diff options
Diffstat (limited to 'lib/libcurses/tscroll.c')
-rw-r--r-- | lib/libcurses/tscroll.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/lib/libcurses/tscroll.c b/lib/libcurses/tscroll.c deleted file mode 100644 index 359b3969c63..00000000000 --- a/lib/libcurses/tscroll.c +++ /dev/null @@ -1,139 +0,0 @@ -/*- - * Copyright (c) 1992, 1993, 1994 - * 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 - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)tscroll.c 8.4 (Berkeley) 7/27/94"; -#endif /* not lint */ - -#include "curses.h" - -#define MAXRETURNSIZE 64 - -/* - * Routine to perform scrolling. Derived from tgoto.c in tercamp(3) - * library. Cap is a string containing printf type escapes to allow - * scrolling. The following escapes are defined for substituting n: - * - * %d as in printf - * %2 like %2d - * %3 like %3d - * %. gives %c hacking special case characters - * %+x like %c but adding x first - * - * The codes below affect the state but don't use up a value. - * - * %>xy if value > x add y - * %i increments n - * %% gives % - * %B BCD (2 decimal digits encoded in one byte) - * %D Delta Data (backwards bcd) - * - * all other characters are ``self-inserting''. - */ -char * -__tscroll(cap, n1, n2) - const char *cap; - int n1, n2; -{ - static char result[MAXRETURNSIZE]; - int c, n; - char *dp; - - if (cap == NULL) - goto err; - for (n = n1, dp = result; (c = *cap++) != '\0';) { - if (c != '%') { - *dp++ = c; - continue; - } - switch (c = *cap++) { - case 'n': - n ^= 0140; - continue; - case 'd': - if (n < 10) - goto one; - if (n < 100) - goto two; - /* FALLTHROUGH */ - case '3': - *dp++ = (n / 100) | '0'; - n %= 100; - /* FALLTHROUGH */ - case '2': -two: *dp++ = n / 10 | '0'; -one: *dp++ = n % 10 | '0'; - n = n2; - continue; - case '>': - if (n > *cap++) - n += *cap++; - else - cap++; - continue; - case '+': - n += *cap++; - /* FALLTHROUGH */ - case '.': - *dp++ = n; - continue; - case 'i': - n++; - continue; - case '%': - *dp++ = c; - continue; - case 'B': - n = (n / 10 << 4) + n % 10; - continue; - case 'D': - n = n - 2 * (n % 16); - continue; - /* - * XXX - * System V terminfo files have lots of extra gunk. - * The only one we've seen in scrolling strings is - * %pN, and it seems to work okay if we ignore it. - */ - case 'p': - ++cap; - continue; - default: - goto err; - } - } - *dp = '\0'; - return (result); - -err: return("curses: __tscroll failed"); -} |