2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Adam S. Moskowitz of Menlo Consulting.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * @(#) Copyright (c) 1989, 1993 The Regents of the University of California. All rights reserved.
33 * @(#)paste.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: head/usr.bin/paste/paste.c 227242 2011-11-06 18:49:53Z ed $
37 #include <sys/types.h>
49 static wchar_t *delim
;
52 static int parallel(char **);
53 static int sequential(char **);
54 static int tr(wchar_t *);
55 static void usage(void);
57 static wchar_t tab
[] = L
"\t";
60 main(int argc
, char *argv
[])
67 setlocale(LC_CTYPE
, "");
70 while ((ch
= getopt(argc
, argv
, "d:s")) != -1)
74 len
= mbsrtowcs(NULL
, &arg
, 0, NULL
);
75 if (len
== (size_t)-1)
77 warg
= malloc((len
+ 1) * sizeof(*warg
));
81 len
= mbsrtowcs(warg
, &arg
, len
+ 1, NULL
);
82 if (len
== (size_t)-1)
84 delimcnt
= tr(delim
= warg
);
104 rval
= sequential(argv
);
106 rval
= parallel(argv
);
110 typedef struct _list
{
118 parallel(char **argv
)
128 for (cnt
= 0, head
= tmp
= NULL
; (p
= *argv
); ++argv
, ++cnt
) {
129 if ((lp
= malloc(sizeof(LIST
))) == NULL
)
131 if (p
[0] == '-' && !p
[1])
133 else if (!(lp
->fp
= fopen(p
, "r")))
146 for (opencnt
= cnt
; opencnt
;) {
147 for (output
= 0, lp
= head
; lp
; lp
= lp
->next
) {
149 if (output
&& lp
->cnt
&&
150 (ch
= delim
[(lp
->cnt
- 1) % delimcnt
]))
154 if ((ich
= getwc(lp
->fp
)) == WEOF
) {
158 if (output
&& lp
->cnt
&&
159 (ch
= delim
[(lp
->cnt
- 1) % delimcnt
]))
164 * make sure that we don't print any delimiters
165 * unless there's a non-empty file.
169 for (cnt
= 0; cnt
< lp
->cnt
; ++cnt
)
170 if ((ch
= delim
[cnt
% delimcnt
]))
172 } else if ((ch
= delim
[(lp
->cnt
- 1) % delimcnt
]))
178 } while ((ich
= getwc(lp
->fp
)) != WEOF
&& ich
!= '\n');
188 sequential(char **argv
)
191 int cnt
, failed
, needdelim
;
196 for (; (p
= *argv
); ++argv
) {
197 if (p
[0] == '-' && !p
[1])
199 else if (!(fp
= fopen(p
, "r"))) {
205 while ((ch
= getwc(fp
)) != WEOF
) {
208 if (delim
[cnt
] != '\0')
209 putwchar(delim
[cnt
]);
210 if (++cnt
== delimcnt
)
224 return (failed
!= 0);
233 for (p
= arg
, cnt
= 0; (ch
= *p
++); ++arg
, ++cnt
)
252 errx(1, "no delimiters specified");
259 (void)fprintf(stderr
, "usage: paste [-s] [-d delimiters] file ...\n");