Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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193
examples/loadables/print.c
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193
examples/loadables/print.c
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/*
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* print -- loadable ksh-93 style print builtin
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*/
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/*
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Copyright (C) 1999-2009 Free Software Foundation, Inc.
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This file is part of GNU Bash.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "bashtypes.h"
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include "bashansi.h"
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#include "shell.h"
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#include "builtins.h"
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#include "stdc.h"
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#include "bashgetopt.h"
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#include "builtext.h"
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#include "common.h"
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#if !defined (errno)
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extern int errno;
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#endif
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int print_builtin ();
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static int printargs ();
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static FILE *ofp;
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extern char *this_command_name;
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static char *print_doc[] = {
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"Display arguments.",
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"",
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"Output the arguments. The -f option means to use the argument as a",
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"format string as would be supplied to printf(1). The rest of the",
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"options are as in ksh.",
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(char *)NULL
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};
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struct builtin print_struct = {
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"print",
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print_builtin,
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BUILTIN_ENABLED,
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print_doc,
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"print [-Rnprs] [-u unit] [-f format] [arguments]",
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(char *)0
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};
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#ifndef ISOPTION
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#define ISOPTION(s, c) (s[0] == '-' && s[2] == '\0' && s[1] == c)
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#endif
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int
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print_builtin (list)
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WORD_LIST *list;
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{
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int c, r, nflag, raw, ofd, sflag;
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intmax_t lfd;
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char **v, *pfmt, *arg;
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WORD_LIST *l;
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nflag = raw = sflag = 0;
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ofd = 1;
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pfmt = 0;
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reset_internal_getopt ();
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while ((c = internal_getopt (list, "Rnprsu:f:")) != -1)
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{
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switch (c)
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{
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case 'R':
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raw = 2;
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loptend = lcurrent;
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if (loptend && ISOPTION (loptend->word->word, 'n'))
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{
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loptend = loptend->next;
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nflag = 1;
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}
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goto opt_end;
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case 'r':
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raw = 1;
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break;
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case 'n':
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nflag = 1;
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break;
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case 's':
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sflag = 1;
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break;
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case 'p':
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break; /* NOP */
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case 'u':
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if (all_digits (list_optarg) && legal_number (list_optarg, &lfd) && lfd == (int)lfd)
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ofd = lfd;
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else
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{
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for (l = list; l->next && l->next != lcurrent; l = l->next);
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lcurrent = loptend = l;
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goto opt_end;
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}
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break;
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case 'f':
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pfmt = list_optarg;
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break;
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CASE_HELPOPT;
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default:
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builtin_usage ();
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return (EX_USAGE);
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}
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}
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opt_end:
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list = loptend;
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ofp = (ofd == 1) ? stdout : fdopen (dup (ofd), "w");
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if (pfmt)
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{
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WORD_DESC *w;
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WORD_LIST *nlist;
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w = make_word (pfmt);
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nlist = make_word_list (w, list);
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r = printf_builtin (nlist);
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nlist->next = (WORD_LIST *)NULL;
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dispose_words (nlist);
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return (r);
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}
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if (raw)
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{
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for (l = list; l; l = l->next)
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{
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fprintf (ofp, "%s", l->word->word);
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if (l->next)
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fprintf (ofp, " ");
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}
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if (nflag == 0)
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fprintf (ofp, "\n");
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fflush (ofp);
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return (0);
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}
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r = printargs (list, ofp);
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if (r && nflag == 0)
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fprintf (ofp, "\n");
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if (ofd != 1)
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fclose (ofp);
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return 0;
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}
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static int
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printargs (list, ofp)
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WORD_LIST *list;
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FILE *ofp;
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{
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WORD_LIST *l;
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char *ostr;
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int sawc;
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for (sawc = 0, l = list; l; l = l->next)
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{
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ostr = ansicstr (l->word->word, strlen (l->word->word), 0, &sawc, (int *)0);
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if (ostr)
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fprintf (ofp, "%s", ostr);
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free (ostr);
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if (sawc)
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return (0);
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if (l->next)
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fprintf (ofp, " ");
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}
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return (1);
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}
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