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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * $FreeBSD: head/usr.bin/column/column.c 227159 2011-11-06 08:14:34Z ed $
31 * @(#) Copyright (c) 1989, 1993, 1994 The Regents of the University of California. All rights reserved.
32 * @(#)column.c 8.4 (Berkeley) 5/4/95
35 #include <sys/types.h>
36 #include <sys/ioctl.h>
37 #include <sys/param.h>
51 static void c_columnate(void);
52 static void input(FILE *);
53 static void maketbl(void);
54 static void print(void);
55 static void r_columnate(void);
56 static void usage(void);
57 static int width(const wchar_t *);
59 static int termwidth = 80; /* default terminal width */
61 static int entries; /* number of records */
62 static int eval; /* exit value */
63 static int maxlength; /* longest record */
64 static wchar_t **list; /* array of pointers to records */
65 static const wchar_t *separator = L"\t "; /* field separator for table option */
68 main(int argc, char **argv)
78 setlocale(LC_ALL, "");
80 if (ioctl(1, TIOCGWINSZ, &win) == -1 || !win.ws_col) {
81 if ((p = getenv("COLUMNS")))
84 termwidth = win.ws_col;
87 while ((ch = getopt(argc, argv, "c:s:tx")) != -1)
90 termwidth = atoi(optarg);
94 seplen = mbsrtowcs(NULL, &src, 0, NULL);
95 if (seplen == (size_t)-1)
96 err(1, "bad separator");
97 newsep = malloc((seplen + 1) * sizeof(wchar_t));
100 mbsrtowcs(newsep, &src, seplen + 1, NULL);
118 else for (; *argv; ++argv)
119 if ((fp = fopen(*argv, "r"))) {
130 maxlength = roundup(maxlength + 1, TAB);
133 else if (maxlength >= termwidth)
145 int chcnt, col, cnt, endcol, numcols;
148 numcols = termwidth / maxlength;
150 for (chcnt = col = 0, lp = list;; ++lp) {
151 wprintf(L"%ls", *lp);
155 if (++col == numcols) {
160 while ((cnt = roundup(chcnt + 1, TAB)) <= endcol) {
161 (void)putwchar('\t');
174 int base, chcnt, cnt, col, endcol, numcols, numrows, row;
176 numcols = termwidth / maxlength;
177 numrows = entries / numcols;
178 if (entries % numcols)
181 for (row = 0; row < numrows; ++row) {
183 for (base = row, chcnt = col = 0; col < numcols; ++col) {
184 wprintf(L"%ls", list[base]);
185 chcnt += width(list[base]);
186 if ((base += numrows) >= entries)
188 while ((cnt = roundup(chcnt + 1, TAB)) <= endcol) {
189 (void)putwchar('\t');
204 for (cnt = entries, lp = list; cnt--; ++lp)
205 (void)wprintf(L"%ls\n", *lp);
208 typedef struct _tbl {
225 if ((t = tbl = calloc(entries, sizeof(TBL))) == NULL)
227 if ((cols = calloc((maxcols = DEFCOLS), sizeof(*cols))) == NULL)
229 if ((lens = calloc(maxcols, sizeof(int))) == NULL)
231 for (cnt = 0, lp = list; cnt < entries; ++cnt, ++lp, ++t) {
232 for (coloff = 0, p = *lp;
233 (cols[coloff] = wcstok(p, separator, &last));
235 if (++coloff == maxcols) {
236 if (!(cols = realloc(cols, ((u_int)maxcols +
237 DEFCOLS) * sizeof(char *))) ||
238 !(lens = realloc(lens,
239 ((u_int)maxcols + DEFCOLS) * sizeof(int))))
241 memset((char *)lens + maxcols * sizeof(int),
242 0, DEFCOLS * sizeof(int));
245 if ((t->list = calloc(coloff, sizeof(*t->list))) == NULL)
247 if ((t->len = calloc(coloff, sizeof(int))) == NULL)
249 for (t->cols = coloff; --coloff >= 0;) {
250 t->list[coloff] = cols[coloff];
251 t->len[coloff] = width(cols[coloff]);
252 if (t->len[coloff] > lens[coloff])
253 lens[coloff] = t->len[coloff];
256 for (cnt = 0, t = tbl; cnt < entries; ++cnt, ++t) {
257 for (coloff = 0; coloff < t->cols - 1; ++coloff)
258 (void)wprintf(L"%ls%*ls", t->list[coloff],
259 lens[coloff] - t->len[coloff] + 2, L" ");
260 (void)wprintf(L"%ls\n", t->list[coloff]);
265 #define MAXLINELEN (LINE_MAX + 1)
272 wchar_t *p, buf[MAXLINELEN];
275 if ((list = calloc((maxentry = DEFNUM), sizeof(*list))) ==
278 while (fgetws(buf, MAXLINELEN, fp)) {
279 for (p = buf; *p && iswspace(*p); ++p);
282 if (!(p = wcschr(p, L'\n'))) {
283 warnx("line too long");
291 if (entries == maxentry) {
293 if (!(list = realloc(list,
294 (u_int)maxentry * sizeof(*list))))
297 list[entries] = malloc((wcslen(buf) + 1) * sizeof(wchar_t));
298 if (list[entries] == NULL)
300 wcscpy(list[entries], buf);
305 /* Like wcswidth(), but ignores non-printing characters. */
307 width(const wchar_t *wcs)
311 for (w = 0; *wcs != L'\0'; wcs++)
312 if ((cw = wcwidth(*wcs)) > 0)
321 (void)fprintf(stderr,
322 "usage: column [-tx] [-c columns] [-s sep] [file ...]\n");