source: trunk/ncurses/progs/toe.c@ 2705

Last change on this file since 2705 was 2621, checked in by bird, 20 years ago

GNU ncurses 5.5
File size: 8.2 KB
Line 
1/****************************************************************************
2 * Copyright (c) 1998-2002,2005 Free Software Foundation, Inc. *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
22 * *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29/****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 * and: Thomas E. Dickey 1996-on *
33 ****************************************************************************/
34
35/*
36 * toe.c --- table of entries report generator
37 *
38 */
39
40#include <progs.priv.h>
41
42#include <sys/stat.h>
43
44#include <dump_entry.h>
45
46MODULE_ID("$Id: toe.c,v 1.29 2005/09/25 00:39:43 tom Exp $")
47
48#define isDotname(name) (!strcmp(name, ".") || !strcmp(name, ".."))
49
50const char *_nc_progname;
51
52static int typelist(int eargc, char *eargv[], bool,
53 void (*)(const char *, TERMTYPE *));
54static void deschook(const char *, TERMTYPE *);
55
56#if NO_LEAKS
57#undef ExitProgram
58static void
59ExitProgram(int code) GCC_NORETURN;
60 static void ExitProgram(int code)
61{
62 _nc_free_entries(_nc_head);
63 _nc_leaks_dump_entry();
64 _nc_free_and_exit(code);
65}
66#endif
67
68static bool
69is_a_file(char *path)
70{
71 struct stat sb;
72 return (stat(path, &sb) == 0
73 && (sb.st_mode & S_IFMT) == S_IFREG);
74}
75
76static bool
77is_a_directory(char *path)
78{
79 struct stat sb;
80 return (stat(path, &sb) == 0
81 && (sb.st_mode & S_IFMT) == S_IFDIR);
82}
83
84static char *
85get_directory(char *path)
86{
87 if (path != 0) {
88 if (!is_a_directory(path)
89 || access(path, R_OK | X_OK) != 0)
90 path = 0;
91 }
92 return path;
93}
94
95int
96main(int argc, char *argv[])
97{
98 bool direct_dependencies = FALSE;
99 bool invert_dependencies = FALSE;
100 bool header = FALSE;
101 int i, c;
102 int code;
103
104 _nc_progname = _nc_rootname(argv[0]);
105
106 while ((c = getopt(argc, argv, "huv:UV")) != EOF)
107 switch (c) {
108 case 'h':
109 header = TRUE;
110 break;
111 case 'u':
112 direct_dependencies = TRUE;
113 break;
114 case 'v':
115 set_trace_level(atoi(optarg));
116 break;
117 case 'U':
118 invert_dependencies = TRUE;
119 break;
120 case 'V':
121 puts(curses_version());
122 ExitProgram(EXIT_SUCCESS);
123 default:
124 (void) fprintf(stderr, "usage: toe [-huUV] [-v n] [file...]\n");
125 ExitProgram(EXIT_FAILURE);
126 }
127
128 if (direct_dependencies || invert_dependencies) {
129 if (freopen(argv[optind], "r", stdin) == 0) {
130 (void) fflush(stdout);
131 fprintf(stderr, "%s: can't open %s\n", _nc_progname, argv[optind]);
132 ExitProgram(EXIT_FAILURE);
133 }
134
135 /* parse entries out of the source file */
136 _nc_set_source(argv[optind]);
137 _nc_read_entry_source(stdin, 0, FALSE, FALSE, NULLHOOK);
138 }
139
140 /* maybe we want a direct-dependency listing? */
141 if (direct_dependencies) {
142 ENTRY *qp;
143
144 for_entry_list(qp) {
145 if (qp->nuses) {
146 int j;
147
148 (void) printf("%s:", _nc_first_name(qp->tterm.term_names));
149 for (j = 0; j < qp->nuses; j++)
150 (void) printf(" %s", qp->uses[j].name);
151 putchar('\n');
152 }
153 }
154
155 ExitProgram(EXIT_SUCCESS);
156 }
157
158 /* maybe we want a reverse-dependency listing? */
159 if (invert_dependencies) {
160 ENTRY *qp, *rp;
161 int matchcount;
162
163 for_entry_list(qp) {
164 matchcount = 0;
165 for_entry_list(rp) {
166 if (rp->nuses == 0)
167 continue;
168
169 for (i = 0; i < rp->nuses; i++)
170 if (_nc_name_match(qp->tterm.term_names,
171 rp->uses[i].name, "|")) {
172 if (matchcount++ == 0)
173 (void) printf("%s:",
174 _nc_first_name(qp->tterm.term_names));
175 (void) printf(" %s",
176 _nc_first_name(rp->tterm.term_names));
177 }
178 }
179 if (matchcount)
180 putchar('\n');
181 }
182
183 ExitProgram(EXIT_SUCCESS);
184 }
185
186 /*
187 * If we get this far, user wants a simple terminal type listing.
188 */
189 if (optind < argc) {
190 code = typelist(argc - optind, argv + optind, header, deschook);
191 } else {
192 char *home, *eargv[3];
193 char personal[PATH_MAX];
194 int j;
195
196 j = 0;
197 if ((eargv[j] = get_directory(getenv("TERMINFO"))) != 0) {
198 j++;
199 } else {
200 if ((home = getenv("HOME")) != 0) {
201 (void) sprintf(personal, PRIVATE_INFO, home);
202 if ((eargv[j] = get_directory(personal)) != 0)
203 j++;
204 }
205 if ((eargv[j] = get_directory(strcpy(personal, TERMINFO))) != 0)
206 j++;
207 }
208 eargv[j] = 0;
209
210 code = typelist(j, eargv, header, deschook);
211 }
212
213 ExitProgram(code);
214}
215
216static void
217deschook(const char *cn, TERMTYPE * tp)
218/* display a description for the type */
219{
220 const char *desc;
221
222 if ((desc = strrchr(tp->term_names, '|')) == 0)
223 desc = "(No description)";
224 else
225 ++desc;
226
227 (void) printf("%-10s\t%s\n", cn, desc);
228}
229
230static int
231typelist(int eargc, char *eargv[],
232 bool verbosity,
233 void (*hook) (const char *, TERMTYPE * tp))
234/* apply a function to each entry in given terminfo directories */
235{
236 int i;
237
238 for (i = 0; i < eargc; i++) {
239 DIR *termdir;
240 DIRENT *subdir;
241
242 if ((termdir = opendir(eargv[i])) == 0) {
243 (void) fflush(stdout);
244 (void) fprintf(stderr,
245 "%s: can't open terminfo directory %s\n",
246 _nc_progname, eargv[i]);
247 return (EXIT_FAILURE);
248 } else if (verbosity)
249 (void) printf("#\n#%s:\n#\n", eargv[i]);
250
251 while ((subdir = readdir(termdir)) != 0) {
252 size_t len = NAMLEN(subdir);
253 char buf[PATH_MAX];
254 char name_1[PATH_MAX];
255 DIR *entrydir;
256 DIRENT *entry;
257
258 strncpy(name_1, subdir->d_name, len)[len] = '\0';
259 if (isDotname(name_1))
260 continue;
261
262 (void) sprintf(buf, "%s/%s/", eargv[i], name_1);
263 if (chdir(buf) != 0)
264 continue;
265
266 entrydir = opendir(".");
267 while ((entry = readdir(entrydir)) != 0) {
268 char name_2[PATH_MAX];
269 TERMTYPE lterm;
270 char *cn;
271 int status;
272
273 len = NAMLEN(entry);
274 strncpy(name_2, entry->d_name, len)[len] = '\0';
275 if (isDotname(name_2) || !is_a_file(name_2))
276 continue;
277
278 status = _nc_read_file_entry(name_2, &lterm);
279 if (status <= 0) {
280 (void) fflush(stdout);
281 (void) fprintf(stderr,
282 "toe: couldn't open terminfo file %s.\n",
283 name_2);
284 return (EXIT_FAILURE);
285 }
286
287 /* only visit things once, by primary name */
288 cn = _nc_first_name(lterm.term_names);
289 if (!strcmp(cn, name_2)) {
290 /* apply the selected hook function */
291 (*hook) (cn, &lterm);
292 }
293 if (lterm.term_names) {
294 free(lterm.term_names);
295 lterm.term_names = 0;
296 }
297 if (lterm.str_table) {
298 free(lterm.str_table);
299 lterm.str_table = 0;
300 }
301 }
302 closedir(entrydir);
303 }
304 closedir(termdir);
305 }
306
307 return (EXIT_SUCCESS);
308}
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