17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5ef69670dScf * Common Development and Distribution License (the "License"). 6ef69670dScf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 2103fc8686SGarrett D'Amore /* 22826ac02aSGarrett D'Amore * Copyright 2014 Garrett D'Amore <garrett@damore.org> 23826ac02aSGarrett D'Amore * Copyright 2012 DEY Storage Systems, Inc. 24*7c71d718SRobert Mustacchi * Copyright (c) 2018, Joyent, Inc. 2503fc8686SGarrett D'Amore * 2603fc8686SGarrett D'Amore * Portions of this file developed by DEY Storage Systems, Inc. are licensed 2703fc8686SGarrett D'Amore * under the terms of the Common Development and Distribution License (CDDL) 2803fc8686SGarrett D'Amore * version 1.0 only. The use of subsequent versions of the License are 2903fc8686SGarrett D'Amore * is specifically prohibited unless those terms are not in conflict with 3003fc8686SGarrett D'Amore * version 1.0 of the License. You can find this license on-line at 3103fc8686SGarrett D'Amore * http://www.illumos.org/license/CDDL 3203fc8686SGarrett D'Amore */ 337c478bd9Sstevel@tonic-gate /* 34d2afb7a9Scf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 357c478bd9Sstevel@tonic-gate * Use is subject to license terms. 367c478bd9Sstevel@tonic-gate */ 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 397c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #include <stdio.h> 437c478bd9Sstevel@tonic-gate #include <sys/types.h> 447c478bd9Sstevel@tonic-gate #include <sys/wait.h> 457c478bd9Sstevel@tonic-gate #include <unistd.h> 467c478bd9Sstevel@tonic-gate #include <fcntl.h> 477c478bd9Sstevel@tonic-gate #include <string.h> 487c478bd9Sstevel@tonic-gate #include <stdarg.h> 497c478bd9Sstevel@tonic-gate #include <stdlib.h> 507c478bd9Sstevel@tonic-gate #include <limits.h> 517c478bd9Sstevel@tonic-gate #include <wchar.h> 527c478bd9Sstevel@tonic-gate #include <locale.h> 537c478bd9Sstevel@tonic-gate #include <langinfo.h> 547c478bd9Sstevel@tonic-gate #include <stropts.h> 557c478bd9Sstevel@tonic-gate #include <poll.h> 567c478bd9Sstevel@tonic-gate #include <errno.h> 577c478bd9Sstevel@tonic-gate #include <stdarg.h> 5804427e3bSAndrew Bennett #include <sys/fork.h> 593d63ea05Sas #include "getresponse.h" 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate #define HEAD 0 627c478bd9Sstevel@tonic-gate #define TAIL 1 637c478bd9Sstevel@tonic-gate #define FALSE 0 647c478bd9Sstevel@tonic-gate #define TRUE 1 657c478bd9Sstevel@tonic-gate #define MAXSBUF 255 667c478bd9Sstevel@tonic-gate #define MAXIBUF 512 677c478bd9Sstevel@tonic-gate #define MAXINSERTS 5 687c478bd9Sstevel@tonic-gate #define BUFSIZE LINE_MAX 697c478bd9Sstevel@tonic-gate #define MAXARGS 255 707c478bd9Sstevel@tonic-gate #define INSPAT_STR "{}" /* default replstr string for -[Ii] */ 717c478bd9Sstevel@tonic-gate #define FORK_RETRY 5 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate #define QBUF_STARTLEN 255 /* start size of growable string buffer */ 747c478bd9Sstevel@tonic-gate #define QBUF_INC 100 /* how much to grow a growable string by */ 757c478bd9Sstevel@tonic-gate 7603fc8686SGarrett D'Amore /* We use these macros to help make formatting look "consistent" */ 7703fc8686SGarrett D'Amore #define EMSG(s) ermsg(gettext(s "\n")) 7803fc8686SGarrett D'Amore #define EMSG2(s, a) ermsg(gettext(s "\n"), a) 7903fc8686SGarrett D'Amore #define PERR(s) perror(gettext("xargs: " s)) 8003fc8686SGarrett D'Amore 8103fc8686SGarrett D'Amore /* Some common error messages */ 8203fc8686SGarrett D'Amore 8303fc8686SGarrett D'Amore #define LIST2LONG "Argument list too long" 8403fc8686SGarrett D'Amore #define ARG2LONG "A single argument was greater than %d bytes" 8503fc8686SGarrett D'Amore #define MALLOCFAIL "Memory allocation failure" 8603fc8686SGarrett D'Amore #define CORRUPTFILE "Corrupt input file" 8703fc8686SGarrett D'Amore #define WAITFAIL "Wait failure" 8803fc8686SGarrett D'Amore #define CHILDSIG "Child killed with signal %d" 8903fc8686SGarrett D'Amore #define CHILDFAIL "Command could not continue processing data" 9003fc8686SGarrett D'Amore #define FORKFAIL "Could not fork child" 9103fc8686SGarrett D'Amore #define EXECFAIL "Could not exec command" 9203fc8686SGarrett D'Amore #define MISSQUOTE "Missing quote" 9303fc8686SGarrett D'Amore #define BADESCAPE "Incomplete escape" 9403fc8686SGarrett D'Amore #define IBUFOVERFLOW "Insert buffer overflow" 9504427e3bSAndrew Bennett #define NOCHILDSLOT "No free child slot available" 9603fc8686SGarrett D'Amore 9703fc8686SGarrett D'Amore #define _(x) gettext(x) 9803fc8686SGarrett D'Amore 997c478bd9Sstevel@tonic-gate static wctype_t blank; 1007c478bd9Sstevel@tonic-gate static char *arglist[MAXARGS+1]; 10103fc8686SGarrett D'Amore static char argbuf[BUFSIZE * 2 + 1]; 10203fc8686SGarrett D'Amore static char lastarg[BUFSIZE + 1]; 1037c478bd9Sstevel@tonic-gate static char **ARGV = arglist; 1047c478bd9Sstevel@tonic-gate static char *LEOF = "_"; 1057c478bd9Sstevel@tonic-gate static char *INSPAT = INSPAT_STR; 1067c478bd9Sstevel@tonic-gate static char ins_buf[MAXIBUF]; 1077c478bd9Sstevel@tonic-gate static char *p_ibuf; 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate static struct inserts { 1107c478bd9Sstevel@tonic-gate char **p_ARGV; /* where to put newarg ptr in arg list */ 1117c478bd9Sstevel@tonic-gate char *p_skel; /* ptr to arg template */ 1127c478bd9Sstevel@tonic-gate } saveargv[MAXINSERTS]; 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate static int PROMPT = -1; 1157c478bd9Sstevel@tonic-gate static int BUFLIM = BUFSIZE; 11604427e3bSAndrew Bennett static int MAXPROCS = 1; 1177c478bd9Sstevel@tonic-gate static int N_ARGS = 0; 1187c478bd9Sstevel@tonic-gate static int N_args = 0; 1197c478bd9Sstevel@tonic-gate static int N_lines = 0; 1207c478bd9Sstevel@tonic-gate static int DASHX = FALSE; 1217c478bd9Sstevel@tonic-gate static int MORE = TRUE; 1227c478bd9Sstevel@tonic-gate static int PER_LINE = FALSE; 123826ac02aSGarrett D'Amore static int LINE_CONT = FALSE; 124826ac02aSGarrett D'Amore static int EAT_LEAD = FALSE; 1257c478bd9Sstevel@tonic-gate static int ERR = FALSE; 1267c478bd9Sstevel@tonic-gate static int OK = TRUE; 1277c478bd9Sstevel@tonic-gate static int LEGAL = FALSE; 1287c478bd9Sstevel@tonic-gate static int TRACE = FALSE; 1297c478bd9Sstevel@tonic-gate static int INSERT = FALSE; 13003fc8686SGarrett D'Amore static int ZERO = FALSE; 1317c478bd9Sstevel@tonic-gate static int linesize = 0; 1327c478bd9Sstevel@tonic-gate static int ibufsize = 0; 1337c478bd9Sstevel@tonic-gate static int exitstat = 0; /* our exit status */ 1347c478bd9Sstevel@tonic-gate static int mac; /* modified argc, after parsing */ 1357c478bd9Sstevel@tonic-gate static char **mav; /* modified argv, after parsing */ 1367c478bd9Sstevel@tonic-gate static int n_inserts; /* # of insertions. */ 13704427e3bSAndrew Bennett static pid_t *procs; /* pids of children */ 13804427e3bSAndrew Bennett static int n_procs; /* # of child processes. */ 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate /* our usage message: */ 1411daace1dSGarrett D'Amore #define USAGEMSG "Usage: xargs: [-t] [-p] [-0] [-e[eofstr]] [-E eofstr] "\ 14204427e3bSAndrew Bennett "[-I replstr] [-i[replstr]] [-L #] [-l[#]] [-n # [-x]] [-P maxprocs] "\ 14304427e3bSAndrew Bennett "[-s size] [cmd [args ...]]\n" 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate static int echoargs(); 14603fc8686SGarrett D'Amore static wint_t getwchr(char *, size_t *); 14704427e3bSAndrew Bennett static void lcall(char *sub, char **subargs); 1487c478bd9Sstevel@tonic-gate static void addibuf(struct inserts *p); 1497c478bd9Sstevel@tonic-gate static void ermsg(char *messages, ...); 1507c478bd9Sstevel@tonic-gate static char *addarg(char *arg); 15103fc8686SGarrett D'Amore static void store_str(char **, char *, size_t); 15203fc8686SGarrett D'Amore static char *getarg(char *); 1537c478bd9Sstevel@tonic-gate static char *insert(char *pattern, char *subst); 1547c478bd9Sstevel@tonic-gate static void usage(); 1557c478bd9Sstevel@tonic-gate static void parseargs(); 15604427e3bSAndrew Bennett static int procs_find(pid_t child); 15704427e3bSAndrew Bennett static void procs_store(pid_t child); 15804427e3bSAndrew Bennett static boolean_t procs_delete(pid_t child); 15904427e3bSAndrew Bennett static pid_t procs_waitpid(boolean_t blocking, int *stat_loc); 16004427e3bSAndrew Bennett static void procs_wait(boolean_t blocking); 1617c478bd9Sstevel@tonic-gate 16243a29105Srobbin int 1637c478bd9Sstevel@tonic-gate main(int argc, char **argv) 1647c478bd9Sstevel@tonic-gate { 1657c478bd9Sstevel@tonic-gate int j; 166*7c71d718SRobert Mustacchi long l; 1677c478bd9Sstevel@tonic-gate struct inserts *psave; 1687c478bd9Sstevel@tonic-gate int c; 1697c478bd9Sstevel@tonic-gate int initsize; 17003fc8686SGarrett D'Amore char *cmdname, **initlist; 17103fc8686SGarrett D'Amore char *arg; 17203fc8686SGarrett D'Amore char *next; 17304427e3bSAndrew Bennett char *eptr; 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate /* initialization */ 1767c478bd9Sstevel@tonic-gate blank = wctype("blank"); 1777c478bd9Sstevel@tonic-gate n_inserts = 0; 1787c478bd9Sstevel@tonic-gate psave = saveargv; 1797c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 1807c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */ 1817c478bd9Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */ 1827c478bd9Sstevel@tonic-gate #endif 1837c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 1843d63ea05Sas if (init_yes() < 0) { 18503fc8686SGarrett D'Amore ermsg(_(ERR_MSG_INIT_YES), strerror(errno)); 1867c478bd9Sstevel@tonic-gate exit(1); 1877c478bd9Sstevel@tonic-gate } 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate parseargs(argc, argv); 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate /* handling all of xargs arguments: */ 19204427e3bSAndrew Bennett while ((c = getopt(mac, mav, "0tpe:E:I:i:L:l:n:P:s:x")) != EOF) { 1937c478bd9Sstevel@tonic-gate switch (c) { 19403fc8686SGarrett D'Amore case '0': 19503fc8686SGarrett D'Amore ZERO = TRUE; 19603fc8686SGarrett D'Amore break; 19703fc8686SGarrett D'Amore 1987c478bd9Sstevel@tonic-gate case 't': /* -t: turn trace mode on */ 1997c478bd9Sstevel@tonic-gate TRACE = TRUE; 2007c478bd9Sstevel@tonic-gate break; 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate case 'p': /* -p: turn on prompt mode. */ 2037c478bd9Sstevel@tonic-gate if ((PROMPT = open("/dev/tty", O_RDONLY)) == -1) { 20403fc8686SGarrett D'Amore PERR("can't read from tty for -p"); 2057c478bd9Sstevel@tonic-gate } else { 2067c478bd9Sstevel@tonic-gate TRACE = TRUE; 2077c478bd9Sstevel@tonic-gate } 2087c478bd9Sstevel@tonic-gate break; 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate case 'e': 2117c478bd9Sstevel@tonic-gate /* 2127c478bd9Sstevel@tonic-gate * -e[eofstr]: set/disable end-of-file. 2137c478bd9Sstevel@tonic-gate * N.B. that an argument *isn't* required here; but 2147c478bd9Sstevel@tonic-gate * parseargs forced an argument if not was given. The 2157c478bd9Sstevel@tonic-gate * forced argument is the default... 2167c478bd9Sstevel@tonic-gate */ 2177c478bd9Sstevel@tonic-gate LEOF = optarg; /* can be empty */ 2187c478bd9Sstevel@tonic-gate break; 2197c478bd9Sstevel@tonic-gate 2207c478bd9Sstevel@tonic-gate case 'E': 2217c478bd9Sstevel@tonic-gate /* 2227c478bd9Sstevel@tonic-gate * -E eofstr: change end-of-file string. 223952d685eScf * eofstr *is* required here, but can be empty: 2247c478bd9Sstevel@tonic-gate */ 2257c478bd9Sstevel@tonic-gate LEOF = optarg; 2267c478bd9Sstevel@tonic-gate break; 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate case 'I': 2297c478bd9Sstevel@tonic-gate /* -I replstr: Insert mode. replstr *is* required. */ 230826ac02aSGarrett D'Amore INSERT = PER_LINE = LEGAL = EAT_LEAD = TRUE; 231826ac02aSGarrett D'Amore LINE_CONT = FALSE; 2327c478bd9Sstevel@tonic-gate N_ARGS = 0; 233952d685eScf INSPAT = optarg; 234952d685eScf if (*optarg == '\0') { 23503fc8686SGarrett D'Amore ermsg(_("Option requires an argument: -%c\n"), 23603fc8686SGarrett D'Amore c); 2377c478bd9Sstevel@tonic-gate } 2387c478bd9Sstevel@tonic-gate break; 2397c478bd9Sstevel@tonic-gate 2407c478bd9Sstevel@tonic-gate case 'i': 2417c478bd9Sstevel@tonic-gate /* 2427c478bd9Sstevel@tonic-gate * -i [replstr]: insert mode, with *optional* replstr. 2437c478bd9Sstevel@tonic-gate * N.B. that an argument *isn't* required here; if 2447c478bd9Sstevel@tonic-gate * it's not given, then the string INSPAT_STR will 2457c478bd9Sstevel@tonic-gate * be assumed. 2467c478bd9Sstevel@tonic-gate * 2477c478bd9Sstevel@tonic-gate * Since getopts(3C) doesn't handle the case of an 2487c478bd9Sstevel@tonic-gate * optional variable argument at all, we have to 2497c478bd9Sstevel@tonic-gate * parse this by hand: 2507c478bd9Sstevel@tonic-gate */ 2517c478bd9Sstevel@tonic-gate 252826ac02aSGarrett D'Amore INSERT = PER_LINE = LEGAL = EAT_LEAD = TRUE; 253826ac02aSGarrett D'Amore LINE_CONT = FALSE; 2547c478bd9Sstevel@tonic-gate N_ARGS = 0; 255788f581bSceastha if ((optarg != NULL) && (*optarg != '\0')) { 2567c478bd9Sstevel@tonic-gate INSPAT = optarg; 2577c478bd9Sstevel@tonic-gate } else { 2587c478bd9Sstevel@tonic-gate /* 2597c478bd9Sstevel@tonic-gate * here, there is no next argument. so 2607c478bd9Sstevel@tonic-gate * we reset INSPAT to the INSPAT_STR. 2617c478bd9Sstevel@tonic-gate * we *have* to do this, as -i/I may have 2627c478bd9Sstevel@tonic-gate * been given previously, and XCU4 requires 2637c478bd9Sstevel@tonic-gate * that only "the last one specified takes 2647c478bd9Sstevel@tonic-gate * effect". 2657c478bd9Sstevel@tonic-gate */ 2667c478bd9Sstevel@tonic-gate INSPAT = INSPAT_STR; 2677c478bd9Sstevel@tonic-gate } 2687c478bd9Sstevel@tonic-gate break; 2697c478bd9Sstevel@tonic-gate 2707c478bd9Sstevel@tonic-gate case 'L': 2717c478bd9Sstevel@tonic-gate /* 2727c478bd9Sstevel@tonic-gate * -L number: # of times cmd is executed 2737c478bd9Sstevel@tonic-gate * number *is* required here: 2747c478bd9Sstevel@tonic-gate */ 275826ac02aSGarrett D'Amore PER_LINE = LINE_CONT = TRUE; 2767c478bd9Sstevel@tonic-gate N_ARGS = 0; 277826ac02aSGarrett D'Amore INSERT = EAT_LEAD = FALSE; 278952d685eScf if ((PER_LINE = atoi(optarg)) <= 0) { 27903fc8686SGarrett D'Amore ermsg(_("#lines must be positive int: %s\n"), 28003fc8686SGarrett D'Amore optarg); 2817c478bd9Sstevel@tonic-gate } 2827c478bd9Sstevel@tonic-gate break; 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate case 'l': 2857c478bd9Sstevel@tonic-gate /* 2867c478bd9Sstevel@tonic-gate * -l [number]: # of times cmd is executed 2877c478bd9Sstevel@tonic-gate * N.B. that an argument *isn't* required here; if 2887c478bd9Sstevel@tonic-gate * it's not given, then 1 is assumed. 2897c478bd9Sstevel@tonic-gate * 2907c478bd9Sstevel@tonic-gate * parseargs handles the optional arg processing. 2917c478bd9Sstevel@tonic-gate */ 2927c478bd9Sstevel@tonic-gate 293826ac02aSGarrett D'Amore PER_LINE = LINE_CONT = LEGAL = TRUE; 2947c478bd9Sstevel@tonic-gate N_ARGS = 0; 295826ac02aSGarrett D'Amore INSERT = EAT_LEAD = FALSE; 2967c478bd9Sstevel@tonic-gate 297788f581bSceastha if ((optarg != NULL) && (*optarg != '\0')) { 2987c478bd9Sstevel@tonic-gate if ((PER_LINE = atoi(optarg)) <= 0) 2997c478bd9Sstevel@tonic-gate PER_LINE = 1; 3007c478bd9Sstevel@tonic-gate } 3017c478bd9Sstevel@tonic-gate break; 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate case 'n': /* -n number: # stdin args */ 3047c478bd9Sstevel@tonic-gate /* 3057c478bd9Sstevel@tonic-gate * -n number: # stdin args. 3067c478bd9Sstevel@tonic-gate * number *is* required here: 3077c478bd9Sstevel@tonic-gate */ 308952d685eScf if ((N_ARGS = atoi(optarg)) <= 0) { 30903fc8686SGarrett D'Amore ermsg(_("#args must be positive int: %s\n"), 31003fc8686SGarrett D'Amore optarg); 3117c478bd9Sstevel@tonic-gate } else { 3127c478bd9Sstevel@tonic-gate LEGAL = DASHX || N_ARGS == 1; 313826ac02aSGarrett D'Amore INSERT = PER_LINE = LINE_CONT = FALSE; 3147c478bd9Sstevel@tonic-gate } 3157c478bd9Sstevel@tonic-gate break; 3167c478bd9Sstevel@tonic-gate 31704427e3bSAndrew Bennett case 'P': /* -P maxprocs: # of child processses */ 31804427e3bSAndrew Bennett errno = 0; 319*7c71d718SRobert Mustacchi l = strtol(optarg, &eptr, 10); 32004427e3bSAndrew Bennett if (*eptr != '\0' || errno != 0) { 32104427e3bSAndrew Bennett ermsg(_("failed to parse maxprocs (-P): %s\n"), 32204427e3bSAndrew Bennett optarg); 32304427e3bSAndrew Bennett break; 32404427e3bSAndrew Bennett } 32504427e3bSAndrew Bennett 326*7c71d718SRobert Mustacchi if (l < 0) { 327*7c71d718SRobert Mustacchi ermsg(_("maximum number of processes (-P) " 328*7c71d718SRobert Mustacchi "cannot be negative\n")); 329*7c71d718SRobert Mustacchi break; 330*7c71d718SRobert Mustacchi } 331*7c71d718SRobert Mustacchi 33204427e3bSAndrew Bennett /* 33304427e3bSAndrew Bennett * Come up with an upper bound that'll probably fit in 33404427e3bSAndrew Bennett * memory. 33504427e3bSAndrew Bennett */ 33604427e3bSAndrew Bennett if (l == 0 || l > ((INT_MAX / sizeof (pid_t) >> 1))) { 33704427e3bSAndrew Bennett l = INT_MAX / sizeof (pid_t) >> 1; 33804427e3bSAndrew Bennett } 33904427e3bSAndrew Bennett MAXPROCS = (int)l; 34004427e3bSAndrew Bennett break; 34104427e3bSAndrew Bennett 3427c478bd9Sstevel@tonic-gate case 's': /* -s size: set max size of each arg list */ 343952d685eScf BUFLIM = atoi(optarg); 344952d685eScf if (BUFLIM > BUFSIZE || BUFLIM <= 0) { 34503fc8686SGarrett D'Amore ermsg(_("0 < max-cmd-line-size <= %d: %s\n"), 34603fc8686SGarrett D'Amore BUFSIZE, optarg); 3477c478bd9Sstevel@tonic-gate } 3487c478bd9Sstevel@tonic-gate break; 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate case 'x': /* -x: terminate if args > size limit */ 3517c478bd9Sstevel@tonic-gate DASHX = LEGAL = TRUE; 3527c478bd9Sstevel@tonic-gate break; 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate default: 3557c478bd9Sstevel@tonic-gate /* 3567c478bd9Sstevel@tonic-gate * bad argument. complain and get ready to die. 3577c478bd9Sstevel@tonic-gate */ 3587c478bd9Sstevel@tonic-gate usage(); 3597c478bd9Sstevel@tonic-gate exit(2); 3607c478bd9Sstevel@tonic-gate break; 3617c478bd9Sstevel@tonic-gate } 3627c478bd9Sstevel@tonic-gate } 3637c478bd9Sstevel@tonic-gate 3647c478bd9Sstevel@tonic-gate /* 3657c478bd9Sstevel@tonic-gate * if anything called ermsg(), something screwed up, so 3667c478bd9Sstevel@tonic-gate * we exit early. 3677c478bd9Sstevel@tonic-gate */ 3687c478bd9Sstevel@tonic-gate if (OK == FALSE) { 3697c478bd9Sstevel@tonic-gate usage(); 3707c478bd9Sstevel@tonic-gate exit(2); 3717c478bd9Sstevel@tonic-gate } 3727c478bd9Sstevel@tonic-gate 3737c478bd9Sstevel@tonic-gate /* 3747c478bd9Sstevel@tonic-gate * we're finished handling xargs's options, so now pick up 3757c478bd9Sstevel@tonic-gate * the command name (if any), and it's options. 3767c478bd9Sstevel@tonic-gate */ 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate mac -= optind; /* dec arg count by what we've processed */ 3807c478bd9Sstevel@tonic-gate mav += optind; /* inc to current mav */ 3817c478bd9Sstevel@tonic-gate 38204427e3bSAndrew Bennett procs = calloc(MAXPROCS, sizeof (pid_t)); 38304427e3bSAndrew Bennett if (procs == NULL) { 38404427e3bSAndrew Bennett PERR(MALLOCFAIL); 38504427e3bSAndrew Bennett exit(1); 38604427e3bSAndrew Bennett } 38704427e3bSAndrew Bennett 3887c478bd9Sstevel@tonic-gate if (mac <= 0) { /* if there're no more args to process, */ 3897c478bd9Sstevel@tonic-gate cmdname = "/usr/bin/echo"; /* our default command */ 3907c478bd9Sstevel@tonic-gate *ARGV++ = addarg(cmdname); /* use the default cmd. */ 3917c478bd9Sstevel@tonic-gate } else { /* otherwise keep parsing rest of the string. */ 3927c478bd9Sstevel@tonic-gate /* 3937c478bd9Sstevel@tonic-gate * note that we can't use getopts(3C), and *must* parse 3947c478bd9Sstevel@tonic-gate * this by hand, as we don't know apriori what options the 3957c478bd9Sstevel@tonic-gate * command will take. 3967c478bd9Sstevel@tonic-gate */ 3977c478bd9Sstevel@tonic-gate cmdname = *mav; /* get the command name */ 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate 4007c478bd9Sstevel@tonic-gate /* pick up the remaining args from the command line: */ 4017c478bd9Sstevel@tonic-gate while ((OK == TRUE) && (mac-- > 0)) { 4027c478bd9Sstevel@tonic-gate /* 4037c478bd9Sstevel@tonic-gate * while we haven't crapped out, and there's 4047c478bd9Sstevel@tonic-gate * work to do: 4057c478bd9Sstevel@tonic-gate */ 4067c478bd9Sstevel@tonic-gate if (INSERT && ! ERR) { 40703fc8686SGarrett D'Amore if (strstr(*mav, INSPAT) != NULL) { 4087c478bd9Sstevel@tonic-gate if (++n_inserts > MAXINSERTS) { 40903fc8686SGarrett D'Amore ermsg(_("too many args " 4107c478bd9Sstevel@tonic-gate "with %s\n"), INSPAT); 4117c478bd9Sstevel@tonic-gate ERR = TRUE; 4127c478bd9Sstevel@tonic-gate } 4137c478bd9Sstevel@tonic-gate psave->p_ARGV = ARGV; 4147c478bd9Sstevel@tonic-gate (psave++)->p_skel = *mav; 4157c478bd9Sstevel@tonic-gate } 4167c478bd9Sstevel@tonic-gate } 4177c478bd9Sstevel@tonic-gate *ARGV++ = addarg(*mav++); 4187c478bd9Sstevel@tonic-gate } 4197c478bd9Sstevel@tonic-gate } 4207c478bd9Sstevel@tonic-gate 4217c478bd9Sstevel@tonic-gate /* pick up args from standard input */ 4227c478bd9Sstevel@tonic-gate 4237c478bd9Sstevel@tonic-gate initlist = ARGV; 4247c478bd9Sstevel@tonic-gate initsize = linesize; 42503fc8686SGarrett D'Amore lastarg[0] = '\0'; 4267c478bd9Sstevel@tonic-gate 42703fc8686SGarrett D'Amore while (OK) { 4287c478bd9Sstevel@tonic-gate N_args = 0; 4297c478bd9Sstevel@tonic-gate N_lines = 0; 4307c478bd9Sstevel@tonic-gate ARGV = initlist; 4317c478bd9Sstevel@tonic-gate linesize = initsize; 43203fc8686SGarrett D'Amore next = argbuf; 43303fc8686SGarrett D'Amore 43403fc8686SGarrett D'Amore while (MORE || (lastarg[0] != '\0')) { 43503fc8686SGarrett D'Amore int l; 43603fc8686SGarrett D'Amore 43703fc8686SGarrett D'Amore if (*lastarg != '\0') { 43803fc8686SGarrett D'Amore arg = strcpy(next, lastarg); 43903fc8686SGarrett D'Amore *lastarg = '\0'; 44003fc8686SGarrett D'Amore } else if ((arg = getarg(next)) == NULL) { 44103fc8686SGarrett D'Amore break; 44203fc8686SGarrett D'Amore } 44303fc8686SGarrett D'Amore 44403fc8686SGarrett D'Amore l = strlen(arg) + 1; 44503fc8686SGarrett D'Amore linesize += l; 44603fc8686SGarrett D'Amore next += l; 44703fc8686SGarrett D'Amore 44803fc8686SGarrett D'Amore /* Inserts are handled specially later. */ 44903fc8686SGarrett D'Amore if ((n_inserts == 0) && (linesize >= BUFLIM)) { 45003fc8686SGarrett D'Amore /* 45103fc8686SGarrett D'Amore * Legal indicates hard fail if the list is 45203fc8686SGarrett D'Amore * truncated due to size. So fail, or if we 45303fc8686SGarrett D'Amore * cannot create any list because it would be 45403fc8686SGarrett D'Amore * too big. 45503fc8686SGarrett D'Amore */ 45603fc8686SGarrett D'Amore if (LEGAL || N_args == 0) { 45703fc8686SGarrett D'Amore EMSG(LIST2LONG); 45804427e3bSAndrew Bennett procs_wait(B_TRUE); 45903fc8686SGarrett D'Amore exit(2); 46003fc8686SGarrett D'Amore /* NOTREACHED */ 46103fc8686SGarrett D'Amore } 46203fc8686SGarrett D'Amore 46303fc8686SGarrett D'Amore /* 46403fc8686SGarrett D'Amore * Otherwise just save argument for later. 46503fc8686SGarrett D'Amore */ 46603fc8686SGarrett D'Amore (void) strcpy(lastarg, arg); 46703fc8686SGarrett D'Amore break; 46803fc8686SGarrett D'Amore } 46903fc8686SGarrett D'Amore 47003fc8686SGarrett D'Amore *ARGV++ = arg; 47103fc8686SGarrett D'Amore 47203fc8686SGarrett D'Amore N_args++; 47303fc8686SGarrett D'Amore 474826ac02aSGarrett D'Amore if ((PER_LINE && (N_lines >= PER_LINE)) || 475826ac02aSGarrett D'Amore (N_ARGS && (N_args >= N_ARGS))) { 47603fc8686SGarrett D'Amore break; 47703fc8686SGarrett D'Amore } 47803fc8686SGarrett D'Amore 4797c478bd9Sstevel@tonic-gate 480a035dc19Scf if ((ARGV - arglist) == MAXARGS) { 481a035dc19Scf break; 482a035dc19Scf } 483a035dc19Scf } 48403fc8686SGarrett D'Amore 48503fc8686SGarrett D'Amore *ARGV = NULL; 48603fc8686SGarrett D'Amore if (N_args == 0) { 48703fc8686SGarrett D'Amore /* Reached the end with no more work. */ 48804427e3bSAndrew Bennett break; 489a035dc19Scf } 4907c478bd9Sstevel@tonic-gate 4917c478bd9Sstevel@tonic-gate /* insert arg if requested */ 4927c478bd9Sstevel@tonic-gate 4937c478bd9Sstevel@tonic-gate if (!ERR && INSERT) { 49403fc8686SGarrett D'Amore 4957c478bd9Sstevel@tonic-gate p_ibuf = ins_buf; 4967c478bd9Sstevel@tonic-gate ARGV--; 4977c478bd9Sstevel@tonic-gate j = ibufsize = 0; 4987c478bd9Sstevel@tonic-gate for (psave = saveargv; ++j <= n_inserts; ++psave) { 4997c478bd9Sstevel@tonic-gate addibuf(psave); 5007c478bd9Sstevel@tonic-gate if (ERR) 5017c478bd9Sstevel@tonic-gate break; 5027c478bd9Sstevel@tonic-gate } 5037c478bd9Sstevel@tonic-gate } 50403fc8686SGarrett D'Amore *ARGV = NULL; 5057c478bd9Sstevel@tonic-gate 5067c478bd9Sstevel@tonic-gate if (n_inserts > 0) { 5077c478bd9Sstevel@tonic-gate /* 5087c478bd9Sstevel@tonic-gate * if we've done any insertions, re-calculate the 5097c478bd9Sstevel@tonic-gate * linesize. bomb out if we've exceeded our length. 5107c478bd9Sstevel@tonic-gate */ 51103fc8686SGarrett D'Amore linesize = 0; 5127c478bd9Sstevel@tonic-gate for (ARGV = arglist; *ARGV != NULL; ARGV++) { 51303fc8686SGarrett D'Amore linesize += strlen(*ARGV) + 1; 51403fc8686SGarrett D'Amore } 51503fc8686SGarrett D'Amore if (linesize >= BUFLIM) { 51603fc8686SGarrett D'Amore EMSG(LIST2LONG); 51704427e3bSAndrew Bennett procs_wait(B_TRUE); 51803fc8686SGarrett D'Amore exit(2); 51903fc8686SGarrett D'Amore /* NOTREACHED */ 5207c478bd9Sstevel@tonic-gate } 5217c478bd9Sstevel@tonic-gate } 5227c478bd9Sstevel@tonic-gate 5237c478bd9Sstevel@tonic-gate /* exec command */ 5247c478bd9Sstevel@tonic-gate 5257c478bd9Sstevel@tonic-gate if (!ERR) { 5267c478bd9Sstevel@tonic-gate if (!MORE && 5277c478bd9Sstevel@tonic-gate (PER_LINE && N_lines == 0 || N_ARGS && N_args == 0)) 5287c478bd9Sstevel@tonic-gate exit(exitstat); 5297c478bd9Sstevel@tonic-gate OK = TRUE; 5307c478bd9Sstevel@tonic-gate j = TRACE ? echoargs() : TRUE; 5317c478bd9Sstevel@tonic-gate if (j) { 5327c478bd9Sstevel@tonic-gate /* 5337c478bd9Sstevel@tonic-gate * for xcu4, all invocations of cmdname must 5347c478bd9Sstevel@tonic-gate * return 0, in order for us to return 0. 5357c478bd9Sstevel@tonic-gate * so if we have a non-zero status here, 5367c478bd9Sstevel@tonic-gate * quit immediately. 5377c478bd9Sstevel@tonic-gate */ 53804427e3bSAndrew Bennett (void) lcall(cmdname, arglist); 5397c478bd9Sstevel@tonic-gate } 5407c478bd9Sstevel@tonic-gate } 5417c478bd9Sstevel@tonic-gate } 5427c478bd9Sstevel@tonic-gate 54304427e3bSAndrew Bennett procs_wait(B_TRUE); 54404427e3bSAndrew Bennett 54503fc8686SGarrett D'Amore if (OK) 54643a29105Srobbin return (exitstat); 5477c478bd9Sstevel@tonic-gate 54803fc8686SGarrett D'Amore /* 54903fc8686SGarrett D'Amore * if exitstat was set, to match XCU4 complience, 55003fc8686SGarrett D'Amore * return that value, otherwise, return 1. 55103fc8686SGarrett D'Amore */ 55203fc8686SGarrett D'Amore return (exitstat ? exitstat : 1); 5537c478bd9Sstevel@tonic-gate } 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate static char * 5567c478bd9Sstevel@tonic-gate addarg(char *arg) 5577c478bd9Sstevel@tonic-gate { 55803fc8686SGarrett D'Amore linesize += (strlen(arg) + 1); 55903fc8686SGarrett D'Amore return (arg); 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate 5627c478bd9Sstevel@tonic-gate 56303fc8686SGarrett D'Amore static void 56403fc8686SGarrett D'Amore store_str(char **buffer, char *str, size_t len) 56503fc8686SGarrett D'Amore { 56603fc8686SGarrett D'Amore (void) memcpy(*buffer, str, len); 56703fc8686SGarrett D'Amore (*buffer)[len] = '\0'; 56803fc8686SGarrett D'Amore *buffer += len; 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate 57103fc8686SGarrett D'Amore 5727c478bd9Sstevel@tonic-gate static char * 57303fc8686SGarrett D'Amore getarg(char *arg) 5747c478bd9Sstevel@tonic-gate { 57503fc8686SGarrett D'Amore char *xarg = arg; 576826ac02aSGarrett D'Amore wchar_t c = 0; 5777c478bd9Sstevel@tonic-gate char mbc[MB_LEN_MAX]; 57803fc8686SGarrett D'Amore size_t len; 57903fc8686SGarrett D'Amore int escape = 0; 58003fc8686SGarrett D'Amore int inquote = 0; 581826ac02aSGarrett D'Amore int last = 0; 5827c478bd9Sstevel@tonic-gate 58303fc8686SGarrett D'Amore arg[0] = '\0'; 5847c478bd9Sstevel@tonic-gate 58503fc8686SGarrett D'Amore while (MORE) { 5867c478bd9Sstevel@tonic-gate 58703fc8686SGarrett D'Amore len = 0; 588826ac02aSGarrett D'Amore last = c; 58903fc8686SGarrett D'Amore c = getwchr(mbc, &len); 5907c478bd9Sstevel@tonic-gate 59103fc8686SGarrett D'Amore if (((arg - xarg) + len) > BUFLIM) { 59203fc8686SGarrett D'Amore EMSG2(ARG2LONG, BUFLIM); 59303fc8686SGarrett D'Amore exit(2); 59403fc8686SGarrett D'Amore ERR = TRUE; 5957c478bd9Sstevel@tonic-gate return (NULL); 5967c478bd9Sstevel@tonic-gate } 5977c478bd9Sstevel@tonic-gate 59803fc8686SGarrett D'Amore switch (c) { 59903fc8686SGarrett D'Amore case '\n': 60003fc8686SGarrett D'Amore if (ZERO) { 60103fc8686SGarrett D'Amore store_str(&arg, mbc, len); 6027c478bd9Sstevel@tonic-gate continue; 6037c478bd9Sstevel@tonic-gate } 604826ac02aSGarrett D'Amore /* 605826ac02aSGarrett D'Amore * NB: Some other versions rip off all of the trailing 606826ac02aSGarrett D'Amore * blanks. The spec only claims that this should 607826ac02aSGarrett D'Amore * be done for a single blank. We follow the spec. 608826ac02aSGarrett D'Amore */ 609826ac02aSGarrett D'Amore if (LINE_CONT && iswctype(last, blank)) { 610826ac02aSGarrett D'Amore len = 0; 611826ac02aSGarrett D'Amore *arg = 0; 612826ac02aSGarrett D'Amore continue; 613826ac02aSGarrett D'Amore } 61403fc8686SGarrett D'Amore /* FALLTHRU */ 6157c478bd9Sstevel@tonic-gate 61603fc8686SGarrett D'Amore case '\0': 61703fc8686SGarrett D'Amore case WEOF: /* Note WEOF == EOF */ 6187c478bd9Sstevel@tonic-gate 61903fc8686SGarrett D'Amore if (escape) { 62003fc8686SGarrett D'Amore EMSG(BADESCAPE); 62103fc8686SGarrett D'Amore ERR = TRUE; 62203fc8686SGarrett D'Amore return (NULL); 6237c478bd9Sstevel@tonic-gate } 6247c478bd9Sstevel@tonic-gate if (inquote) { 62503fc8686SGarrett D'Amore EMSG(MISSQUOTE); 6267c478bd9Sstevel@tonic-gate ERR = TRUE; 62703fc8686SGarrett D'Amore return (NULL); 6287c478bd9Sstevel@tonic-gate } 6297c478bd9Sstevel@tonic-gate 6307c478bd9Sstevel@tonic-gate N_lines++; 63103fc8686SGarrett D'Amore break; 6327c478bd9Sstevel@tonic-gate 6337c478bd9Sstevel@tonic-gate case '"': 63403fc8686SGarrett D'Amore if (ZERO || escape || (inquote == 1)) { 63503fc8686SGarrett D'Amore /* treat it literally */ 63603fc8686SGarrett D'Amore escape = 0; 63703fc8686SGarrett D'Amore store_str(&arg, mbc, len); 63803fc8686SGarrett D'Amore 63903fc8686SGarrett D'Amore } else if (inquote == 2) { 64003fc8686SGarrett D'Amore /* terminating double quote */ 6417c478bd9Sstevel@tonic-gate inquote = 0; 64203fc8686SGarrett D'Amore 64303fc8686SGarrett D'Amore } else { 64403fc8686SGarrett D'Amore /* starting quoted string */ 6457c478bd9Sstevel@tonic-gate inquote = 2; 64603fc8686SGarrett D'Amore } 64703fc8686SGarrett D'Amore continue; 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate case '\'': 65003fc8686SGarrett D'Amore if (ZERO || escape || (inquote == 2)) { 65103fc8686SGarrett D'Amore /* treat it literally */ 65203fc8686SGarrett D'Amore escape = 0; 65303fc8686SGarrett D'Amore store_str(&arg, mbc, len); 65403fc8686SGarrett D'Amore 65503fc8686SGarrett D'Amore } else if (inquote == 1) { 65603fc8686SGarrett D'Amore /* terminating single quote */ 6577c478bd9Sstevel@tonic-gate inquote = 0; 65803fc8686SGarrett D'Amore 65903fc8686SGarrett D'Amore } else { 66003fc8686SGarrett D'Amore /* starting quoted string */ 6617c478bd9Sstevel@tonic-gate inquote = 1; 66203fc8686SGarrett D'Amore } 66303fc8686SGarrett D'Amore continue; 6647c478bd9Sstevel@tonic-gate 66503fc8686SGarrett D'Amore case '\\': 666d2afb7a9Scf /* 667d2afb7a9Scf * Any unquoted character can be escaped by 668d2afb7a9Scf * preceding it with a backslash. 669d2afb7a9Scf */ 67003fc8686SGarrett D'Amore if (ZERO || inquote || escape) { 67103fc8686SGarrett D'Amore escape = 0; 67203fc8686SGarrett D'Amore store_str(&arg, mbc, len); 67303fc8686SGarrett D'Amore } else { 67403fc8686SGarrett D'Amore escape = 1; 675d2afb7a9Scf } 67603fc8686SGarrett D'Amore continue; 6777c478bd9Sstevel@tonic-gate 6787c478bd9Sstevel@tonic-gate default: 67903fc8686SGarrett D'Amore /* most times we will just want to store it */ 68003fc8686SGarrett D'Amore if (inquote || escape || ZERO || !iswctype(c, blank)) { 68103fc8686SGarrett D'Amore escape = 0; 68203fc8686SGarrett D'Amore store_str(&arg, mbc, len); 68303fc8686SGarrett D'Amore continue; 6847c478bd9Sstevel@tonic-gate } 685826ac02aSGarrett D'Amore if (EAT_LEAD && last == 0) { 686826ac02aSGarrett D'Amore c = 0; /* Roll it back */ 687826ac02aSGarrett D'Amore continue; 688826ac02aSGarrett D'Amore } 689826ac02aSGarrett D'Amore if (PER_LINE) { 690826ac02aSGarrett D'Amore store_str(&arg, mbc, len); 691826ac02aSGarrett D'Amore continue; 692826ac02aSGarrett D'Amore } 693826ac02aSGarrett D'Amore 694826ac02aSGarrett D'Amore /* unquoted blank without special handling */ 6957c478bd9Sstevel@tonic-gate break; 6967c478bd9Sstevel@tonic-gate } 69703fc8686SGarrett D'Amore 69803fc8686SGarrett D'Amore /* 69903fc8686SGarrett D'Amore * At this point we are processing a complete argument. 70003fc8686SGarrett D'Amore */ 70103fc8686SGarrett D'Amore if (strcmp(xarg, LEOF) == 0 && *LEOF != '\0') { 70203fc8686SGarrett D'Amore MORE = FALSE; 70303fc8686SGarrett D'Amore return (NULL); 70403fc8686SGarrett D'Amore } 70503fc8686SGarrett D'Amore if (c == WEOF) { 70603fc8686SGarrett D'Amore MORE = FALSE; 70703fc8686SGarrett D'Amore } 70803fc8686SGarrett D'Amore if (xarg[0] == '\0') 70903fc8686SGarrett D'Amore continue; 71003fc8686SGarrett D'Amore break; 7117c478bd9Sstevel@tonic-gate } 7127c478bd9Sstevel@tonic-gate 71303fc8686SGarrett D'Amore return (xarg[0] == '\0' ? NULL : xarg); 71403fc8686SGarrett D'Amore } 7157c478bd9Sstevel@tonic-gate 7167c478bd9Sstevel@tonic-gate /* 7177c478bd9Sstevel@tonic-gate * ermsg(): print out an error message, and indicate failure globally. 7187c478bd9Sstevel@tonic-gate * 7197c478bd9Sstevel@tonic-gate * Assumes that message has already been gettext()'d. It would be 7207c478bd9Sstevel@tonic-gate * nice if we could just do the gettext() here, but we can't, since 7217c478bd9Sstevel@tonic-gate * since xgettext(1M) wouldn't be able to pick up our error message. 7227c478bd9Sstevel@tonic-gate */ 7237c478bd9Sstevel@tonic-gate /* PRINTFLIKE1 */ 7247c478bd9Sstevel@tonic-gate static void 7257c478bd9Sstevel@tonic-gate ermsg(char *messages, ...) 7267c478bd9Sstevel@tonic-gate { 7277c478bd9Sstevel@tonic-gate va_list ap; 7287c478bd9Sstevel@tonic-gate 7297c478bd9Sstevel@tonic-gate va_start(ap, messages); 7307c478bd9Sstevel@tonic-gate 7317c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "xargs: "); 7327c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, messages, ap); 7337c478bd9Sstevel@tonic-gate 7347c478bd9Sstevel@tonic-gate va_end(ap); 7357c478bd9Sstevel@tonic-gate OK = FALSE; 7367c478bd9Sstevel@tonic-gate } 7377c478bd9Sstevel@tonic-gate 7387c478bd9Sstevel@tonic-gate static int 7397c478bd9Sstevel@tonic-gate echoargs() 7407c478bd9Sstevel@tonic-gate { 7417c478bd9Sstevel@tonic-gate char **anarg; 7427c478bd9Sstevel@tonic-gate char **tanarg; /* tmp ptr */ 7437c478bd9Sstevel@tonic-gate int i; 7447c478bd9Sstevel@tonic-gate char reply[LINE_MAX]; 7457c478bd9Sstevel@tonic-gate 7467c478bd9Sstevel@tonic-gate tanarg = anarg = arglist-1; 7477c478bd9Sstevel@tonic-gate 7487c478bd9Sstevel@tonic-gate /* 7497c478bd9Sstevel@tonic-gate * write out each argument, separated by a space. the tanarg 7507c478bd9Sstevel@tonic-gate * nonsense is for xcu4 testsuite compliance - so that an 7517c478bd9Sstevel@tonic-gate * extra space isn't echoed after the last argument. 7527c478bd9Sstevel@tonic-gate */ 7537c478bd9Sstevel@tonic-gate while (*++anarg) { /* while there's an argument */ 7547c478bd9Sstevel@tonic-gate ++tanarg; /* follow anarg */ 7557c478bd9Sstevel@tonic-gate (void) write(2, *anarg, strlen(*anarg)); 7567c478bd9Sstevel@tonic-gate 7577c478bd9Sstevel@tonic-gate if (*++tanarg) { /* if there's another argument: */ 7587c478bd9Sstevel@tonic-gate (void) write(2, " ", 1); /* add a space */ 7597c478bd9Sstevel@tonic-gate --tanarg; /* reset back to anarg */ 7607c478bd9Sstevel@tonic-gate } 7617c478bd9Sstevel@tonic-gate } 7627c478bd9Sstevel@tonic-gate if (PROMPT == -1) { 7637c478bd9Sstevel@tonic-gate (void) write(2, "\n", 1); 7647c478bd9Sstevel@tonic-gate return (TRUE); 7657c478bd9Sstevel@tonic-gate } 7667c478bd9Sstevel@tonic-gate 7677c478bd9Sstevel@tonic-gate (void) write(2, "?...", 4); /* ask the user for input */ 7687c478bd9Sstevel@tonic-gate 7697c478bd9Sstevel@tonic-gate for (i = 0; i < LINE_MAX && read(PROMPT, &reply[i], 1) > 0; i++) { 7707c478bd9Sstevel@tonic-gate if (reply[i] == '\n') { 7717c478bd9Sstevel@tonic-gate if (i == 0) 7727c478bd9Sstevel@tonic-gate return (FALSE); 7737c478bd9Sstevel@tonic-gate break; 7747c478bd9Sstevel@tonic-gate } 7757c478bd9Sstevel@tonic-gate } 7767c478bd9Sstevel@tonic-gate reply[i] = 0; 7777c478bd9Sstevel@tonic-gate 7787c478bd9Sstevel@tonic-gate /* flush remainder of line if necessary */ 7797c478bd9Sstevel@tonic-gate if (i == LINE_MAX) { 7807c478bd9Sstevel@tonic-gate char bitbucket; 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate while ((read(PROMPT, &bitbucket, 1) > 0) && (bitbucket != '\n')) 7837c478bd9Sstevel@tonic-gate ; 7847c478bd9Sstevel@tonic-gate } 7857c478bd9Sstevel@tonic-gate 7863d63ea05Sas return (yes_check(reply)); 7877c478bd9Sstevel@tonic-gate } 7887c478bd9Sstevel@tonic-gate 7897c478bd9Sstevel@tonic-gate 7907c478bd9Sstevel@tonic-gate static char * 7917c478bd9Sstevel@tonic-gate insert(char *pattern, char *subst) 7927c478bd9Sstevel@tonic-gate { 7937c478bd9Sstevel@tonic-gate static char buffer[MAXSBUF+1]; 7947c478bd9Sstevel@tonic-gate int len, ipatlen; 7957c478bd9Sstevel@tonic-gate char *pat; 7967c478bd9Sstevel@tonic-gate char *bufend; 7977c478bd9Sstevel@tonic-gate char *pbuf; 7987c478bd9Sstevel@tonic-gate 7997c478bd9Sstevel@tonic-gate len = strlen(subst); 8007c478bd9Sstevel@tonic-gate ipatlen = strlen(INSPAT) - 1; 8017c478bd9Sstevel@tonic-gate pat = pattern - 1; 8027c478bd9Sstevel@tonic-gate pbuf = buffer; 8037c478bd9Sstevel@tonic-gate bufend = &buffer[MAXSBUF]; 8047c478bd9Sstevel@tonic-gate 8057c478bd9Sstevel@tonic-gate while (*++pat) { 806826ac02aSGarrett D'Amore if (strncmp(pat, INSPAT, ipatlen + 1) == 0) { 8077c478bd9Sstevel@tonic-gate if (pbuf + len >= bufend) { 8087c478bd9Sstevel@tonic-gate break; 8097c478bd9Sstevel@tonic-gate } else { 8107c478bd9Sstevel@tonic-gate (void) strcpy(pbuf, subst); 8117c478bd9Sstevel@tonic-gate pat += ipatlen; 8127c478bd9Sstevel@tonic-gate pbuf += len; 8137c478bd9Sstevel@tonic-gate } 8147c478bd9Sstevel@tonic-gate } else { 8157c478bd9Sstevel@tonic-gate *pbuf++ = *pat; 8167c478bd9Sstevel@tonic-gate if (pbuf >= bufend) 8177c478bd9Sstevel@tonic-gate break; 8187c478bd9Sstevel@tonic-gate } 8197c478bd9Sstevel@tonic-gate } 8207c478bd9Sstevel@tonic-gate 8217c478bd9Sstevel@tonic-gate if (!*pat) { 8227c478bd9Sstevel@tonic-gate *pbuf = '\0'; 8237c478bd9Sstevel@tonic-gate return (buffer); 8247c478bd9Sstevel@tonic-gate } else { 8257c478bd9Sstevel@tonic-gate ermsg(gettext("Maximum argument size with insertion via %s's " 8267c478bd9Sstevel@tonic-gate "exceeded\n"), INSPAT); 8277c478bd9Sstevel@tonic-gate ERR = TRUE; 82803fc8686SGarrett D'Amore return (NULL); 8297c478bd9Sstevel@tonic-gate } 8307c478bd9Sstevel@tonic-gate } 8317c478bd9Sstevel@tonic-gate 8327c478bd9Sstevel@tonic-gate 8337c478bd9Sstevel@tonic-gate static void 8347c478bd9Sstevel@tonic-gate addibuf(struct inserts *p) 8357c478bd9Sstevel@tonic-gate { 8367c478bd9Sstevel@tonic-gate char *newarg, *skel, *sub; 8377c478bd9Sstevel@tonic-gate int l; 8387c478bd9Sstevel@tonic-gate 8397c478bd9Sstevel@tonic-gate skel = p->p_skel; 8407c478bd9Sstevel@tonic-gate sub = *ARGV; 8417c478bd9Sstevel@tonic-gate newarg = insert(skel, sub); 8427c478bd9Sstevel@tonic-gate if (ERR) 843788f581bSceastha return; 8447c478bd9Sstevel@tonic-gate 84503fc8686SGarrett D'Amore l = strlen(newarg) + 1; 84603fc8686SGarrett D'Amore if ((ibufsize += l) > MAXIBUF) { 84703fc8686SGarrett D'Amore EMSG(IBUFOVERFLOW); 84803fc8686SGarrett D'Amore ERR = TRUE; 8497c478bd9Sstevel@tonic-gate } 85003fc8686SGarrett D'Amore (void) strcpy(p_ibuf, newarg); 85103fc8686SGarrett D'Amore *(p->p_ARGV) = p_ibuf; 85203fc8686SGarrett D'Amore p_ibuf += l; 8537c478bd9Sstevel@tonic-gate } 8547c478bd9Sstevel@tonic-gate 8557c478bd9Sstevel@tonic-gate 8567c478bd9Sstevel@tonic-gate /* 85703fc8686SGarrett D'Amore * getwchr(): get the next wide character. 8587c478bd9Sstevel@tonic-gate * description: 85903fc8686SGarrett D'Amore * we get the next character from stdin. This returns WEOF if no 86003fc8686SGarrett D'Amore * character is present. If ZERO is set, it gets a single byte instead 86103fc8686SGarrett D'Amore * a wide character. 8627c478bd9Sstevel@tonic-gate */ 86303fc8686SGarrett D'Amore static wint_t 86403fc8686SGarrett D'Amore getwchr(char *mbc, size_t *sz) 8657c478bd9Sstevel@tonic-gate { 86603fc8686SGarrett D'Amore size_t i; 86703fc8686SGarrett D'Amore int c; 86803fc8686SGarrett D'Amore wchar_t wch; 8697c478bd9Sstevel@tonic-gate 87003fc8686SGarrett D'Amore i = 0; 87103fc8686SGarrett D'Amore while (i < MB_CUR_MAX) { 8727c478bd9Sstevel@tonic-gate 87303fc8686SGarrett D'Amore if ((c = fgetc(stdin)) == EOF) { 8747c478bd9Sstevel@tonic-gate 87503fc8686SGarrett D'Amore if (i == 0) { 8767c478bd9Sstevel@tonic-gate /* TRUE EOF has been reached */ 87703fc8686SGarrett D'Amore return (WEOF); 8787c478bd9Sstevel@tonic-gate } 87903fc8686SGarrett D'Amore 8807c478bd9Sstevel@tonic-gate /* 8817c478bd9Sstevel@tonic-gate * We have some characters in our buffer still so it 8827c478bd9Sstevel@tonic-gate * must be an invalid character right before EOF. 8837c478bd9Sstevel@tonic-gate */ 8847c478bd9Sstevel@tonic-gate break; 8857c478bd9Sstevel@tonic-gate } 88603fc8686SGarrett D'Amore mbc[i++] = (char)c; 8877c478bd9Sstevel@tonic-gate 8887c478bd9Sstevel@tonic-gate /* If this succeeds then we are done */ 88903fc8686SGarrett D'Amore if (ZERO) { 89003fc8686SGarrett D'Amore *sz = i; 89103fc8686SGarrett D'Amore return ((char)c); 89203fc8686SGarrett D'Amore } 89303fc8686SGarrett D'Amore if (mbtowc(&wch, mbc, i) != -1) { 89403fc8686SGarrett D'Amore *sz = i; 89503fc8686SGarrett D'Amore return ((wint_t)wch); 89603fc8686SGarrett D'Amore } 8977c478bd9Sstevel@tonic-gate } 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate /* 9007c478bd9Sstevel@tonic-gate * We have now encountered an illegal character sequence. 9017c478bd9Sstevel@tonic-gate * There is nothing much we can do at this point but 9027c478bd9Sstevel@tonic-gate * return an error. If we attempt to recover we may in fact 9037c478bd9Sstevel@tonic-gate * return garbage as arguments, from the customer's point 9047c478bd9Sstevel@tonic-gate * of view. After all what if they are feeding us a file 9057c478bd9Sstevel@tonic-gate * generated in another locale? 9067c478bd9Sstevel@tonic-gate */ 9077c478bd9Sstevel@tonic-gate errno = EILSEQ; 90803fc8686SGarrett D'Amore PERR(CORRUPTFILE); 9097c478bd9Sstevel@tonic-gate exit(1); 9107c478bd9Sstevel@tonic-gate /* NOTREACHED */ 9117c478bd9Sstevel@tonic-gate } 9127c478bd9Sstevel@tonic-gate 9137c478bd9Sstevel@tonic-gate 91404427e3bSAndrew Bennett static void 9157c478bd9Sstevel@tonic-gate lcall(char *sub, char **subargs) 9167c478bd9Sstevel@tonic-gate { 91704427e3bSAndrew Bennett int retry = 0; 91804427e3bSAndrew Bennett pid_t child; 9197c478bd9Sstevel@tonic-gate 92003fc8686SGarrett D'Amore for (;;) { 92104427e3bSAndrew Bennett switch (child = forkx(FORK_NOSIGCHLD)) { 9227c478bd9Sstevel@tonic-gate default: 92304427e3bSAndrew Bennett procs_store(child); 92404427e3bSAndrew Bennett /* 92504427e3bSAndrew Bennett * Note, if we have used up all of our slots, then this 92604427e3bSAndrew Bennett * call may end up blocking. 92704427e3bSAndrew Bennett */ 92804427e3bSAndrew Bennett procs_wait(B_FALSE); 92904427e3bSAndrew Bennett return; 9307c478bd9Sstevel@tonic-gate case 0: 9317c478bd9Sstevel@tonic-gate (void) execvp(sub, subargs); 93203fc8686SGarrett D'Amore PERR(EXECFAIL); 9337c478bd9Sstevel@tonic-gate if (errno == EACCES) 9347c478bd9Sstevel@tonic-gate exit(126); 9357c478bd9Sstevel@tonic-gate exit(127); 9367c478bd9Sstevel@tonic-gate /* NOTREACHED */ 9377c478bd9Sstevel@tonic-gate case -1: 9387c478bd9Sstevel@tonic-gate if (errno != EAGAIN && retry++ < FORK_RETRY) { 93903fc8686SGarrett D'Amore PERR(FORKFAIL); 9407c478bd9Sstevel@tonic-gate exit(123); 9417c478bd9Sstevel@tonic-gate } 9427c478bd9Sstevel@tonic-gate (void) sleep(1); 9437c478bd9Sstevel@tonic-gate } 9447c478bd9Sstevel@tonic-gate } 9457c478bd9Sstevel@tonic-gate } 9467c478bd9Sstevel@tonic-gate 94704427e3bSAndrew Bennett /* 94804427e3bSAndrew Bennett * Return the index of child in the procs array. 94904427e3bSAndrew Bennett */ 95004427e3bSAndrew Bennett static int 95104427e3bSAndrew Bennett procs_find(pid_t child) 95204427e3bSAndrew Bennett { 95304427e3bSAndrew Bennett int i; 95404427e3bSAndrew Bennett 95504427e3bSAndrew Bennett for (i = 0; i < MAXPROCS; i++) { 95604427e3bSAndrew Bennett if (procs[i] == child) { 95704427e3bSAndrew Bennett return (i); 95804427e3bSAndrew Bennett } 95904427e3bSAndrew Bennett } 96004427e3bSAndrew Bennett 96104427e3bSAndrew Bennett return (-1); 96204427e3bSAndrew Bennett } 96304427e3bSAndrew Bennett 96404427e3bSAndrew Bennett static void 96504427e3bSAndrew Bennett procs_store(pid_t child) 96604427e3bSAndrew Bennett { 96704427e3bSAndrew Bennett int i; 96804427e3bSAndrew Bennett 96904427e3bSAndrew Bennett i = procs_find(0); 97004427e3bSAndrew Bennett if (i < 0) { 97104427e3bSAndrew Bennett EMSG(NOCHILDSLOT); 97204427e3bSAndrew Bennett exit(1); 97304427e3bSAndrew Bennett } 97404427e3bSAndrew Bennett procs[i] = child; 97504427e3bSAndrew Bennett n_procs++; 97604427e3bSAndrew Bennett } 97704427e3bSAndrew Bennett 97804427e3bSAndrew Bennett static boolean_t 97904427e3bSAndrew Bennett procs_delete(pid_t child) 98004427e3bSAndrew Bennett { 98104427e3bSAndrew Bennett int i; 98204427e3bSAndrew Bennett 98304427e3bSAndrew Bennett i = procs_find(child); 98404427e3bSAndrew Bennett if (i < 0) { 98504427e3bSAndrew Bennett return (B_FALSE); 98604427e3bSAndrew Bennett } 98704427e3bSAndrew Bennett 98804427e3bSAndrew Bennett procs[i] = (pid_t)0; 98904427e3bSAndrew Bennett n_procs--; 99004427e3bSAndrew Bennett 99104427e3bSAndrew Bennett return (B_TRUE); 99204427e3bSAndrew Bennett } 99304427e3bSAndrew Bennett 99404427e3bSAndrew Bennett static pid_t 99504427e3bSAndrew Bennett procs_waitpid(boolean_t blocking, int *stat_loc) 99604427e3bSAndrew Bennett { 99704427e3bSAndrew Bennett pid_t child; 99804427e3bSAndrew Bennett int options; 99904427e3bSAndrew Bennett 100004427e3bSAndrew Bennett if (n_procs == 0) { 100104427e3bSAndrew Bennett errno = ECHILD; 100204427e3bSAndrew Bennett return (-1); 100304427e3bSAndrew Bennett } 100404427e3bSAndrew Bennett 100504427e3bSAndrew Bennett options = 0; 100604427e3bSAndrew Bennett if (!blocking) { 100704427e3bSAndrew Bennett options |= WNOHANG; 100804427e3bSAndrew Bennett } 100904427e3bSAndrew Bennett 101004427e3bSAndrew Bennett while ((child = waitpid((pid_t)-1, stat_loc, options)) > 0) { 101104427e3bSAndrew Bennett if (procs_delete(child)) { 101204427e3bSAndrew Bennett break; 101304427e3bSAndrew Bennett } 101404427e3bSAndrew Bennett } 101504427e3bSAndrew Bennett 101604427e3bSAndrew Bennett return (child); 101704427e3bSAndrew Bennett } 101804427e3bSAndrew Bennett 101904427e3bSAndrew Bennett static void 102004427e3bSAndrew Bennett procs_wait(boolean_t blocking) 102104427e3bSAndrew Bennett { 102204427e3bSAndrew Bennett pid_t child; 102304427e3bSAndrew Bennett int stat_loc; 102404427e3bSAndrew Bennett 102504427e3bSAndrew Bennett /* 102604427e3bSAndrew Bennett * If we currently have filled all of our slots, then we need to block 102704427e3bSAndrew Bennett * further execution. 102804427e3bSAndrew Bennett */ 102904427e3bSAndrew Bennett if (n_procs >= MAXPROCS) 103004427e3bSAndrew Bennett blocking = B_TRUE; 103104427e3bSAndrew Bennett while ((child = procs_waitpid(blocking, &stat_loc)) > 0) { 103204427e3bSAndrew Bennett if (WIFSIGNALED(stat_loc)) { 103304427e3bSAndrew Bennett EMSG2(CHILDSIG, WTERMSIG(stat_loc)); 103404427e3bSAndrew Bennett exit(125); 103504427e3bSAndrew Bennett /* NOTREACHED */ 103604427e3bSAndrew Bennett } else if ((WEXITSTATUS(stat_loc) & 0377) == 0377) { 103704427e3bSAndrew Bennett EMSG(CHILDFAIL); 103804427e3bSAndrew Bennett exit(124); 103904427e3bSAndrew Bennett /* NOTREACHED */ 104004427e3bSAndrew Bennett } else { 104104427e3bSAndrew Bennett exitstat |= WEXITSTATUS(stat_loc); 104204427e3bSAndrew Bennett } 104304427e3bSAndrew Bennett } 104404427e3bSAndrew Bennett 104504427e3bSAndrew Bennett if (child == (pid_t)(-1) && errno != ECHILD) { 104604427e3bSAndrew Bennett EMSG(WAITFAIL); 104704427e3bSAndrew Bennett exit(122); 104804427e3bSAndrew Bennett /* NOTREACHED */ 104904427e3bSAndrew Bennett } 105004427e3bSAndrew Bennett } 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate static void 10537c478bd9Sstevel@tonic-gate usage() 10547c478bd9Sstevel@tonic-gate { 105503fc8686SGarrett D'Amore ermsg(_(USAGEMSG)); 10567c478bd9Sstevel@tonic-gate OK = FALSE; 10577c478bd9Sstevel@tonic-gate } 10587c478bd9Sstevel@tonic-gate 10597c478bd9Sstevel@tonic-gate 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate /* 10627c478bd9Sstevel@tonic-gate * parseargs(): modify the args 10637c478bd9Sstevel@tonic-gate * since the -e, -i and -l flags all take optional subarguments, 10647c478bd9Sstevel@tonic-gate * and getopts(3C) is clueless about this nonsense, we change the 10657c478bd9Sstevel@tonic-gate * our local argument count and strings to separate this out, 10667c478bd9Sstevel@tonic-gate * and make it easier to handle via getopts(3c). 10677c478bd9Sstevel@tonic-gate * 10687c478bd9Sstevel@tonic-gate * -e -> "-e "" 10697c478bd9Sstevel@tonic-gate * -e3 -> "-e "3" 10707c478bd9Sstevel@tonic-gate * -Estr -> "-E "str" 10717c478bd9Sstevel@tonic-gate * -i -> "-i "{}" 10727c478bd9Sstevel@tonic-gate * -irep -> "-i "rep" 1073826ac02aSGarrett D'Amore * -l -> "-l "1" 1074826ac02aSGarrett D'Amore * -l10 -> "-l "10" 10757c478bd9Sstevel@tonic-gate * 10767c478bd9Sstevel@tonic-gate * since the -e, -i and -l flags all take optional subarguments, 10777c478bd9Sstevel@tonic-gate */ 10787c478bd9Sstevel@tonic-gate static void 10797c478bd9Sstevel@tonic-gate parseargs(int ac, char **av) 10807c478bd9Sstevel@tonic-gate { 10817c478bd9Sstevel@tonic-gate int i; /* current argument */ 10827c478bd9Sstevel@tonic-gate int cflag; /* 0 = not processing cmd arg */ 10837c478bd9Sstevel@tonic-gate 10847c478bd9Sstevel@tonic-gate if ((mav = malloc((ac * 2 + 1) * sizeof (char *))) == NULL) { 108503fc8686SGarrett D'Amore PERR(MALLOCFAIL); 10867c478bd9Sstevel@tonic-gate exit(1); 10877c478bd9Sstevel@tonic-gate } 10887c478bd9Sstevel@tonic-gate 10897c478bd9Sstevel@tonic-gate /* for each argument, see if we need to change things: */ 10907c478bd9Sstevel@tonic-gate for (i = mac = cflag = 0; (av[i] != NULL) && i < ac; i++, mac++) { 10917c478bd9Sstevel@tonic-gate if ((mav[mac] = strdup(av[i])) == NULL) { 109203fc8686SGarrett D'Amore PERR(MALLOCFAIL); 10937c478bd9Sstevel@tonic-gate exit(1); 10947c478bd9Sstevel@tonic-gate } 10957c478bd9Sstevel@tonic-gate 10967c478bd9Sstevel@tonic-gate /* -- has been found or argument list is fully processes */ 10977c478bd9Sstevel@tonic-gate if (cflag) 10987c478bd9Sstevel@tonic-gate continue; 10997c478bd9Sstevel@tonic-gate 11007c478bd9Sstevel@tonic-gate /* 11017c478bd9Sstevel@tonic-gate * if we're doing special processing, and we've got a flag 11027c478bd9Sstevel@tonic-gate */ 11037c478bd9Sstevel@tonic-gate else if ((av[i][0] == '-') && (av[i][1] != NULL)) { 11047c478bd9Sstevel@tonic-gate char *def; 11057c478bd9Sstevel@tonic-gate 11067c478bd9Sstevel@tonic-gate switch (av[i][1]) { 11077c478bd9Sstevel@tonic-gate case 'e': 11087c478bd9Sstevel@tonic-gate def = ""; /* -e with no arg turns off eof */ 11097c478bd9Sstevel@tonic-gate goto process_special; 11107c478bd9Sstevel@tonic-gate case 'i': 11117c478bd9Sstevel@tonic-gate def = INSPAT_STR; 11127c478bd9Sstevel@tonic-gate goto process_special; 11137c478bd9Sstevel@tonic-gate case 'l': 11147c478bd9Sstevel@tonic-gate def = "1"; 11157c478bd9Sstevel@tonic-gate process_special: 11167c478bd9Sstevel@tonic-gate /* 11177c478bd9Sstevel@tonic-gate * if there's no sub-option, we *must* add 11187c478bd9Sstevel@tonic-gate * a default one. this is because xargs must 11197c478bd9Sstevel@tonic-gate * be able to distinguish between a valid 11207c478bd9Sstevel@tonic-gate * suboption, and a command name. 11217c478bd9Sstevel@tonic-gate */ 11227c478bd9Sstevel@tonic-gate if (av[i][2] == NULL) { 11237c478bd9Sstevel@tonic-gate mav[++mac] = strdup(def); 11247c478bd9Sstevel@tonic-gate } else { 11257c478bd9Sstevel@tonic-gate /* clear out our version: */ 11267c478bd9Sstevel@tonic-gate mav[mac][2] = NULL; 11277c478bd9Sstevel@tonic-gate mav[++mac] = strdup(&av[i][2]); 11287c478bd9Sstevel@tonic-gate } 11297c478bd9Sstevel@tonic-gate if (mav[mac] == NULL) { 113003fc8686SGarrett D'Amore PERR(MALLOCFAIL); 11317c478bd9Sstevel@tonic-gate exit(1); 11327c478bd9Sstevel@tonic-gate } 11337c478bd9Sstevel@tonic-gate break; 11347c478bd9Sstevel@tonic-gate 11357c478bd9Sstevel@tonic-gate /* flags with required subarguments: */ 11367c478bd9Sstevel@tonic-gate 11377c478bd9Sstevel@tonic-gate /* 11387c478bd9Sstevel@tonic-gate * there are two separate cases here. either the 11397c478bd9Sstevel@tonic-gate * flag can have the normal XCU4 handling 11407c478bd9Sstevel@tonic-gate * (of the form: -X subargument); or it can have 11417c478bd9Sstevel@tonic-gate * the old solaris 2.[0-4] handling (of the 11427c478bd9Sstevel@tonic-gate * form: -Xsubargument). in order to maintain 11437c478bd9Sstevel@tonic-gate * backwards compatibility, we must support the 11447c478bd9Sstevel@tonic-gate * latter case. we handle the latter possibility 11457c478bd9Sstevel@tonic-gate * first so both the old solaris way of handling 11467c478bd9Sstevel@tonic-gate * and the new XCU4 way of handling things are allowed. 11477c478bd9Sstevel@tonic-gate */ 11487c478bd9Sstevel@tonic-gate case 'n': /* FALLTHROUGH */ 114904427e3bSAndrew Bennett case 'P': /* FALLTHROUGH */ 11507c478bd9Sstevel@tonic-gate case 's': /* FALLTHROUGH */ 11517c478bd9Sstevel@tonic-gate case 'E': /* FALLTHROUGH */ 11527c478bd9Sstevel@tonic-gate case 'I': /* FALLTHROUGH */ 11537c478bd9Sstevel@tonic-gate case 'L': 11547c478bd9Sstevel@tonic-gate /* 11557c478bd9Sstevel@tonic-gate * if the second character isn't null, then 11567c478bd9Sstevel@tonic-gate * the user has specified the old syntax. 11577c478bd9Sstevel@tonic-gate * we move the subargument into our 11587c478bd9Sstevel@tonic-gate * mod'd argument list. 11597c478bd9Sstevel@tonic-gate */ 11607c478bd9Sstevel@tonic-gate if (av[i][2] != NULL) { 11617c478bd9Sstevel@tonic-gate /* first clean things up: */ 11627c478bd9Sstevel@tonic-gate mav[mac][2] = NULL; 11637c478bd9Sstevel@tonic-gate 11647c478bd9Sstevel@tonic-gate /* now add the separation: */ 11657c478bd9Sstevel@tonic-gate ++mac; /* inc to next mod'd arg */ 11667c478bd9Sstevel@tonic-gate if ((mav[mac] = strdup(&av[i][2])) == 11677c478bd9Sstevel@tonic-gate NULL) { 116803fc8686SGarrett D'Amore PERR(MALLOCFAIL); 11697c478bd9Sstevel@tonic-gate exit(1); 11707c478bd9Sstevel@tonic-gate } 11717c478bd9Sstevel@tonic-gate break; 11727c478bd9Sstevel@tonic-gate } 11737c478bd9Sstevel@tonic-gate i++; 11747c478bd9Sstevel@tonic-gate mac++; 1175952d685eScf 11767c478bd9Sstevel@tonic-gate if (av[i] == NULL) { 11777c478bd9Sstevel@tonic-gate mav[mac] = NULL; 11787c478bd9Sstevel@tonic-gate return; 11797c478bd9Sstevel@tonic-gate } 11807c478bd9Sstevel@tonic-gate if ((mav[mac] = strdup(av[i])) == NULL) { 118103fc8686SGarrett D'Amore PERR(MALLOCFAIL); 11827c478bd9Sstevel@tonic-gate exit(1); 11837c478bd9Sstevel@tonic-gate } 11847c478bd9Sstevel@tonic-gate break; 11857c478bd9Sstevel@tonic-gate 11867c478bd9Sstevel@tonic-gate /* flags */ 11877c478bd9Sstevel@tonic-gate case 'p' : 11887c478bd9Sstevel@tonic-gate case 't' : 11897c478bd9Sstevel@tonic-gate case 'x' : 11901daace1dSGarrett D'Amore case '0' : 11917c478bd9Sstevel@tonic-gate break; 11927c478bd9Sstevel@tonic-gate 11937c478bd9Sstevel@tonic-gate case '-' : 11947c478bd9Sstevel@tonic-gate default: 11957c478bd9Sstevel@tonic-gate /* 11967c478bd9Sstevel@tonic-gate * here we've hit the cmd argument. so 11977c478bd9Sstevel@tonic-gate * we'll stop special processing, as the 11987c478bd9Sstevel@tonic-gate * cmd may have a "-i" etc., argument, 11997c478bd9Sstevel@tonic-gate * and we don't want to add a "" to it. 12007c478bd9Sstevel@tonic-gate */ 12017c478bd9Sstevel@tonic-gate cflag = 1; 12027c478bd9Sstevel@tonic-gate break; 12037c478bd9Sstevel@tonic-gate } 12047c478bd9Sstevel@tonic-gate } else if (i > 0) { /* if we're not the 1st arg */ 12057c478bd9Sstevel@tonic-gate /* 12067c478bd9Sstevel@tonic-gate * if it's not a flag, then it *must* be the cmd. 12077c478bd9Sstevel@tonic-gate * set cflag, so we don't mishandle the -[eil] flags. 12087c478bd9Sstevel@tonic-gate */ 12097c478bd9Sstevel@tonic-gate cflag = 1; 12107c478bd9Sstevel@tonic-gate } 12117c478bd9Sstevel@tonic-gate } 12127c478bd9Sstevel@tonic-gate 12137c478bd9Sstevel@tonic-gate mav[mac] = NULL; 12147c478bd9Sstevel@tonic-gate } 1215