9e1bb30e23
There is no longer a case where argbackq has already been advanced but the string pointer needs to be advanced.
1547 lines
33 KiB
C
1547 lines
33 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1997-2005
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* Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved.
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* Copyright (c) 2010-2015
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* Jilles Tjoelker <jilles@stack.nl>. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)expand.c 8.5 (Berkeley) 5/15/95";
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#endif
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#endif /* not lint */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <limits.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <wchar.h>
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#include <wctype.h>
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/*
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* Routines to expand arguments to commands. We have to deal with
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* backquotes, shell variables, and file metacharacters.
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*/
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#include "shell.h"
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#include "main.h"
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#include "nodes.h"
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#include "eval.h"
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#include "expand.h"
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#include "syntax.h"
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#include "parser.h"
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#include "jobs.h"
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#include "options.h"
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#include "var.h"
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#include "input.h"
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#include "output.h"
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#include "memalloc.h"
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#include "error.h"
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#include "mystring.h"
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#include "arith.h"
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#include "show.h"
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#include "builtins.h"
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enum wordstate { WORD_IDLE, WORD_WS_DELIMITED, WORD_QUOTEMARK };
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struct worddest {
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struct arglist *list;
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enum wordstate state;
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};
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static char *expdest; /* output of current string */
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static const char *argstr(const char *, struct nodelist **restrict, int,
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struct worddest *);
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static const char *exptilde(const char *, int);
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static const char *expari(const char *, struct nodelist **restrict, int,
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struct worddest *);
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static void expbackq(union node *, int, int, struct worddest *);
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static void subevalvar_trim(const char *, struct nodelist *, int, int, int);
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static void subevalvar_misc(const char *, struct nodelist *, const char *, int,
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int, int);
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static const char *evalvar(const char *, struct nodelist **restrict, int,
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struct worddest *);
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static int varisset(const char *, int);
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static void strtodest(const char *, int, int, int, struct worddest *);
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static void reprocess(int, int, int, int, struct worddest *);
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static void varvalue(const char *, int, int, int, struct worddest *);
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static void expandmeta(char *, struct arglist *);
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static void expmeta(char *, char *, struct arglist *);
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static int expsortcmp(const void *, const void *);
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static int patmatch(const char *, const char *);
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static void cvtnum(int, char *);
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static int collate_range_cmp(wchar_t, wchar_t);
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void
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emptyarglist(struct arglist *list)
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{
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list->args = list->smallarg;
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list->count = 0;
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list->capacity = sizeof(list->smallarg) / sizeof(list->smallarg[0]);
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}
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void
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appendarglist(struct arglist *list, char *str)
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{
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char **newargs;
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int newcapacity;
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if (list->count >= list->capacity) {
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newcapacity = list->capacity * 2;
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if (newcapacity < 16)
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newcapacity = 16;
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if (newcapacity > INT_MAX / (int)sizeof(newargs[0]))
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error("Too many entries in arglist");
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newargs = stalloc(newcapacity * sizeof(newargs[0]));
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memcpy(newargs, list->args, list->count * sizeof(newargs[0]));
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list->args = newargs;
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list->capacity = newcapacity;
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}
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list->args[list->count++] = str;
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}
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static int
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collate_range_cmp(wchar_t c1, wchar_t c2)
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{
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static wchar_t s1[2], s2[2];
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s1[0] = c1;
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s2[0] = c2;
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return (wcscoll(s1, s2));
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}
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static char *
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stputs_quotes(const char *data, const char *syntax, char *p)
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{
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while (*data) {
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CHECKSTRSPACE(2, p);
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if (syntax[(int)*data] == CCTL)
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USTPUTC(CTLESC, p);
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USTPUTC(*data++, p);
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}
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return (p);
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}
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#define STPUTS_QUOTES(data, syntax, p) p = stputs_quotes((data), syntax, p)
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static char *
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nextword(char c, int flag, char *p, struct worddest *dst)
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{
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int is_ws;
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is_ws = c == '\t' || c == '\n' || c == ' ';
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if (p != stackblock() || (is_ws ? dst->state == WORD_QUOTEMARK :
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dst->state != WORD_WS_DELIMITED) || c == '\0') {
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STPUTC('\0', p);
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if (flag & EXP_GLOB)
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expandmeta(grabstackstr(p), dst->list);
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else
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appendarglist(dst->list, grabstackstr(p));
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dst->state = is_ws ? WORD_WS_DELIMITED : WORD_IDLE;
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} else if (!is_ws && dst->state == WORD_WS_DELIMITED)
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dst->state = WORD_IDLE;
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/* Reserve space while the stack string is empty. */
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appendarglist(dst->list, NULL);
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dst->list->count--;
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STARTSTACKSTR(p);
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return p;
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}
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#define NEXTWORD(c, flag, p, dstlist) p = nextword(c, flag, p, dstlist)
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static char *
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stputs_split(const char *data, const char *syntax, int flag, char *p,
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struct worddest *dst)
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{
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const char *ifs;
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char c;
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ifs = ifsset() ? ifsval() : " \t\n";
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while (*data) {
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CHECKSTRSPACE(2, p);
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c = *data++;
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if (strchr(ifs, c) != NULL) {
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NEXTWORD(c, flag, p, dst);
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continue;
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}
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if (flag & EXP_GLOB && syntax[(int)c] == CCTL)
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USTPUTC(CTLESC, p);
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USTPUTC(c, p);
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}
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return (p);
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}
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#define STPUTS_SPLIT(data, syntax, flag, p, dst) p = stputs_split((data), syntax, flag, p, dst)
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/*
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* Perform expansions on an argument, placing the resulting list of arguments
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* in arglist. Parameter expansion, command substitution and arithmetic
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* expansion are always performed; additional expansions can be requested
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* via flag (EXP_*).
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* The result is left in the stack string.
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* When arglist is NULL, perform here document expansion.
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*
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* Caution: this function uses global state and is not reentrant.
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* However, a new invocation after an interrupted invocation is safe
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* and will reset the global state for the new call.
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*/
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void
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expandarg(union node *arg, struct arglist *arglist, int flag)
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{
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struct worddest exparg;
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struct nodelist *argbackq;
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if (fflag)
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flag &= ~EXP_GLOB;
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argbackq = arg->narg.backquote;
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exparg.list = arglist;
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exparg.state = WORD_IDLE;
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STARTSTACKSTR(expdest);
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argstr(arg->narg.text, &argbackq, flag, &exparg);
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if (arglist == NULL) {
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STACKSTRNUL(expdest);
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return; /* here document expanded */
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}
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if ((flag & EXP_SPLIT) == 0 || expdest != stackblock() ||
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exparg.state == WORD_QUOTEMARK) {
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STPUTC('\0', expdest);
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if (flag & EXP_SPLIT) {
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if (flag & EXP_GLOB)
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expandmeta(grabstackstr(expdest), exparg.list);
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else
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appendarglist(exparg.list, grabstackstr(expdest));
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}
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}
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if ((flag & EXP_SPLIT) == 0)
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appendarglist(arglist, grabstackstr(expdest));
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}
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/*
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* Perform parameter expansion, command substitution and arithmetic
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* expansion, and tilde expansion if requested via EXP_TILDE/EXP_VARTILDE.
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* Processing ends at a CTLENDVAR or CTLENDARI character as well as '\0'.
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* This is used to expand word in ${var+word} etc.
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* If EXP_GLOB or EXP_CASE are set, keep and/or generate CTLESC
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* characters to allow for further processing.
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*
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* If EXP_SPLIT is set, dst receives any complete words produced.
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*/
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static const char *
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argstr(const char *p, struct nodelist **restrict argbackq, int flag,
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struct worddest *dst)
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{
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char c;
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int quotes = flag & (EXP_GLOB | EXP_CASE); /* do CTLESC */
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int firsteq = 1;
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int split_lit;
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int lit_quoted;
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split_lit = flag & EXP_SPLIT_LIT;
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lit_quoted = flag & EXP_LIT_QUOTED;
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flag &= ~(EXP_SPLIT_LIT | EXP_LIT_QUOTED);
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if (*p == '~' && (flag & (EXP_TILDE | EXP_VARTILDE)))
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p = exptilde(p, flag);
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for (;;) {
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CHECKSTRSPACE(2, expdest);
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switch (c = *p++) {
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case '\0':
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return (p - 1);
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case CTLENDVAR:
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case CTLENDARI:
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return (p);
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case CTLQUOTEMARK:
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lit_quoted = 1;
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/* "$@" syntax adherence hack */
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if (p[0] == CTLVAR && (p[1] & VSQUOTE) != 0 &&
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p[2] == '@' && p[3] == '=')
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break;
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if ((flag & EXP_SPLIT) != 0 && expdest == stackblock())
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dst->state = WORD_QUOTEMARK;
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break;
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case CTLQUOTEEND:
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lit_quoted = 0;
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break;
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case CTLESC:
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c = *p++;
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if (split_lit && !lit_quoted &&
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strchr(ifsset() ? ifsval() : " \t\n", c) != NULL) {
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NEXTWORD(c, flag, expdest, dst);
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break;
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}
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if (quotes)
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USTPUTC(CTLESC, expdest);
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USTPUTC(c, expdest);
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break;
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case CTLVAR:
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p = evalvar(p, argbackq, flag, dst);
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break;
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case CTLBACKQ:
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case CTLBACKQ|CTLQUOTE:
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expbackq((*argbackq)->n, c & CTLQUOTE, flag, dst);
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*argbackq = (*argbackq)->next;
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break;
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case CTLARI:
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p = expari(p, argbackq, flag, dst);
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break;
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case ':':
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case '=':
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/*
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* sort of a hack - expand tildes in variable
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* assignments (after the first '=' and after ':'s).
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*/
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if (split_lit && !lit_quoted &&
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strchr(ifsset() ? ifsval() : " \t\n", c) != NULL) {
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NEXTWORD(c, flag, expdest, dst);
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break;
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}
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USTPUTC(c, expdest);
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if (flag & EXP_VARTILDE && *p == '~' &&
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(c != '=' || firsteq)) {
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if (c == '=')
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firsteq = 0;
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p = exptilde(p, flag);
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}
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break;
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default:
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if (split_lit && !lit_quoted &&
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strchr(ifsset() ? ifsval() : " \t\n", c) != NULL) {
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NEXTWORD(c, flag, expdest, dst);
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break;
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}
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USTPUTC(c, expdest);
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}
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}
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}
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/*
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* Perform tilde expansion, placing the result in the stack string and
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* returning the next position in the input string to process.
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*/
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static const char *
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exptilde(const char *p, int flag)
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{
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char c;
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const char *startp = p;
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const char *user;
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struct passwd *pw;
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char *home;
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int len;
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for (;;) {
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c = *p;
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switch(c) {
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case CTLESC: /* This means CTL* are always considered quoted. */
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case CTLVAR:
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case CTLBACKQ:
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case CTLBACKQ | CTLQUOTE:
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case CTLARI:
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case CTLENDARI:
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case CTLQUOTEMARK:
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return (startp);
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case ':':
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if ((flag & EXP_VARTILDE) == 0)
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break;
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/* FALLTHROUGH */
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case '\0':
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case '/':
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case CTLENDVAR:
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len = p - startp - 1;
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STPUTBIN(startp + 1, len, expdest);
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STACKSTRNUL(expdest);
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user = expdest - len;
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if (*user == '\0') {
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home = lookupvar("HOME");
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} else {
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pw = getpwnam(user);
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home = pw != NULL ? pw->pw_dir : NULL;
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}
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STADJUST(-len, expdest);
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if (home == NULL || *home == '\0')
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return (startp);
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strtodest(home, flag, VSNORMAL, 1, NULL);
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return (p);
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}
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p++;
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}
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}
|
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|
|
|
|
/*
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* Expand arithmetic expression.
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|
*/
|
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static const char *
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expari(const char *p, struct nodelist **restrict argbackq, int flag,
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struct worddest *dst)
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{
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char *q, *start;
|
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arith_t result;
|
|
int begoff;
|
|
int quoted;
|
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int adj;
|
|
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quoted = *p++ == '"';
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begoff = expdest - stackblock();
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p = argstr(p, argbackq, 0, NULL);
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STPUTC('\0', expdest);
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start = stackblock() + begoff;
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q = grabstackstr(expdest);
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result = arith(start);
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ungrabstackstr(q, expdest);
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|
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start = stackblock() + begoff;
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adj = start - expdest;
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STADJUST(adj, expdest);
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|
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|
CHECKSTRSPACE((int)(DIGITS(result) + 1), expdest);
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fmtstr(expdest, DIGITS(result), ARITH_FORMAT_STR, result);
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adj = strlen(expdest);
|
|
STADJUST(adj, expdest);
|
|
if (!quoted)
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reprocess(expdest - adj - stackblock(), flag, VSNORMAL, 0, dst);
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return p;
|
|
}
|
|
|
|
|
|
/*
|
|
* Perform command substitution.
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|
*/
|
|
static void
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expbackq(union node *cmd, int quoted, int flag, struct worddest *dst)
|
|
{
|
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struct backcmd in;
|
|
int i;
|
|
char buf[128];
|
|
char *p;
|
|
char *dest = expdest;
|
|
char lastc;
|
|
char const *syntax = quoted? DQSYNTAX : BASESYNTAX;
|
|
int quotes = flag & (EXP_GLOB | EXP_CASE);
|
|
size_t nnl;
|
|
const char *ifs;
|
|
|
|
INTOFF;
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p = grabstackstr(dest);
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|
evalbackcmd(cmd, &in);
|
|
ungrabstackstr(p, dest);
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|
|
|
p = in.buf;
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nnl = 0;
|
|
if (!quoted && flag & EXP_SPLIT)
|
|
ifs = ifsset() ? ifsval() : " \t\n";
|
|
else
|
|
ifs = "";
|
|
/* Don't copy trailing newlines */
|
|
for (;;) {
|
|
if (--in.nleft < 0) {
|
|
if (in.fd < 0)
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break;
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while ((i = read(in.fd, buf, sizeof buf)) < 0 && errno == EINTR)
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|
;
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TRACE(("expbackq: read returns %d\n", i));
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if (i <= 0)
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break;
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p = buf;
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in.nleft = i - 1;
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}
|
|
lastc = *p++;
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|
if (lastc == '\0')
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continue;
|
|
if (lastc == '\n') {
|
|
nnl++;
|
|
} else {
|
|
if (nnl > 0) {
|
|
if (strchr(ifs, '\n') != NULL) {
|
|
NEXTWORD('\n', flag, dest, dst);
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|
nnl = 0;
|
|
} else {
|
|
CHECKSTRSPACE(nnl + 2, dest);
|
|
while (nnl > 0) {
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|
nnl--;
|
|
USTPUTC('\n', dest);
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|
}
|
|
}
|
|
}
|
|
if (strchr(ifs, lastc) != NULL)
|
|
NEXTWORD(lastc, flag, dest, dst);
|
|
else {
|
|
CHECKSTRSPACE(2, dest);
|
|
if (quotes && syntax[(int)lastc] == CCTL)
|
|
USTPUTC(CTLESC, dest);
|
|
USTPUTC(lastc, dest);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (in.fd >= 0)
|
|
close(in.fd);
|
|
if (in.buf)
|
|
ckfree(in.buf);
|
|
if (in.jp) {
|
|
p = grabstackstr(dest);
|
|
exitstatus = waitforjob(in.jp, (int *)NULL);
|
|
ungrabstackstr(p, dest);
|
|
}
|
|
TRACE(("expbackq: done\n"));
|
|
expdest = dest;
|
|
INTON;
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
recordleft(const char *str, const char *loc, char *startp)
|
|
{
|
|
int amount;
|
|
|
|
amount = ((str - 1) - (loc - startp)) - expdest;
|
|
STADJUST(amount, expdest);
|
|
while (loc != str - 1)
|
|
*startp++ = *loc++;
|
|
}
|
|
|
|
static void
|
|
subevalvar_trim(const char *p, struct nodelist *argbackq, int strloc,
|
|
int subtype, int startloc)
|
|
{
|
|
char *startp;
|
|
char *loc = NULL;
|
|
char *str;
|
|
int c = 0;
|
|
struct nodelist *argbackqcopy = argbackq;
|
|
int amount;
|
|
|
|
argstr(p, &argbackqcopy, EXP_CASE | EXP_TILDE, NULL);
|
|
STACKSTRNUL(expdest);
|
|
startp = stackblock() + startloc;
|
|
str = stackblock() + strloc;
|
|
|
|
switch (subtype) {
|
|
case VSTRIMLEFT:
|
|
for (loc = startp; loc < str; loc++) {
|
|
c = *loc;
|
|
*loc = '\0';
|
|
if (patmatch(str, startp)) {
|
|
*loc = c;
|
|
recordleft(str, loc, startp);
|
|
return;
|
|
}
|
|
*loc = c;
|
|
}
|
|
break;
|
|
|
|
case VSTRIMLEFTMAX:
|
|
for (loc = str - 1; loc >= startp;) {
|
|
c = *loc;
|
|
*loc = '\0';
|
|
if (patmatch(str, startp)) {
|
|
*loc = c;
|
|
recordleft(str, loc, startp);
|
|
return;
|
|
}
|
|
*loc = c;
|
|
loc--;
|
|
}
|
|
break;
|
|
|
|
case VSTRIMRIGHT:
|
|
for (loc = str - 1; loc >= startp;) {
|
|
if (patmatch(str, loc)) {
|
|
amount = loc - expdest;
|
|
STADJUST(amount, expdest);
|
|
return;
|
|
}
|
|
loc--;
|
|
}
|
|
break;
|
|
|
|
case VSTRIMRIGHTMAX:
|
|
for (loc = startp; loc < str - 1; loc++) {
|
|
if (patmatch(str, loc)) {
|
|
amount = loc - expdest;
|
|
STADJUST(amount, expdest);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
default:
|
|
abort();
|
|
}
|
|
amount = (expdest - stackblock() - strloc) + 1;
|
|
STADJUST(-amount, expdest);
|
|
}
|
|
|
|
|
|
static void
|
|
subevalvar_misc(const char *p, struct nodelist *argbackq, const char *var, int subtype, int startloc,
|
|
int varflags)
|
|
{
|
|
char *startp;
|
|
struct nodelist *argbackqcopy = argbackq;
|
|
int amount;
|
|
|
|
argstr(p, &argbackqcopy, EXP_TILDE, NULL);
|
|
STACKSTRNUL(expdest);
|
|
startp = stackblock() + startloc;
|
|
|
|
switch (subtype) {
|
|
case VSASSIGN:
|
|
setvar(var, startp, 0);
|
|
amount = startp - expdest;
|
|
STADJUST(amount, expdest);
|
|
return;
|
|
|
|
case VSQUESTION:
|
|
if (*p != CTLENDVAR) {
|
|
outfmt(out2, "%s\n", startp);
|
|
error((char *)NULL);
|
|
}
|
|
error("%.*s: parameter %snot set", (int)(p - var - 1),
|
|
var, (varflags & VSNUL) ? "null or " : "");
|
|
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Expand a variable, and return a pointer to the next character in the
|
|
* input string.
|
|
*/
|
|
|
|
static const char *
|
|
evalvar(const char *p, struct nodelist **restrict argbackq, int flag,
|
|
struct worddest *dst)
|
|
{
|
|
int subtype;
|
|
int varflags;
|
|
const char *var;
|
|
const char *val;
|
|
int patloc;
|
|
int c;
|
|
int set;
|
|
int special;
|
|
int startloc;
|
|
int varlen;
|
|
int varlenb;
|
|
char buf[21];
|
|
|
|
varflags = (unsigned char)*p++;
|
|
subtype = varflags & VSTYPE;
|
|
var = p;
|
|
special = 0;
|
|
if (! is_name(*p))
|
|
special = 1;
|
|
p = strchr(p, '=') + 1;
|
|
again: /* jump here after setting a variable with ${var=text} */
|
|
if (varflags & VSLINENO) {
|
|
set = 1;
|
|
special = 1;
|
|
val = NULL;
|
|
} else if (special) {
|
|
set = varisset(var, varflags & VSNUL);
|
|
val = NULL;
|
|
} else {
|
|
val = bltinlookup(var, 1);
|
|
if (val == NULL || ((varflags & VSNUL) && val[0] == '\0')) {
|
|
val = NULL;
|
|
set = 0;
|
|
} else
|
|
set = 1;
|
|
}
|
|
varlen = 0;
|
|
startloc = expdest - stackblock();
|
|
if (!set && uflag && *var != '@' && *var != '*') {
|
|
switch (subtype) {
|
|
case VSNORMAL:
|
|
case VSTRIMLEFT:
|
|
case VSTRIMLEFTMAX:
|
|
case VSTRIMRIGHT:
|
|
case VSTRIMRIGHTMAX:
|
|
case VSLENGTH:
|
|
error("%.*s: parameter not set", (int)(p - var - 1),
|
|
var);
|
|
}
|
|
}
|
|
if (set && subtype != VSPLUS) {
|
|
/* insert the value of the variable */
|
|
if (special) {
|
|
if (varflags & VSLINENO) {
|
|
if (p - var > (ptrdiff_t)sizeof(buf))
|
|
abort();
|
|
memcpy(buf, var, p - var - 1);
|
|
buf[p - var - 1] = '\0';
|
|
strtodest(buf, flag, subtype,
|
|
varflags & VSQUOTE, dst);
|
|
} else
|
|
varvalue(var, varflags & VSQUOTE, subtype, flag,
|
|
dst);
|
|
if (subtype == VSLENGTH) {
|
|
varlenb = expdest - stackblock() - startloc;
|
|
varlen = varlenb;
|
|
if (localeisutf8) {
|
|
val = stackblock() + startloc;
|
|
for (;val != expdest; val++)
|
|
if ((*val & 0xC0) == 0x80)
|
|
varlen--;
|
|
}
|
|
STADJUST(-varlenb, expdest);
|
|
}
|
|
} else {
|
|
if (subtype == VSLENGTH) {
|
|
for (;*val; val++)
|
|
if (!localeisutf8 ||
|
|
(*val & 0xC0) != 0x80)
|
|
varlen++;
|
|
}
|
|
else
|
|
strtodest(val, flag, subtype,
|
|
varflags & VSQUOTE, dst);
|
|
}
|
|
}
|
|
|
|
if (subtype == VSPLUS)
|
|
set = ! set;
|
|
|
|
switch (subtype) {
|
|
case VSLENGTH:
|
|
cvtnum(varlen, buf);
|
|
strtodest(buf, flag, VSNORMAL, varflags & VSQUOTE, dst);
|
|
break;
|
|
|
|
case VSNORMAL:
|
|
return p;
|
|
|
|
case VSPLUS:
|
|
case VSMINUS:
|
|
if (!set) {
|
|
return argstr(p, argbackq,
|
|
flag | (flag & EXP_SPLIT ? EXP_SPLIT_LIT : 0) |
|
|
(varflags & VSQUOTE ? EXP_LIT_QUOTED : 0), dst);
|
|
}
|
|
break;
|
|
|
|
case VSTRIMLEFT:
|
|
case VSTRIMLEFTMAX:
|
|
case VSTRIMRIGHT:
|
|
case VSTRIMRIGHTMAX:
|
|
if (!set)
|
|
break;
|
|
/*
|
|
* Terminate the string and start recording the pattern
|
|
* right after it
|
|
*/
|
|
STPUTC('\0', expdest);
|
|
patloc = expdest - stackblock();
|
|
subevalvar_trim(p, *argbackq, patloc, subtype, startloc);
|
|
reprocess(startloc, flag, VSNORMAL, varflags & VSQUOTE, dst);
|
|
if (flag & EXP_SPLIT && *var == '@' && varflags & VSQUOTE)
|
|
dst->state = WORD_QUOTEMARK;
|
|
break;
|
|
|
|
case VSASSIGN:
|
|
case VSQUESTION:
|
|
if (!set) {
|
|
subevalvar_misc(p, *argbackq, var, subtype,
|
|
startloc, varflags);
|
|
/* assert(subtype == VSASSIGN); */
|
|
varflags &= ~VSNUL;
|
|
goto again;
|
|
}
|
|
break;
|
|
|
|
case VSERROR:
|
|
c = p - var - 1;
|
|
error("${%.*s%s}: Bad substitution", c, var,
|
|
(c > 0 && *p != CTLENDVAR) ? "..." : "");
|
|
|
|
default:
|
|
abort();
|
|
}
|
|
|
|
{ /* skip to end of alternative */
|
|
int nesting = 1;
|
|
for (;;) {
|
|
if ((c = *p++) == CTLESC)
|
|
p++;
|
|
else if (c == CTLBACKQ || c == (CTLBACKQ|CTLQUOTE))
|
|
*argbackq = (*argbackq)->next;
|
|
else if (c == CTLVAR) {
|
|
if ((*p++ & VSTYPE) != VSNORMAL)
|
|
nesting++;
|
|
} else if (c == CTLENDVAR) {
|
|
if (--nesting == 0)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return p;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Test whether a specialized variable is set.
|
|
*/
|
|
|
|
static int
|
|
varisset(const char *name, int nulok)
|
|
{
|
|
|
|
if (*name == '!')
|
|
return backgndpidset();
|
|
else if (*name == '@' || *name == '*') {
|
|
if (*shellparam.p == NULL)
|
|
return 0;
|
|
|
|
if (nulok) {
|
|
char **av;
|
|
|
|
for (av = shellparam.p; *av; av++)
|
|
if (**av != '\0')
|
|
return 1;
|
|
return 0;
|
|
}
|
|
} else if (is_digit(*name)) {
|
|
char *ap;
|
|
long num;
|
|
|
|
errno = 0;
|
|
num = strtol(name, NULL, 10);
|
|
if (errno != 0 || num > shellparam.nparam)
|
|
return 0;
|
|
|
|
if (num == 0)
|
|
ap = arg0;
|
|
else
|
|
ap = shellparam.p[num - 1];
|
|
|
|
if (nulok && (ap == NULL || *ap == '\0'))
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
strtodest(const char *p, int flag, int subtype, int quoted,
|
|
struct worddest *dst)
|
|
{
|
|
if (subtype == VSLENGTH || subtype == VSTRIMLEFT ||
|
|
subtype == VSTRIMLEFTMAX || subtype == VSTRIMRIGHT ||
|
|
subtype == VSTRIMRIGHTMAX)
|
|
STPUTS(p, expdest);
|
|
else if (flag & EXP_SPLIT && !quoted && dst != NULL)
|
|
STPUTS_SPLIT(p, BASESYNTAX, flag, expdest, dst);
|
|
else if (flag & (EXP_GLOB | EXP_CASE))
|
|
STPUTS_QUOTES(p, quoted ? DQSYNTAX : BASESYNTAX, expdest);
|
|
else
|
|
STPUTS(p, expdest);
|
|
}
|
|
|
|
static void
|
|
reprocess(int startloc, int flag, int subtype, int quoted,
|
|
struct worddest *dst)
|
|
{
|
|
static char *buf = NULL;
|
|
static size_t buflen = 0;
|
|
char *startp;
|
|
size_t len, zpos, zlen;
|
|
|
|
startp = stackblock() + startloc;
|
|
len = expdest - startp;
|
|
if (len >= SIZE_MAX / 2)
|
|
abort();
|
|
INTOFF;
|
|
if (len >= buflen) {
|
|
ckfree(buf);
|
|
buf = NULL;
|
|
}
|
|
if (buflen < 128)
|
|
buflen = 128;
|
|
while (len >= buflen)
|
|
buflen <<= 1;
|
|
if (buf == NULL)
|
|
buf = ckmalloc(buflen);
|
|
INTON;
|
|
memcpy(buf, startp, len);
|
|
buf[len] = '\0';
|
|
STADJUST(-len, expdest);
|
|
for (zpos = 0;;) {
|
|
zlen = strlen(buf + zpos);
|
|
strtodest(buf + zpos, flag, subtype, quoted, dst);
|
|
zpos += zlen + 1;
|
|
if (zpos == len + 1)
|
|
break;
|
|
if (flag & EXP_SPLIT && (quoted || (zlen > 0 && zpos < len)))
|
|
NEXTWORD('\0', flag, expdest, dst);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add the value of a specialized variable to the stack string.
|
|
*/
|
|
|
|
static void
|
|
varvalue(const char *name, int quoted, int subtype, int flag,
|
|
struct worddest *dst)
|
|
{
|
|
int num;
|
|
char *p;
|
|
int i;
|
|
int splitlater;
|
|
char sep[2];
|
|
char **ap;
|
|
char buf[(NSHORTOPTS > 10 ? NSHORTOPTS : 10) + 1];
|
|
|
|
if (subtype == VSLENGTH)
|
|
flag &= ~EXP_FULL;
|
|
splitlater = subtype == VSTRIMLEFT || subtype == VSTRIMLEFTMAX ||
|
|
subtype == VSTRIMRIGHT || subtype == VSTRIMRIGHTMAX;
|
|
|
|
switch (*name) {
|
|
case '$':
|
|
num = rootpid;
|
|
break;
|
|
case '?':
|
|
num = oexitstatus;
|
|
break;
|
|
case '#':
|
|
num = shellparam.nparam;
|
|
break;
|
|
case '!':
|
|
num = backgndpidval();
|
|
break;
|
|
case '-':
|
|
p = buf;
|
|
for (i = 0 ; i < NSHORTOPTS ; i++) {
|
|
if (optval[i])
|
|
*p++ = optletter[i];
|
|
}
|
|
*p = '\0';
|
|
strtodest(buf, flag, subtype, quoted, dst);
|
|
return;
|
|
case '@':
|
|
if (flag & EXP_SPLIT && quoted) {
|
|
for (ap = shellparam.p ; (p = *ap++) != NULL ; ) {
|
|
strtodest(p, flag, subtype, quoted, dst);
|
|
if (*ap) {
|
|
if (splitlater)
|
|
STPUTC('\0', expdest);
|
|
else
|
|
NEXTWORD('\0', flag, expdest,
|
|
dst);
|
|
}
|
|
}
|
|
if (shellparam.nparam > 0)
|
|
dst->state = WORD_QUOTEMARK;
|
|
return;
|
|
}
|
|
/* FALLTHROUGH */
|
|
case '*':
|
|
if (ifsset())
|
|
sep[0] = ifsval()[0];
|
|
else
|
|
sep[0] = ' ';
|
|
sep[1] = '\0';
|
|
for (ap = shellparam.p ; (p = *ap++) != NULL ; ) {
|
|
strtodest(p, flag, subtype, quoted, dst);
|
|
if (!*ap)
|
|
break;
|
|
if (sep[0])
|
|
strtodest(sep, flag, subtype, quoted, dst);
|
|
else if (flag & EXP_SPLIT && !quoted && **ap != '\0') {
|
|
if (splitlater)
|
|
STPUTC('\0', expdest);
|
|
else
|
|
NEXTWORD('\0', flag, expdest, dst);
|
|
}
|
|
}
|
|
return;
|
|
default:
|
|
if (is_digit(*name)) {
|
|
num = atoi(name);
|
|
if (num == 0)
|
|
p = arg0;
|
|
else if (num > 0 && num <= shellparam.nparam)
|
|
p = shellparam.p[num - 1];
|
|
else
|
|
return;
|
|
strtodest(p, flag, subtype, quoted, dst);
|
|
}
|
|
return;
|
|
}
|
|
cvtnum(num, buf);
|
|
strtodest(buf, flag, subtype, quoted, dst);
|
|
}
|
|
|
|
|
|
|
|
static char expdir[PATH_MAX];
|
|
#define expdir_end (expdir + sizeof(expdir))
|
|
|
|
/*
|
|
* Perform pathname generation and remove control characters.
|
|
* At this point, the only control characters should be CTLESC.
|
|
* The results are stored in the list dstlist.
|
|
*/
|
|
static void
|
|
expandmeta(char *pattern, struct arglist *dstlist)
|
|
{
|
|
char *p;
|
|
int firstmatch;
|
|
char c;
|
|
|
|
firstmatch = dstlist->count;
|
|
p = pattern;
|
|
for (; (c = *p) != '\0'; p++) {
|
|
/* fast check for meta chars */
|
|
if (c == '*' || c == '?' || c == '[') {
|
|
INTOFF;
|
|
expmeta(expdir, pattern, dstlist);
|
|
INTON;
|
|
break;
|
|
}
|
|
}
|
|
if (dstlist->count == firstmatch) {
|
|
/*
|
|
* no matches
|
|
*/
|
|
rmescapes(pattern);
|
|
appendarglist(dstlist, pattern);
|
|
} else {
|
|
qsort(&dstlist->args[firstmatch],
|
|
dstlist->count - firstmatch,
|
|
sizeof(dstlist->args[0]), expsortcmp);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Do metacharacter (i.e. *, ?, [...]) expansion.
|
|
*/
|
|
|
|
static void
|
|
expmeta(char *enddir, char *name, struct arglist *arglist)
|
|
{
|
|
const char *p;
|
|
const char *q;
|
|
const char *start;
|
|
char *endname;
|
|
int metaflag;
|
|
struct stat statb;
|
|
DIR *dirp;
|
|
struct dirent *dp;
|
|
int atend;
|
|
int matchdot;
|
|
int esc;
|
|
int namlen;
|
|
|
|
metaflag = 0;
|
|
start = name;
|
|
for (p = name; esc = 0, *p; p += esc + 1) {
|
|
if (*p == '*' || *p == '?')
|
|
metaflag = 1;
|
|
else if (*p == '[') {
|
|
q = p + 1;
|
|
if (*q == '!' || *q == '^')
|
|
q++;
|
|
for (;;) {
|
|
if (*q == CTLESC)
|
|
q++;
|
|
if (*q == '/' || *q == '\0')
|
|
break;
|
|
if (*++q == ']') {
|
|
metaflag = 1;
|
|
break;
|
|
}
|
|
}
|
|
} else if (*p == '\0')
|
|
break;
|
|
else {
|
|
if (*p == CTLESC)
|
|
esc++;
|
|
if (p[esc] == '/') {
|
|
if (metaflag)
|
|
break;
|
|
start = p + esc + 1;
|
|
}
|
|
}
|
|
}
|
|
if (metaflag == 0) { /* we've reached the end of the file name */
|
|
if (enddir != expdir)
|
|
metaflag++;
|
|
for (p = name ; ; p++) {
|
|
if (*p == CTLESC)
|
|
p++;
|
|
*enddir++ = *p;
|
|
if (*p == '\0')
|
|
break;
|
|
if (enddir == expdir_end)
|
|
return;
|
|
}
|
|
if (metaflag == 0 || lstat(expdir, &statb) >= 0)
|
|
appendarglist(arglist, stsavestr(expdir));
|
|
return;
|
|
}
|
|
endname = name + (p - name);
|
|
if (start != name) {
|
|
p = name;
|
|
while (p < start) {
|
|
if (*p == CTLESC)
|
|
p++;
|
|
*enddir++ = *p++;
|
|
if (enddir == expdir_end)
|
|
return;
|
|
}
|
|
}
|
|
if (enddir == expdir) {
|
|
p = ".";
|
|
} else if (enddir == expdir + 1 && *expdir == '/') {
|
|
p = "/";
|
|
} else {
|
|
p = expdir;
|
|
enddir[-1] = '\0';
|
|
}
|
|
if ((dirp = opendir(p)) == NULL)
|
|
return;
|
|
if (enddir != expdir)
|
|
enddir[-1] = '/';
|
|
if (*endname == 0) {
|
|
atend = 1;
|
|
} else {
|
|
atend = 0;
|
|
*endname = '\0';
|
|
endname += esc + 1;
|
|
}
|
|
matchdot = 0;
|
|
p = start;
|
|
if (*p == CTLESC)
|
|
p++;
|
|
if (*p == '.')
|
|
matchdot++;
|
|
while (! int_pending() && (dp = readdir(dirp)) != NULL) {
|
|
if (dp->d_name[0] == '.' && ! matchdot)
|
|
continue;
|
|
if (patmatch(start, dp->d_name)) {
|
|
namlen = dp->d_namlen;
|
|
if (enddir + namlen + 1 > expdir_end)
|
|
continue;
|
|
memcpy(enddir, dp->d_name, namlen + 1);
|
|
if (atend)
|
|
appendarglist(arglist, stsavestr(expdir));
|
|
else {
|
|
if (dp->d_type != DT_UNKNOWN &&
|
|
dp->d_type != DT_DIR &&
|
|
dp->d_type != DT_LNK)
|
|
continue;
|
|
if (enddir + namlen + 2 > expdir_end)
|
|
continue;
|
|
enddir[namlen] = '/';
|
|
enddir[namlen + 1] = '\0';
|
|
expmeta(enddir + namlen + 1, endname, arglist);
|
|
}
|
|
}
|
|
}
|
|
closedir(dirp);
|
|
if (! atend)
|
|
endname[-esc - 1] = esc ? CTLESC : '/';
|
|
}
|
|
|
|
|
|
static int
|
|
expsortcmp(const void *p1, const void *p2)
|
|
{
|
|
const char *s1 = *(const char * const *)p1;
|
|
const char *s2 = *(const char * const *)p2;
|
|
|
|
return (strcoll(s1, s2));
|
|
}
|
|
|
|
|
|
|
|
static wchar_t
|
|
get_wc(const char **p)
|
|
{
|
|
wchar_t c;
|
|
int chrlen;
|
|
|
|
chrlen = mbtowc(&c, *p, 4);
|
|
if (chrlen == 0)
|
|
return 0;
|
|
else if (chrlen == -1)
|
|
c = 0;
|
|
else
|
|
*p += chrlen;
|
|
return c;
|
|
}
|
|
|
|
|
|
/*
|
|
* See if a character matches a character class, starting at the first colon
|
|
* of "[:class:]".
|
|
* If a valid character class is recognized, a pointer to the next character
|
|
* after the final closing bracket is stored into *end, otherwise a null
|
|
* pointer is stored into *end.
|
|
*/
|
|
static int
|
|
match_charclass(const char *p, wchar_t chr, const char **end)
|
|
{
|
|
char name[20];
|
|
const char *nameend;
|
|
wctype_t cclass;
|
|
|
|
*end = NULL;
|
|
p++;
|
|
nameend = strstr(p, ":]");
|
|
if (nameend == NULL || (size_t)(nameend - p) >= sizeof(name) ||
|
|
nameend == p)
|
|
return 0;
|
|
memcpy(name, p, nameend - p);
|
|
name[nameend - p] = '\0';
|
|
*end = nameend + 2;
|
|
cclass = wctype(name);
|
|
/* An unknown class matches nothing but is valid nevertheless. */
|
|
if (cclass == 0)
|
|
return 0;
|
|
return iswctype(chr, cclass);
|
|
}
|
|
|
|
|
|
/*
|
|
* Returns true if the pattern matches the string.
|
|
*/
|
|
|
|
static int
|
|
patmatch(const char *pattern, const char *string)
|
|
{
|
|
const char *p, *q, *end;
|
|
const char *bt_p, *bt_q;
|
|
char c;
|
|
wchar_t wc, wc2;
|
|
|
|
p = pattern;
|
|
q = string;
|
|
bt_p = NULL;
|
|
bt_q = NULL;
|
|
for (;;) {
|
|
switch (c = *p++) {
|
|
case '\0':
|
|
if (*q != '\0')
|
|
goto backtrack;
|
|
return 1;
|
|
case CTLESC:
|
|
if (*q++ != *p++)
|
|
goto backtrack;
|
|
break;
|
|
case '?':
|
|
if (*q == '\0')
|
|
return 0;
|
|
if (localeisutf8) {
|
|
wc = get_wc(&q);
|
|
/*
|
|
* A '?' does not match invalid UTF-8 but a
|
|
* '*' does, so backtrack.
|
|
*/
|
|
if (wc == 0)
|
|
goto backtrack;
|
|
} else
|
|
q++;
|
|
break;
|
|
case '*':
|
|
c = *p;
|
|
while (c == '*')
|
|
c = *++p;
|
|
/*
|
|
* If the pattern ends here, we know the string
|
|
* matches without needing to look at the rest of it.
|
|
*/
|
|
if (c == '\0')
|
|
return 1;
|
|
/*
|
|
* First try the shortest match for the '*' that
|
|
* could work. We can forget any earlier '*' since
|
|
* there is no way having it match more characters
|
|
* can help us, given that we are already here.
|
|
*/
|
|
bt_p = p;
|
|
bt_q = q;
|
|
break;
|
|
case '[': {
|
|
const char *savep, *saveq;
|
|
int invert, found;
|
|
wchar_t chr;
|
|
|
|
savep = p, saveq = q;
|
|
invert = 0;
|
|
if (*p == '!' || *p == '^') {
|
|
invert++;
|
|
p++;
|
|
}
|
|
found = 0;
|
|
if (*q == '\0')
|
|
return 0;
|
|
if (localeisutf8) {
|
|
chr = get_wc(&q);
|
|
if (chr == 0)
|
|
goto backtrack;
|
|
} else
|
|
chr = (unsigned char)*q++;
|
|
c = *p++;
|
|
do {
|
|
if (c == '\0') {
|
|
p = savep, q = saveq;
|
|
c = '[';
|
|
goto dft;
|
|
}
|
|
if (c == '[' && *p == ':') {
|
|
found |= match_charclass(p, chr, &end);
|
|
if (end != NULL)
|
|
p = end;
|
|
}
|
|
if (c == CTLESC)
|
|
c = *p++;
|
|
if (localeisutf8 && c & 0x80) {
|
|
p--;
|
|
wc = get_wc(&p);
|
|
if (wc == 0) /* bad utf-8 */
|
|
return 0;
|
|
} else
|
|
wc = (unsigned char)c;
|
|
if (*p == '-' && p[1] != ']') {
|
|
p++;
|
|
if (*p == CTLESC)
|
|
p++;
|
|
if (localeisutf8) {
|
|
wc2 = get_wc(&p);
|
|
if (wc2 == 0) /* bad utf-8 */
|
|
return 0;
|
|
} else
|
|
wc2 = (unsigned char)*p++;
|
|
if ( collate_range_cmp(chr, wc) >= 0
|
|
&& collate_range_cmp(chr, wc2) <= 0
|
|
)
|
|
found = 1;
|
|
} else {
|
|
if (chr == wc)
|
|
found = 1;
|
|
}
|
|
} while ((c = *p++) != ']');
|
|
if (found == invert)
|
|
goto backtrack;
|
|
break;
|
|
}
|
|
dft: default:
|
|
if (*q == '\0')
|
|
return 0;
|
|
if (*q++ == c)
|
|
break;
|
|
backtrack:
|
|
/*
|
|
* If we have a mismatch (other than hitting the end
|
|
* of the string), go back to the last '*' seen and
|
|
* have it match one additional character.
|
|
*/
|
|
if (bt_p == NULL)
|
|
return 0;
|
|
if (*bt_q == '\0')
|
|
return 0;
|
|
bt_q++;
|
|
p = bt_p;
|
|
q = bt_q;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Remove any CTLESC and CTLQUOTEMARK characters from a string.
|
|
*/
|
|
|
|
void
|
|
rmescapes(char *str)
|
|
{
|
|
char *p, *q;
|
|
|
|
p = str;
|
|
while (*p != CTLESC && *p != CTLQUOTEMARK && *p != CTLQUOTEEND) {
|
|
if (*p++ == '\0')
|
|
return;
|
|
}
|
|
q = p;
|
|
while (*p) {
|
|
if (*p == CTLQUOTEMARK || *p == CTLQUOTEEND) {
|
|
p++;
|
|
continue;
|
|
}
|
|
if (*p == CTLESC)
|
|
p++;
|
|
*q++ = *p++;
|
|
}
|
|
*q = '\0';
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* See if a pattern matches in a case statement.
|
|
*/
|
|
|
|
int
|
|
casematch(union node *pattern, const char *val)
|
|
{
|
|
struct stackmark smark;
|
|
struct nodelist *argbackq;
|
|
int result;
|
|
char *p;
|
|
|
|
setstackmark(&smark);
|
|
argbackq = pattern->narg.backquote;
|
|
STARTSTACKSTR(expdest);
|
|
argstr(pattern->narg.text, &argbackq, EXP_TILDE | EXP_CASE, NULL);
|
|
STPUTC('\0', expdest);
|
|
p = grabstackstr(expdest);
|
|
result = patmatch(p, val);
|
|
popstackmark(&smark);
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Our own itoa().
|
|
*/
|
|
|
|
static void
|
|
cvtnum(int num, char *buf)
|
|
{
|
|
char temp[32];
|
|
int neg = num < 0;
|
|
char *p = temp + 31;
|
|
|
|
temp[31] = '\0';
|
|
|
|
do {
|
|
*--p = num % 10 + '0';
|
|
} while ((num /= 10) != 0);
|
|
|
|
if (neg)
|
|
*--p = '-';
|
|
|
|
memcpy(buf, p, temp + 32 - p);
|
|
}
|
|
|
|
/*
|
|
* Do most of the work for wordexp(3).
|
|
*/
|
|
|
|
int
|
|
wordexpcmd(int argc, char **argv)
|
|
{
|
|
size_t len;
|
|
int i;
|
|
|
|
out1fmt("%08x", argc - 1);
|
|
for (i = 1, len = 0; i < argc; i++)
|
|
len += strlen(argv[i]);
|
|
out1fmt("%08x", (int)len);
|
|
for (i = 1; i < argc; i++)
|
|
outbin(argv[i], strlen(argv[i]) + 1, out1);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Do most of the work for wordexp(3), new version.
|
|
*/
|
|
|
|
int
|
|
freebsd_wordexpcmd(int argc __unused, char **argv __unused)
|
|
{
|
|
struct arglist arglist;
|
|
union node *args, *n;
|
|
size_t len;
|
|
int ch;
|
|
int protected = 0;
|
|
int fd = -1;
|
|
int i;
|
|
|
|
while ((ch = nextopt("f:p")) != '\0') {
|
|
switch (ch) {
|
|
case 'f':
|
|
fd = number(shoptarg);
|
|
break;
|
|
case 'p':
|
|
protected = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (*argptr != NULL)
|
|
error("wrong number of arguments");
|
|
if (fd < 0)
|
|
error("missing fd");
|
|
INTOFF;
|
|
setinputfd(fd, 1);
|
|
INTON;
|
|
args = parsewordexp();
|
|
popfile(); /* will also close fd */
|
|
if (protected)
|
|
for (n = args; n != NULL; n = n->narg.next) {
|
|
if (n->narg.backquote != NULL) {
|
|
outcslow('C', out1);
|
|
error("command substitution disabled");
|
|
}
|
|
}
|
|
outcslow(' ', out1);
|
|
emptyarglist(&arglist);
|
|
for (n = args; n != NULL; n = n->narg.next)
|
|
expandarg(n, &arglist, EXP_FULL | EXP_TILDE);
|
|
for (i = 0, len = 0; i < arglist.count; i++)
|
|
len += strlen(arglist.args[i]);
|
|
out1fmt("%016x %016zx", arglist.count, len);
|
|
for (i = 0; i < arglist.count; i++)
|
|
outbin(arglist.args[i], strlen(arglist.args[i]) + 1, out1);
|
|
return (0);
|
|
}
|