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--- io.c.orig Sat Mar 14 23:22:07 1992
+++ io.c Sun Jan 21 20:46:00 2007
@@ -28,6 +28,17 @@
* need to #define VMS since it is inherent in the compiler.
*/
+#include <signal.h>
+#include <string.h>
+#include <stdlib.h>
+
+static on_alrm();
+static chk_arrow (register char c);
+static tload();
+static char *egetstr (char *name, char **sptr);
+static setuptty();
+
+
/* unless you are on VMS define one of these... */
#define UNIX
/* #define TURBO_C */
@@ -35,8 +46,8 @@
/* then if you defined UNIX you must use one of these ways to do non-blocking
* tty reads
*/
-#define USE_FIONREAD
-/* #define USE_NDELAY */
+/* #define USE_FIONREAD */
+#define USE_NDELAY
/* #define USE_ATTSELECT */
/* #define USE_BSDSELECT */
@@ -56,7 +67,7 @@
#ifdef UNIX
#include <signal.h>
#ifdef USE_TERMIO
-#include <termio.h>
+#include <termios.h>
#endif
#ifdef USE_SGTTY
#include <sgtty.h>
@@ -73,7 +84,7 @@
static int tloaded;
static int ttysetup;
#ifdef USE_TERMIO
-static struct termio orig_tio;
+static struct termios orig_tio;
#endif
#ifdef USE_SGTTY
static struct sgttyb orig_sgtty;
@@ -199,11 +210,19 @@
seqa[0] = c;
if (l > 1) {
extern unsigned alarm();
+ int ch_read, ch_expected, seqa_i;
/* cautiously read rest of arrow sequence */
got_alrm = 0;
(void) signal (SIGALRM, on_alrm);
alarm(2);
- read (0, seqa+1, l-1);
+ /* to make the arrow keys work with FreeBSD ... */
+ ch_expected = l-1;
+ seqa_i = 1;
+ while ((ch_read = read (0, seqa+seqa_i, ch_expected)) > 0 &&
+ ch_read < ch_expected) {
+ ch_expected -= ch_read;
+ seqa_i += ch_read;
+ }
alarm(0);
if (got_alrm)
return (c);
@@ -232,7 +251,7 @@
}
#ifdef USE_TERMIO
- ioctl (0, TCSETA, &orig_tio);
+ tcsetattr(0, TCSANOW, &orig_tio);
#endif
#ifdef USE_SGTTY
ioctl (0, TIOCSETP, &orig_sgtty);
@@ -321,16 +340,16 @@
setuptty()
{
#ifdef USE_TERMIO
- struct termio tio;
+ struct termios tio;
- ioctl (0, TCGETA, &orig_tio);
+ tcgetattr(0, &orig_tio);
tio = orig_tio;
tio.c_iflag &= ~ICRNL; /* leave CR unchanged */
tio.c_oflag &= ~OPOST; /* no output processing */
tio.c_lflag &= ~(ICANON|ECHO); /* no input processing, no echo */
tio.c_cc[VMIN] = 1; /* return after each char */
tio.c_cc[VTIME] = 0; /* no read timeout */
- ioctl (0, TCSETA, &tio);
+ tcsetattr(0, TCSANOW, &tio);
#endif
#ifdef USE_SGTTY
struct sgttyb sg;
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