diff options
Diffstat (limited to 'usr.bin/vi/ex/ex_at.c')
| -rw-r--r-- | usr.bin/vi/ex/ex_at.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/usr.bin/vi/ex/ex_at.c b/usr.bin/vi/ex/ex_at.c new file mode 100644 index 000000000000..9b3da3fdb1cb --- /dev/null +++ b/usr.bin/vi/ex/ex_at.c @@ -0,0 +1,109 @@ +/*- + * 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[] = "@(#)ex_at.c 8.18 (Berkeley) 3/14/94"; +#endif /* not lint */ + +#include <sys/types.h> +#include <queue.h> +#include <sys/time.h> + +#include <bitstring.h> +#include <ctype.h> +#include <limits.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <termios.h> + +#include <db.h> +#include <regex.h> + +#include "vi.h" +#include "excmd.h" + +/* + * ex_at -- :@[@ | buffer] + * :*[* | buffer] + * + * Execute the contents of the buffer. + */ +int +ex_at(sp, ep, cmdp) + SCR *sp; + EXF *ep; + EXCMDARG *cmdp; +{ + CB *cbp; + EX_PRIVATE *exp; + TEXT *tp; + int name, lmode; + + exp = EXP(sp); + + /* Historically, @@ and ** execute the last buffer. */ + name = cmdp->buffer; + if (name == cmdp->cmd->name[0]) { + if (!exp->at_lbuf_set) { + msgq(sp, M_ERR, "No previous buffer to execute."); + return (1); + } + name = exp->at_lbuf; + } + + CBNAME(sp, cbp, name); + if (cbp == NULL) { + msgq(sp, M_ERR, "Buffer %s is empty.", charname(sp, name)); + return (1); + } + + /* Save for reuse. */ + exp->at_lbuf = name; + exp->at_lbuf_set = 1; + + /* + * If the buffer was cut in line mode or had portions of more + * than one line, <newlines> are appended to each line as it + * is pushed onto the stack. + */ + tp = cbp->textq.cqh_last; + lmode = F_ISSET(cbp, CB_LMODE) || tp->q.cqe_prev != (void *)&cbp->textq; + for (; tp != (void *)&cbp->textq; tp = tp->q.cqe_prev) + if ((lmode || tp->q.cqe_prev != (void *)&cbp->textq) && + term_push(sp, "\n", 1, 0, 0) || + term_push(sp, tp->lb, tp->len, 0, CH_QUOTED)) + return (1); + return (0); +} |