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-rw-r--r--lib/libcurses/addbytes.c222
1 files changed, 116 insertions, 106 deletions
diff --git a/lib/libcurses/addbytes.c b/lib/libcurses/addbytes.c
index 3d47b326acf4..dc754830636d 100644
--- a/lib/libcurses/addbytes.c
+++ b/lib/libcurses/addbytes.c
@@ -1,6 +1,6 @@
/*
- * Copyright (c) 1987 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1987, 1993
+ * The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -32,117 +32,127 @@
*/
#ifndef lint
-static char sccsid[] = "@(#)addbytes.c 5.4 (Berkeley) 6/1/90";
-#endif /* not lint */
+static char sccsid[] = "@(#)addbytes.c 8.2 (Berkeley) 1/9/94";
+#endif /* not lint */
-# include "curses.ext"
+#include <curses.h>
-waddbytes(win, bytes, count)
-reg WINDOW *win;
-reg char *bytes;
-int count;
-{
- chtype c;
- reg int i;
-
- for (i = 0; i < count; i++) {
- c = (unsigned char) *bytes++;
- if (_waddbytes(win, &c, 1) == ERR)
- return ERR;
- }
- return OK;
-}
+#define SYNCH_IN {y = win->cury; x = win->curx;}
+#define SYNCH_OUT {win->cury = y; win->curx = x;}
/*
- * This routine adds the character to the current position
- *
+ * waddbytes --
+ * Add the character to the current position in the given window.
*/
-_waddbytes(win, bytes, count)
-reg WINDOW *win;
-reg chtype *bytes;
-reg int count;
+int
+__waddbytes(win, bytes, count, so)
+ register WINDOW *win;
+ register const char *bytes;
+ register int count;
+ int so;
{
-#define SYNCH_OUT() {win->_cury = y; win->_curx = x;}
-#define SYNCH_IN() {y = win->_cury; x = win->_curx;}
- reg int x, y;
- reg int newx;
+ static char blanks[] = " ";
+ register int c, newx, x, y;
+ char stand;
+ __LINE *lp;
- SYNCH_IN();
- while (count--) {
- register chtype c;
- static chtype blanks[] = {' ',' ',' ',' ',' ',' ',' ',' '};
+ SYNCH_IN;
- c = *bytes++;
- switch (c) {
- case '\t':
- SYNCH_OUT();
- if (_waddbytes(win, blanks, 8-(x%8)) == ERR) {
- return ERR;
- }
- SYNCH_IN();
- break;
+#ifdef DEBUG
+ __CTRACE("ADDBYTES('%c') at (%d, %d)\n", c, y, x);
+#endif
+ while (count--) {
+ c = *bytes++;
+ switch (c) {
+ case '\t':
+ SYNCH_OUT;
+ if (waddbytes(win, blanks, 8 - (x % 8)) == ERR)
+ return (ERR);
+ SYNCH_IN;
+ break;
- default:
-# ifdef FULLDEBUG
- fprintf(outf, "ADDBYTES: 1: y = %d, x = %d, firstch = %d, lastch = %d\n", y, x, win->_firstch[y], win->_lastch[y]);
-# endif
- if (win->_flags & _STANDOUT)
- c |= _STANDOUT;
- {
-# ifdef FULLDEBUG
- fprintf(outf, "ADDBYTES(%0.2o, %d, %d)\n", win, y, x);
-# endif
- if (win->_y[y][x] != c) {
- newx = x + win->_ch_off;
- if (win->_firstch[y] == _NOCHANGE) {
- win->_firstch[y] =
- win->_lastch[y] = newx;
- } else if (newx < win->_firstch[y])
- win->_firstch[y] = newx;
- else if (newx > win->_lastch[y])
- win->_lastch[y] = newx;
-# ifdef FULLDEBUG
- fprintf(outf, "ADDBYTES: change gives f/l: %d/%d [%d/%d]\n",
- win->_firstch[y], win->_lastch[y],
- win->_firstch[y] - win->_ch_off,
- win->_lastch[y] - win->_ch_off);
-# endif
- }
- }
- win->_y[y][x++] = c;
- if (x >= win->_maxx) {
- x = 0;
- newline:
- if (++y >= win->_maxy)
- if (win->_scroll) {
- --y;
- SYNCH_OUT();
- scroll(win);
- SYNCH_IN();
- }
- else
- return ERR;
- }
-# ifdef FULLDEBUG
- fprintf(outf, "ADDBYTES: 2: y = %d, x = %d, firstch = %d, lastch = %d\n", y, x, win->_firstch[y], win->_lastch[y]);
-# endif
- break;
- case '\n':
- SYNCH_OUT();
- wclrtoeol(win);
- SYNCH_IN();
- if (!NONL)
- x = 0;
- goto newline;
- case '\r':
- x = 0;
- break;
- case '\b':
- if (--x < 0)
- x = 0;
- break;
- }
- }
- SYNCH_OUT();
- return OK;
+ default:
+#ifdef DEBUG
+ __CTRACE("ADDBYTES(%0.2o, %d, %d)\n", win, y, x);
+#endif
+
+ lp = win->lines[y];
+ if (lp->flags & __ISPASTEOL) {
+ lp->flags &= ~__ISPASTEOL;
+newline: if (y == win->maxy - 1) {
+ if (win->flags & __SCROLLOK) {
+ SYNCH_OUT;
+ scroll(win);
+ SYNCH_IN;
+ lp = win->lines[y];
+ x = 0;
+ }
+ else
+ return ERR;
+ } else {
+ y++;
+ lp = win->lines[y];
+ x = 0;
+ }
+ if (c == '\n')
+ break;
+ }
+
+ stand = '\0';
+ if (win->flags & __WSTANDOUT || so)
+ stand |= __STANDOUT;
+#ifdef DEBUG
+ __CTRACE("ADDBYTES: 1: y = %d, x = %d, firstch = %d, lastch = %d\n",
+ y, x, *win->lines[y]->firstchp, *win->lines[y]->lastchp);
+#endif
+ if (lp->line[x].ch != c ||
+ !(lp->line[x].attr & stand)) {
+ newx = x + win->ch_off;
+ if (!(lp->flags & __ISDIRTY)) {
+ lp->flags |= __ISDIRTY;
+ *lp->firstchp = *lp->lastchp = newx;
+ }
+ else if (newx < *lp->firstchp)
+ *lp->firstchp = newx;
+ else if (newx > *lp->lastchp)
+ *lp->lastchp = newx;
+#ifdef DEBUG
+ __CTRACE("ADDBYTES: change gives f/l: %d/%d [%d/%d]\n",
+ *lp->firstchp, *lp->lastchp,
+ *lp->firstchp - win->ch_off,
+ *lp->lastchp - win->ch_off);
+#endif
+ }
+ lp->line[x].ch = c;
+ if (stand)
+ lp->line[x].attr |= __STANDOUT;
+ else
+ lp->line[x].attr &= ~__STANDOUT;
+ if (x == win->maxx - 1)
+ lp->flags |= __ISPASTEOL;
+ else
+ x++;
+#ifdef DEBUG
+ __CTRACE("ADDBYTES: 2: y = %d, x = %d, firstch = %d, lastch = %d\n",
+ y, x, *win->lines[y]->firstchp, *win->lines[y]->lastchp);
+#endif
+ break;
+ case '\n':
+ SYNCH_OUT;
+ wclrtoeol(win);
+ SYNCH_IN;
+ if (!NONL)
+ x = 0;
+ goto newline;
+ case '\r':
+ x = 0;
+ break;
+ case '\b':
+ if (--x < 0)
+ x = 0;
+ break;
+ }
+ }
+ SYNCH_OUT;
+ return (OK);
}
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