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 715134c3f7SWarner Losh 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 */ 1014b88c807SRodney W. Grimes INTOFF; 1024b88c807SRodney W. Grimes if (el_in == NULL) 1034b88c807SRodney W. Grimes el_in = fdopen(0, "r"); 104757eeda0SDavid E. O'Brien if (el_err == NULL) 105757eeda0SDavid E. O'Brien el_err = fdopen(1, "w"); 1064b88c807SRodney W. Grimes if (el_out == NULL) 1074b88c807SRodney W. Grimes el_out = fdopen(2, "w"); 108757eeda0SDavid E. O'Brien if (el_in == NULL || el_err == NULL || el_out == NULL) 1094b88c807SRodney W. Grimes goto bad; 110757eeda0SDavid E. O'Brien el = el_init(arg0, el_in, el_out, el_err); 1114b88c807SRodney W. Grimes if (el != NULL) { 1124b88c807SRodney W. Grimes if (hist) 1134b88c807SRodney W. Grimes el_set(el, EL_HIST, history, hist); 1144b88c807SRodney W. Grimes el_set(el, EL_PROMPT, getprompt); 1154b88c807SRodney W. Grimes } else { 1164b88c807SRodney W. Grimes bad: 117c6204d4aSJilles Tjoelker out2fmt_flush("sh: can't initialize editing\n"); 1184b88c807SRodney W. Grimes } 1194b88c807SRodney W. Grimes INTON; 1204b88c807SRodney W. Grimes } else if (!editing && el) { 1214b88c807SRodney W. Grimes INTOFF; 1224b88c807SRodney W. Grimes el_end(el); 1234b88c807SRodney W. Grimes el = NULL; 1244b88c807SRodney W. Grimes INTON; 1254b88c807SRodney W. Grimes } 1264b88c807SRodney W. Grimes if (el) { 1274b88c807SRodney W. Grimes if (Vflag) 1284b88c807SRodney W. Grimes el_set(el, EL_EDITOR, "vi"); 1294b88c807SRodney W. Grimes else if (Eflag) 1304b88c807SRodney W. Grimes el_set(el, EL_EDITOR, "emacs"); 131ecd807fbSTim J. Robbins el_source(el, NULL); 1324b88c807SRodney W. Grimes } 1334b88c807SRodney W. Grimes } else { 1344b88c807SRodney W. Grimes INTOFF; 1354b88c807SRodney W. Grimes if (el) { /* no editing if not interactive */ 1364b88c807SRodney W. Grimes el_end(el); 1374b88c807SRodney W. Grimes el = NULL; 1384b88c807SRodney W. Grimes } 1394b88c807SRodney W. Grimes if (hist) { 1404b88c807SRodney W. Grimes history_end(hist); 1414b88c807SRodney W. Grimes hist = NULL; 1424b88c807SRodney W. Grimes } 1434b88c807SRodney W. Grimes INTON; 1444b88c807SRodney W. Grimes } 1454b88c807SRodney W. Grimes } 1464b88c807SRodney W. Grimes 147aa9caaf6SPeter Wemm 148aa9caaf6SPeter Wemm void 149ab0a2172SSteve Price sethistsize(hs) 150ab0a2172SSteve Price const char *hs; 151aa9caaf6SPeter Wemm { 1524b88c807SRodney W. Grimes int histsize; 153757eeda0SDavid E. O'Brien HistEvent he; 1544b88c807SRodney W. Grimes 1554b88c807SRodney W. Grimes if (hist != NULL) { 156ab0a2172SSteve Price if (hs == NULL || *hs == '\0' || 157ab0a2172SSteve Price (histsize = atoi(hs)) < 0) 1584b88c807SRodney W. Grimes histsize = 100; 1592110d9c3SStefan Farfeleder history(hist, &he, H_SETSIZE, histsize); 1604b88c807SRodney W. Grimes } 1614b88c807SRodney W. Grimes } 1624b88c807SRodney W. Grimes 163aa9caaf6SPeter Wemm int 1645134c3f7SWarner Losh histcmd(int argc, char **argv) 1654b88c807SRodney W. Grimes { 1664b88c807SRodney W. Grimes int ch; 167384aedabSJilles Tjoelker const char *editor = NULL; 168757eeda0SDavid E. O'Brien HistEvent he; 1694b88c807SRodney W. Grimes int lflg = 0, nflg = 0, rflg = 0, sflg = 0; 170757eeda0SDavid E. O'Brien int i, retval; 171384aedabSJilles Tjoelker const char *firststr, *laststr; 1724b88c807SRodney W. Grimes int first, last, direction; 173384aedabSJilles Tjoelker char *pat = NULL, *repl = NULL; 1744b88c807SRodney W. Grimes static int active = 0; 1754b88c807SRodney W. Grimes struct jmploc jmploc; 176224fbf9fSJilles Tjoelker struct jmploc *savehandler; 177224fbf9fSJilles Tjoelker char editfilestr[PATH_MAX]; 178224fbf9fSJilles Tjoelker char *volatile editfile; 179384aedabSJilles Tjoelker FILE *efp = NULL; 18032c07786STim J. Robbins int oldhistnum; 1814b88c807SRodney W. Grimes 1824b88c807SRodney W. Grimes if (hist == NULL) 1834b88c807SRodney W. Grimes error("history not active"); 1844b88c807SRodney W. Grimes 1854b88c807SRodney W. Grimes if (argc == 1) 1864b88c807SRodney W. Grimes error("missing history argument"); 1874b88c807SRodney W. Grimes 1884b88c807SRodney W. Grimes optreset = 1; optind = 1; /* initialize getopt */ 189050f7913STim J. Robbins opterr = 0; 1904b88c807SRodney W. Grimes while (not_fcnumber(argv[optind]) && 19193ef08afSWarner Losh (ch = getopt(argc, argv, ":e:lnrs")) != -1) 1924b88c807SRodney W. Grimes switch ((char)ch) { 1934b88c807SRodney W. Grimes case 'e': 194ee6712f2STim J. Robbins editor = optarg; 1954b88c807SRodney W. Grimes break; 1964b88c807SRodney W. Grimes case 'l': 1974b88c807SRodney W. Grimes lflg = 1; 1984b88c807SRodney W. Grimes break; 1994b88c807SRodney W. Grimes case 'n': 2004b88c807SRodney W. Grimes nflg = 1; 2014b88c807SRodney W. Grimes break; 2024b88c807SRodney W. Grimes case 'r': 2034b88c807SRodney W. Grimes rflg = 1; 2044b88c807SRodney W. Grimes break; 2054b88c807SRodney W. Grimes case 's': 2064b88c807SRodney W. Grimes sflg = 1; 2074b88c807SRodney W. Grimes break; 2084b88c807SRodney W. Grimes case ':': 2094b88c807SRodney W. Grimes error("option -%c expects argument", optopt); 2104b88c807SRodney W. Grimes case '?': 2114b88c807SRodney W. Grimes default: 2124b88c807SRodney W. Grimes error("unknown option: -%c", optopt); 2134b88c807SRodney W. Grimes } 2144b88c807SRodney W. Grimes argc -= optind, argv += optind; 2154b88c807SRodney W. Grimes 2164b88c807SRodney W. Grimes /* 2174b88c807SRodney W. Grimes * If executing... 2184b88c807SRodney W. Grimes */ 2194b88c807SRodney W. Grimes if (lflg == 0 || editor || sflg) { 2204b88c807SRodney W. Grimes lflg = 0; /* ignore */ 221224fbf9fSJilles Tjoelker editfile = NULL; 2224b88c807SRodney W. Grimes /* 2234b88c807SRodney W. Grimes * Catch interrupts to reset active counter and 2244b88c807SRodney W. Grimes * cleanup temp files. 2254b88c807SRodney W. Grimes */ 226224fbf9fSJilles Tjoelker savehandler = handler; 2274b88c807SRodney W. Grimes if (setjmp(jmploc.loc)) { 2284b88c807SRodney W. Grimes active = 0; 229224fbf9fSJilles Tjoelker if (editfile) 2304b88c807SRodney W. Grimes unlink(editfile); 2314b88c807SRodney W. Grimes handler = savehandler; 2324b88c807SRodney W. Grimes longjmp(handler->loc, 1); 2334b88c807SRodney W. Grimes } 2344b88c807SRodney W. Grimes handler = &jmploc; 2354b88c807SRodney W. Grimes if (++active > MAXHISTLOOPS) { 2364b88c807SRodney W. Grimes active = 0; 2374b88c807SRodney W. Grimes displayhist = 0; 2384b88c807SRodney W. Grimes error("called recursively too many times"); 2394b88c807SRodney W. Grimes } 2404b88c807SRodney W. Grimes /* 2414b88c807SRodney W. Grimes * Set editor. 2424b88c807SRodney W. Grimes */ 2434b88c807SRodney W. Grimes if (sflg == 0) { 2444b88c807SRodney W. Grimes if (editor == NULL && 2454b88c807SRodney W. Grimes (editor = bltinlookup("FCEDIT", 1)) == NULL && 2464b88c807SRodney W. Grimes (editor = bltinlookup("EDITOR", 1)) == NULL) 2474b88c807SRodney W. Grimes editor = DEFEDITOR; 2484b88c807SRodney W. Grimes if (editor[0] == '-' && editor[1] == '\0') { 2494b88c807SRodney W. Grimes sflg = 1; /* no edit */ 2504b88c807SRodney W. Grimes editor = NULL; 2514b88c807SRodney W. Grimes } 2524b88c807SRodney W. Grimes } 2534b88c807SRodney W. Grimes } 2544b88c807SRodney W. Grimes 2554b88c807SRodney W. Grimes /* 2564b88c807SRodney W. Grimes * If executing, parse [old=new] now 2574b88c807SRodney W. Grimes */ 2584b88c807SRodney W. Grimes if (lflg == 0 && argc > 0 && 2594b88c807SRodney W. Grimes ((repl = strchr(argv[0], '=')) != NULL)) { 2604b88c807SRodney W. Grimes pat = argv[0]; 2614b88c807SRodney W. Grimes *repl++ = '\0'; 2624b88c807SRodney W. Grimes argc--, argv++; 2634b88c807SRodney W. Grimes } 2644b88c807SRodney W. Grimes /* 2654b88c807SRodney W. Grimes * determine [first] and [last] 2664b88c807SRodney W. Grimes */ 2674b88c807SRodney W. Grimes switch (argc) { 2684b88c807SRodney W. Grimes case 0: 2694b88c807SRodney W. Grimes firststr = lflg ? "-16" : "-1"; 2704b88c807SRodney W. Grimes laststr = "-1"; 2714b88c807SRodney W. Grimes break; 2724b88c807SRodney W. Grimes case 1: 2734b88c807SRodney W. Grimes firststr = argv[0]; 2744b88c807SRodney W. Grimes laststr = lflg ? "-1" : argv[0]; 2754b88c807SRodney W. Grimes break; 2764b88c807SRodney W. Grimes case 2: 2774b88c807SRodney W. Grimes firststr = argv[0]; 2784b88c807SRodney W. Grimes laststr = argv[1]; 2794b88c807SRodney W. Grimes break; 2804b88c807SRodney W. Grimes default: 2814b88c807SRodney W. Grimes error("too many args"); 2824b88c807SRodney W. Grimes } 2834b88c807SRodney W. Grimes /* 2844b88c807SRodney W. Grimes * Turn into event numbers. 2854b88c807SRodney W. Grimes */ 2864b88c807SRodney W. Grimes first = str_to_event(firststr, 0); 2874b88c807SRodney W. Grimes last = str_to_event(laststr, 1); 2884b88c807SRodney W. Grimes 2894b88c807SRodney W. Grimes if (rflg) { 2904b88c807SRodney W. Grimes i = last; 2914b88c807SRodney W. Grimes last = first; 2924b88c807SRodney W. Grimes first = i; 2934b88c807SRodney W. Grimes } 2944b88c807SRodney W. Grimes /* 2954b88c807SRodney W. Grimes * XXX - this should not depend on the event numbers 2964b88c807SRodney W. Grimes * always increasing. Add sequence numbers or offset 2974b88c807SRodney W. Grimes * to the history element in next (diskbased) release. 2984b88c807SRodney W. Grimes */ 2994b88c807SRodney W. Grimes direction = first < last ? H_PREV : H_NEXT; 3004b88c807SRodney W. Grimes 3014b88c807SRodney W. Grimes /* 3024b88c807SRodney W. Grimes * If editing, grab a temp file. 3034b88c807SRodney W. Grimes */ 3044b88c807SRodney W. Grimes if (editor) { 3054b88c807SRodney W. Grimes int fd; 3064b88c807SRodney W. Grimes INTOFF; /* easier */ 307224fbf9fSJilles Tjoelker sprintf(editfilestr, "%s/_shXXXXXX", _PATH_TMP); 308224fbf9fSJilles Tjoelker if ((fd = mkstemp(editfilestr)) < 0) 3094b88c807SRodney W. Grimes error("can't create temporary file %s", editfile); 310224fbf9fSJilles Tjoelker editfile = editfilestr; 3114b88c807SRodney W. Grimes if ((efp = fdopen(fd, "w")) == NULL) { 3124b88c807SRodney W. Grimes close(fd); 31316992ff4SPeter Wemm error("can't allocate stdio buffer for temp"); 3144b88c807SRodney W. Grimes } 3154b88c807SRodney W. Grimes } 3164b88c807SRodney W. Grimes 3174b88c807SRodney W. Grimes /* 3184b88c807SRodney W. Grimes * Loop through selected history events. If listing or executing, 3194b88c807SRodney W. Grimes * do it now. Otherwise, put into temp file and call the editor 3204b88c807SRodney W. Grimes * after. 3214b88c807SRodney W. Grimes * 3224b88c807SRodney W. Grimes * The history interface needs rethinking, as the following 3234b88c807SRodney W. Grimes * convolutions will demonstrate. 3244b88c807SRodney W. Grimes */ 325757eeda0SDavid E. O'Brien history(hist, &he, H_FIRST); 326757eeda0SDavid E. O'Brien retval = history(hist, &he, H_NEXT_EVENT, first); 327757eeda0SDavid E. O'Brien for (;retval != -1; retval = history(hist, &he, direction)) { 3284b88c807SRodney W. Grimes if (lflg) { 3294b88c807SRodney W. Grimes if (!nflg) 330757eeda0SDavid E. O'Brien out1fmt("%5d ", he.num); 331757eeda0SDavid E. O'Brien out1str(he.str); 3324b88c807SRodney W. Grimes } else { 3334b88c807SRodney W. Grimes char *s = pat ? 334757eeda0SDavid E. O'Brien fc_replace(he.str, pat, repl) : (char *)he.str; 3354b88c807SRodney W. Grimes 3364b88c807SRodney W. Grimes if (sflg) { 3374b88c807SRodney W. Grimes if (displayhist) { 3384b88c807SRodney W. Grimes out2str(s); 339c6204d4aSJilles Tjoelker flushout(out2); 3404b88c807SRodney W. Grimes } 341cb806389SStefan Farfeleder evalstring(s, 0); 3424b88c807SRodney W. Grimes if (displayhist && hist) { 3434b88c807SRodney W. Grimes /* 3444b88c807SRodney W. Grimes * XXX what about recursive and 3454b88c807SRodney W. Grimes * relative histnums. 3464b88c807SRodney W. Grimes */ 34732c07786STim J. Robbins oldhistnum = he.num; 348757eeda0SDavid E. O'Brien history(hist, &he, H_ENTER, s); 34932c07786STim J. Robbins /* 35032c07786STim J. Robbins * XXX H_ENTER moves the internal 35132c07786STim J. Robbins * cursor, set it back to the current 35232c07786STim J. Robbins * entry. 35332c07786STim J. Robbins */ 35432c07786STim J. Robbins retval = history(hist, &he, 35532c07786STim J. Robbins H_NEXT_EVENT, oldhistnum); 3564b88c807SRodney W. Grimes } 3574b88c807SRodney W. Grimes } else 3584b88c807SRodney W. Grimes fputs(s, efp); 3594b88c807SRodney W. Grimes } 3604b88c807SRodney W. Grimes /* 361776fc0e9SYaroslav Tykhiy * At end? (if we were to lose last, we'd sure be 3624b88c807SRodney W. Grimes * messed up). 3634b88c807SRodney W. Grimes */ 364757eeda0SDavid E. O'Brien if (he.num == last) 3654b88c807SRodney W. Grimes break; 3664b88c807SRodney W. Grimes } 3674b88c807SRodney W. Grimes if (editor) { 3684b88c807SRodney W. Grimes char *editcmd; 3694b88c807SRodney W. Grimes 3704b88c807SRodney W. Grimes fclose(efp); 3714b88c807SRodney W. Grimes editcmd = stalloc(strlen(editor) + strlen(editfile) + 2); 3724b88c807SRodney W. Grimes sprintf(editcmd, "%s %s", editor, editfile); 373cb806389SStefan Farfeleder evalstring(editcmd, 0); /* XXX - should use no JC command */ 3744b88c807SRodney W. Grimes INTON; 3754b88c807SRodney W. Grimes readcmdfile(editfile); /* XXX - should read back - quick tst */ 3764b88c807SRodney W. Grimes unlink(editfile); 3774b88c807SRodney W. Grimes } 3784b88c807SRodney W. Grimes 3794b88c807SRodney W. Grimes if (lflg == 0 && active > 0) 3804b88c807SRodney W. Grimes --active; 3814b88c807SRodney W. Grimes if (displayhist) 3824b88c807SRodney W. Grimes displayhist = 0; 383aa9caaf6SPeter Wemm return 0; 3844b88c807SRodney W. Grimes } 3854b88c807SRodney W. Grimes 3864b88c807SRodney W. Grimes STATIC char * 3875134c3f7SWarner Losh fc_replace(const char *s, char *p, char *r) 3884b88c807SRodney W. Grimes { 3894b88c807SRodney W. Grimes char *dest; 3904b88c807SRodney W. Grimes int plen = strlen(p); 3914b88c807SRodney W. Grimes 3924b88c807SRodney W. Grimes STARTSTACKSTR(dest); 3934b88c807SRodney W. Grimes while (*s) { 3944b88c807SRodney W. Grimes if (*s == *p && strncmp(s, p, plen) == 0) { 3954b88c807SRodney W. Grimes while (*r) 3964b88c807SRodney W. Grimes STPUTC(*r++, dest); 3974b88c807SRodney W. Grimes s += plen; 3984b88c807SRodney W. Grimes *p = '\0'; /* so no more matches */ 3994b88c807SRodney W. Grimes } else 4004b88c807SRodney W. Grimes STPUTC(*s++, dest); 4014b88c807SRodney W. Grimes } 4024b88c807SRodney W. Grimes STACKSTRNUL(dest); 4034b88c807SRodney W. Grimes dest = grabstackstr(dest); 4044b88c807SRodney W. Grimes 4054b88c807SRodney W. Grimes return (dest); 4064b88c807SRodney W. Grimes } 4074b88c807SRodney W. Grimes 408aa9caaf6SPeter Wemm int 4092cac6e36SJilles Tjoelker not_fcnumber(const char *s) 4104b88c807SRodney W. Grimes { 411ab0a2172SSteve Price if (s == NULL) 41262730a71SSteve Price return (0); 4134b88c807SRodney W. Grimes if (*s == '-') 4144b88c807SRodney W. Grimes s++; 4154b88c807SRodney W. Grimes return (!is_number(s)); 4164b88c807SRodney W. Grimes } 4174b88c807SRodney W. Grimes 418aa9caaf6SPeter Wemm int 4192cac6e36SJilles Tjoelker str_to_event(const char *str, int last) 4204b88c807SRodney W. Grimes { 421757eeda0SDavid E. O'Brien HistEvent he; 4222cac6e36SJilles Tjoelker const char *s = str; 4234b88c807SRodney W. Grimes int relative = 0; 424757eeda0SDavid E. O'Brien int i, retval; 4254b88c807SRodney W. Grimes 426757eeda0SDavid E. O'Brien retval = history(hist, &he, H_FIRST); 4274b88c807SRodney W. Grimes switch (*s) { 4284b88c807SRodney W. Grimes case '-': 4294b88c807SRodney W. Grimes relative = 1; 4304b88c807SRodney W. Grimes /*FALLTHROUGH*/ 4314b88c807SRodney W. Grimes case '+': 4324b88c807SRodney W. Grimes s++; 4334b88c807SRodney W. Grimes } 4344b88c807SRodney W. Grimes if (is_number(s)) { 4354b88c807SRodney W. Grimes i = atoi(s); 4364b88c807SRodney W. Grimes if (relative) { 437757eeda0SDavid E. O'Brien while (retval != -1 && i--) { 438757eeda0SDavid E. O'Brien retval = history(hist, &he, H_NEXT); 4394b88c807SRodney W. Grimes } 440757eeda0SDavid E. O'Brien if (retval == -1) 441757eeda0SDavid E. O'Brien retval = history(hist, &he, H_LAST); 4424b88c807SRodney W. Grimes } else { 443757eeda0SDavid E. O'Brien retval = history(hist, &he, H_NEXT_EVENT, i); 444757eeda0SDavid E. O'Brien if (retval == -1) { 4454b88c807SRodney W. Grimes /* 4464b88c807SRodney W. Grimes * the notion of first and last is 4474b88c807SRodney W. Grimes * backwards to that of the history package 4484b88c807SRodney W. Grimes */ 449757eeda0SDavid E. O'Brien retval = history(hist, &he, last ? H_FIRST : H_LAST); 4504b88c807SRodney W. Grimes } 4514b88c807SRodney W. Grimes } 452757eeda0SDavid E. O'Brien if (retval == -1) 4534b88c807SRodney W. Grimes error("history number %s not found (internal error)", 4544b88c807SRodney W. Grimes str); 4554b88c807SRodney W. Grimes } else { 4564b88c807SRodney W. Grimes /* 4574b88c807SRodney W. Grimes * pattern 4584b88c807SRodney W. Grimes */ 459757eeda0SDavid E. O'Brien retval = history(hist, &he, H_PREV_STR, str); 460757eeda0SDavid E. O'Brien if (retval == -1) 4614b88c807SRodney W. Grimes error("history pattern not found: %s", str); 4624b88c807SRodney W. Grimes } 463757eeda0SDavid E. O'Brien return (he.num); 4644b88c807SRodney W. Grimes } 465088acf90STim J. Robbins 466088acf90STim J. Robbins int 467088acf90STim J. Robbins bindcmd(int argc, char **argv) 468088acf90STim J. Robbins { 469088acf90STim J. Robbins 470088acf90STim J. Robbins if (el == NULL) 471088acf90STim J. Robbins error("line editing is disabled"); 4727bdc89d7SStefan Farfeleder return (el_parse(el, argc, (const char **)argv)); 473088acf90STim J. Robbins } 474088acf90STim J. Robbins 47562730a71SSteve Price #else 47662730a71SSteve Price #include "error.h" 47762730a71SSteve Price 47862730a71SSteve Price int 4795134c3f7SWarner Losh histcmd(int argc, char **argv) 48062730a71SSteve Price { 48162730a71SSteve Price 48262730a71SSteve Price error("not compiled with history support"); 48362730a71SSteve Price /*NOTREACHED*/ 48462730a71SSteve Price return (0); 48562730a71SSteve Price } 486088acf90STim J. Robbins 487088acf90STim J. Robbins int 488088acf90STim J. Robbins bindcmd(int argc, char **argv) 489088acf90STim J. Robbins { 490088acf90STim J. Robbins 491088acf90STim J. Robbins error("not compiled with line editing support"); 492088acf90STim J. Robbins return (0); 493088acf90STim J. Robbins } 49462730a71SSteve Price #endif 495