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/* $OpenBSD: v_init.c,v 1.8 2017/04/18 01:45:35 deraadt Exp $ */ |
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/*- |
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* Copyright (c) 1992, 1993, 1994 |
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* The Regents of the University of California. All rights reserved. |
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* Copyright (c) 1992, 1993, 1994, 1995, 1996 |
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* Keith Bostic. All rights reserved. |
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* |
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* See the LICENSE file for redistribution information. |
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*/ |
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#include "config.h" |
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#include <sys/types.h> |
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#include <sys/queue.h> |
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#include <sys/time.h> |
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#include <bitstring.h> |
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#include <errno.h> |
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#include <limits.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "../common/common.h" |
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#include "vi.h" |
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/* |
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* v_screen_copy -- |
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* Copy vi screen. |
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* |
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* PUBLIC: int v_screen_copy(SCR *, SCR *); |
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*/ |
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int |
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v_screen_copy(SCR *orig, SCR *sp) |
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{ |
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VI_PRIVATE *ovip, *nvip; |
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/* Create the private vi structure. */ |
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CALLOC_RET(orig, nvip, 1, sizeof(VI_PRIVATE)); |
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sp->vi_private = nvip; |
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/* Invalidate the line size cache. */ |
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VI_SCR_CFLUSH(nvip); |
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if (orig == NULL) { |
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nvip->csearchdir = CNOTSET; |
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} else { |
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ovip = VIP(orig); |
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/* User can replay the last input, but nothing else. */ |
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if (ovip->rep_len != 0) { |
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MALLOC_RET(orig, nvip->rep, ovip->rep_len); |
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memmove(nvip->rep, ovip->rep, ovip->rep_len); |
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nvip->rep_len = ovip->rep_len; |
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} |
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/* Copy the paragraph/section information. */ |
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if (ovip->ps != NULL && (nvip->ps = |
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v_strdup(sp, ovip->ps, strlen(ovip->ps))) == NULL) |
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return (1); |
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nvip->lastckey = ovip->lastckey; |
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nvip->csearchdir = ovip->csearchdir; |
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nvip->srows = ovip->srows; |
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} |
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return (0); |
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} |
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/* |
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* v_screen_end -- |
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* End a vi screen. |
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* |
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* PUBLIC: int v_screen_end(SCR *); |
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*/ |
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int |
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v_screen_end(SCR *sp) |
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{ |
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VI_PRIVATE *vip; |
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if ((vip = VIP(sp)) == NULL) |
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return (0); |
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free(vip->keyw); |
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free(vip->rep); |
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free(vip->ps); |
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free(HMAP); |
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free(vip); |
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sp->vi_private = NULL; |
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return (0); |
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} |
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/* |
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* v_optchange -- |
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* Handle change of options for vi. |
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* |
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* PUBLIC: int v_optchange(SCR *, int, char *, u_long *); |
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*/ |
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int |
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v_optchange(SCR *sp, int offset, char *str, u_long *valp) |
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{ |
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switch (offset) { |
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case O_PARAGRAPHS: |
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return (v_buildps(sp, str, O_STR(sp, O_SECTIONS))); |
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case O_SECTIONS: |
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return (v_buildps(sp, O_STR(sp, O_PARAGRAPHS), str)); |
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case O_WINDOW: |
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return (vs_crel(sp, *valp)); |
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} |
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return (0); |
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} |