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 * 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 ****************************************************************************/ 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 1.22 2000/03/11 21:47:35 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 if ((_nc_progname = strrchr(argv[0], '/')) == 0) 91 _nc_progname = argv[0]; 92 else 93 _nc_progname++; 94 95 while ((c = getopt(argc, argv, "huv:UV")) != EOF) 96 switch (c) { 97 case 'h': 98 header = TRUE; 99 break; 100 case 'u': 101 direct_dependencies = TRUE; 102 break; 103 case 'v': 104 set_trace_level(atoi(optarg)); 105 break; 106 case 'U': 107 invert_dependencies = TRUE; 108 break; 109 case 'V': 110 (void) fputs(NCURSES_VERSION, stdout); 111 putchar('\n'); 112 ExitProgram(EXIT_SUCCESS); 113 default: 114 (void) fprintf(stderr, "usage: toe [-huUV] [-v n] [file...]\n"); 115 ExitProgram(EXIT_FAILURE); 116 } 117 118 if (direct_dependencies || invert_dependencies) { 119 if (freopen(argv[optind], "r", stdin) == 0) { 120 (void) fflush(stdout); 121 fprintf(stderr, "%s: can't open %s\n", _nc_progname, argv[optind]); 122 ExitProgram(EXIT_FAILURE); 123 } 124 125 /* parse entries out of the source file */ 126 _nc_set_source(argv[optind]); 127 _nc_read_entry_source(stdin, 0, FALSE, FALSE, NULLHOOK); 128 } 129 130 /* maybe we want a direct-dependency listing? */ 131 if (direct_dependencies) { 132 ENTRY *qp; 133 134 for_entry_list(qp) 135 if (qp->nuses) { 136 int j; 137 138 (void) printf("%s:", _nc_first_name(qp->tterm.term_names)); 139 for (j = 0; j < qp->nuses; j++) 140 (void) printf(" %s", qp->uses[j].name); 141 putchar('\n'); 142 } 143 144 ExitProgram(EXIT_SUCCESS); 145 } 146 147 /* maybe we want a reverse-dependency listing? */ 148 if (invert_dependencies) { 149 ENTRY *qp, *rp; 150 int matchcount; 151 152 for_entry_list(qp) { 153 matchcount = 0; 154 for_entry_list(rp) { 155 if (rp->nuses == 0) 156 continue; 157 158 for (i = 0; i < rp->nuses; i++) 159 if (_nc_name_match(qp->tterm.term_names, 160 rp->uses[i].name, "|")) { 161 if (matchcount++ == 0) 162 (void) printf("%s:", 163 _nc_first_name(qp->tterm.term_names)); 164 (void) printf(" %s", 165 _nc_first_name(rp->tterm.term_names)); 166 } 167 } 168 if (matchcount) 169 putchar('\n'); 170 } 171 172 ExitProgram(EXIT_SUCCESS); 173 } 174 175 /* 176 * If we get this far, user wants a simple terminal type listing. 177 */ 178 if (optind < argc) { 179 code = typelist(argc - optind, argv + optind, header, deschook); 180 } else { 181 char *home, *eargv[3]; 182 char personal[PATH_MAX]; 183 int j; 184 185 j = 0; 186 if ((eargv[j] = get_directory(getenv("TERMINFO"))) != 0) { 187 j++; 188 } else { 189 if ((home = getenv("HOME")) != 0) { 190 (void) sprintf(personal, PRIVATE_INFO, home); 191 if ((eargv[j] = get_directory(personal)) != 0) 192 j++; 193 } 194 if ((eargv[j] = get_directory(TERMINFO)) != 0) 195 j++; 196 } 197 eargv[j] = 0; 198 199 code = typelist(j, eargv, header, deschook); 200 } 201 202 ExitProgram(code); 203 } 204 205 static void 206 deschook(const char *cn, TERMTYPE * tp) 207 /* display a description for the type */ 208 { 209 const char *desc; 210 211 if ((desc = strrchr(tp->term_names, '|')) == 0) 212 desc = "(No description)"; 213 else 214 ++desc; 215 216 (void) printf("%-10s\t%s\n", cn, desc); 217 } 218 219 static int 220 typelist(int eargc, char *eargv[], 221 bool verbosity, 222 void (*hook) (const char *, TERMTYPE * tp)) 223 /* apply a function to each entry in given terminfo directories */ 224 { 225 int i; 226 227 for (i = 0; i < eargc; i++) { 228 DIR *termdir; 229 struct dirent *subdir; 230 231 if ((termdir = opendir(eargv[i])) == 0) { 232 (void) fflush(stdout); 233 (void) fprintf(stderr, 234 "%s: can't open terminfo directory %s\n", 235 _nc_progname, eargv[i]); 236 return (EXIT_FAILURE); 237 } else if (verbosity) 238 (void) printf("#\n#%s:\n#\n", eargv[i]); 239 240 while ((subdir = readdir(termdir)) != 0) { 241 size_t len = NAMLEN(subdir); 242 char buf[PATH_MAX]; 243 char name_1[PATH_MAX]; 244 DIR *entrydir; 245 struct dirent *entry; 246 247 strncpy(name_1, subdir->d_name, len)[len] = '\0'; 248 if (isDotname(name_1)) 249 continue; 250 251 (void) sprintf(buf, "%s/%s/", eargv[i], name_1); 252 chdir(buf); 253 entrydir = opendir("."); 254 while ((entry = readdir(entrydir)) != 0) { 255 char name_2[PATH_MAX]; 256 TERMTYPE lterm; 257 char *cn; 258 int status; 259 260 len = NAMLEN(entry); 261 strncpy(name_2, entry->d_name, len)[len] = '\0'; 262 if (isDotname(name_2)) 263 continue; 264 265 status = _nc_read_file_entry(name_2, <erm); 266 if (status <= 0) { 267 (void) fflush(stdout); 268 (void) fprintf(stderr, 269 "toe: couldn't open terminfo file %s.\n", 270 name_2); 271 return (EXIT_FAILURE); 272 } 273 274 /* only visit things once, by primary name */ 275 cn = _nc_first_name(lterm.term_names); 276 if (!strcmp(cn, name_2)) { 277 /* apply the selected hook function */ 278 (*hook) (cn, <erm); 279 } 280 if (lterm.term_names) { 281 free(lterm.term_names); 282 lterm.term_names = 0; 283 } 284 if (lterm.str_table) { 285 free(lterm.str_table); 286 lterm.str_table = 0; 287 } 288 } 289 closedir(entrydir); 290 } 291 closedir(termdir); 292 } 293 294 return (EXIT_SUCCESS); 295 } 296