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authorMax Kellermann <max@duempel.org>2009-12-16 16:04:16 +0100
committerMax Kellermann <max@duempel.org>2009-12-16 15:55:48 +0100
commitb009970af7db696b95da1fcea6656a42068fcb1c (patch)
tree55470eb3bea2445ee6753bf1901b6117c0cc0619 /src/archive/bz2_plugin.c
parentbd97586cc48431ebb3e5be7cdfcae435458dc508 (diff)
archive/bz2: renamed archive sources and plugin variables
Diffstat (limited to 'src/archive/bz2_plugin.c')
-rw-r--r--src/archive/bz2_plugin.c279
1 files changed, 0 insertions, 279 deletions
diff --git a/src/archive/bz2_plugin.c b/src/archive/bz2_plugin.c
deleted file mode 100644
index 713dcc23..00000000
--- a/src/archive/bz2_plugin.c
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * Copyright (C) 2003-2009 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.
- */
-
-/**
- * single bz2 archive handling (requires libbz2)
- */
-
-#include "config.h"
-#include "archive_api.h"
-#include "input_plugin.h"
-
-#include <stdint.h>
-#include <stddef.h>
-#include <string.h>
-#include <glib.h>
-#include <bzlib.h>
-
-#ifdef HAVE_OLDER_BZIP2
-#define BZ2_bzDecompressInit bzDecompressInit
-#define BZ2_bzDecompress bzDecompress
-#endif
-
-#define BZ_BUFSIZE 5000
-
-typedef struct {
- char *name;
- bool reset;
- struct input_stream istream;
-
- bool eof;
-
- bz_stream bzstream;
- char *buffer;
-} bz2_context;
-
-static const struct input_plugin bz2_inputplugin;
-
-static inline GQuark
-bz2_quark(void)
-{
- return g_quark_from_static_string("bz2");
-}
-
-/* single archive handling allocation helpers */
-
-static bool
-bz2_alloc(bz2_context *data, GError **error_r)
-{
- int ret;
-
- data->bzstream.bzalloc = NULL;
- data->bzstream.bzfree = NULL;
- data->bzstream.opaque = NULL;
-
- data->buffer = g_malloc(BZ_BUFSIZE);
- data->bzstream.next_in = (void *) data->buffer;
- data->bzstream.avail_in = 0;
-
- ret = BZ2_bzDecompressInit(&data->bzstream, 0, 0);
- if (ret != BZ_OK) {
- g_free(data->buffer);
- g_free(data);
-
- g_set_error(error_r, bz2_quark(), ret,
- "BZ2_bzDecompressInit() has failed");
- return false;
- }
-
- return true;
-}
-
-static void
-bz2_destroy(bz2_context *data)
-{
- BZ2_bzDecompressEnd(&data->bzstream);
- g_free(data->buffer);
-}
-
-/* archive open && listing routine */
-
-static struct archive_file *
-bz2_open(char *pathname)
-{
- bz2_context *context;
- int len;
-
- context = g_malloc(sizeof(*context));
-
- //open archive
- if (!input_stream_open(&context->istream, pathname, NULL)) {
- g_warning("failed to open an bzip2 archive %s\n",pathname);
- g_free(context);
- return NULL;
- }
-
- context->name = g_path_get_basename(pathname);
-
- //remove suffix
- len = strlen(context->name);
- if (len > 4) {
- context->name[len - 4] = 0; //remove .bz2 suffix
- }
-
- return (struct archive_file *) context;
-}
-
-static void
-bz2_scan_reset(struct archive_file *file)
-{
- bz2_context *context = (bz2_context *) file;
- context->reset = true;
-}
-
-static char *
-bz2_scan_next(struct archive_file *file)
-{
- bz2_context *context = (bz2_context *) file;
- char *name = NULL;
-
- if (context->reset) {
- name = context->name;
- context->reset = false;
- }
-
- return name;
-}
-
-static void
-bz2_close(struct archive_file *file)
-{
- bz2_context *context = (bz2_context *) file;
-
- g_free(context->name);
-
- input_stream_close(&context->istream);
- g_free(context);
-}
-
-/* single archive handling */
-
-static bool
-bz2_open_stream(struct archive_file *file, struct input_stream *is,
- G_GNUC_UNUSED const char *path, GError **error_r)
-{
- bz2_context *context = (bz2_context *) file;
-
- //setup file ops
- is->plugin = &bz2_inputplugin;
- //insert back reference
- is->data = context;
- is->seekable = false;
-
- if (!bz2_alloc(context, error_r))
- return false;
-
- context->eof = false;
-
- return true;
-}
-
-static void
-bz2_is_close(struct input_stream *is)
-{
- bz2_context *context = (bz2_context *) is->data;
- bz2_destroy(context);
- is->data = NULL;
-
- bz2_close((struct archive_file *)context);
-}
-
-static bool
-bz2_fillbuffer(bz2_context *context, GError **error_r)
-{
- size_t count;
- bz_stream *bzstream;
-
- bzstream = &context->bzstream;
-
- if (bzstream->avail_in > 0)
- return true;
-
- count = input_stream_read(&context->istream,
- context->buffer, BZ_BUFSIZE,
- error_r);
- if (count == 0)
- return false;
-
- bzstream->next_in = context->buffer;
- bzstream->avail_in = count;
- return true;
-}
-
-static size_t
-bz2_is_read(struct input_stream *is, void *ptr, size_t length,
- GError **error_r)
-{
- bz2_context *context = (bz2_context *) is->data;
- bz_stream *bzstream;
- int bz_result;
- size_t nbytes = 0;
-
- if (context->eof)
- return 0;
-
- bzstream = &context->bzstream;
- bzstream->next_out = ptr;
- bzstream->avail_out = length;
-
- do {
- if (!bz2_fillbuffer(context, error_r))
- return 0;
-
- bz_result = BZ2_bzDecompress(bzstream);
-
- if (bz_result == BZ_STREAM_END) {
- context->eof = true;
- break;
- }
-
- if (bz_result != BZ_OK) {
- g_set_error(error_r, bz2_quark(), bz_result,
- "BZ2_bzDecompress() has failed");
- return 0;
- }
- } while (bzstream->avail_out == length);
-
- nbytes = length - bzstream->avail_out;
- is->offset += nbytes;
-
- return nbytes;
-}
-
-static bool
-bz2_is_eof(struct input_stream *is)
-{
- bz2_context *context = (bz2_context *) is->data;
-
- return context->eof;
-}
-
-/* exported structures */
-
-static const char *const bz2_extensions[] = {
- "bz2",
- NULL
-};
-
-static const struct input_plugin bz2_inputplugin = {
- .close = bz2_is_close,
- .read = bz2_is_read,
- .eof = bz2_is_eof,
-};
-
-const struct archive_plugin bz2_plugin = {
- .name = "bz2",
- .open = bz2_open,
- .scan_reset = bz2_scan_reset,
- .scan_next = bz2_scan_next,
- .open_stream = bz2_open_stream,
- .close = bz2_close,
- .suffixes = bz2_extensions
-};
-