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[] = "$Id: v_init.c,v 10.10 2012/02/11 00:33:46 zy Exp $"; 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(SCR *, SCR *); 35 */ 36 int 37 v_screen_copy(SCR *orig, SCR *sp) 38 { 39 VI_PRIVATE *ovip, *nvip; 40 41 /* Create the private vi structure. */ 42 CALLOC_RET(orig, nvip, VI_PRIVATE *, 1, sizeof(VI_PRIVATE)); 43 sp->vi_private = nvip; 44 45 /* Invalidate the line size cache. */ 46 VI_SCR_CFLUSH(nvip); 47 48 if (orig == NULL) { 49 nvip->csearchdir = CNOTSET; 50 } else { 51 ovip = VIP(orig); 52 53 /* User can replay the last input, but nothing else. */ 54 if (ovip->rep_len != 0) { 55 MALLOC_RET(orig, nvip->rep, EVENT *, ovip->rep_len); 56 memmove(nvip->rep, ovip->rep, ovip->rep_len); 57 nvip->rep_len = ovip->rep_len; 58 } 59 60 /* Copy the match characters information. */ 61 if (ovip->mcs != NULL && (nvip->mcs = 62 v_wstrdup(sp, ovip->mcs, STRLEN(ovip->mcs))) == NULL) 63 return (1); 64 65 /* Copy the paragraph/section information. */ 66 if (ovip->ps != NULL && (nvip->ps = 67 v_strdup(sp, ovip->ps, strlen(ovip->ps))) == NULL) 68 return (1); 69 70 nvip->lastckey = ovip->lastckey; 71 nvip->csearchdir = ovip->csearchdir; 72 73 nvip->srows = ovip->srows; 74 } 75 return (0); 76 } 77 78 /* 79 * v_screen_end -- 80 * End a vi screen. 81 * 82 * PUBLIC: int v_screen_end(SCR *); 83 */ 84 int 85 v_screen_end(SCR *sp) 86 { 87 VI_PRIVATE *vip; 88 89 if ((vip = VIP(sp)) == NULL) 90 return (0); 91 if (vip->keyw != NULL) 92 free(vip->keyw); 93 if (vip->rep != NULL) 94 free(vip->rep); 95 if (vip->mcs != NULL) 96 free(vip->mcs); 97 if (vip->ps != NULL) 98 free(vip->ps); 99 100 if (HMAP != NULL) 101 free(HMAP); 102 103 free(vip); 104 sp->vi_private = NULL; 105 106 return (0); 107 } 108 109 /* 110 * v_optchange -- 111 * Handle change of options for vi. 112 * 113 * PUBLIC: int v_optchange(SCR *, int, char *, u_long *); 114 */ 115 int 116 v_optchange(SCR *sp, int offset, char *str, u_long *valp) 117 { 118 switch (offset) { 119 case O_MATCHCHARS: 120 return (v_buildmcs(sp, str)); 121 case O_PARAGRAPHS: 122 return (v_buildps(sp, str, O_STR(sp, O_SECTIONS))); 123 case O_SECTIONS: 124 return (v_buildps(sp, O_STR(sp, O_PARAGRAPHS), str)); 125 case O_WINDOW: 126 return (vs_crel(sp, *valp)); 127 } 128 return (0); 129 } 130