From 94fffb332bb40eb4b13ad7a2039109d2a420a8f6 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Thu, 24 Jan 2013 19:18:58 +0100 Subject: archive/*: convert to C++ --- src/archive/iso9660_archive_plugin.c | 290 ----------------------------------- 1 file changed, 290 deletions(-) delete mode 100644 src/archive/iso9660_archive_plugin.c (limited to 'src/archive/iso9660_archive_plugin.c') diff --git a/src/archive/iso9660_archive_plugin.c b/src/archive/iso9660_archive_plugin.c deleted file mode 100644 index bb6cb9588..000000000 --- a/src/archive/iso9660_archive_plugin.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * Copyright (C) 2003-2011 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -/** - * iso archive handling (requires cdio, and iso9660) - */ - -#include "config.h" -#include "archive/iso9660_archive_plugin.h" -#include "archive_api.h" -#include "input_internal.h" -#include "input_plugin.h" -#include "refcount.h" - -#include -#include - -#include -#include - -#define CEILING(x, y) ((x+(y-1))/y) - -struct iso9660_archive_file { - struct archive_file base; - - struct refcount ref; - - iso9660_t *iso; - GSList *list; - GSList *iter; -}; - -static const struct input_plugin iso9660_input_plugin; - -static inline GQuark -iso9660_quark(void) -{ - return g_quark_from_static_string("iso9660"); -} - -/* archive open && listing routine */ - -static void -listdir_recur(const char *psz_path, struct iso9660_archive_file *context) -{ - iso9660_t *iso = context->iso; - CdioList_t *entlist; - CdioListNode_t *entnode; - iso9660_stat_t *statbuf; - char pathname[4096]; - - entlist = iso9660_ifs_readdir (iso, psz_path); - if (!entlist) { - return; - } - /* Iterate over the list of nodes that iso9660_ifs_readdir gives */ - _CDIO_LIST_FOREACH (entnode, entlist) { - statbuf = (iso9660_stat_t *) _cdio_list_node_data (entnode); - - strcpy(pathname, psz_path); - strcat(pathname, statbuf->filename); - - if (_STAT_DIR == statbuf->type ) { - if (strcmp(statbuf->filename, ".") && strcmp(statbuf->filename, "..")) { - strcat(pathname, "/"); - listdir_recur(pathname, context); - } - } else { - //remove leading / - context->list = g_slist_prepend( context->list, - g_strdup(pathname + 1)); - } - } - _cdio_list_free (entlist, true); -} - -static struct archive_file * -iso9660_archive_open(const char *pathname, GError **error_r) -{ - struct iso9660_archive_file *context = - g_new(struct iso9660_archive_file, 1); - - archive_file_init(&context->base, &iso9660_archive_plugin); - refcount_init(&context->ref); - - context->list = NULL; - - /* open archive */ - context->iso = iso9660_open (pathname); - if (context->iso == NULL) { - g_set_error(error_r, iso9660_quark(), 0, - "Failed to open ISO9660 file %s", pathname); - return NULL; - } - - listdir_recur("/", context); - - return &context->base; -} - -static void -iso9660_archive_scan_reset(struct archive_file *file) -{ - struct iso9660_archive_file *context = - (struct iso9660_archive_file *)file; - - //reset iterator - context->iter = context->list; -} - -static char * -iso9660_archive_scan_next(struct archive_file *file) -{ - struct iso9660_archive_file *context = - (struct iso9660_archive_file *)file; - - char *data = NULL; - if (context->iter != NULL) { - ///fetch data and goto next - data = context->iter->data; - context->iter = g_slist_next(context->iter); - } - return data; -} - -static void -iso9660_archive_close(struct archive_file *file) -{ - struct iso9660_archive_file *context = - (struct iso9660_archive_file *)file; - GSList *tmp; - - if (!refcount_dec(&context->ref)) - return; - - if (context->list) { - //free list - for (tmp = context->list; tmp != NULL; tmp = g_slist_next(tmp)) - g_free(tmp->data); - g_slist_free(context->list); - } - //close archive - iso9660_close(context->iso); - - g_free(context); -} - -/* single archive handling */ - -struct iso9660_input_stream { - struct input_stream base; - - struct iso9660_archive_file *archive; - - iso9660_stat_t *statbuf; - size_t max_blocks; -}; - -static struct input_stream * -iso9660_archive_open_stream(struct archive_file *file, const char *pathname, - GMutex *mutex, GCond *cond, - GError **error_r) -{ - struct iso9660_archive_file *context = - (struct iso9660_archive_file *)file; - struct iso9660_input_stream *iis; - - iis = g_new(struct iso9660_input_stream, 1); - input_stream_init(&iis->base, &iso9660_input_plugin, pathname, - mutex, cond); - - iis->archive = context; - iis->statbuf = iso9660_ifs_stat_translate(context->iso, pathname); - if (iis->statbuf == NULL) { - g_free(iis); - g_set_error(error_r, iso9660_quark(), 0, - "not found in the ISO file: %s", pathname); - return NULL; - } - - iis->base.ready = true; - //we are not seekable - iis->base.seekable = false; - - iis->base.size = iis->statbuf->size; - - iis->max_blocks = CEILING(iis->statbuf->size, ISO_BLOCKSIZE); - - refcount_inc(&context->ref); - - return &iis->base; -} - -static void -iso9660_input_close(struct input_stream *is) -{ - struct iso9660_input_stream *iis = (struct iso9660_input_stream *)is; - - g_free(iis->statbuf); - - iso9660_archive_close(&iis->archive->base); - - input_stream_deinit(&iis->base); - g_free(iis); -} - - -static size_t -iso9660_input_read(struct input_stream *is, void *ptr, size_t size, GError **error_r) -{ - struct iso9660_input_stream *iis = (struct iso9660_input_stream *)is; - int toread, readed = 0; - int no_blocks, cur_block; - size_t left_bytes = iis->statbuf->size - is->offset; - - size = (size * ISO_BLOCKSIZE) / ISO_BLOCKSIZE; - - if (left_bytes < size) { - toread = left_bytes; - no_blocks = CEILING(left_bytes,ISO_BLOCKSIZE); - } else { - toread = size; - no_blocks = toread / ISO_BLOCKSIZE; - } - if (no_blocks > 0) { - - cur_block = is->offset / ISO_BLOCKSIZE; - - readed = iso9660_iso_seek_read (iis->archive->iso, ptr, - iis->statbuf->lsn + cur_block, no_blocks); - - if (readed != no_blocks * ISO_BLOCKSIZE) { - g_set_error(error_r, iso9660_quark(), 0, - "error reading ISO file at lsn %lu", - (long unsigned int) cur_block); - return 0; - } - if (left_bytes < size) { - readed = left_bytes; - } - - is->offset += readed; - } - return readed; -} - -static bool -iso9660_input_eof(struct input_stream *is) -{ - return is->offset == is->size; -} - -/* exported structures */ - -static const char *const iso9660_archive_extensions[] = { - "iso", - NULL -}; - -static const struct input_plugin iso9660_input_plugin = { - .close = iso9660_input_close, - .read = iso9660_input_read, - .eof = iso9660_input_eof, -}; - -const struct archive_plugin iso9660_archive_plugin = { - .name = "iso", - .open = iso9660_archive_open, - .scan_reset = iso9660_archive_scan_reset, - .scan_next = iso9660_archive_scan_next, - .open_stream = iso9660_archive_open_stream, - .close = iso9660_archive_close, - .suffixes = iso9660_archive_extensions -}; 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