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
33 * $FreeBSD: src/usr.bin/column/column.c,v 1.4.6.2 2001/08/02 01:34:19 obrien Exp $
37 static const char copyright[] =
38 "@(#) Copyright (c) 1989, 1993, 1994\n\
39 The Regents of the University of California. All rights reserved.\n";
43 static const char sccsid[] = "@(#)column.c 8.4 (Berkeley) 5/4/95";
46 #include <sys/types.h>
47 #include <sys/ioctl.h>
59 void c_columnate __P((void));
60 void input __P((FILE *));
61 void maketbl __P((void));
62 void print __P((void));
63 void r_columnate __P((void));
64 void usage __P((void));
66 int termwidth = 80; /* default terminal width */
68 int entries; /* number of records */
69 int eval; /* exit value */
70 int maxlength; /* longest record */
71 char **list; /* array of pointers to records */
72 char *separator = "\t "; /* field separator for table option */
84 if (ioctl(1, TIOCGWINSZ, &win) == -1 || !win.ws_col) {
85 if ((p = getenv("COLUMNS")))
88 termwidth = win.ws_col;
91 while ((ch = getopt(argc, argv, "c:s:tx")) != -1)
94 termwidth = atoi(optarg);
114 else for (; *argv; ++argv)
115 if ((fp = fopen(*argv, "r"))) {
126 maxlength = (maxlength + TAB) & ~(TAB - 1);
129 else if (maxlength >= termwidth)
141 int chcnt, col, cnt, endcol, numcols;
144 numcols = termwidth / maxlength;
146 for (chcnt = col = 0, lp = list;; ++lp) {
147 chcnt += printf("%s", *lp);
150 if (++col == numcols) {
155 while ((cnt = ((chcnt + TAB) & ~(TAB - 1))) <= endcol) {
169 int base, chcnt, cnt, col, endcol, numcols, numrows, row;
171 numcols = termwidth / maxlength;
172 numrows = entries / numcols;
173 if (entries % numcols)
176 for (row = 0; row < numrows; ++row) {
178 for (base = row, chcnt = col = 0; col < numcols; ++col) {
179 chcnt += printf("%s", list[base]);
180 if ((base += numrows) >= entries)
182 while ((cnt = ((chcnt + TAB) & ~(TAB - 1))) <= endcol) {
198 for (cnt = entries, lp = list; cnt--; ++lp)
199 (void)printf("%s\n", *lp);
202 typedef struct _tbl {
218 if ((t = tbl = calloc(entries, sizeof(TBL))) == NULL)
219 err(1, (char *)NULL);
220 if ((cols = calloc((maxcols = DEFCOLS), sizeof(char *))) == NULL)
221 err(1, (char *)NULL);
222 if ((lens = calloc(maxcols, sizeof(int))) == NULL)
223 err(1, (char *)NULL);
224 for (cnt = 0, lp = list; cnt < entries; ++cnt, ++lp, ++t) {
225 for (coloff = 0, p = *lp; (cols[coloff] = strtok(p, separator));
227 if (++coloff == maxcols) {
228 if (!(cols = realloc(cols, (u_int)maxcols +
229 DEFCOLS * sizeof(char *))) ||
230 !(lens = realloc(lens,
231 (u_int)maxcols + DEFCOLS * sizeof(int))))
233 memset((char *)lens + maxcols * sizeof(int),
234 0, DEFCOLS * sizeof(int));
237 if ((t->list = calloc(coloff, sizeof(char *))) == NULL)
238 err(1, (char *)NULL);
239 if ((t->len = calloc(coloff, sizeof(int))) == NULL)
240 err(1, (char *)NULL);
241 for (t->cols = coloff; --coloff >= 0;) {
242 t->list[coloff] = cols[coloff];
243 t->len[coloff] = strlen(cols[coloff]);
244 if (t->len[coloff] > lens[coloff])
245 lens[coloff] = t->len[coloff];
248 for (cnt = 0, t = tbl; cnt < entries; ++cnt, ++t) {
249 for (coloff = 0; coloff < t->cols - 1; ++coloff)
250 (void)printf("%s%*s", t->list[coloff],
251 lens[coloff] - t->len[coloff] + 2, " ");
252 (void)printf("%s\n", t->list[coloff]);
257 #define MAXLINELEN (LINE_MAX + 1)
265 char *p, buf[MAXLINELEN];
268 if ((list = calloc((maxentry = DEFNUM), sizeof(char *))) ==
270 err(1, (char *)NULL);
271 while (fgets(buf, MAXLINELEN, fp)) {
272 for (p = buf; *p && isspace(*p); ++p);
275 if (!(p = strchr(p, '\n'))) {
276 warnx("line too long");
284 if (entries == maxentry) {
286 if (!(list = realloc(list,
287 (u_int)maxentry * sizeof(char *))))
290 list[entries++] = strdup(buf);
298 (void)fprintf(stderr,
299 "usage: column [-tx] [-c columns] [-s sep] [file ...]\n");