20:22 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2006-09-19 14:20:22 +0000 |
| commit | 8971cdaeca82c8f8f2dc9257fc10c558d2cc77ff (patch) | |
| tree | 74cc735fc72a82b8101bc7124741bb0760f0a04b | |
| parent | e40c04b82695c1cde8ad9ed1e2aa1756463d73a7 (diff) | |
| download | busybox-8971cdaeca82c8f8f2dc9257fc10c558d2cc77ff.tar.gz | |
stty: reduce #ifdef forest
| -rw-r--r-- | coreutils/stty.c | 97 |
1 files changed, 45 insertions, 52 deletions
diff --git a/coreutils/stty.c b/coreutils/stty.c index 641bfb815..e60c4f589 100644 --- a/coreutils/stty.c +++ b/coreutils/stty.c @@ -765,6 +765,40 @@ end_option: return EXIT_SUCCESS; } +/* 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) @@ -790,23 +824,10 @@ set_mode(const struct mode_info *info, int reversed, struct termios *mode) } else if (info->name == stty_nl) { if (reversed) { mode->c_iflag = (mode->c_iflag | ICRNL) & ~INLCR & ~IGNCR; - mode->c_oflag = (mode->c_oflag -#ifdef ONLCR - | ONLCR -#endif - ) -#ifdef OCRNL - & ~OCRNL -#endif -#ifdef ONLRET - & ~ONLRET -#endif - ; + mode->c_oflag = (mode->c_oflag | ONLCR) & ~OCRNL & ~ONLRET; } else { mode->c_iflag = mode->c_iflag & ~ICRNL; -#ifdef ONLCR - mode->c_oflag = mode->c_oflag & ~ONLCR; -#endif + if (ONLCR) mode->c_oflag = mode->c_oflag & ~ONLCR; } } else if (info->name == stty_ek) { mode->c_cc[VERASE] = CERASE; @@ -853,42 +874,31 @@ set_mode(const struct mode_info *info, int reversed, struct termios *mode) /* Raw mode */ mode->c_iflag = 0; mode->c_oflag &= ~OPOST; - mode->c_lflag &= ~(ISIG | ICANON -#ifdef XCASE - | XCASE -#endif - ); + mode->c_lflag &= ~(ISIG | ICANON | XCASE); mode->c_cc[VMIN] = 1; mode->c_cc[VTIME] = 0; } } -#ifdef IXANY - else if (info->name == decctlq) { + else if (IXANY && info->name == decctlq) { if (reversed) mode->c_iflag |= IXANY; else mode->c_iflag &= ~IXANY; } -#endif -#ifdef TABDLY - else if (info->name == stty_tabs) { + else if (TABDLY && info->name == stty_tabs) { if (reversed) mode->c_oflag = (mode->c_oflag & ~TABDLY) | TAB3; else mode->c_oflag = (mode->c_oflag & ~TABDLY) | TAB0; } -#else -# ifdef OXTABS - else if (info->name == stty_tabs) { + else if (OXTABS && info->name == stty_tabs) { if (reversed) mode->c_oflag = mode->c_oflag | OXTABS; else mode->c_oflag = mode->c_oflag & ~OXTABS; } -# endif -#endif -#if defined(XCASE) && defined(IUCLC) && defined(OLCUC) - else if (info->name == stty_lcase || info->name == stty_LCASE) { + else if (XCASE && IUCLC && OLCUC + && (info->name == stty_lcase || info->name == stty_LCASE)) { if (reversed) { mode->c_lflag &= ~XCASE; mode->c_iflag &= ~IUCLC; @@ -899,31 +909,14 @@ set_mode(const struct mode_info *info, int reversed, struct termios *mode) mode->c_oflag |= OLCUC; } } -#endif else if (info->name == stty_crt) - mode->c_lflag |= ECHOE -#ifdef ECHOCTL - | ECHOCTL -#endif -#ifdef ECHOKE - | ECHOKE -#endif - ; + mode->c_lflag |= ECHOE | ECHOCTL | ECHOKE; else if (info->name == stty_dec) { mode->c_cc[VINTR] = 3; /* ^C */ mode->c_cc[VERASE] = 127; /* DEL */ mode->c_cc[VKILL] = 21; /* ^U */ - mode->c_lflag |= ECHOE -#ifdef ECHOCTL - | ECHOCTL -#endif -#ifdef ECHOKE - | ECHOKE -#endif - ; -#ifdef IXANY - mode->c_iflag &= ~IXANY; -#endif + mode->c_lflag |= ECHOE | ECHOCTL | ECHOKE; + if (IXANY) mode->c_iflag &= ~IXANY; } } else if (reversed) *bitsp = *bitsp & ~((unsigned long)info->mask) & ~info->bits; |