14b88c807SRodney W. Grimes /*- 24b88c807SRodney W. Grimes * Copyright (c) 1993 34b88c807SRodney W. Grimes * The Regents of the University of California. All rights reserved. 44b88c807SRodney W. Grimes * 54b88c807SRodney W. Grimes * This code is derived from software contributed to Berkeley by 64b88c807SRodney W. Grimes * Kenneth Almquist. 74b88c807SRodney W. Grimes * 84b88c807SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 94b88c807SRodney W. Grimes * modification, are permitted provided that the following conditions 104b88c807SRodney W. Grimes * are met: 114b88c807SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 124b88c807SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 134b88c807SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 144b88c807SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 154b88c807SRodney W. Grimes * documentation and/or other materials provided with the distribution. 164b88c807SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 174b88c807SRodney W. Grimes * may be used to endorse or promote products derived from this software 184b88c807SRodney W. Grimes * without specific prior written permission. 194b88c807SRodney W. Grimes * 204b88c807SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 214b88c807SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 224b88c807SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 234b88c807SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 244b88c807SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 254b88c807SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 264b88c807SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 274b88c807SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 284b88c807SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 294b88c807SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 304b88c807SRodney W. Grimes * SUCH DAMAGE. 314b88c807SRodney W. Grimes */ 324b88c807SRodney W. Grimes 334b88c807SRodney W. Grimes #ifndef lint 343d7b5b93SPhilippe Charnier #if 0 353d7b5b93SPhilippe Charnier static char sccsid[] = "@(#)histedit.c 8.2 (Berkeley) 5/4/95"; 363d7b5b93SPhilippe Charnier #endif 374b88c807SRodney W. Grimes #endif /* not lint */ 382749b141SDavid E. O'Brien #include <sys/cdefs.h> 392749b141SDavid E. O'Brien __FBSDID("$FreeBSD$"); 404b88c807SRodney W. Grimes 414b88c807SRodney W. Grimes #include <sys/param.h> 4292e331afSWarner Losh #include <limits.h> 434b88c807SRodney W. Grimes #include <paths.h> 444b88c807SRodney W. Grimes #include <stdio.h> 45aa9caaf6SPeter Wemm #include <stdlib.h> 46aa9caaf6SPeter Wemm #include <unistd.h> 47aa9caaf6SPeter Wemm /* 48aa9caaf6SPeter Wemm * Editline and history functions (and glue). 49aa9caaf6SPeter Wemm */ 504b88c807SRodney W. Grimes #include "shell.h" 514b88c807SRodney W. Grimes #include "parser.h" 524b88c807SRodney W. Grimes #include "var.h" 534b88c807SRodney W. Grimes #include "options.h" 54aa9caaf6SPeter Wemm #include "main.h" 55aa9caaf6SPeter Wemm #include "output.h" 564b88c807SRodney W. Grimes #include "mystring.h" 57aa9caaf6SPeter Wemm #ifndef NO_HISTORY 58aa9caaf6SPeter Wemm #include "myhistedit.h" 594b88c807SRodney W. Grimes #include "error.h" 60aa9caaf6SPeter Wemm #include "eval.h" 614b88c807SRodney W. Grimes #include "memalloc.h" 624b88c807SRodney W. Grimes 634b88c807SRodney W. Grimes #define MAXHISTLOOPS 4 /* max recursions through fc */ 644b88c807SRodney W. Grimes #define DEFEDITOR "ed" /* default editor *should* be $EDITOR */ 654b88c807SRodney W. Grimes 664b88c807SRodney W. Grimes History *hist; /* history cookie */ 674b88c807SRodney W. Grimes EditLine *el; /* editline cookie */ 684b88c807SRodney W. Grimes int displayhist; 69757eeda0SDavid E. O'Brien static FILE *el_in, *el_out, *el_err; 704b88c807SRodney W. Grimes 7188328642SDavid E. O'Brien static char *fc_replace(const char *, char *, char *); 724b88c807SRodney W. Grimes 734b88c807SRodney W. Grimes /* 744b88c807SRodney W. Grimes * Set history and editing status. Called whenever the status may 754b88c807SRodney W. Grimes * have changed (figures out what to do). 764b88c807SRodney W. Grimes */ 77aa9caaf6SPeter Wemm void 785134c3f7SWarner Losh histedit(void) 79aa9caaf6SPeter Wemm { 804b88c807SRodney W. Grimes 814b88c807SRodney W. Grimes #define editing (Eflag || Vflag) 824b88c807SRodney W. Grimes 834b88c807SRodney W. Grimes if (iflag) { 844b88c807SRodney W. Grimes if (!hist) { 854b88c807SRodney W. Grimes /* 864b88c807SRodney W. Grimes * turn history on 874b88c807SRodney W. Grimes */ 884b88c807SRodney W. Grimes INTOFF; 894b88c807SRodney W. Grimes hist = history_init(); 904b88c807SRodney W. Grimes INTON; 914b88c807SRodney W. Grimes 924b88c807SRodney W. Grimes if (hist != NULL) 93ab0a2172SSteve Price sethistsize(histsizeval()); 944b88c807SRodney W. Grimes else 95c6204d4aSJilles Tjoelker out2fmt_flush("sh: can't initialize history\n"); 964b88c807SRodney W. Grimes } 974b88c807SRodney W. Grimes if (editing && !el && isatty(0)) { /* && isatty(2) ??? */ 984b88c807SRodney W. Grimes /* 994b88c807SRodney W. Grimes * turn editing on 1004b88c807SRodney W. Grimes */ 101580eefdfSJilles Tjoelker char *term; 102580eefdfSJilles Tjoelker 1034b88c807SRodney W. Grimes INTOFF; 1044b88c807SRodney W. Grimes if (el_in == NULL) 1054b88c807SRodney W. Grimes el_in = fdopen(0, "r"); 106757eeda0SDavid E. O'Brien if (el_err == NULL) 107757eeda0SDavid E. O'Brien el_err = fdopen(1, "w"); 1084b88c807SRodney W. Grimes if (el_out == NULL) 1094b88c807SRodney W. Grimes el_out = fdopen(2, "w"); 110757eeda0SDavid E. O'Brien if (el_in == NULL || el_err == NULL || el_out == NULL) 1114b88c807SRodney W. Grimes goto bad; 112580eefdfSJilles Tjoelker term = lookupvar("TERM"); 113580eefdfSJilles Tjoelker if (term) 114580eefdfSJilles Tjoelker setenv("TERM", term, 1); 115580eefdfSJilles Tjoelker else 116580eefdfSJilles Tjoelker unsetenv("TERM"); 117757eeda0SDavid E. O'Brien el = el_init(arg0, el_in, el_out, el_err); 1184b88c807SRodney W. Grimes if (el != NULL) { 1194b88c807SRodney W. Grimes if (hist) 1204b88c807SRodney W. Grimes el_set(el, EL_HIST, history, hist); 1214b88c807SRodney W. Grimes el_set(el, EL_PROMPT, getprompt); 122e46b12b7SJilles Tjoelker el_set(el, EL_ADDFN, "sh-complete", 123e46b12b7SJilles Tjoelker "Filename completion", 124e46b12b7SJilles Tjoelker _el_fn_sh_complete); 1254b88c807SRodney W. Grimes } else { 1264b88c807SRodney W. Grimes bad: 127c6204d4aSJilles Tjoelker out2fmt_flush("sh: can't initialize editing\n"); 1284b88c807SRodney W. Grimes } 1294b88c807SRodney W. Grimes INTON; 1304b88c807SRodney W. Grimes } else if (!editing && el) { 1314b88c807SRodney W. Grimes INTOFF; 1324b88c807SRodney W. Grimes el_end(el); 1334b88c807SRodney W. Grimes el = NULL; 1344b88c807SRodney W. Grimes INTON; 1354b88c807SRodney W. Grimes } 1364b88c807SRodney W. Grimes if (el) { 1374b88c807SRodney W. Grimes if (Vflag) 1384b88c807SRodney W. Grimes el_set(el, EL_EDITOR, "vi"); 1394b88c807SRodney W. Grimes else if (Eflag) 1404b88c807SRodney W. Grimes el_set(el, EL_EDITOR, "emacs"); 141e46b12b7SJilles Tjoelker el_set(el, EL_BIND, "^I", "sh-complete", NULL); 142ecd807fbSTim J. Robbins el_source(el, NULL); 1434b88c807SRodney W. Grimes } 1444b88c807SRodney W. Grimes } else { 1454b88c807SRodney W. Grimes INTOFF; 1464b88c807SRodney W. Grimes if (el) { /* no editing if not interactive */ 1474b88c807SRodney W. Grimes el_end(el); 1484b88c807SRodney W. Grimes el = NULL; 1494b88c807SRodney W. Grimes } 1504b88c807SRodney W. Grimes if (hist) { 1514b88c807SRodney W. Grimes history_end(hist); 1524b88c807SRodney W. Grimes hist = NULL; 1534b88c807SRodney W. Grimes } 1544b88c807SRodney W. Grimes INTON; 1554b88c807SRodney W. Grimes } 1564b88c807SRodney W. Grimes } 1574b88c807SRodney W. Grimes 158aa9caaf6SPeter Wemm 159aa9caaf6SPeter Wemm void 160ab0a2172SSteve Price sethistsize(hs) 161ab0a2172SSteve Price const char *hs; 162aa9caaf6SPeter Wemm { 1634b88c807SRodney W. Grimes int histsize; 164757eeda0SDavid E. O'Brien HistEvent he; 1654b88c807SRodney W. Grimes 1664b88c807SRodney W. Grimes if (hist != NULL) { 167ab0a2172SSteve Price if (hs == NULL || *hs == '\0' || 168ab0a2172SSteve Price (histsize = atoi(hs)) < 0) 1694b88c807SRodney W. Grimes histsize = 100; 1702110d9c3SStefan Farfeleder history(hist, &he, H_SETSIZE, histsize); 171933803fbSJilles Tjoelker history(hist, &he, H_SETUNIQUE, 1); 1724b88c807SRodney W. Grimes } 1734b88c807SRodney W. Grimes } 1744b88c807SRodney W. Grimes 175580eefdfSJilles Tjoelker void 176580eefdfSJilles Tjoelker setterm(const char *term) 177580eefdfSJilles Tjoelker { 178580eefdfSJilles Tjoelker if (rootshell && el != NULL && term != NULL) 179580eefdfSJilles Tjoelker el_set(el, EL_TERMINAL, term); 180580eefdfSJilles Tjoelker } 181580eefdfSJilles Tjoelker 182aa9caaf6SPeter Wemm int 1835134c3f7SWarner Losh histcmd(int argc, char **argv) 1844b88c807SRodney W. Grimes { 1854b88c807SRodney W. Grimes int ch; 186384aedabSJilles Tjoelker const char *editor = NULL; 187757eeda0SDavid E. O'Brien HistEvent he; 1884b88c807SRodney W. Grimes int lflg = 0, nflg = 0, rflg = 0, sflg = 0; 189757eeda0SDavid E. O'Brien int i, retval; 190384aedabSJilles Tjoelker const char *firststr, *laststr; 1914b88c807SRodney W. Grimes int first, last, direction; 192384aedabSJilles Tjoelker char *pat = NULL, *repl = NULL; 1934b88c807SRodney W. Grimes static int active = 0; 1944b88c807SRodney W. Grimes struct jmploc jmploc; 195224fbf9fSJilles Tjoelker struct jmploc *savehandler; 196224fbf9fSJilles Tjoelker char editfilestr[PATH_MAX]; 197224fbf9fSJilles Tjoelker char *volatile editfile; 198384aedabSJilles Tjoelker FILE *efp = NULL; 19932c07786STim J. Robbins int oldhistnum; 2004b88c807SRodney W. Grimes 2014b88c807SRodney W. Grimes if (hist == NULL) 2024b88c807SRodney W. Grimes error("history not active"); 2034b88c807SRodney W. Grimes 2044b88c807SRodney W. Grimes if (argc == 1) 2054b88c807SRodney W. Grimes error("missing history argument"); 2064b88c807SRodney W. Grimes 2074b88c807SRodney W. Grimes optreset = 1; optind = 1; /* initialize getopt */ 208050f7913STim J. Robbins opterr = 0; 2094b88c807SRodney W. Grimes while (not_fcnumber(argv[optind]) && 21093ef08afSWarner Losh (ch = getopt(argc, argv, ":e:lnrs")) != -1) 2114b88c807SRodney W. Grimes switch ((char)ch) { 2124b88c807SRodney W. Grimes case 'e': 213ee6712f2STim J. Robbins editor = optarg; 2144b88c807SRodney W. Grimes break; 2154b88c807SRodney W. Grimes case 'l': 2164b88c807SRodney W. Grimes lflg = 1; 2174b88c807SRodney W. Grimes break; 2184b88c807SRodney W. Grimes case 'n': 2194b88c807SRodney W. Grimes nflg = 1; 2204b88c807SRodney W. Grimes break; 2214b88c807SRodney W. Grimes case 'r': 2224b88c807SRodney W. Grimes rflg = 1; 2234b88c807SRodney W. Grimes break; 2244b88c807SRodney W. Grimes case 's': 2254b88c807SRodney W. Grimes sflg = 1; 2264b88c807SRodney W. Grimes break; 2274b88c807SRodney W. Grimes case ':': 2284b88c807SRodney W. Grimes error("option -%c expects argument", optopt); 2294b88c807SRodney W. Grimes case '?': 2304b88c807SRodney W. Grimes default: 2314b88c807SRodney W. Grimes error("unknown option: -%c", optopt); 2324b88c807SRodney W. Grimes } 2334b88c807SRodney W. Grimes argc -= optind, argv += optind; 2344b88c807SRodney W. Grimes 2354b88c807SRodney W. Grimes /* 2364b88c807SRodney W. Grimes * If executing... 2374b88c807SRodney W. Grimes */ 2384b88c807SRodney W. Grimes if (lflg == 0 || editor || sflg) { 2394b88c807SRodney W. Grimes lflg = 0; /* ignore */ 240224fbf9fSJilles Tjoelker editfile = NULL; 2414b88c807SRodney W. Grimes /* 2424b88c807SRodney W. Grimes * Catch interrupts to reset active counter and 2434b88c807SRodney W. Grimes * cleanup temp files. 2444b88c807SRodney W. Grimes */ 245224fbf9fSJilles Tjoelker savehandler = handler; 2464b88c807SRodney W. Grimes if (setjmp(jmploc.loc)) { 2474b88c807SRodney W. Grimes active = 0; 248224fbf9fSJilles Tjoelker if (editfile) 2494b88c807SRodney W. Grimes unlink(editfile); 2504b88c807SRodney W. Grimes handler = savehandler; 2514b88c807SRodney W. Grimes longjmp(handler->loc, 1); 2524b88c807SRodney W. Grimes } 2534b88c807SRodney W. Grimes handler = &jmploc; 2544b88c807SRodney W. Grimes if (++active > MAXHISTLOOPS) { 2554b88c807SRodney W. Grimes active = 0; 2564b88c807SRodney W. Grimes displayhist = 0; 2574b88c807SRodney W. Grimes error("called recursively too many times"); 2584b88c807SRodney W. Grimes } 2594b88c807SRodney W. Grimes /* 2604b88c807SRodney W. Grimes * Set editor. 2614b88c807SRodney W. Grimes */ 2624b88c807SRodney W. Grimes if (sflg == 0) { 2634b88c807SRodney W. Grimes if (editor == NULL && 2644b88c807SRodney W. Grimes (editor = bltinlookup("FCEDIT", 1)) == NULL && 2654b88c807SRodney W. Grimes (editor = bltinlookup("EDITOR", 1)) == NULL) 2664b88c807SRodney W. Grimes editor = DEFEDITOR; 2674b88c807SRodney W. Grimes if (editor[0] == '-' && editor[1] == '\0') { 2684b88c807SRodney W. Grimes sflg = 1; /* no edit */ 2694b88c807SRodney W. Grimes editor = NULL; 2704b88c807SRodney W. Grimes } 2714b88c807SRodney W. Grimes } 2724b88c807SRodney W. Grimes } 2734b88c807SRodney W. Grimes 2744b88c807SRodney W. Grimes /* 2754b88c807SRodney W. Grimes * If executing, parse [old=new] now 2764b88c807SRodney W. Grimes */ 2774b88c807SRodney W. Grimes if (lflg == 0 && argc > 0 && 2784b88c807SRodney W. Grimes ((repl = strchr(argv[0], '=')) != NULL)) { 2794b88c807SRodney W. Grimes pat = argv[0]; 2804b88c807SRodney W. Grimes *repl++ = '\0'; 2814b88c807SRodney W. Grimes argc--, argv++; 2824b88c807SRodney W. Grimes } 2834b88c807SRodney W. Grimes /* 2844b88c807SRodney W. Grimes * determine [first] and [last] 2854b88c807SRodney W. Grimes */ 2864b88c807SRodney W. Grimes switch (argc) { 2874b88c807SRodney W. Grimes case 0: 2884b88c807SRodney W. Grimes firststr = lflg ? "-16" : "-1"; 2894b88c807SRodney W. Grimes laststr = "-1"; 2904b88c807SRodney W. Grimes break; 2914b88c807SRodney W. Grimes case 1: 2924b88c807SRodney W. Grimes firststr = argv[0]; 2934b88c807SRodney W. Grimes laststr = lflg ? "-1" : argv[0]; 2944b88c807SRodney W. Grimes break; 2954b88c807SRodney W. Grimes case 2: 2964b88c807SRodney W. Grimes firststr = argv[0]; 2974b88c807SRodney W. Grimes laststr = argv[1]; 2984b88c807SRodney W. Grimes break; 2994b88c807SRodney W. Grimes default: 300274110dfSJilles Tjoelker error("too many arguments"); 3014b88c807SRodney W. Grimes } 3024b88c807SRodney W. Grimes /* 3034b88c807SRodney W. Grimes * Turn into event numbers. 3044b88c807SRodney W. Grimes */ 3054b88c807SRodney W. Grimes first = str_to_event(firststr, 0); 3064b88c807SRodney W. Grimes last = str_to_event(laststr, 1); 3074b88c807SRodney W. Grimes 3084b88c807SRodney W. Grimes if (rflg) { 3094b88c807SRodney W. Grimes i = last; 3104b88c807SRodney W. Grimes last = first; 3114b88c807SRodney W. Grimes first = i; 3124b88c807SRodney W. Grimes } 3134b88c807SRodney W. Grimes /* 3144b88c807SRodney W. Grimes * XXX - this should not depend on the event numbers 3154b88c807SRodney W. Grimes * always increasing. Add sequence numbers or offset 3164b88c807SRodney W. Grimes * to the history element in next (diskbased) release. 3174b88c807SRodney W. Grimes */ 3184b88c807SRodney W. Grimes direction = first < last ? H_PREV : H_NEXT; 3194b88c807SRodney W. Grimes 3204b88c807SRodney W. Grimes /* 3214b88c807SRodney W. Grimes * If editing, grab a temp file. 3224b88c807SRodney W. Grimes */ 3234b88c807SRodney W. Grimes if (editor) { 3244b88c807SRodney W. Grimes int fd; 3254b88c807SRodney W. Grimes INTOFF; /* easier */ 326224fbf9fSJilles Tjoelker sprintf(editfilestr, "%s/_shXXXXXX", _PATH_TMP); 327224fbf9fSJilles Tjoelker if ((fd = mkstemp(editfilestr)) < 0) 3284b88c807SRodney W. Grimes error("can't create temporary file %s", editfile); 329224fbf9fSJilles Tjoelker editfile = editfilestr; 3304b88c807SRodney W. Grimes if ((efp = fdopen(fd, "w")) == NULL) { 3314b88c807SRodney W. Grimes close(fd); 332274110dfSJilles Tjoelker error("Out of space"); 3334b88c807SRodney W. Grimes } 3344b88c807SRodney W. Grimes } 3354b88c807SRodney W. Grimes 3364b88c807SRodney W. Grimes /* 3374b88c807SRodney W. Grimes * Loop through selected history events. If listing or executing, 3384b88c807SRodney W. Grimes * do it now. Otherwise, put into temp file and call the editor 3394b88c807SRodney W. Grimes * after. 3404b88c807SRodney W. Grimes * 3414b88c807SRodney W. Grimes * The history interface needs rethinking, as the following 3424b88c807SRodney W. Grimes * convolutions will demonstrate. 3434b88c807SRodney W. Grimes */ 344757eeda0SDavid E. O'Brien history(hist, &he, H_FIRST); 345757eeda0SDavid E. O'Brien retval = history(hist, &he, H_NEXT_EVENT, first); 346757eeda0SDavid E. O'Brien for (;retval != -1; retval = history(hist, &he, direction)) { 3474b88c807SRodney W. Grimes if (lflg) { 3484b88c807SRodney W. Grimes if (!nflg) 349757eeda0SDavid E. O'Brien out1fmt("%5d ", he.num); 350757eeda0SDavid E. O'Brien out1str(he.str); 3514b88c807SRodney W. Grimes } else { 3524b88c807SRodney W. Grimes char *s = pat ? 353757eeda0SDavid E. O'Brien fc_replace(he.str, pat, repl) : (char *)he.str; 3544b88c807SRodney W. Grimes 3554b88c807SRodney W. Grimes if (sflg) { 3564b88c807SRodney W. Grimes if (displayhist) { 3574b88c807SRodney W. Grimes out2str(s); 358c6204d4aSJilles Tjoelker flushout(out2); 3594b88c807SRodney W. Grimes } 360cb806389SStefan Farfeleder evalstring(s, 0); 3614b88c807SRodney W. Grimes if (displayhist && hist) { 3624b88c807SRodney W. Grimes /* 3634b88c807SRodney W. Grimes * XXX what about recursive and 3644b88c807SRodney W. Grimes * relative histnums. 3654b88c807SRodney W. Grimes */ 36632c07786STim J. Robbins oldhistnum = he.num; 367757eeda0SDavid E. O'Brien history(hist, &he, H_ENTER, s); 36832c07786STim J. Robbins /* 36932c07786STim J. Robbins * XXX H_ENTER moves the internal 37032c07786STim J. Robbins * cursor, set it back to the current 37132c07786STim J. Robbins * entry. 37232c07786STim J. Robbins */ 37332c07786STim J. Robbins retval = history(hist, &he, 37432c07786STim J. Robbins H_NEXT_EVENT, oldhistnum); 3754b88c807SRodney W. Grimes } 3764b88c807SRodney W. Grimes } else 3774b88c807SRodney W. Grimes fputs(s, efp); 3784b88c807SRodney W. Grimes } 3794b88c807SRodney W. Grimes /* 380776fc0e9SYaroslav Tykhiy * At end? (if we were to lose last, we'd sure be 3814b88c807SRodney W. Grimes * messed up). 3824b88c807SRodney W. Grimes */ 383757eeda0SDavid E. O'Brien if (he.num == last) 3844b88c807SRodney W. Grimes break; 3854b88c807SRodney W. Grimes } 3864b88c807SRodney W. Grimes if (editor) { 3874b88c807SRodney W. Grimes char *editcmd; 3884b88c807SRodney W. Grimes 3894b88c807SRodney W. Grimes fclose(efp); 3904b88c807SRodney W. Grimes editcmd = stalloc(strlen(editor) + strlen(editfile) + 2); 3914b88c807SRodney W. Grimes sprintf(editcmd, "%s %s", editor, editfile); 392cb806389SStefan Farfeleder evalstring(editcmd, 0); /* XXX - should use no JC command */ 3934b88c807SRodney W. Grimes INTON; 3944b88c807SRodney W. Grimes readcmdfile(editfile); /* XXX - should read back - quick tst */ 3954b88c807SRodney W. Grimes unlink(editfile); 3964b88c807SRodney W. Grimes } 3974b88c807SRodney W. Grimes 3984b88c807SRodney W. Grimes if (lflg == 0 && active > 0) 3994b88c807SRodney W. Grimes --active; 4004b88c807SRodney W. Grimes if (displayhist) 4014b88c807SRodney W. Grimes displayhist = 0; 402aa9caaf6SPeter Wemm return 0; 4034b88c807SRodney W. Grimes } 4044b88c807SRodney W. Grimes 40588328642SDavid E. O'Brien static char * 4065134c3f7SWarner Losh fc_replace(const char *s, char *p, char *r) 4074b88c807SRodney W. Grimes { 4084b88c807SRodney W. Grimes char *dest; 4094b88c807SRodney W. Grimes int plen = strlen(p); 4104b88c807SRodney W. Grimes 4114b88c807SRodney W. Grimes STARTSTACKSTR(dest); 4124b88c807SRodney W. Grimes while (*s) { 4134b88c807SRodney W. Grimes if (*s == *p && strncmp(s, p, plen) == 0) { 4144b88c807SRodney W. Grimes while (*r) 4154b88c807SRodney W. Grimes STPUTC(*r++, dest); 4164b88c807SRodney W. Grimes s += plen; 4174b88c807SRodney W. Grimes *p = '\0'; /* so no more matches */ 4184b88c807SRodney W. Grimes } else 4194b88c807SRodney W. Grimes STPUTC(*s++, dest); 4204b88c807SRodney W. Grimes } 4217cfe6941SDavid E. O'Brien STPUTC('\0', dest); 4224b88c807SRodney W. Grimes dest = grabstackstr(dest); 4234b88c807SRodney W. Grimes 4244b88c807SRodney W. Grimes return (dest); 4254b88c807SRodney W. Grimes } 4264b88c807SRodney W. Grimes 427aa9caaf6SPeter Wemm int 4282cac6e36SJilles Tjoelker not_fcnumber(const char *s) 4294b88c807SRodney W. Grimes { 430ab0a2172SSteve Price if (s == NULL) 43162730a71SSteve Price return (0); 4324b88c807SRodney W. Grimes if (*s == '-') 4334b88c807SRodney W. Grimes s++; 4344b88c807SRodney W. Grimes return (!is_number(s)); 4354b88c807SRodney W. Grimes } 4364b88c807SRodney W. Grimes 437aa9caaf6SPeter Wemm int 4382cac6e36SJilles Tjoelker str_to_event(const char *str, int last) 4394b88c807SRodney W. Grimes { 440757eeda0SDavid E. O'Brien HistEvent he; 4412cac6e36SJilles Tjoelker const char *s = str; 4424b88c807SRodney W. Grimes int relative = 0; 443757eeda0SDavid E. O'Brien int i, retval; 4444b88c807SRodney W. Grimes 445757eeda0SDavid E. O'Brien retval = history(hist, &he, H_FIRST); 4464b88c807SRodney W. Grimes switch (*s) { 4474b88c807SRodney W. Grimes case '-': 4484b88c807SRodney W. Grimes relative = 1; 4494b88c807SRodney W. Grimes /*FALLTHROUGH*/ 4504b88c807SRodney W. Grimes case '+': 4514b88c807SRodney W. Grimes s++; 4524b88c807SRodney W. Grimes } 4534b88c807SRodney W. Grimes if (is_number(s)) { 4544b88c807SRodney W. Grimes i = atoi(s); 4554b88c807SRodney W. Grimes if (relative) { 456757eeda0SDavid E. O'Brien while (retval != -1 && i--) { 457757eeda0SDavid E. O'Brien retval = history(hist, &he, H_NEXT); 4584b88c807SRodney W. Grimes } 459757eeda0SDavid E. O'Brien if (retval == -1) 460757eeda0SDavid E. O'Brien retval = history(hist, &he, H_LAST); 4614b88c807SRodney W. Grimes } else { 462757eeda0SDavid E. O'Brien retval = history(hist, &he, H_NEXT_EVENT, i); 463757eeda0SDavid E. O'Brien if (retval == -1) { 4644b88c807SRodney W. Grimes /* 4654b88c807SRodney W. Grimes * the notion of first and last is 4664b88c807SRodney W. Grimes * backwards to that of the history package 4674b88c807SRodney W. Grimes */ 468757eeda0SDavid E. O'Brien retval = history(hist, &he, last ? H_FIRST : H_LAST); 4694b88c807SRodney W. Grimes } 4704b88c807SRodney W. Grimes } 471757eeda0SDavid E. O'Brien if (retval == -1) 4724b88c807SRodney W. Grimes error("history number %s not found (internal error)", 4734b88c807SRodney W. Grimes str); 4744b88c807SRodney W. Grimes } else { 4754b88c807SRodney W. Grimes /* 4764b88c807SRodney W. Grimes * pattern 4774b88c807SRodney W. Grimes */ 478757eeda0SDavid E. O'Brien retval = history(hist, &he, H_PREV_STR, str); 479757eeda0SDavid E. O'Brien if (retval == -1) 4804b88c807SRodney W. Grimes error("history pattern not found: %s", str); 4814b88c807SRodney W. Grimes } 482757eeda0SDavid E. O'Brien return (he.num); 4834b88c807SRodney W. Grimes } 484088acf90STim J. Robbins 485088acf90STim J. Robbins int 486088acf90STim J. Robbins bindcmd(int argc, char **argv) 487088acf90STim J. Robbins { 488088acf90STim J. Robbins 489088acf90STim J. Robbins if (el == NULL) 490088acf90STim J. Robbins error("line editing is disabled"); 4917bdc89d7SStefan Farfeleder return (el_parse(el, argc, (const char **)argv)); 492088acf90STim J. Robbins } 493088acf90STim J. Robbins 49462730a71SSteve Price #else 49562730a71SSteve Price #include "error.h" 49662730a71SSteve Price 49762730a71SSteve Price int 4985134c3f7SWarner Losh histcmd(int argc, char **argv) 49962730a71SSteve Price { 50062730a71SSteve Price 50162730a71SSteve Price error("not compiled with history support"); 50262730a71SSteve Price /*NOTREACHED*/ 50362730a71SSteve Price return (0); 50462730a71SSteve Price } 505088acf90STim J. Robbins 506088acf90STim J. Robbins int 507088acf90STim J. Robbins bindcmd(int argc, char **argv) 508088acf90STim J. Robbins { 509088acf90STim J. Robbins 510088acf90STim J. Robbins error("not compiled with line editing support"); 511088acf90STim J. Robbins return (0); 512088acf90STim J. Robbins } 51362730a71SSteve Price #endif 514