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>
62 void c_columnate(void);
66 void r_columnate(void);
69 int termwidth = 80; /* default terminal width */
71 int entries; /* number of records */
72 int eval; /* exit value */
73 int maxlength; /* longest record */
74 char **list; /* array of pointers to records */
75 const char *separator = "\t "; /* field separator for table option */
87 if (ioctl(1, TIOCGWINSZ, &win) == -1 || !win.ws_col) {
88 if ((p = getenv("COLUMNS")))
91 termwidth = win.ws_col;
94 while ((ch = getopt(argc, argv, "c:s:tx")) != -1)
97 termwidth = atoi(optarg);
117 else for (; *argv; ++argv)
118 if ((fp = fopen(*argv, "r"))) {
129 maxlength = (maxlength + TAB) & ~(TAB - 1);
132 else if (maxlength >= termwidth)
144 int chcnt, col, cnt, endcol, numcols;
147 numcols = termwidth / maxlength;
149 for (chcnt = col = 0, lp = list;; ++lp) {
150 chcnt += printf("%s", *lp);
153 if (++col == numcols) {
158 while ((cnt = ((chcnt + TAB) & ~(TAB - 1))) <= endcol) {
172 int base, chcnt, cnt, col, endcol, numcols, numrows, row;
174 numcols = termwidth / maxlength;
175 numrows = entries / numcols;
176 if (entries % numcols)
179 for (row = 0; row < numrows; ++row) {
181 for (base = row, chcnt = col = 0; col < numcols; ++col) {
182 chcnt += printf("%s", list[base]);
183 if ((base += numrows) >= entries)
185 while ((cnt = ((chcnt + TAB) & ~(TAB - 1))) <= endcol) {
201 for (cnt = entries, lp = list; cnt--; ++lp)
202 (void)printf("%s\n", *lp);
205 typedef struct _tbl {
221 if ((t = tbl = calloc(entries, sizeof(TBL))) == NULL)
222 err(1, (char *)NULL);
223 if ((cols = calloc((maxcols = DEFCOLS), sizeof(char *))) == NULL)
224 err(1, (char *)NULL);
225 if ((lens = calloc(maxcols, sizeof(int))) == NULL)
226 err(1, (char *)NULL);
227 for (cnt = 0, lp = list; cnt < entries; ++cnt, ++lp, ++t) {
228 for (coloff = 0, p = *lp; (cols[coloff] = strtok(p, separator));
230 if (++coloff == maxcols) {
231 if (!(cols = realloc(cols, (u_int)maxcols +
232 DEFCOLS * sizeof(char *))) ||
233 !(lens = realloc(lens,
234 (u_int)maxcols + DEFCOLS * sizeof(int))))
236 memset((char *)lens + maxcols * sizeof(int),
237 0, DEFCOLS * sizeof(int));
240 if ((t->list = calloc(coloff, sizeof(char *))) == NULL)
241 err(1, (char *)NULL);
242 if ((t->len = calloc(coloff, sizeof(int))) == NULL)
243 err(1, (char *)NULL);
244 for (t->cols = coloff; --coloff >= 0;) {
245 t->list[coloff] = cols[coloff];
246 t->len[coloff] = strlen(cols[coloff]);
247 if (t->len[coloff] > lens[coloff])
248 lens[coloff] = t->len[coloff];
251 for (cnt = 0, t = tbl; cnt < entries; ++cnt, ++t) {
252 for (coloff = 0; coloff < t->cols - 1; ++coloff)
253 (void)printf("%s%*s", t->list[coloff],
254 lens[coloff] - t->len[coloff] + 2, " ");
255 (void)printf("%s\n", t->list[coloff]);
260 #define MAXLINELEN (LINE_MAX + 1)
268 char *p, buf[MAXLINELEN];
271 if ((list = calloc((maxentry = DEFNUM), sizeof(char *))) ==
273 err(1, (char *)NULL);
274 while (fgets(buf, MAXLINELEN, fp)) {
275 for (p = buf; *p && isspace(*p); ++p);
278 if (!(p = strchr(p, '\n'))) {
279 warnx("line too long");
287 if (entries == maxentry) {
289 if (!(list = realloc(list,
290 (u_int)maxentry * sizeof(char *))))
293 list[entries++] = strdup(buf);
301 (void)fprintf(stderr,
302 "usage: column [-tx] [-c columns] [-s sep] [file ...]\n");