mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-23 12:56:51 +03:00
132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/* Directory History routines
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Copyright (C) 1997 The Free Software Foundation
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Written by: 1997 Miguel de Icaza
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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FIXME: Maybe maintain a limit of the number of elements in the history
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that should be kept?
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "util.h"
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#include "profile.h"
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#include "setup.h"
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#include "dirhist.h"
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#include "global.h"
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#include "mad.h"
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struct dirhist_entry {
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char *directory;
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struct dirhist_entry *next;
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};
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/* Here we keep a pointer to all of the directories we have */
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static struct dirhist_entry *base;
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/* The iterator pointer */
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static struct dirhist_entry *iter;
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/* the field used for loading/saving data from the profile */
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static char *dirhist_name = "Directory history";
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void
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directory_history_load (void)
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{
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char entry_name [20];
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char *value;
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int i;
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for (i = 0; i < DIRECTORY_HISTORY_LOAD_COUNT; i++){
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sprintf (entry_name, "%d", i);
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value = get_profile_string (dirhist_name, entry_name, "", profile_name);
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if (!(value || *value))
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continue;
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directory_history_add (value);
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}
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}
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void
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directory_history_save (void)
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{
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char entry_name [20];
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char *dir;
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int i;
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directory_history_init_iterator ();
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for (i = 0; i < DIRECTORY_HISTORY_LOAD_COUNT; i++){
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dir = directory_history_get_next ();
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if (!dir)
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break;
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sprintf (entry_name, "%d", i);
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WritePrivateProfileString (dirhist_name, entry_name, dir, profile_name);
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}
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}
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static void
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directory_history_delete (struct dirhist_entry *e)
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{
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if (!e)
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return;
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directory_history_delete (e->next);
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free (e->directory);
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free (e);
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}
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void
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directory_history_free (void)
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{
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directory_history_delete (base);
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}
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void
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directory_history_init_iterator (void)
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{
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iter = base;
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}
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char *
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directory_history_get_next (void)
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{
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struct dirhist_entry *p;
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if (!iter)
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return NULL;
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p = iter;
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iter = iter->next;
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return p->directory;
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}
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void
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directory_history_add (char *directory)
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{
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struct dirhist_entry *p;
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p = (struct dirhist_entry *) malloc (sizeof (struct dirhist_entry));
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if (!p)
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return;
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p->directory = strdup (directory);
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p->next = base;
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base = p;
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}
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