1 /*- 2 * Copyright (c) 1992, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 1992, 1993, 1994, 1995, 1996 5 * Keith Bostic. All rights reserved. 6 * 7 * See the LICENSE file for redistribution information. 8 */ 9 10 #include "config.h" 11 12 #ifndef lint 13 static const char sccsid[] = "@(#)v_init.c 10.8 (Berkeley) 3/30/96"; 14 #endif /* not lint */ 15 16 #include <sys/types.h> 17 #include <sys/queue.h> 18 #include <sys/time.h> 19 20 #include <bitstring.h> 21 #include <errno.h> 22 #include <limits.h> 23 #include <stdio.h> 24 #include <stdlib.h> 25 #include <string.h> 26 27 #include "../common/common.h" 28 #include "vi.h" 29 30 /* 31 * v_screen_copy -- 32 * Copy vi screen. 33 * 34 * PUBLIC: int v_screen_copy __P((SCR *, SCR *)); 35 */ 36 int 37 v_screen_copy(orig, sp) 38 SCR *orig, *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(sp) 82 SCR *sp; 83 { 84 VI_PRIVATE *vip; 85 86 if ((vip = VIP(sp)) == NULL) 87 return (0); 88 if (vip->keyw != NULL) 89 free(vip->keyw); 90 if (vip->rep != NULL) 91 free(vip->rep); 92 if (vip->ps != NULL) 93 free(vip->ps); 94 95 if (HMAP != NULL) 96 free(HMAP); 97 98 free(vip); 99 sp->vi_private = NULL; 100 101 return (0); 102 } 103 104 /* 105 * v_optchange -- 106 * Handle change of options for vi. 107 * 108 * PUBLIC: int v_optchange __P((SCR *, int, char *, u_long *)); 109 */ 110 int 111 v_optchange(sp, offset, str, valp) 112 SCR *sp; 113 int offset; 114 char *str; 115 u_long *valp; 116 { 117 switch (offset) { 118 case O_PARAGRAPHS: 119 return (v_buildps(sp, str, O_STR(sp, O_SECTIONS))); 120 case O_SECTIONS: 121 return (v_buildps(sp, O_STR(sp, O_PARAGRAPHS), str)); 122 case O_WINDOW: 123 return (vs_crel(sp, *valp)); 124 } 125 return (0); 126 } 127