diff options
Diffstat (limited to 'usr.bin/vi/vi/v_init.c')
| -rw-r--r-- | usr.bin/vi/vi/v_init.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/usr.bin/vi/vi/v_init.c b/usr.bin/vi/vi/v_init.c deleted file mode 100644 index 069733ce1b23..000000000000 --- a/usr.bin/vi/vi/v_init.c +++ /dev/null @@ -1,256 +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[] = "@(#)v_init.c 8.26 (Berkeley) 8/8/94"; -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/queue.h> -#include <sys/time.h> - -#include <bitstring.h> -#include <errno.h> -#include <limits.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <termios.h> - -#include "compat.h" -#include <db.h> -#include <regex.h> - -#include "vi.h" -#include "vcmd.h" -#include "excmd.h" - -static int v_comment __P((SCR *, EXF *)); - -/* - * v_screen_copy -- - * Copy vi screen. - */ -int -v_screen_copy(orig, sp) - SCR *orig, *sp; -{ - VI_PRIVATE *ovip, *nvip; - - /* Create the private vi structure. */ - CALLOC_RET(orig, nvip, VI_PRIVATE *, 1, sizeof(VI_PRIVATE)); - sp->vi_private = nvip; - - if (orig == NULL) { - nvip->inc_lastch = '+'; - nvip->inc_lastval = 1; - nvip->csearchdir = CNOTSET; - } else { - ovip = VIP(orig); - - /* User can replay the last input, but nothing else. */ - if (ovip->rep_len != 0) { - MALLOC(orig, nvip->rep, char *, ovip->rep_len); - if (nvip->rep != NULL) { - memmove(nvip->rep, ovip->rep, ovip->rep_len); - nvip->rep_len = ovip->rep_len; - } - } - - nvip->inc_lastch = ovip->inc_lastch; - nvip->inc_lastval = ovip->inc_lastval; - - if (ovip->ps != NULL && - (nvip->ps = strdup(ovip->ps)) == NULL) { - msgq(sp, M_SYSERR, NULL); - return (1); - } - - nvip->lastckey = ovip->lastckey; - nvip->csearchdir = ovip->csearchdir; - } - return (0); -} - -/* - * v_screen_end -- - * End a vi screen. - */ -int -v_screen_end(sp) - SCR *sp; -{ - VI_PRIVATE *vip; - - vip = VIP(sp); - - if (vip->rep != NULL) - free(vip->rep); - - if (vip->ps != NULL) - free(vip->ps); - - /* Free private memory. */ - FREE(vip, sizeof(VI_PRIVATE)); - sp->vi_private = NULL; - - return (0); -} - -/* - * v_init -- - * Initialize vi. - */ -int -v_init(sp, ep) - SCR *sp; - EXF *ep; -{ - size_t len; - - /* - * The default address is line 1, column 0. 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 (sp->lno != 1 || sp->cno != 0) { - 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; - - if (F_ISSET(sp->frp, FR_FNONBLANK)) { - sp->cno = 0; - if (nonblank(sp, ep, sp->lno, &sp->cno)) - return (1); - - /* Reset strange attraction. */ - sp->rcm = 0; - sp->rcm_last = 0; - } - } else { - sp->lno = 1; - sp->cno = 0; - - if (O_ISSET(sp, O_COMMENT) && v_comment(sp, ep)) - return (1); - - /* Vi always starts up on the first non-<blank>. */ - if (nonblank(sp, ep, sp->lno, &sp->cno)) - return (1); - - /* Reset strange attraction. */ - sp->rcm = 0; - sp->rcm_last = 0; - } - - /* Make ex display to a special function. */ - if ((sp->stdfp = fwopen(sp, sp->s_ex_write)) == NULL) { - msgq(sp, M_SYSERR, "ex output"); - return (1); - } -#ifdef MAKE_EX_OUTPUT_LINE_BUFFERED - (void)setvbuf(sp->stdfp, NULL, _IOLBF, 0); -#endif - - /* Display the status line. */ - return (msg_status(sp, ep, sp->lno, 0)); -} - -/* - * v_end -- - * End vi session. - */ -int -v_end(sp) - SCR *sp; -{ - /* Close down ex output file descriptor. */ - (void)fclose(sp->stdfp); - - return (0); -} - -/* - * v_optchange -- - * Handle change of options for vi. - */ -int -v_optchange(sp, opt) - SCR *sp; - int opt; -{ - switch (opt) { - case O_PARAGRAPHS: - case O_SECTIONS: - return (v_buildps(sp)); - } - return (0); -} - -/* - * v_comment -- - * Skip the first comment. - */ -static int -v_comment(sp, ep) - SCR *sp; - EXF *ep; -{ - recno_t lno; - size_t len; - char *p; - - for (lno = 1; - (p = file_gline(sp, ep, lno, &len)) != NULL && len == 0; ++lno); - if (p == NULL || len <= 1 || memcmp(p, "/*", 2)) - return (0); - do { - for (; len; --len, ++p) - if (p[0] == '*' && len > 1 && p[1] == '/') { - sp->lno = lno; - return (0); - } - } while ((p = file_gline(sp, ep, ++lno, &len)) != NULL); - return (0); -} |