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Cleaned up revs.1.19-1.21:

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bde 1997-11-20 16:53:23 +00:00
parent f1a47dd32b
commit 7cd32186da
1 changed files with 14 additions and 17 deletions
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31
sys/ddb/db_input.c
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@ -23,7 +23,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: db_input.c,v 1.20 1997/11/07 02:34:50 msmith Exp $
* $Id: db_input.c,v 1.21 1997/11/09 06:30:29 msmith Exp $
*/
/*
@ -57,8 +57,7 @@ static char * db_le; /* one past last character */
/*
* Simple input line history support.
*/
static char * db_lhistory;
static char db_lhistory_buffer[2048];
static char db_lhistory[2048];
static int db_lhistlsize, db_lhistidx, db_lhistcur;
static int db_lhist_nlines;
@ -160,7 +159,7 @@ db_inputchar(c)
escstate = 1;
break;
#if __i386__ && __FreeBSD__
case 591: /* syscons's idea of an arrow key... */
case 591: /* syscons's idea of left arrow key */
#endif
case CTRL('b'):
/* back up one character */
@ -170,7 +169,7 @@ db_inputchar(c)
}
break;
#if __i386__ && __FreeBSD__
case 593: /* syscons's idea of an arrow key... */
case 593: /* syscons's idea of right arrow key */
#endif
case CTRL('f'):
/* forward one character */
@ -230,7 +229,7 @@ db_inputchar(c)
}
break;
#if __i386__ && __FreeBSD__
case 588: /* syscons's idea of an arrow key... */
case 588: /* syscons's idea of up arrow key */
#endif
case CTRL('p'):
/* Make previous history line the active one. */
@ -242,7 +241,7 @@ db_inputchar(c)
}
break;
#if __i386__ && __FreeBSD__
case 596: /* syscons's idea of an arrow key... */
case 596: /* syscons's idea of down arrow key */
#endif
case CTRL('n'):
/* Make next history line the active one. */
@ -311,14 +310,12 @@ db_readline(lstart, lsize)
char * lstart;
int lsize;
{
if (db_lhistory && lsize != db_lhistlsize) {
/* Should not happen, but to be sane, throw history away. */
db_lhistory = NULL;
}
if (db_lhistory == NULL) {
/* Initialize input line history. */
db_lhistory = db_lhistory_buffer;
db_lhist_nlines = (sizeof db_lhistory_buffer) / lsize;
if (lsize != db_lhistlsize) {
/*
* (Re)initialize input line history. Throw away any
* existing history.
*/
db_lhist_nlines = sizeof(db_lhistory) / lsize;
db_lhistlsize = lsize;
db_lhistidx = -1;
}
@ -337,7 +334,7 @@ db_readline(lstart, lsize)
db_printf("\n"); /* synch output position */
*db_le = 0;
if (db_lhistory && (db_le - db_lbuf_start > 1)) {
if (db_le - db_lbuf_start > 1) {
/* Maintain input line history for non-empty lines. */
if (++db_lhistidx == db_lhist_nlines) {
/* Rotate history. */
@ -345,7 +342,7 @@ db_readline(lstart, lsize)
db_lhistlsize * (db_lhist_nlines - 1));
db_lhistidx--;
}
bcopy(lstart, db_lhistory + (db_lhistidx * db_lhistlsize),
bcopy(lstart, db_lhistory + db_lhistidx * db_lhistlsize,
db_lhistlsize);
}