xref: /dragonfly/contrib/ncurses/progs/toe.c (revision 333227be)
1 /****************************************************************************
2  * Copyright (c) 1998-2000 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      *
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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,   *
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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   *
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28 
29 /****************************************************************************
30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32  ****************************************************************************/
33 
34 /*
35  *	toe.c --- table of entries report generator
36  *
37  */
38 
39 #include <progs.priv.h>
40 
41 #include <sys/stat.h>
42 
43 #include <dump_entry.h>
44 #include <term_entry.h>
45 
46 MODULE_ID("$Id: toe.c,v 1.24 2000/09/09 19:52:35 tom Exp $")
47 
48 #define isDotname(name) (!strcmp(name, ".") || !strcmp(name, ".."))
49 
50 const char *_nc_progname;
51 
52 static int typelist(int eargc, char *eargv[], bool,
53     void (*)(const char *, TERMTYPE *));
54 static void deschook(const char *, TERMTYPE *);
55 
56 #if NO_LEAKS
57 #undef ExitProgram
58 static void
59 ExitProgram(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 
68 static char *
69 get_directory(char *path)
70 {
71     if (path != 0) {
72 	struct stat sb;
73 	if (stat(path, &sb) != 0
74 	    || (sb.st_mode & S_IFMT) != S_IFDIR
75 	    || access(path, R_OK | X_OK) != 0)
76 	    path = 0;
77     }
78     return path;
79 }
80 
81 int
82 main(int argc, char *argv[])
83 {
84     bool direct_dependencies = FALSE;
85     bool invert_dependencies = FALSE;
86     bool header = FALSE;
87     int i, c;
88     int code;
89 
90     _nc_progname = _nc_basename(argv[0]);
91 
92     while ((c = getopt(argc, argv, "huv:UV")) != EOF)
93 	switch (c) {
94 	case 'h':
95 	    header = TRUE;
96 	    break;
97 	case 'u':
98 	    direct_dependencies = TRUE;
99 	    break;
100 	case 'v':
101 	    set_trace_level(atoi(optarg));
102 	    break;
103 	case 'U':
104 	    invert_dependencies = TRUE;
105 	    break;
106 	case 'V':
107 	    puts(curses_version());
108 	    ExitProgram(EXIT_SUCCESS);
109 	default:
110 	    (void) fprintf(stderr, "usage: toe [-huUV] [-v n] [file...]\n");
111 	    ExitProgram(EXIT_FAILURE);
112 	}
113 
114     if (direct_dependencies || invert_dependencies) {
115 	if (freopen(argv[optind], "r", stdin) == 0) {
116 	    (void) fflush(stdout);
117 	    fprintf(stderr, "%s: can't open %s\n", _nc_progname, argv[optind]);
118 	    ExitProgram(EXIT_FAILURE);
119 	}
120 
121 	/* parse entries out of the source file */
122 	_nc_set_source(argv[optind]);
123 	_nc_read_entry_source(stdin, 0, FALSE, FALSE, NULLHOOK);
124     }
125 
126     /* maybe we want a direct-dependency listing? */
127     if (direct_dependencies) {
128 	ENTRY *qp;
129 
130 	for_entry_list(qp)
131 	    if (qp->nuses) {
132 	    int j;
133 
134 	    (void) printf("%s:", _nc_first_name(qp->tterm.term_names));
135 	    for (j = 0; j < qp->nuses; j++)
136 		(void) printf(" %s", qp->uses[j].name);
137 	    putchar('\n');
138 	}
139 
140 	ExitProgram(EXIT_SUCCESS);
141     }
142 
143     /* maybe we want a reverse-dependency listing? */
144     if (invert_dependencies) {
145 	ENTRY *qp, *rp;
146 	int matchcount;
147 
148 	for_entry_list(qp) {
149 	    matchcount = 0;
150 	    for_entry_list(rp) {
151 		if (rp->nuses == 0)
152 		    continue;
153 
154 		for (i = 0; i < rp->nuses; i++)
155 		    if (_nc_name_match(qp->tterm.term_names,
156 			    rp->uses[i].name, "|")) {
157 			if (matchcount++ == 0)
158 			    (void) printf("%s:",
159 				_nc_first_name(qp->tterm.term_names));
160 			(void) printf(" %s",
161 			    _nc_first_name(rp->tterm.term_names));
162 		    }
163 	    }
164 	    if (matchcount)
165 		putchar('\n');
166 	}
167 
168 	ExitProgram(EXIT_SUCCESS);
169     }
170 
171     /*
172      * If we get this far, user wants a simple terminal type listing.
173      */
174     if (optind < argc) {
175 	code = typelist(argc - optind, argv + optind, header, deschook);
176     } else {
177 	char *home, *eargv[3];
178 	char personal[PATH_MAX];
179 	int j;
180 
181 	j = 0;
182 	if ((eargv[j] = get_directory(getenv("TERMINFO"))) != 0) {
183 	    j++;
184 	} else {
185 	    if ((home = getenv("HOME")) != 0) {
186 		(void) sprintf(personal, PRIVATE_INFO, home);
187 		if ((eargv[j] = get_directory(personal)) != 0)
188 		    j++;
189 	    }
190 	    if ((eargv[j] = get_directory(strcpy(personal, TERMINFO))) != 0)
191 		j++;
192 	}
193 	eargv[j] = 0;
194 
195 	code = typelist(j, eargv, header, deschook);
196     }
197 
198     ExitProgram(code);
199 }
200 
201 static void
202 deschook(const char *cn, TERMTYPE * tp)
203 /* display a description for the type */
204 {
205     const char *desc;
206 
207     if ((desc = strrchr(tp->term_names, '|')) == 0)
208 	desc = "(No description)";
209     else
210 	++desc;
211 
212     (void) printf("%-10s\t%s\n", cn, desc);
213 }
214 
215 static int
216 typelist(int eargc, char *eargv[],
217     bool verbosity,
218     void (*hook) (const char *, TERMTYPE * tp))
219 /* apply a function to each entry in given terminfo directories */
220 {
221     int i;
222 
223     for (i = 0; i < eargc; i++) {
224 	DIR *termdir;
225 	struct dirent *subdir;
226 
227 	if ((termdir = opendir(eargv[i])) == 0) {
228 	    (void) fflush(stdout);
229 	    (void) fprintf(stderr,
230 		"%s: can't open terminfo directory %s\n",
231 		_nc_progname, eargv[i]);
232 	    return (EXIT_FAILURE);
233 	} else if (verbosity)
234 	    (void) printf("#\n#%s:\n#\n", eargv[i]);
235 
236 	while ((subdir = readdir(termdir)) != 0) {
237 	    size_t len = NAMLEN(subdir);
238 	    char buf[PATH_MAX];
239 	    char name_1[PATH_MAX];
240 	    DIR *entrydir;
241 	    struct dirent *entry;
242 
243 	    strncpy(name_1, subdir->d_name, len)[len] = '\0';
244 	    if (isDotname(name_1))
245 		continue;
246 
247 	    (void) sprintf(buf, "%s/%s/", eargv[i], name_1);
248 	    chdir(buf);
249 	    entrydir = opendir(".");
250 	    while ((entry = readdir(entrydir)) != 0) {
251 		char name_2[PATH_MAX];
252 		TERMTYPE lterm;
253 		char *cn;
254 		int status;
255 
256 		len = NAMLEN(entry);
257 		strncpy(name_2, entry->d_name, len)[len] = '\0';
258 		if (isDotname(name_2))
259 		    continue;
260 
261 		status = _nc_read_file_entry(name_2, &lterm);
262 		if (status <= 0) {
263 		    (void) fflush(stdout);
264 		    (void) fprintf(stderr,
265 			"toe: couldn't open terminfo file %s.\n",
266 			name_2);
267 		    return (EXIT_FAILURE);
268 		}
269 
270 		/* only visit things once, by primary name */
271 		cn = _nc_first_name(lterm.term_names);
272 		if (!strcmp(cn, name_2)) {
273 		    /* apply the selected hook function */
274 		    (*hook) (cn, &lterm);
275 		}
276 		if (lterm.term_names) {
277 		    free(lterm.term_names);
278 		    lterm.term_names = 0;
279 		}
280 		if (lterm.str_table) {
281 		    free(lterm.str_table);
282 		    lterm.str_table = 0;
283 		}
284 	    }
285 	    closedir(entrydir);
286 	}
287 	closedir(termdir);
288     }
289 
290     return (EXIT_SUCCESS);
291 }
292