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");