308 lines
8.2 KiB
C
308 lines
8.2 KiB
C
/****************************************************************************
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* Copyright (c) 1998,2000,2001 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
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* and: Eric S. Raymond <esr@snark.thyrsus.com> *
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****************************************************************************/
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/*
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* toe.c --- table of entries report generator
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*
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*/
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#include <progs.priv.h>
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#include <sys/stat.h>
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#include <dump_entry.h>
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#include <term_entry.h>
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MODULE_ID("$Id: toe.c,v 1.26 2001/06/16 11:00:41 tom Exp $")
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#define isDotname(name) (!strcmp(name, ".") || !strcmp(name, ".."))
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const char *_nc_progname;
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static int typelist(int eargc, char *eargv[], bool,
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void (*)(const char *, TERMTYPE *));
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static void deschook(const char *, TERMTYPE *);
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#if NO_LEAKS
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#undef ExitProgram
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static void
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ExitProgram(int code) GCC_NORETURN;
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static void ExitProgram(int code)
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{
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_nc_free_entries(_nc_head);
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_nc_leaks_dump_entry();
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_nc_free_and_exit(code);
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}
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#endif
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static bool
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is_a_file(char *path)
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{
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struct stat sb;
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return (stat(path, &sb) == 0
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&& (sb.st_mode & S_IFMT) == S_IFREG);
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}
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static bool
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is_a_directory(char *path)
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{
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struct stat sb;
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return (stat(path, &sb) == 0
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&& (sb.st_mode & S_IFMT) == S_IFDIR);
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}
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static char *
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get_directory(char *path)
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{
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if (path != 0) {
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if (!is_a_directory(path)
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|| access(path, R_OK | X_OK) != 0)
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path = 0;
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}
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return path;
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}
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int
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main(int argc, char *argv[])
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{
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bool direct_dependencies = FALSE;
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bool invert_dependencies = FALSE;
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bool header = FALSE;
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int i, c;
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int code;
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_nc_progname = _nc_rootname(argv[0]);
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while ((c = getopt(argc, argv, "huv:UV")) != EOF)
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switch (c) {
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case 'h':
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header = TRUE;
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break;
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case 'u':
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direct_dependencies = TRUE;
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break;
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case 'v':
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set_trace_level(atoi(optarg));
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break;
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case 'U':
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invert_dependencies = TRUE;
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break;
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case 'V':
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puts(curses_version());
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ExitProgram(EXIT_SUCCESS);
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default:
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(void) fprintf(stderr, "usage: toe [-huUV] [-v n] [file...]\n");
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ExitProgram(EXIT_FAILURE);
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}
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if (direct_dependencies || invert_dependencies) {
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if (freopen(argv[optind], "r", stdin) == 0) {
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(void) fflush(stdout);
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fprintf(stderr, "%s: can't open %s\n", _nc_progname, argv[optind]);
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ExitProgram(EXIT_FAILURE);
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}
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/* parse entries out of the source file */
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_nc_set_source(argv[optind]);
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_nc_read_entry_source(stdin, 0, FALSE, FALSE, NULLHOOK);
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}
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/* maybe we want a direct-dependency listing? */
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if (direct_dependencies) {
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ENTRY *qp;
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for_entry_list(qp)
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if (qp->nuses) {
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int j;
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(void) printf("%s:", _nc_first_name(qp->tterm.term_names));
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for (j = 0; j < qp->nuses; j++)
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(void) printf(" %s", qp->uses[j].name);
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putchar('\n');
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}
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ExitProgram(EXIT_SUCCESS);
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}
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/* maybe we want a reverse-dependency listing? */
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if (invert_dependencies) {
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ENTRY *qp, *rp;
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int matchcount;
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for_entry_list(qp) {
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matchcount = 0;
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for_entry_list(rp) {
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if (rp->nuses == 0)
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continue;
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for (i = 0; i < rp->nuses; i++)
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if (_nc_name_match(qp->tterm.term_names,
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rp->uses[i].name, "|")) {
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if (matchcount++ == 0)
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(void) printf("%s:",
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_nc_first_name(qp->tterm.term_names));
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(void) printf(" %s",
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_nc_first_name(rp->tterm.term_names));
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}
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}
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if (matchcount)
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putchar('\n');
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}
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ExitProgram(EXIT_SUCCESS);
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}
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/*
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* If we get this far, user wants a simple terminal type listing.
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*/
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if (optind < argc) {
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code = typelist(argc - optind, argv + optind, header, deschook);
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} else {
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char *home, *eargv[3];
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char personal[PATH_MAX];
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int j;
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j = 0;
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if ((eargv[j] = get_directory(getenv("TERMINFO"))) != 0) {
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j++;
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} else {
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if ((home = getenv("HOME")) != 0) {
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(void) sprintf(personal, PRIVATE_INFO, home);
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if ((eargv[j] = get_directory(personal)) != 0)
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j++;
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}
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if ((eargv[j] = get_directory(strcpy(personal, TERMINFO))) != 0)
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j++;
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}
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eargv[j] = 0;
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code = typelist(j, eargv, header, deschook);
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}
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ExitProgram(code);
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}
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static void
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deschook(const char *cn, TERMTYPE * tp)
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/* display a description for the type */
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{
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const char *desc;
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if ((desc = strrchr(tp->term_names, '|')) == 0)
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desc = "(No description)";
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else
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++desc;
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(void) printf("%-10s\t%s\n", cn, desc);
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}
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static int
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typelist(int eargc, char *eargv[],
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bool verbosity,
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void (*hook) (const char *, TERMTYPE * tp))
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/* apply a function to each entry in given terminfo directories */
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{
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int i;
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for (i = 0; i < eargc; i++) {
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DIR *termdir;
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struct dirent *subdir;
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if ((termdir = opendir(eargv[i])) == 0) {
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(void) fflush(stdout);
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(void) fprintf(stderr,
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"%s: can't open terminfo directory %s\n",
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_nc_progname, eargv[i]);
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return (EXIT_FAILURE);
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} else if (verbosity)
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(void) printf("#\n#%s:\n#\n", eargv[i]);
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while ((subdir = readdir(termdir)) != 0) {
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size_t len = NAMLEN(subdir);
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char buf[PATH_MAX];
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char name_1[PATH_MAX];
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DIR *entrydir;
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struct dirent *entry;
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strncpy(name_1, subdir->d_name, len)[len] = '\0';
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if (isDotname(name_1))
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continue;
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(void) sprintf(buf, "%s/%s/", eargv[i], name_1);
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if (chdir(buf) != 0)
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continue;
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entrydir = opendir(".");
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while ((entry = readdir(entrydir)) != 0) {
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char name_2[PATH_MAX];
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TERMTYPE lterm;
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char *cn;
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int status;
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len = NAMLEN(entry);
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strncpy(name_2, entry->d_name, len)[len] = '\0';
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if (isDotname(name_2) || !is_a_file(name_2))
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continue;
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status = _nc_read_file_entry(name_2, <erm);
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if (status <= 0) {
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(void) fflush(stdout);
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(void) fprintf(stderr,
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"toe: couldn't open terminfo file %s.\n",
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name_2);
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return (EXIT_FAILURE);
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}
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/* only visit things once, by primary name */
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cn = _nc_first_name(lterm.term_names);
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if (!strcmp(cn, name_2)) {
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/* apply the selected hook function */
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(*hook) (cn, <erm);
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}
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if (lterm.term_names) {
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free(lterm.term_names);
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lterm.term_names = 0;
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}
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if (lterm.str_table) {
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free(lterm.str_table);
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lterm.str_table = 0;
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}
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}
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closedir(entrydir);
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}
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closedir(termdir);
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}
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return (EXIT_SUCCESS);
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}
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