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-rw-r--r--src/archive/bz2_plugin.c284
1 files changed, 0 insertions, 284 deletions
diff --git a/src/archive/bz2_plugin.c b/src/archive/bz2_plugin.c
deleted file mode 100644
index 0ef042e90..000000000
--- a/src/archive/bz2_plugin.c
+++ /dev/null
@@ -1,284 +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 "archive_api.h"
-#include "input_plugin.h"
-#include "config.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;
- int last_bz_result;
- int last_parent_result;
- bz_stream bzstream;
- char *buffer;
-} bz2_context;
-
-
-static const struct input_plugin bz2_inputplugin;
-
-/* single archive handling allocation helpers */
-
-static bool
-bz2_alloc(bz2_context *data)
-{
- 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;
-
- if (BZ2_bzDecompressInit(&data->bzstream, 0, 0) != BZ_OK) {
- g_free(data->buffer);
- g_free(data);
- return false;
- }
-
- data->last_bz_result = BZ_OK;
- data->last_parent_result = 0;
- 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;
- char *name;
- int len;
-
- context = g_malloc(sizeof(bz2_context));
- if (!context) {
- return NULL;
- }
- //open archive
- if (!input_stream_open(&context->istream, pathname)) {
- g_warning("failed to open an bzip2 archive %s\n",pathname);
- g_free(context);
- return NULL;
- }
- //capture filename
- name = strrchr(pathname, '/');
- if (name == NULL) {
- g_warning("failed to get bzip2 name from %s\n",pathname);
- g_free(context);
- return NULL;
- }
- context->name = g_strdup(name+1);
- //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)
-{
- 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)) {
- g_warning("alloc bz2 failed\n");
- return 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 int
-bz2_fillbuffer(bz2_context *context,
- size_t numBytes)
-{
- size_t count;
- bz_stream *bzstream;
-
- bzstream = &context->bzstream;
-
- if (bzstream->avail_in > 0)
- return 0;
-
- count = input_stream_read(&context->istream,
- context->buffer, BZ_BUFSIZE);
-
- if (count == 0) {
- if (bzstream->avail_out == numBytes)
- return -1;
- if (!input_stream_eof(&context->istream))
- context->last_parent_result = 1;
- } else {
- bzstream->next_in = context->buffer;
- bzstream->avail_in = count;
- }
-
- return 0;
-}
-
-static size_t
-bz2_is_read(struct input_stream *is, void *ptr, size_t size)
-{
- bz2_context *context = (bz2_context *) is->data;
- bz_stream *bzstream;
- int bz_result;
- size_t numBytes = size;
- size_t bytesRead = 0;
-
- if (context->last_bz_result != BZ_OK)
- return 0;
- if (context->last_parent_result != 0)
- return 0;
-
- bzstream = &context->bzstream;
- bzstream->next_out = ptr;
- bzstream->avail_out = numBytes;
-
- while (bzstream->avail_out != 0) {
- if (bz2_fillbuffer(context, numBytes) != 0)
- break;
-
- bz_result = BZ2_bzDecompress(bzstream);
-
- if (context->last_bz_result != BZ_OK
- && bzstream->avail_out == numBytes) {
- context->last_bz_result = bz_result;
- break;
- }
-
- if (bz_result == BZ_STREAM_END) {
- context->last_bz_result = bz_result;
- break;
- }
- }
-
- bytesRead = numBytes - bzstream->avail_out;
- is->offset += bytesRead;
-
- return bytesRead;
-}
-
-static bool
-bz2_is_eof(struct input_stream *is)
-{
- bz2_context *context = (bz2_context *) is->data;
-
- if (context->last_bz_result == BZ_STREAM_END) {
- return true;
- }
-
- return false;
-}
-
-/* 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
-};
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 23:35:17 +0000