946a815cd4
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14599 a1c6a512-1295-4272-9138-f99709370657
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 Bryan Childs
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* Copyright (c) 2007 Alexander Levin
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _SHORTCUTS_H
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#define _SHORTCUTS_H
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#include "plugin.h"
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#define PATH_SEPARATOR "/"
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#define PATH_SEPARATOR_LEN 1 /* strlen(PATH_SEPARATOR) */
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#if defined(DEBUG) || defined(SIMULATOR)
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#define SC_DEBUG
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#endif
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#define SHORTCUTS_FILENAME "/shortcuts.link"
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extern struct plugin_api* rb;
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typedef struct sc_entry_s
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{
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char path[MAX_PATH+1];
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char disp[MAX_PATH+1];
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bool explicit_disp;
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} sc_entry_t;
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typedef struct sc_file_s
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{
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sc_entry_t *entries;
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int max_entries; /* Max allowed number of entries */
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int entry_cnt; /* Current number of entries */
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int show_last_segments;
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} sc_file_t;
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extern void *memory_buf;
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extern long memory_bufsize;
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extern sc_file_t sc_file;
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/* Allocates a chunk of memory (as much as possible) */
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void allocate_memory(void **buf, size_t *bufsize);
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/* Initializes the file */
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void init_sc_file(sc_file_t *file, void *buf, size_t bufsize);
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/* Loads shortcuts from the file. Returns true iff succeeded */
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bool load_sc_file(sc_file_t *file, char* filename, bool must_exist,
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void *entry_buf, size_t entry_bufsize);
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/* Writes contents to the file. File is overwritten. */
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bool dump_sc_file(sc_file_t *file, char *filename);
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/* Appends the entry to the file. Entry is copied. Returns true iff succeded. */
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bool append_entry(sc_file_t *file, sc_entry_t *entry);
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/* Removes the specified entry (0-based index). Returns true iff succeded. */
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bool remove_entry(sc_file_t *file, int entry_idx);
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/* Checks whether the index is a valid one for the file. */
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bool is_valid_index(sc_file_t *file, int entry_idx);
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bool file_exists(char *filename); /* Does the specified file exist? */
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bool dir_exists(char *path); /* Does the specified dir exist? */
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#ifdef SC_DEBUG
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void print_file(sc_file_t *file);
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#endif
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#endif
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