2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static const char copyright[] =
36 "@(#) Copyright (c) 1989, 1993, 1994\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)column.c 8.4 (Berkeley) 5/4/95";
46 #include <sys/cdefs.h>
47 __FBSDID("$FreeBSD$");
49 #include <sys/types.h>
50 #include <sys/ioctl.h>
51 #include <sys/param.h>
65 void c_columnate(void);
69 void r_columnate(void);
71 int width(const wchar_t *);
73 int termwidth = 80; /* default terminal width */
75 int entries; /* number of records */
76 int eval; /* exit value */
77 int maxlength; /* longest record */
78 wchar_t **list; /* array of pointers to records */
79 const wchar_t *separator = L"\t "; /* field separator for table option */
82 main(int argc, char **argv)
92 setlocale(LC_ALL, "");
94 if (ioctl(1, TIOCGWINSZ, &win) == -1 || !win.ws_col) {
95 if ((p = getenv("COLUMNS")))
98 termwidth = win.ws_col;
101 while ((ch = getopt(argc, argv, "c:s:tx")) != -1)
104 termwidth = atoi(optarg);
108 seplen = mbsrtowcs(NULL, &src, 0, NULL);
109 if (seplen == (size_t)-1)
110 err(1, "bad separator");
111 newsep = malloc((seplen + 1) * sizeof(wchar_t));
114 mbsrtowcs(newsep, &src, seplen + 1, NULL);
132 else for (; *argv; ++argv)
133 if ((fp = fopen(*argv, "r"))) {
144 maxlength = roundup(maxlength + 1, TAB);
147 else if (maxlength >= termwidth)
159 int chcnt, col, cnt, endcol, numcols;
162 numcols = termwidth / maxlength;
164 for (chcnt = col = 0, lp = list;; ++lp) {
165 wprintf(L"%ls", *lp);
169 if (++col == numcols) {
174 while ((cnt = roundup(chcnt + 1, TAB)) <= endcol) {
175 (void)putwchar('\t');
188 int base, chcnt, cnt, col, endcol, numcols, numrows, row;
190 numcols = termwidth / maxlength;
191 numrows = entries / numcols;
192 if (entries % numcols)
195 for (row = 0; row < numrows; ++row) {
197 for (base = row, chcnt = col = 0; col < numcols; ++col) {
198 wprintf(L"%ls", list[base]);
199 chcnt += width(list[base]);
200 if ((base += numrows) >= entries)
202 while ((cnt = roundup(chcnt + 1, TAB)) <= endcol) {
203 (void)putwchar('\t');
218 for (cnt = entries, lp = list; cnt--; ++lp)
219 (void)wprintf(L"%ls\n", *lp);
222 typedef struct _tbl {
239 if ((t = tbl = calloc(entries, sizeof(TBL))) == NULL)
240 err(1, (char *)NULL);
241 if ((cols = calloc((maxcols = DEFCOLS), sizeof(*cols))) == NULL)
242 err(1, (char *)NULL);
243 if ((lens = calloc(maxcols, sizeof(int))) == NULL)
244 err(1, (char *)NULL);
245 for (cnt = 0, lp = list; cnt < entries; ++cnt, ++lp, ++t) {
246 for (coloff = 0, p = *lp;
247 (cols[coloff] = wcstok(p, separator, &last));
249 if (++coloff == maxcols) {
250 if (!(cols = realloc(cols, ((u_int)maxcols +
251 DEFCOLS) * sizeof(char *))) ||
252 !(lens = realloc(lens,
253 ((u_int)maxcols + DEFCOLS) * sizeof(int))))
255 memset((char *)lens + maxcols * sizeof(int),
256 0, DEFCOLS * sizeof(int));
259 if ((t->list = calloc(coloff, sizeof(*t->list))) == NULL)
260 err(1, (char *)NULL);
261 if ((t->len = calloc(coloff, sizeof(int))) == NULL)
262 err(1, (char *)NULL);
263 for (t->cols = coloff; --coloff >= 0;) {
264 t->list[coloff] = cols[coloff];
265 t->len[coloff] = width(cols[coloff]);
266 if (t->len[coloff] > lens[coloff])
267 lens[coloff] = t->len[coloff];
270 for (cnt = 0, t = tbl; cnt < entries; ++cnt, ++t) {
271 for (coloff = 0; coloff < t->cols - 1; ++coloff)
272 (void)wprintf(L"%ls%*ls", t->list[coloff],
273 lens[coloff] - t->len[coloff] + 2, L" ");
274 (void)wprintf(L"%ls\n", t->list[coloff]);
279 #define MAXLINELEN (LINE_MAX + 1)
286 wchar_t *p, buf[MAXLINELEN];
289 if ((list = calloc((maxentry = DEFNUM), sizeof(*list))) ==
291 err(1, (char *)NULL);
292 while (fgetws(buf, MAXLINELEN, fp)) {
293 for (p = buf; *p && iswspace(*p); ++p);
296 if (!(p = wcschr(p, L'\n'))) {
297 warnx("line too long");
305 if (entries == maxentry) {
307 if (!(list = realloc(list,
308 (u_int)maxentry * sizeof(*list))))
311 list[entries] = malloc((wcslen(buf) + 1) * sizeof(wchar_t));
312 if (list[entries] == NULL)
314 wcscpy(list[entries], buf);
319 /* Like wcswidth(), but ignores non-printing characters. */
321 width(const wchar_t *wcs)
325 for (w = 0; *wcs != L'\0'; wcs++)
326 if ((cw = wcwidth(*wcs)) > 0)
335 (void)fprintf(stderr,
336 "usage: column [-tx] [-c columns] [-s sep] [file ...]\n");