diff options
Diffstat (limited to 'usr.bin/vi/nex/ex_init.c')
| -rw-r--r-- | usr.bin/vi/nex/ex_init.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/usr.bin/vi/nex/ex_init.c b/usr.bin/vi/nex/ex_init.c deleted file mode 100644 index 26acf2f44c926..0000000000000 --- a/usr.bin/vi/nex/ex_init.c +++ /dev/null @@ -1,189 +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[] = "@(#)ex_init.c 8.11 (Berkeley) 1/9/94"; -#endif /* not lint */ - -#include <sys/types.h> - -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -#include "vi.h" -#include "excmd.h" -#include "tag.h" - -/* - * ex_screen_copy -- - * Copy ex screen. - */ -int -ex_screen_copy(orig, sp) - SCR *orig, *sp; -{ - EX_PRIVATE *oexp, *nexp; - - /* Create the private ex structure. */ - CALLOC_RET(orig, nexp, EX_PRIVATE *, 1, sizeof(EX_PRIVATE)); - sp->ex_private = nexp; - - /* Initialize queues. */ - TAILQ_INIT(&nexp->tagq); - TAILQ_INIT(&nexp->tagfq); - CIRCLEQ_INIT(&nexp->rangeq); - - if (orig == NULL) { - nexp->at_lbuf_set = 0; - } else { - oexp = EXP(orig); - - nexp->at_lbuf = oexp->at_lbuf; - nexp->at_lbuf_set = oexp->at_lbuf_set; - - if (oexp->lastbcomm != NULL && - (nexp->lastbcomm = strdup(oexp->lastbcomm)) == NULL) { - msgq(sp, M_SYSERR, NULL); - return(1); - } - - if (ex_tagcopy(orig, sp)) - return (1); - } - - nexp->lastcmd = &cmds[C_PRINT]; - return (0); -} - -/* - * ex_screen_end -- - * End a vi screen. - */ -int -ex_screen_end(sp) - SCR *sp; -{ - EX_PRIVATE *exp; - int rval; - - rval = 0; - exp = EXP(sp); - - if (argv_free(sp)) - rval = 1; - - if (exp->ibp != NULL) - FREE(exp->ibp, exp->ibp_len); - - if (exp->lastbcomm != NULL) - FREE(exp->lastbcomm, strlen(exp->lastbcomm) + 1); - - /* Free private memory. */ - FREE(exp, sizeof(EX_PRIVATE)); - sp->ex_private = NULL; - - return (rval); -} - -/* - * ex_init -- - * Initialize ex. - */ -int -ex_init(sp, ep) - SCR *sp; - EXF *ep; -{ - size_t len; - - /* - * The default address is the last line of the file. If the address - * set bit is on for this file, load the address, ensuring that it - * exists. - */ - if (F_ISSET(sp->frp, FR_CURSORSET)) { - sp->lno = sp->frp->lno; - sp->cno = sp->frp->cno; - - if (file_gline(sp, ep, sp->lno, &len) == NULL) { - if (file_lline(sp, ep, &sp->lno)) - return (1); - if (sp->lno == 0) - sp->lno = 1; - sp->cno = 0; - } else if (sp->cno >= len) - sp->cno = 0; - } else { - if (file_lline(sp, ep, &sp->lno)) - return (1); - if (sp->lno == 0) - sp->lno = 1; - sp->cno = 0; - } - - /* Display the status line. */ - return (status(sp, ep, sp->lno, 0)); -} - -/* - * ex_end -- - * End ex session. - */ -int -ex_end(sp) - SCR *sp; -{ - /* Save the cursor location. */ - sp->frp->lno = sp->lno; - sp->frp->cno = sp->cno; - F_SET(sp->frp, FR_CURSORSET); - - return (0); -} - -/* - * ex_optchange -- - * Handle change of options for vi. - */ -int -ex_optchange(sp, opt) - SCR *sp; - int opt; -{ - switch (opt) { - case O_TAGS: - return (ex_tagalloc(sp, O_STR(sp, O_TAGS))); - } - return (0); -} |