diff options
Diffstat (limited to 'usr.bin/vi/nvi/v_ulcase.c')
| -rw-r--r-- | usr.bin/vi/nvi/v_ulcase.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/usr.bin/vi/nvi/v_ulcase.c b/usr.bin/vi/nvi/v_ulcase.c deleted file mode 100644 index 12fd1c6626b9..000000000000 --- a/usr.bin/vi/nvi/v_ulcase.c +++ /dev/null @@ -1,159 +0,0 @@ -/*- - * Copyright (c) 1992, 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 - * 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[] = "@(#)v_ulcase.c 8.3 (Berkeley) 12/9/93"; -#endif /* not lint */ - -#include <sys/types.h> - -#include <ctype.h> -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -#include "vi.h" -#include "vcmd.h" - -/* - * v_ulcase -- [count]~ - * Toggle upper & lower case letters. - * - * !!! - * In historic vi, the count was ignored. It would have been better - * if there had been an associated motion, but it's too late to change - * it now. - */ -int -v_ulcase(sp, ep, vp, fm, tm, rp) - SCR *sp; - EXF *ep; - VICMDARG *vp; - MARK *fm, *tm, *rp; -{ - recno_t lno; - size_t blen, lcnt, len; - u_long cnt; - int ch, change, rval; - char *bp, *p; - - /* Figure out what memory to use. */ - GET_SPACE_RET(sp, bp, blen, 256); - - /* - * !!! - * Historic vi didn't permit ~ to cross newline boundaries. - * I can think of no reason why it shouldn't, which at least - * lets you auto-repeat through a paragraph. - */ - rval = 0; - for (change = -1, cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt;) { - /* Get the line; EOF is an infinite sink. */ - if ((p = file_gline(sp, ep, fm->lno, &len)) == NULL) { - if (file_lline(sp, ep, &lno)) - return (1); - if (lno >= fm->lno) { - GETLINE_ERR(sp, fm->lno); - rval = 1; - break; - } - if (change == -1) { - v_eof(sp, ep, NULL); - return (1); - } - break; - } - - /* Set current line number. */ - lno = fm->lno; - - /* Empty lines just decrement the count. */ - if (len == 0) { - --cnt; - ++fm->lno; - fm->cno = 0; - change = 0; - continue; - } - - /* Get a copy of the line. */ - ADD_SPACE_RET(sp, bp, blen, len); - memmove(bp, p, len); - - /* Set starting pointer. */ - if (change == -1) - p = bp + fm->cno; - else - p = bp; - - /* - * Figure out how many characters get changed in this - * line. Set the final cursor column. - */ - if (fm->cno + cnt >= len) { - lcnt = len - fm->cno; - ++fm->lno; - fm->cno = 0; - } else - fm->cno += lcnt = cnt; - cnt -= lcnt; - - /* Change the line. */ - for (change = 0; lcnt--; ++p) { - ch = *(u_char *)p; - if (islower(ch)) { - *p = toupper(ch); - change = 1; - } else if (isupper(ch)) { - *p = tolower(ch); - change = 1; - } - } - - /* Update the line if necessary. */ - if (change && file_sline(sp, ep, lno, bp, len)) { - rval = 1; - break; - } - } - - /* If changed lines, could be on an illegal line. */ - if (fm->lno != lno && file_gline(sp, ep, fm->lno, &len) == NULL) { - --fm->lno; - fm->cno = len ? len - 1 : 0; - } - *rp = *fm; - - FREE_SPACE(sp, bp, blen); - return (rval); -} |