ncurses 5.7 - patch 20090221
[ncurses.git] / progs / toe.c
index b7afb676b015ee234a3db4b053c4a8475dbcb5b4..8af6f371b77b7adb5bb881338af79a5fe0f9b74e 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2000 Free Software Foundation, Inc.                   *
+ * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
 /*
  *     toe.c --- table of entries report generator
- *
  */
 
 #include <progs.priv.h>
 
 #include <sys/stat.h>
 
-#include <dump_entry.h>
-#include <term_entry.h>
+#if USE_HASHED_DB
+#include <hashed_db.h>
+#endif
 
-MODULE_ID("$Id: toe.c,v 1.24 2000/09/09 19:52:35 tom Exp $")
+MODULE_ID("$Id: toe.c,v 1.51 2008/08/16 21:53:25 tom Exp $")
 
 #define isDotname(name) (!strcmp(name, ".") || !strcmp(name, ".."))
 
 const char *_nc_progname;
 
-static int typelist(int eargc, char *eargv[], bool,
-    void (*)(const char *, TERMTYPE *));
-static void deschook(const char *, TERMTYPE *);
-
 #if NO_LEAKS
 #undef ExitProgram
+static void ExitProgram(int code) GCC_NORETURN;
 static void
-ExitProgram(int code) GCC_NORETURN;
-     static void ExitProgram(int code)
+ExitProgram(int code)
 {
     _nc_free_entries(_nc_head);
-    _nc_leaks_dump_entry();
-    _nc_free_and_exit(code);
+    _nc_free_tic(code);
 }
 #endif
 
-static char *
-get_directory(char *path)
+#if USE_HASHED_DB
+static bool
+make_db_name(char *dst, const char *src, unsigned limit)
 {
-    if (path != 0) {
-       struct stat sb;
-       if (stat(path, &sb) != 0
-           || (sb.st_mode & S_IFMT) != S_IFDIR
-           || access(path, R_OK | X_OK) != 0)
-           path = 0;
+    static const char suffix[] = DBM_SUFFIX;
+
+    bool result = FALSE;
+    unsigned lens = sizeof(suffix) - 1;
+    unsigned size = strlen(src);
+    unsigned need = lens + size;
+
+    if (need <= limit) {
+       if (size >= lens
+           && !strcmp(src + size - lens, suffix))
+           (void) strcpy(dst, src);
+       else
+           (void) sprintf(dst, "%s%s", src, suffix);
+       result = TRUE;
     }
-    return path;
+    return result;
+}
+#endif
+
+static bool
+is_database(const char *path)
+{
+    bool result = FALSE;
+#if USE_DATABASE
+    if (_nc_is_dir_path(path) && access(path, R_OK | X_OK) == 0) {
+       result = TRUE;
+    }
+#endif
+#if USE_TERMCAP
+    if (_nc_is_file_path(path) && access(path, R_OK) == 0) {
+       result = TRUE;
+    }
+#endif
+#if USE_HASHED_DB
+    if (!result) {
+       char filename[PATH_MAX];
+       if (_nc_is_file_path(path) && access(path, R_OK) == 0) {
+           result = TRUE;
+       } else if (make_db_name(filename, path, sizeof(filename))) {
+           if (_nc_is_file_path(filename) && access(filename, R_OK) == 0) {
+               result = TRUE;
+           }
+       }
+    }
+#endif
+    return result;
+}
+
+static void
+deschook(const char *cn, TERMTYPE *tp)
+/* display a description for the type */
+{
+    const char *desc;
+
+    if ((desc = strrchr(tp->term_names, '|')) == 0 || *++desc == '\0')
+       desc = "(No description)";
+
+    (void) printf("%-10s\t%s\n", cn, desc);
+}
+
+#if USE_TERMCAP
+static void
+show_termcap(char *buffer,
+            void (*hook) (const char *, TERMTYPE *tp))
+{
+    TERMTYPE data;
+    char *next = strchr(buffer, ':');
+    char *last;
+    char *list = buffer;
+
+    if (next)
+       *next = '\0';
+
+    last = strrchr(buffer, '|');
+    if (last)
+       ++last;
+
+    data.term_names = strdup(buffer);
+    while ((next = strtok(list, "|")) != 0) {
+       if (next != last)
+           hook(next, &data);
+       list = 0;
+    }
+    free(data.term_names);
+}
+#endif
+
+static int
+typelist(int eargc, char *eargv[],
+        bool verbosity,
+        void (*hook) (const char *, TERMTYPE *tp))
+/* apply a function to each entry in given terminfo directories */
+{
+    int i;
+
+    for (i = 0; i < eargc; i++) {
+#if USE_DATABASE
+       if (_nc_is_dir_path(eargv[i])) {
+           char *cwd_buf = 0;
+           DIR *termdir;
+           DIRENT *subdir;
+
+           if ((termdir = opendir(eargv[i])) == 0) {
+               (void) fflush(stdout);
+               (void) fprintf(stderr,
+                              "%s: can't open terminfo directory %s\n",
+                              _nc_progname, eargv[i]);
+               return (EXIT_FAILURE);
+           } else if (verbosity)
+               (void) printf("#\n#%s:\n#\n", eargv[i]);
+
+           while ((subdir = readdir(termdir)) != 0) {
+               size_t len = NAMLEN(subdir);
+               size_t cwd_len = len + strlen(eargv[i]) + 3;
+               char name_1[PATH_MAX];
+               DIR *entrydir;
+               DIRENT *entry;
+
+               cwd_buf = typeRealloc(char, cwd_len, cwd_buf);
+               if (cwd_buf == 0) {
+                   perror("realloc cwd_buf");
+                   continue;
+               }
+
+               strncpy(name_1, subdir->d_name, len)[len] = '\0';
+               if (isDotname(name_1))
+                   continue;
+
+               (void) sprintf(cwd_buf, "%s/%.*s/", eargv[i], (int) len, name_1);
+               if (chdir(cwd_buf) != 0)
+                   continue;
+
+               entrydir = opendir(".");
+               if (entrydir == 0) {
+                   perror(cwd_buf);
+                   continue;
+               }
+               while ((entry = readdir(entrydir)) != 0) {
+                   char name_2[PATH_MAX];
+                   TERMTYPE lterm;
+                   char *cn;
+                   int status;
+
+                   len = NAMLEN(entry);
+                   strncpy(name_2, entry->d_name, len)[len] = '\0';
+                   if (isDotname(name_2) || !_nc_is_file_path(name_2))
+                       continue;
+
+                   status = _nc_read_file_entry(name_2, &lterm);
+                   if (status <= 0) {
+                       (void) fflush(stdout);
+                       (void) fprintf(stderr,
+                                      "%s: couldn't open terminfo file %s.\n",
+                                      _nc_progname, name_2);
+                       return (EXIT_FAILURE);
+                   }
+
+                   /* only visit things once, by primary name */
+                   cn = _nc_first_name(lterm.term_names);
+                   if (!strcmp(cn, name_2)) {
+                       /* apply the selected hook function */
+                       (*hook) (cn, &lterm);
+                   }
+                   _nc_free_termtype(&lterm);
+               }
+               closedir(entrydir);
+           }
+           closedir(termdir);
+           if (cwd_buf != 0)
+               free(cwd_buf);
+       }
+#if USE_HASHED_DB
+       else {
+           DB *capdbp;
+           char filename[PATH_MAX];
+
+           if (make_db_name(filename, eargv[i], sizeof(filename))) {
+               if ((capdbp = _nc_db_open(filename, FALSE)) != 0) {
+                   DBT key, data;
+                   int code;
+
+                   code = _nc_db_first(capdbp, &key, &data);
+                   while (code == 0) {
+                       TERMTYPE lterm;
+                       int used;
+                       char *have;
+                       char *cn;
+
+                       if (_nc_db_have_data(&key, &data, &have, &used)) {
+                           if (_nc_read_termtype(&lterm, have, used) > 0) {
+                               /* only visit things once, by primary name */
+                               cn = _nc_first_name(lterm.term_names);
+                               /* apply the selected hook function */
+                               (*hook) (cn, &lterm);
+                               _nc_free_termtype(&lterm);
+                           }
+                       }
+                       code = _nc_db_next(capdbp, &key, &data);
+                   }
+
+                   _nc_db_close(capdbp);
+               }
+           }
+       }
+#endif
+#endif
+#if USE_TERMCAP
+#if HAVE_BSD_CGETENT
+       char *db_array[2];
+       char *buffer = 0;
+
+       if (verbosity)
+           (void) printf("#\n#%s:\n#\n", eargv[i]);
+
+       db_array[0] = eargv[i];
+       db_array[1] = 0;
+
+       if (cgetfirst(&buffer, db_array)) {
+           show_termcap(buffer, hook);
+           free(buffer);
+           while (cgetnext(&buffer, db_array)) {
+               show_termcap(buffer, hook);
+               free(buffer);
+           }
+       }
+       cgetclose();
+#else
+       /* scan termcap text-file only */
+       if (_nc_is_file_path(eargv[i])) {
+           char buffer[2048];
+           FILE *fp;
+
+           if ((fp = fopen(eargv[i], "r")) != 0) {
+               while (fgets(buffer, sizeof(buffer), fp) != 0) {
+                   if (*buffer == '#')
+                       continue;
+                   if (isspace(*buffer))
+                       continue;
+                   show_termcap(buffer, hook);
+               }
+               fclose(fp);
+           }
+       }
+#endif
+#endif
+    }
+
+    return (EXIT_SUCCESS);
+}
+
+static void
+usage(void)
+{
+    (void) fprintf(stderr, "usage: %s [-ahuUV] [-v n] [file...]\n", _nc_progname);
+    ExitProgram(EXIT_FAILURE);
 }
 
 int
 main(int argc, char *argv[])
 {
+    bool all_dirs = FALSE;
     bool direct_dependencies = FALSE;
     bool invert_dependencies = FALSE;
     bool header = FALSE;
-    int i, c;
+    char *report_file = 0;
+    unsigned i;
     int code;
-
-    _nc_progname = _nc_basename(argv[0]);
-
-    while ((c = getopt(argc, argv, "huv:UV")) != EOF)
-       switch (c) {
+    int this_opt, last_opt = '?';
+    int v_opt = 0;
+
+    _nc_progname = _nc_rootname(argv[0]);
+
+    while ((this_opt = getopt(argc, argv, "0123456789ahu:vU:V")) != -1) {
+       /* handle optional parameter */
+       if (isdigit(this_opt)) {
+           switch (last_opt) {
+           case 'v':
+               v_opt = (this_opt - '0');
+               break;
+           default:
+               if (isdigit(last_opt))
+                   v_opt *= 10;
+               else
+                   v_opt = 0;
+               v_opt += (this_opt - '0');
+               last_opt = this_opt;
+           }
+           continue;
+       }
+       switch (this_opt) {
+       case 'a':
+           all_dirs = TRUE;
+           break;
        case 'h':
            header = TRUE;
            break;
        case 'u':
            direct_dependencies = TRUE;
+           report_file = optarg;
            break;
        case 'v':
-           set_trace_level(atoi(optarg));
+           v_opt = 1;
            break;
        case 'U':
            invert_dependencies = TRUE;
+           report_file = optarg;
            break;
        case 'V':
            puts(curses_version());
            ExitProgram(EXIT_SUCCESS);
        default:
-           (void) fprintf(stderr, "usage: toe [-huUV] [-v n] [file...]\n");
-           ExitProgram(EXIT_FAILURE);
+           usage();
        }
+    }
+    set_trace_level(v_opt);
 
-    if (direct_dependencies || invert_dependencies) {
-       if (freopen(argv[optind], "r", stdin) == 0) {
+    if (report_file != 0) {
+       if (freopen(report_file, "r", stdin) == 0) {
            (void) fflush(stdout);
-           fprintf(stderr, "%s: can't open %s\n", _nc_progname, argv[optind]);
+           fprintf(stderr, "%s: can't open %s\n", _nc_progname, report_file);
            ExitProgram(EXIT_FAILURE);
        }
 
        /* parse entries out of the source file */
-       _nc_set_source(argv[optind]);
+       _nc_set_source(report_file);
        _nc_read_entry_source(stdin, 0, FALSE, FALSE, NULLHOOK);
     }
 
@@ -127,14 +397,15 @@ main(int argc, char *argv[])
     if (direct_dependencies) {
        ENTRY *qp;
 
-       for_entry_list(qp)
+       for_entry_list(qp) {
            if (qp->nuses) {
-           int j;
+               unsigned j;
 
-           (void) printf("%s:", _nc_first_name(qp->tterm.term_names));
-           for (j = 0; j < qp->nuses; j++)
-               (void) printf(" %s", qp->uses[j].name);
-           putchar('\n');
+               (void) printf("%s:", _nc_first_name(qp->tterm.term_names));
+               for (j = 0; j < qp->nuses; j++)
+                   (void) printf(" %s", qp->uses[j].name);
+               putchar('\n');
+           }
        }
 
        ExitProgram(EXIT_SUCCESS);
@@ -153,12 +424,12 @@ main(int argc, char *argv[])
 
                for (i = 0; i < rp->nuses; i++)
                    if (_nc_name_match(qp->tterm.term_names,
-                           rp->uses[i].name, "|")) {
+                                      rp->uses[i].name, "|")) {
                        if (matchcount++ == 0)
                            (void) printf("%s:",
-                               _nc_first_name(qp->tterm.term_names));
+                                         _nc_first_name(qp->tterm.term_names));
                        (void) printf(" %s",
-                           _nc_first_name(rp->tterm.term_names));
+                                     _nc_first_name(rp->tterm.term_names));
                    }
            }
            if (matchcount)
@@ -173,119 +444,71 @@ main(int argc, char *argv[])
      */
     if (optind < argc) {
        code = typelist(argc - optind, argv + optind, header, deschook);
+    } else if (all_dirs) {
+       DBDIRS state;
+       int offset;
+       int pass;
+       const char *path;
+       char **eargv = 0;
+
+       code = EXIT_FAILURE;
+       for (pass = 0; pass < 2; ++pass) {
+           unsigned count = 0;
+
+           _nc_first_db(&state, &offset);
+           while ((path = _nc_next_db(&state, &offset)) != 0) {
+               if (!is_database(path)) {
+                   ;
+               } else if (eargv != 0) {
+                   unsigned n;
+                   int found = FALSE;
+
+                   /* eliminate duplicates */
+                   for (n = 0; n < count; ++n) {
+                       if (!strcmp(path, eargv[n])) {
+                           found = TRUE;
+                           break;
+                       }
+                   }
+                   if (!found) {
+                       eargv[count] = strdup(path);
+                       ++count;
+                   }
+               } else {
+                   ++count;
+               }
+           }
+           if (!pass) {
+               eargv = typeCalloc(char *, count + 1);
+           } else {
+               code = typelist((int) count, eargv, header, deschook);
+               while (count-- > 0)
+                   free(eargv[count]);
+               free(eargv);
+           }
+       }
     } else {
-       char *home, *eargv[3];
-       char personal[PATH_MAX];
-       int j;
-
-       j = 0;
-       if ((eargv[j] = get_directory(getenv("TERMINFO"))) != 0) {
-           j++;
-       } else {
-           if ((home = getenv("HOME")) != 0) {
-               (void) sprintf(personal, PRIVATE_INFO, home);
-               if ((eargv[j] = get_directory(personal)) != 0)
-                   j++;
+       DBDIRS state;
+       int offset;
+       const char *path;
+       char *eargv[3];
+       int count = 0;
+
+       _nc_first_db(&state, &offset);
+       while ((path = _nc_next_db(&state, &offset)) != 0) {
+           if (is_database(path)) {
+               eargv[count++] = strdup(path);
+               break;
            }
-           if ((eargv[j] = get_directory(strcpy(personal, TERMINFO))) != 0)
-               j++;
        }
-       eargv[j] = 0;
+       eargv[count] = 0;
 
-       code = typelist(j, eargv, header, deschook);
-    }
-
-    ExitProgram(code);
-}
+       code = typelist(count, eargv, header, deschook);
 
-static void
-deschook(const char *cn, TERMTYPE * tp)
-/* display a description for the type */
-{
-    const char *desc;
-
-    if ((desc = strrchr(tp->term_names, '|')) == 0)
-       desc = "(No description)";
-    else
-       ++desc;
-
-    (void) printf("%-10s\t%s\n", cn, desc);
-}
-
-static int
-typelist(int eargc, char *eargv[],
-    bool verbosity,
-    void (*hook) (const char *, TERMTYPE * tp))
-/* apply a function to each entry in given terminfo directories */
-{
-    int i;
-
-    for (i = 0; i < eargc; i++) {
-       DIR *termdir;
-       struct dirent *subdir;
-
-       if ((termdir = opendir(eargv[i])) == 0) {
-           (void) fflush(stdout);
-           (void) fprintf(stderr,
-               "%s: can't open terminfo directory %s\n",
-               _nc_progname, eargv[i]);
-           return (EXIT_FAILURE);
-       } else if (verbosity)
-           (void) printf("#\n#%s:\n#\n", eargv[i]);
-
-       while ((subdir = readdir(termdir)) != 0) {
-           size_t len = NAMLEN(subdir);
-           char buf[PATH_MAX];
-           char name_1[PATH_MAX];
-           DIR *entrydir;
-           struct dirent *entry;
-
-           strncpy(name_1, subdir->d_name, len)[len] = '\0';
-           if (isDotname(name_1))
-               continue;
-
-           (void) sprintf(buf, "%s/%s/", eargv[i], name_1);
-           chdir(buf);
-           entrydir = opendir(".");
-           while ((entry = readdir(entrydir)) != 0) {
-               char name_2[PATH_MAX];
-               TERMTYPE lterm;
-               char *cn;
-               int status;
-
-               len = NAMLEN(entry);
-               strncpy(name_2, entry->d_name, len)[len] = '\0';
-               if (isDotname(name_2))
-                   continue;
-
-               status = _nc_read_file_entry(name_2, &lterm);
-               if (status <= 0) {
-                   (void) fflush(stdout);
-                   (void) fprintf(stderr,
-                       "toe: couldn't open terminfo file %s.\n",
-                       name_2);
-                   return (EXIT_FAILURE);
-               }
-
-               /* only visit things once, by primary name */
-               cn = _nc_first_name(lterm.term_names);
-               if (!strcmp(cn, name_2)) {
-                   /* apply the selected hook function */
-                   (*hook) (cn, &lterm);
-               }
-               if (lterm.term_names) {
-                   free(lterm.term_names);
-                   lterm.term_names = 0;
-               }
-               if (lterm.str_table) {
-                   free(lterm.str_table);
-                   lterm.str_table = 0;
-               }
-           }
-           closedir(entrydir);
-       }
-       closedir(termdir);
+       while (count-- > 0)
+           free(eargv[count]);
     }
+    _nc_last_db();
 
-    return (EXIT_SUCCESS);
+    ExitProgram(code);
 }