2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Adam S. Moskowitz of Menlo Consulting.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static const char copyright[] =
37 "@(#) Copyright (c) 1989, 1993\n\
38 The Regents of the University of California. All rights reserved.\n";
43 static char sccsid[] = "@(#)paste.c 8.1 (Berkeley) 6/6/93";
47 #include <sys/cdefs.h>
48 __FBSDID("$FreeBSD$");
50 #include <sys/types.h>
62 static wchar_t *delim;
65 static int parallel(char **);
66 static int sequential(char **);
67 static int tr(wchar_t *);
68 static void usage(void);
70 static wchar_t tab[] = L"\t";
73 main(int argc, char *argv[])
80 setlocale(LC_CTYPE, "");
83 while ((ch = getopt(argc, argv, "d:s")) != -1)
87 len = mbsrtowcs(NULL, &arg, 0, NULL);
88 if (len == (size_t)-1)
90 warg = malloc((len + 1) * sizeof(*warg));
94 len = mbsrtowcs(warg, &arg, len + 1, NULL);
95 if (len == (size_t)-1)
97 delimcnt = tr(delim = warg);
117 rval = sequential(argv);
119 rval = parallel(argv);
123 typedef struct _list {
131 parallel(char **argv)
141 for (cnt = 0, head = tmp = NULL; (p = *argv); ++argv, ++cnt) {
142 if ((lp = malloc(sizeof(LIST))) == NULL)
144 if (p[0] == '-' && !p[1])
146 else if (!(lp->fp = fopen(p, "r")))
159 for (opencnt = cnt; opencnt;) {
160 for (output = 0, lp = head; lp; lp = lp->next) {
162 if (output && lp->cnt &&
163 (ch = delim[(lp->cnt - 1) % delimcnt]))
167 if ((ich = getwc(lp->fp)) == WEOF) {
171 if (output && lp->cnt &&
172 (ch = delim[(lp->cnt - 1) % delimcnt]))
177 * make sure that we don't print any delimiters
178 * unless there's a non-empty file.
182 for (cnt = 0; cnt < lp->cnt; ++cnt)
183 if ((ch = delim[cnt % delimcnt]))
185 } else if ((ch = delim[(lp->cnt - 1) % delimcnt]))
191 } while ((ich = getwc(lp->fp)) != WEOF && ich != '\n');
201 sequential(char **argv)
204 int cnt, failed, needdelim;
209 for (; (p = *argv); ++argv) {
210 if (p[0] == '-' && !p[1])
212 else if (!(fp = fopen(p, "r"))) {
218 while ((ch = getwc(fp)) != WEOF) {
221 if (delim[cnt] != '\0')
222 putwchar(delim[cnt]);
223 if (++cnt == delimcnt)
237 return (failed != 0);
246 for (p = arg, cnt = 0; (ch = *p++); ++arg, ++cnt)
265 errx(1, "no delimiters specified");
272 (void)fprintf(stderr, "usage: paste [-s] [-d delimiters] file ...\n");