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authorEric Andersen <andersen@codepoet.org>2001-01-26 01:52:43 +0000
committerEric Andersen <andersen@codepoet.org>2001-01-26 01:52:43 +0000
commit5307eca7de2caf1d4efb8ee3e802a69a1a076376 (patch)
tree2886cc812856a1f2fa060cdaaf224810e99e3ff0 /coreutils
parent114ad9c753aeefac32a2d53b861790a4ecd5da30 (diff)
downloadbusybox-5307eca7de2caf1d4efb8ee3e802a69a1a076376.tar.gz
Make ls understand termios.
-Erik
Diffstat (limited to 'coreutils')
-rw-r--r--coreutils/ls.c61
1 files changed, 60 insertions, 1 deletions
diff --git a/coreutils/ls.c b/coreutils/ls.c
index 64e5bf828..215c58bb6 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -60,6 +60,10 @@ static const int COLUMN_GAP = 2; /* includes the file type char, if present */
#endif
#include <string.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+
#ifndef NAJOR
#define MAJOR(dev) (((dev)>>8)&0xff)
#define MINOR(dev) ((dev)&0xff)
@@ -181,6 +185,31 @@ static int status = EXIT_SUCCESS;
unsigned long ls_disp_hr = KILOBYTE;
#endif
+/* sparc termios is broken -- use old termio handling. */
+#ifdef BB_FEATURE_USE_TERMIOS
+# if #cpu(sparc)
+# include <termio.h>
+# define termios termio
+# define setTermSettings(fd,argp) ioctl(fd,TCSETAF,argp)
+# define getTermSettings(fd,argp) ioctl(fd,TCGETA,argp)
+# else
+# include <termios.h>
+# define setTermSettings(fd,argp) tcsetattr(fd,TCSANOW,argp)
+# define getTermSettings(fd,argp) tcgetattr(fd, argp);
+# endif
+
+FILE *cin;
+
+static struct termios initial_settings, new_settings;
+
+static void gotsig(int sig)
+{
+ setTermSettings(fileno(cin), &initial_settings);
+ putchar('\n');
+ exit(EXIT_FAILURE);
+}
+#endif /* BB_FEATURE_USE_TERMIOS */
+
static int my_stat(struct dnode *cur)
{
#ifdef BB_FEATURE_LS_FOLLOWLINKS
@@ -707,6 +736,9 @@ extern int ls_main(int argc, char **argv)
int opt;
int oi, ac;
char **av;
+#if defined BB_FEATURE_AUTOWIDTH && defined BB_FEATURE_USE_TERMIOS
+ struct winsize win = { 0, 0, 0, 0 };
+#endif
disp_opts= DISP_NORMAL;
style_fmt= STYLE_AUTO;
@@ -719,10 +751,34 @@ extern int ls_main(int argc, char **argv)
time_fmt= TIME_MOD;
#endif
#ifdef BB_FEATURE_AUTOWIDTH
+#ifdef BB_FEATURE_USE_TERMIOS
+ cin = fopen("/dev/tty", "r");
+ if (!cin)
+ cin = fopen("/dev/console", "r");
+ getTermSettings(fileno(cin), &initial_settings);
+ new_settings = initial_settings;
+ new_settings.c_cc[VMIN] = 1;
+ new_settings.c_cc[VTIME] = 0;
+ new_settings.c_lflag &= ~ICANON;
+ new_settings.c_lflag &= ~ECHO;
+ setTermSettings(fileno(cin), &new_settings);
+
+ ioctl(fileno(stdout), TIOCGWINSZ, &win);
+ if (win.ws_row > 4)
+ column_width = win.ws_row - 2;
+ if (win.ws_col > 0)
+ terminal_width = win.ws_col - 1;
+
+ (void) signal(SIGINT, gotsig);
+ (void) signal(SIGQUIT, gotsig);
+ (void) signal(SIGTERM, gotsig);
+#else
+
terminal_width = TERMINAL_WIDTH;
column_width = COLUMN_WIDTH;
- tabstops = 8;
#endif
+#endif
+ tabstops = 8;
nfiles=0;
/* process options */
@@ -908,6 +964,9 @@ extern int ls_main(int argc, char **argv)
}
}
+#ifdef BB_FEATURE_USE_TERMIOS
+ gotsig(0);
+#endif
return(status);
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