*: reduce #ifdef forest

Remove unnecessary #if statements from the "more", "script", and
"scriptreplay" commands.  Bloatcheck says 0 bytes changed.

Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-06-05 14:55:26 +02:00
parent d5f1b1bbe0
commit 53f1791212
3 changed files with 35 additions and 47 deletions

View File

@@ -16,7 +16,7 @@
#include "libbb.h"
#if ENABLE_FEATURE_USE_TERMIOS
/* Support for FEATURE_USE_TERMIOS */
struct globals {
int cin_fileno;
@@ -29,7 +29,9 @@ struct globals {
#define new_settings (G.new_settings )
#define cin_fileno (G.cin_fileno )
#define setTermSettings(fd, argp) tcsetattr(fd, TCSANOW, argp)
#define setTermSettings(fd, argp) do { \
if (ENABLE_FEATURE_USE_TERMIOS) tcsetattr(fd, TCSANOW, argp); \
} while(0)
#define getTermSettings(fd, argp) tcgetattr(fd, argp)
static void gotsig(int sig UNUSED_PARAM)
@@ -39,11 +41,6 @@ static void gotsig(int sig UNUSED_PARAM)
exit(EXIT_FAILURE);
}
#else /* !FEATURE_USE_TERMIOS */
#define INIT_G() ((void)0)
#define setTermSettings(fd, argp) ((void)0)
#endif /* FEATURE_USE_TERMIOS */
#define CONVERTED_TAB_SIZE 8
int more_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
@@ -72,21 +69,21 @@ int more_main(int argc UNUSED_PARAM, char **argv)
if (!cin)
return bb_cat(argv);
#if ENABLE_FEATURE_USE_TERMIOS
cin_fileno = fileno(cin);
getTermSettings(cin_fileno, &initial_settings);
new_settings = initial_settings;
new_settings.c_lflag &= ~ICANON;
new_settings.c_lflag &= ~ECHO;
new_settings.c_cc[VMIN] = 1;
new_settings.c_cc[VTIME] = 0;
setTermSettings(cin_fileno, &new_settings);
bb_signals(0
+ (1 << SIGINT)
+ (1 << SIGQUIT)
+ (1 << SIGTERM)
, gotsig);
#endif
if (ENABLE_FEATURE_USE_TERMIOS) {
cin_fileno = fileno(cin);
getTermSettings(cin_fileno, &initial_settings);
new_settings = initial_settings;
new_settings.c_lflag &= ~ICANON;
new_settings.c_lflag &= ~ECHO;
new_settings.c_cc[VMIN] = 1;
new_settings.c_cc[VTIME] = 0;
setTermSettings(cin_fileno, &new_settings);
bb_signals(0
+ (1 << SIGINT)
+ (1 << SIGQUIT)
+ (1 << SIGTERM)
, gotsig);
}
do {
file = stdin;
@@ -126,9 +123,8 @@ int more_main(int argc UNUSED_PARAM, char **argv)
for (;;) {
input = getc(cin);
input = tolower(input);
#if !ENABLE_FEATURE_USE_TERMIOS
printf("\033[A"); /* up cursor */
#endif
if (!ENABLE_FEATURE_USE_TERMIOS)
printf("\033[A"); /* cursor up */
/* Erase the last message */
printf("\r%*s\r", len, "");
@@ -150,10 +146,10 @@ int more_main(int argc UNUSED_PARAM, char **argv)
/* The user may have resized the terminal.
* Re-read the dimensions. */
#if ENABLE_FEATURE_USE_TERMIOS
get_terminal_width_height(cin_fileno, &terminal_width, &terminal_height);
terminal_height -= 1;
#endif
if (ENABLE_FEATURE_USE_TERMIOS) {
get_terminal_width_height(cin_fileno, &terminal_width, &terminal_height);
terminal_height -= 1;
}
}
/* Crudely convert tabs into spaces, which are