1 /* $NetBSD: v_init.c,v 1.2 2013/11/22 15:52:06 christos Exp $ */ 2 /*- 3 * Copyright (c) 1992, 1993, 1994 4 * The Regents of the University of California. All rights reserved. 5 * Copyright (c) 1992, 1993, 1994, 1995, 1996 6 * Keith Bostic. All rights reserved. 7 * 8 * See the LICENSE file for redistribution information. 9 */ 10 11 #include "config.h" 12 13 #ifndef lint 14 static const char sccsid[] = "Id: v_init.c,v 10.9 2001/06/25 15:19:31 skimo Exp (Berkeley) Date: 2001/06/25 15:19:31 "; 15 #endif /* not lint */ 16 17 #include <sys/types.h> 18 #include <sys/queue.h> 19 #include <sys/time.h> 20 21 #include <bitstring.h> 22 #include <errno.h> 23 #include <limits.h> 24 #include <stdio.h> 25 #include <stdlib.h> 26 #include <string.h> 27 28 #include "../common/common.h" 29 #include "vi.h" 30 31 /* 32 * v_screen_copy -- 33 * Copy vi screen. 34 * 35 * PUBLIC: int v_screen_copy __P((SCR *, SCR *)); 36 */ 37 int 38 v_screen_copy(SCR *orig, SCR *sp) 39 { 40 VI_PRIVATE *ovip, *nvip; 41 42 /* Create the private vi structure. */ 43 CALLOC_RET(orig, nvip, VI_PRIVATE *, 1, sizeof(VI_PRIVATE)); 44 sp->vi_private = nvip; 45 46 /* Invalidate the line size cache. */ 47 VI_SCR_CFLUSH(nvip); 48 49 if (orig == NULL) { 50 nvip->csearchdir = CNOTSET; 51 } else { 52 ovip = VIP(orig); 53 54 /* User can replay the last input, but nothing else. */ 55 if (ovip->rep_len != 0) { 56 MALLOC_RET(orig, nvip->rep, EVENT *, ovip->rep_len); 57 memmove(nvip->rep, ovip->rep, ovip->rep_len); 58 nvip->rep_len = ovip->rep_len; 59 } 60 61 /* Copy the paragraph/section information. */ 62 if (ovip->ps != NULL && (nvip->ps = 63 v_strdup(sp, ovip->ps, strlen(ovip->ps))) == NULL) 64 return (1); 65 66 nvip->lastckey = ovip->lastckey; 67 nvip->csearchdir = ovip->csearchdir; 68 69 nvip->srows = ovip->srows; 70 } 71 return (0); 72 } 73 74 /* 75 * v_screen_end -- 76 * End a vi screen. 77 * 78 * PUBLIC: int v_screen_end __P((SCR *)); 79 */ 80 int 81 v_screen_end(SCR *sp) 82 { 83 VI_PRIVATE *vip; 84 85 if ((vip = VIP(sp)) == NULL) 86 return (0); 87 if (vip->keyw != NULL) 88 free(vip->keyw); 89 if (vip->rep != NULL) 90 free(vip->rep); 91 if (vip->ps != NULL) 92 free(vip->ps); 93 94 if (HMAP != NULL) 95 free(HMAP); 96 97 free(vip); 98 sp->vi_private = NULL; 99 100 return (0); 101 } 102 103 /* 104 * v_optchange -- 105 * Handle change of options for vi. 106 * 107 * PUBLIC: int v_optchange __P((SCR *, int, const char *, u_long *)); 108 */ 109 int 110 v_optchange(SCR *sp, int offset, const char *str, u_long *valp) 111 { 112 switch (offset) { 113 case O_PARAGRAPHS: 114 return (v_buildps(sp, str, O_STR(sp, O_SECTIONS))); 115 case O_SECTIONS: 116 return (v_buildps(sp, O_STR(sp, O_PARAGRAPHS), str)); 117 case O_WINDOW: 118 return (vs_crel(sp, *valp)); 119 } 120 return (0); 121 } 122