librhash: Update from 1.3.5 to 1.3.6
[termux-packages] / packages / fish / column.c
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1/*
2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
20 *
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
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char copyright[] =
36"@(#) Copyright (c) 1989, 1993, 1994\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif
39
40#if 0
41#ifndef lint
42static char sccsid[] = "@(#)column.c 8.4 (Berkeley) 5/4/95";
43#endif
44#endif
45
46#include <sys/cdefs.h>
47__FBSDID("$FreeBSD$");
48
49#include <sys/types.h>
50#include <sys/ioctl.h>
51#include <sys/param.h>
52
53#include <err.h>
54#include <limits.h>
55#include <locale.h>
56#include <stdio.h>
57#include <stdlib.h>
58#include <string.h>
59#include <unistd.h>
60#include <wchar.h>
61#include <wctype.h>
62
63#define TAB 8
64
65void c_columnate(void);
66void input(FILE *);
67void maketbl(void);
68void print(void);
69void r_columnate(void);
70void usage(void);
71int width(const wchar_t *);
72
73int termwidth = 80; /* default terminal width */
74
75int entries; /* number of records */
76int eval; /* exit value */
77int maxlength; /* longest record */
78wchar_t **list; /* array of pointers to records */
79const wchar_t *separator = L"\t "; /* field separator for table option */
80
81int
82main(int argc, char **argv)
83{
84 struct winsize win;
85 FILE *fp;
86 int ch, tflag, xflag;
87 char *p;
88 const char *src;
89 wchar_t *newsep;
90 size_t seplen;
91
92 setlocale(LC_ALL, "");
93
94 if (ioctl(1, TIOCGWINSZ, &win) == -1 || !win.ws_col) {
95 if ((p = getenv("COLUMNS")))
96 termwidth = atoi(p);
97 } else
98 termwidth = win.ws_col;
99
100 tflag = xflag = 0;
101 while ((ch = getopt(argc, argv, "c:s:tx")) != -1)
102 switch(ch) {
103 case 'c':
104 termwidth = atoi(optarg);
105 break;
106 case 's':
107 src = 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));
112 if (newsep == NULL)
113 err(1, NULL);
114 mbsrtowcs(newsep, &src, seplen + 1, NULL);
115 separator = newsep;
116 break;
117 case 't':
118 tflag = 1;
119 break;
120 case 'x':
121 xflag = 1;
122 break;
123 case '?':
124 default:
125 usage();
126 }
127 argc -= optind;
128 argv += optind;
129
130 if (!*argv)
131 input(stdin);
132 else for (; *argv; ++argv)
133 if ((fp = fopen(*argv, "r"))) {
134 input(fp);
135 (void)fclose(fp);
136 } else {
137 warn("%s", *argv);
138 eval = 1;
139 }
140
141 if (!entries)
142 exit(eval);
143
144 maxlength = roundup(maxlength + 1, TAB);
145 if (tflag)
146 maketbl();
147 else if (maxlength >= termwidth)
148 print();
149 else if (xflag)
150 c_columnate();
151 else
152 r_columnate();
153 exit(eval);
154}
155
156void
157c_columnate(void)
158{
159 int chcnt, col, cnt, endcol, numcols;
160 wchar_t **lp;
161
162 numcols = termwidth / maxlength;
163 endcol = maxlength;
164 for (chcnt = col = 0, lp = list;; ++lp) {
165 wprintf(L"%ls", *lp);
166 chcnt += width(*lp);
167 if (!--entries)
168 break;
169 if (++col == numcols) {
170 chcnt = col = 0;
171 endcol = maxlength;
172 putwchar('\n');
173 } else {
174 while ((cnt = roundup(chcnt + 1, TAB)) <= endcol) {
175 (void)putwchar('\t');
176 chcnt = cnt;
177 }
178 endcol += maxlength;
179 }
180 }
181 if (chcnt)
182 putwchar('\n');
183}
184
185void
186r_columnate(void)
187{
188 int base, chcnt, cnt, col, endcol, numcols, numrows, row;
189
190 numcols = termwidth / maxlength;
191 numrows = entries / numcols;
192 if (entries % numcols)
193 ++numrows;
194
195 for (row = 0; row < numrows; ++row) {
196 endcol = maxlength;
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)
201 break;
202 while ((cnt = roundup(chcnt + 1, TAB)) <= endcol) {
203 (void)putwchar('\t');
204 chcnt = cnt;
205 }
206 endcol += maxlength;
207 }
208 putwchar('\n');
209 }
210}
211
212void
213print(void)
214{
215 int cnt;
216 wchar_t **lp;
217
218 for (cnt = entries, lp = list; cnt--; ++lp)
219 (void)wprintf(L"%ls\n", *lp);
220}
221
222typedef struct _tbl {
223 wchar_t **list;
224 int cols, *len;
225} TBL;
226#define DEFCOLS 25
227
228void
229maketbl(void)
230{
231 TBL *t;
232 int coloff, cnt;
233 wchar_t *p, **lp;
234 int *lens, maxcols;
235 TBL *tbl;
236 wchar_t **cols;
237 wchar_t *last;
238
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));
248 p = NULL)
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))))
254 err(1, NULL);
255 memset((char *)lens + maxcols * sizeof(int),
256 0, DEFCOLS * sizeof(int));
257 maxcols += DEFCOLS;
258 }
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];
268 }
269 }
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]);
275 }
276}
277
278#define DEFNUM 1000
279#define MAXLINELEN (LINE_MAX + 1)
280
281void
282input(FILE *fp)
283{
284 static int maxentry;
285 int len;
286 wchar_t *p, buf[MAXLINELEN];
287
288 if (!list)
289 if ((list = calloc((maxentry = DEFNUM), sizeof(*list))) ==
290 NULL)
291 err(1, (char *)NULL);
292 while (fgetws(buf, MAXLINELEN, fp)) {
293 for (p = buf; *p && iswspace(*p); ++p);
294 if (!*p)
295 continue;
296 if (!(p = wcschr(p, L'\n'))) {
297 warnx("line too long");
298 eval = 1;
299 continue;
300 }
301 *p = L'\0';
302 len = width(buf);
303 if (maxlength < len)
304 maxlength = len;
305 if (entries == maxentry) {
306 maxentry += DEFNUM;
307 if (!(list = realloc(list,
308 (u_int)maxentry * sizeof(*list))))
309 err(1, NULL);
310 }
311 list[entries] = malloc((wcslen(buf) + 1) * sizeof(wchar_t));
312 if (list[entries] == NULL)
313 err(1, NULL);
314 wcscpy(list[entries], buf);
315 entries++;
316 }
317}
318
319/* Like wcswidth(), but ignores non-printing characters. */
320int
321width(const wchar_t *wcs)
322{
323 int w, cw;
324
325 for (w = 0; *wcs != L'\0'; wcs++)
326 if ((cw = wcwidth(*wcs)) > 0)
327 w += cw;
328 return (w);
329}
330
331void
332usage(void)
333{
334
335 (void)fprintf(stderr,
336 "usage: column [-tx] [-c columns] [-s sep] [file ...]\n");
337 exit(1);
338}