diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-11-05 16:20:58 +0300 |
---|---|---|
committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-11-05 16:20:58 +0300 |
commit | 202ac504e1addf0aa2debd53e7cd2411cc73ac8c (patch) | |
tree | 20a02054110c8b0dbec1f94252a9d2b759dac3ae | |
parent | 905ed8730f1b78461cf83e719a1e077214c2432c (diff) |
*: code shrink by adding a wrapper around very common tcsetattr(0, TCSANOW, xx) op
function old new delta
tcsetattr_stdin_TCSANOW - 14 +14
set_sane_term 116 113 -3
top_main 1277 1273 -4
make_new_session 421 415 -6
rawmode 133 126 -7
reset_term 18 10 -8
die 43 35 -8
cookmode 62 54 -8
vlock_main 425 415 -10
read_line_input 3165 3155 -10
bb_askpass 357 347 -10
fsck_minix_main 3079 3065 -14
getty_main 2375 2332 -43
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/12 up/down: 14/-131) Total: -117 bytes
-rw-r--r-- | e2fsprogs/old_e2fsprogs/e2fsck.c | 6 | ||||
-rw-r--r-- | editors/vi.c | 4 | ||||
-rw-r--r-- | include/libbb.h | 2 | ||||
-rw-r--r-- | init/init.c | 2 | ||||
-rw-r--r-- | libbb/bb_askpass.c | 4 | ||||
-rw-r--r-- | libbb/get_console.c | 2 | ||||
-rw-r--r-- | libbb/lineedit.c | 4 | ||||
-rw-r--r-- | libbb/xfuncs.c | 5 | ||||
-rw-r--r-- | loginutils/getty.c | 16 | ||||
-rw-r--r-- | loginutils/vlock.c | 4 | ||||
-rw-r--r-- | networking/telnetd.c | 2 | ||||
-rw-r--r-- | procps/top.c | 4 | ||||
-rw-r--r-- | util-linux/fsck_minix.c | 6 |
13 files changed, 34 insertions, 27 deletions
diff --git a/e2fsprogs/old_e2fsprogs/e2fsck.c b/e2fsprogs/old_e2fsprogs/e2fsck.c index 61a30f487..741536c1c 100644 --- a/e2fsprogs/old_e2fsprogs/e2fsck.c +++ b/e2fsprogs/old_e2fsprogs/e2fsck.c @@ -12281,7 +12281,7 @@ static int ask_yn(const char * string, int def) tmp.c_lflag &= ~(ICANON | ECHO); tmp.c_cc[VMIN] = 1; tmp.c_cc[VTIME] = 0; - tcsetattr (0, TCSANOW, &tmp); + tcsetattr_stdin_TCSANOW(&tmp); #endif if (def == 1) @@ -12297,7 +12297,7 @@ static int ask_yn(const char * string, int def) break; if (c == 3) { #ifdef HAVE_TERMIOS_H - tcsetattr (0, TCSANOW, &termios); + tcsetattr_stdin_TCSANOW(&termios); #endif if (e2fsck_global_ctx && e2fsck_global_ctx->flags & E2F_FLAG_SETJMP_OK) { @@ -12323,7 +12323,7 @@ static int ask_yn(const char * string, int def) else puts ("no\n"); #ifdef HAVE_TERMIOS_H - tcsetattr (0, TCSANOW, &termios); + tcsetattr_stdin_TCSANOW(&termios); #endif return def; } diff --git a/editors/vi.c b/editors/vi.c index 93e564756..92c069de0 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -2106,13 +2106,13 @@ static void rawmode(void) term_vi.c_cc[VMIN] = 1; term_vi.c_cc[VTIME] = 0; erase_char = term_vi.c_cc[VERASE]; - tcsetattr(0, TCSANOW, &term_vi); + tcsetattr_stdin_TCSANOW(&term_vi); } static void cookmode(void) { fflush(stdout); - tcsetattr(0, TCSANOW, &term_orig); + tcsetattr_stdin_TCSANOW(&term_orig); } //----- Come here when we get a window resize signal --------- diff --git a/include/libbb.h b/include/libbb.h index 5b6a2dae1..086a59f05 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1142,6 +1142,8 @@ extern void print_login_prompt(void) FAST_FUNC; /* NB: typically you want to pass fd 0, not 1. Think 'applet | grep something' */ int get_terminal_width_height(int fd, unsigned *width, unsigned *height) FAST_FUNC; +int tcsetattr_stdin_TCSANOW(const struct termios *tp) FAST_FUNC; + /* NB: "unsigned request" is crucial! "int request" will break some arches! */ int ioctl_or_perror(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC; int ioctl_or_perror_and_die(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC; diff --git a/init/init.c b/init/init.c index ae2dd6a7a..3d171d71f 100644 --- a/init/init.c +++ b/init/init.c @@ -261,7 +261,7 @@ static void set_sane_term(void) tty.c_lflag = ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOKE | IEXTEN; - tcsetattr(STDIN_FILENO, TCSANOW, &tty); + tcsetattr_stdin_TCSANOW(&tty); } /* Open the new terminal device. diff --git a/libbb/bb_askpass.c b/libbb/bb_askpass.c index fba82a07b..c60ef3708 100644 --- a/libbb/bb_askpass.c +++ b/libbb/bb_askpass.c @@ -37,7 +37,7 @@ char* FAST_FUNC bb_askpass(int timeout, const char *prompt) tio = oldtio; tio.c_iflag &= ~(IUCLC|IXON|IXOFF|IXANY); tio.c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|TOSTOP); - tcsetattr(STDIN_FILENO, TCSANOW, &tio); + tcsetattr_stdin_TCSANOW(&tio); memset(&sa, 0, sizeof(sa)); /* sa.sa_flags = 0; - no SA_RESTART! */ @@ -70,7 +70,7 @@ char* FAST_FUNC bb_askpass(int timeout, const char *prompt) } sigaction_set(SIGINT, &oldsa); - tcsetattr(STDIN_FILENO, TCSANOW, &oldtio); + tcsetattr_stdin_TCSANOW(&oldtio); bb_putchar('\n'); fflush(stdout); return ret; diff --git a/libbb/get_console.c b/libbb/get_console.c index ad56e740f..74022b543 100644 --- a/libbb/get_console.c +++ b/libbb/get_console.c @@ -13,7 +13,6 @@ /* From <linux/kd.h> */ enum { KDGKBTYPE = 0x4B33 }; /* get keyboard type */ - static int open_a_console(const char *fnam) { int fd; @@ -37,7 +36,6 @@ static int open_a_console(const char *fnam) * We try several things because opening /dev/console will fail * if someone else used X (which does a chown on /dev/console). */ - int FAST_FUNC get_console_fd_or_die(void) { static const char *const console_names[] = { diff --git a/libbb/lineedit.c b/libbb/lineedit.c index 1f21866ca..3953cc904 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -1436,7 +1436,7 @@ int FAST_FUNC read_line_input(const char *prompt, char *command, int maxsize, li #define _POSIX_VDISABLE '\0' #endif new_settings.c_cc[VINTR] = _POSIX_VDISABLE; - tcsetattr(STDIN_FILENO, TCSANOW, &new_settings); + tcsetattr_stdin_TCSANOW(&new_settings); /* Now initialize things */ previous_SIGWINCH_handler = signal(SIGWINCH, win_changed); @@ -1860,7 +1860,7 @@ int FAST_FUNC read_line_input(const char *prompt, char *command, int maxsize, li #endif /* restore initial_settings */ - tcsetattr(STDIN_FILENO, TCSANOW, &initial_settings); + tcsetattr_stdin_TCSANOW(&initial_settings); /* restore SIGWINCH handler */ signal(SIGWINCH, previous_SIGWINCH_handler); fflush(stdout); diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c index 8ef305ba0..e2aee136c 100644 --- a/libbb/xfuncs.c +++ b/libbb/xfuncs.c @@ -289,3 +289,8 @@ int FAST_FUNC get_terminal_width_height(int fd, unsigned *width, unsigned *heigh return ret; } + +int FAST_FUNC tcsetattr_stdin_TCSANOW(const struct termios *tp) +{ + return tcsetattr(STDIN_FILENO, TCSANOW, tp); +} diff --git a/loginutils/getty.c b/loginutils/getty.c index 8b0e729fb..0f536888b 100644 --- a/loginutils/getty.c +++ b/loginutils/getty.c @@ -279,7 +279,7 @@ static void termios_init(struct termios *tp, int speed, struct options *op) */ #ifdef __linux__ /* flush input and output queues, important for modems! */ - ioctl(0, TCFLSH, TCIOFLUSH); + ioctl(0, TCFLSH, TCIOFLUSH); /* tcflush(0, TCIOFLUSH)? - same */ #endif tp->c_cflag = CS8 | HUPCL | CREAD | speed; @@ -297,7 +297,7 @@ static void termios_init(struct termios *tp, int speed, struct options *op) tp->c_cflag |= CRTSCTS; #endif - ioctl(0, TCSETS, tp); + tcsetattr_stdin_TCSANOW(tp); debug("term_io 2\n"); } @@ -334,7 +334,7 @@ static void auto_baud(char *buf, unsigned size_buf, struct termios *tp) tp->c_iflag |= ISTRIP; /* enable 8th-bit stripping */ vmin = tp->c_cc[VMIN]; tp->c_cc[VMIN] = 0; /* don't block if queue empty */ - ioctl(0, TCSETS, tp); + tcsetattr_stdin_TCSANOW(tp); /* * Wait for a while, then read everything the modem has said so far and @@ -359,7 +359,7 @@ static void auto_baud(char *buf, unsigned size_buf, struct termios *tp) /* Restore terminal settings. Errors will be dealt with later on. */ tp->c_iflag = iflag; tp->c_cc[VMIN] = vmin; - ioctl(0, TCSETS, tp); + tcsetattr_stdin_TCSANOW(tp); } /* do_prompt - show login prompt, optionally preceded by /etc/issue contents */ @@ -404,7 +404,7 @@ static char *get_logname(char *logname, unsigned size_logname, /* Flush pending input (esp. after parsing or switching the baud rate). */ sleep(1); - ioctl(0, TCFLSH, TCIFLUSH); + ioctl(0, TCFLSH, TCIFLUSH); /* tcflush(0, TCIOFLUSH)? - same */ /* Prompt for and read a login name. */ logname[0] = '\0'; @@ -552,12 +552,13 @@ static void termios_final(struct options *op, struct termios *tp, struct chardat } #endif /* Optionally enable hardware flow control */ -#ifdef CRTSCTS +#ifdef CRTSCTS if (op->flags & F_RTSCTS) tp->c_cflag |= CRTSCTS; #endif /* Finally, make the new settings effective */ + /* It's tcsetattr_stdin_TCSANOW() + error check */ ioctl_or_perror_and_die(0, TCSETS, tp, "%s: TCSETS", op->tty); } @@ -689,6 +690,7 @@ int getty_main(int argc UNUSED_PARAM, char **argv) * by patching the SunOS kernel variable "zsadtrlow" to a larger value; * 5 seconds seems to be a good value. */ + /* tcgetattr() + error check */ ioctl_or_perror_and_die(0, TCGETS, &termios, "%s: TCGETS", options.tty); #ifdef __linux__ @@ -753,7 +755,7 @@ int getty_main(int argc UNUSED_PARAM, char **argv) baud_index = (baud_index + 1) % options.numspeed; termios.c_cflag &= ~CBAUD; termios.c_cflag |= options.speeds[baud_index]; - ioctl(0, TCSETS, &termios); + tcsetattr_stdin_TCSANOW(&termios); } } diff --git a/loginutils/vlock.c b/loginutils/vlock.c index 42ef44732..0262da5bd 100644 --- a/loginutils/vlock.c +++ b/loginutils/vlock.c @@ -87,7 +87,7 @@ int vlock_main(int argc UNUSED_PARAM, char **argv) term.c_iflag |= IGNBRK; term.c_lflag &= ~ISIG; term.c_lflag &= ~(ECHO | ECHOCTL); - tcsetattr(STDIN_FILENO, TCSANOW, &term); + tcsetattr_stdin_TCSANOW(&term); do { printf("Virtual console%s locked by %s.\n", @@ -101,6 +101,6 @@ int vlock_main(int argc UNUSED_PARAM, char **argv) } while (1); ioctl(STDIN_FILENO, VT_SETMODE, &ovtm); - tcsetattr(STDIN_FILENO, TCSANOW, &oterm); + tcsetattr_stdin_TCSANOW(&oterm); fflush_stdout_and_exit(EXIT_SUCCESS); } diff --git a/networking/telnetd.c b/networking/telnetd.c index 7f748641b..efc2bf607 100644 --- a/networking/telnetd.c +++ b/networking/telnetd.c @@ -243,7 +243,7 @@ make_new_session( termbuf.c_iflag |= ICRNL; termbuf.c_iflag &= ~IXOFF; /*termbuf.c_lflag &= ~ICANON;*/ - tcsetattr(0, TCSANOW, &termbuf); + tcsetattr_stdin_TCSANOW(&termbuf); /* Uses FILE-based I/O to stdout, but does fflush(stdout), * so should be safe with vfork. diff --git a/procps/top.c b/procps/top.c index 908ae8151..1d22871f6 100644 --- a/procps/top.c +++ b/procps/top.c @@ -649,7 +649,7 @@ static void clearmems(void) static void reset_term(void) { - tcsetattr(0, TCSANOW, &initial_settings); + tcsetattr_stdin_TCSANOW(&initial_settings); if (ENABLE_FEATURE_CLEAN_UP) { clearmems(); #if ENABLE_FEATURE_TOP_CPU_USAGE_PERCENTAGE @@ -941,7 +941,7 @@ int top_main(int argc UNUSED_PARAM, char **argv) new_settings.c_lflag &= ~(ISIG | ICANON | ECHO | ECHONL); bb_signals(BB_FATAL_SIGS, sig_catcher); - tcsetattr(0, TCSANOW, (void *) &new_settings); + tcsetattr_stdin_TCSANOW(&new_settings); #endif /* FEATURE_USE_TERMIOS */ #if ENABLE_FEATURE_TOP_CPU_USAGE_PERCENTAGE diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c index 2dbd437a3..78a7c826b 100644 --- a/util-linux/fsck_minix.c +++ b/util-linux/fsck_minix.c @@ -293,7 +293,7 @@ static void die(const char *str) NORETURN; static void die(const char *str) { if (termios_set) - tcsetattr(0, TCSANOW, &sv_termios); + tcsetattr_stdin_TCSANOW(&sv_termios); bb_error_msg_and_die("%s", str); } @@ -1254,7 +1254,7 @@ int fsck_minix_main(int argc UNUSED_PARAM, char **argv) tcgetattr(0, &sv_termios); tmp = sv_termios; tmp.c_lflag &= ~(ICANON | ECHO); - tcsetattr(0, TCSANOW, &tmp); + tcsetattr_stdin_TCSANOW(&tmp); termios_set = 1; } @@ -1299,7 +1299,7 @@ int fsck_minix_main(int argc UNUSED_PARAM, char **argv) write_superblock(); if (OPT_manual) - tcsetattr(0, TCSANOW, &sv_termios); + tcsetattr_stdin_TCSANOW(&sv_termios); if (changed) retcode += 3; |