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authorMax Kellermann <max@duempel.org>2009-12-31 10:43:38 +0100
committerMax Kellermann <max@duempel.org>2009-12-31 16:25:21 +0100
commit2632794578b5abc14b16c5f67acf1da53fe76b46 (patch)
tree50ee31f08faa9ee39e4b16b718d8038f59fe021a /src/archive/bz2_archive_plugin.c
parent3ddf7b620cadfdd0b6b20ea78af221cf4b97d247 (diff)
downloadmpd-2632794578b5abc14b16c5f67acf1da53fe76b46.tar.gz
mpd-2632794578b5abc14b16c5f67acf1da53fe76b46.tar.xz
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archive/bz2: added struct bz2_input_stream
Don't use the bz2_archive_file object for the input_stream.
Diffstat (limited to 'src/archive/bz2_archive_plugin.c')
-rw-r--r--src/archive/bz2_archive_plugin.c53
1 files changed, 32 insertions, 21 deletions
diff --git a/src/archive/bz2_archive_plugin.c b/src/archive/bz2_archive_plugin.c
index b3a9027af..2469a5bd6 100644
--- a/src/archive/bz2_archive_plugin.c
+++ b/src/archive/bz2_archive_plugin.c
@@ -45,6 +45,10 @@ struct bz2_archive_file {
char *name;
bool reset;
struct input_stream istream;
+};
+
+struct bz2_input_stream {
+ struct bz2_archive_file *archive;
bool eof;
@@ -63,7 +67,7 @@ bz2_quark(void)
/* single archive handling allocation helpers */
static bool
-bz2_alloc(struct bz2_archive_file *data, GError **error_r)
+bz2_alloc(struct bz2_input_stream *data, GError **error_r)
{
int ret;
@@ -89,7 +93,7 @@ bz2_alloc(struct bz2_archive_file *data, GError **error_r)
}
static void
-bz2_destroy(struct bz2_archive_file *data)
+bz2_destroy(struct bz2_input_stream *data)
{
BZ2_bzDecompressEnd(&data->bzstream);
g_free(data->buffer);
@@ -162,17 +166,22 @@ bz2_open_stream(struct archive_file *file, struct input_stream *is,
G_GNUC_UNUSED const char *path, GError **error_r)
{
struct bz2_archive_file *context = (struct bz2_archive_file *) file;
+ struct bz2_input_stream *bis = g_new(struct bz2_input_stream, 1);
+
+ bis->archive = context;
//setup file ops
is->plugin = &bz2_inputplugin;
//insert back reference
- is->data = context;
+ is->data = bis;
is->seekable = false;
- if (!bz2_alloc(context, error_r))
+ if (!bz2_alloc(bis, error_r)) {
+ g_free(bis);
return false;
+ }
- context->eof = false;
+ bis->eof = false;
return true;
}
@@ -180,31 +189,33 @@ bz2_open_stream(struct archive_file *file, struct input_stream *is,
static void
bz2_is_close(struct input_stream *is)
{
- struct bz2_archive_file *context = (struct bz2_archive_file *) is->data;
- bz2_destroy(context);
- is->data = NULL;
+ struct bz2_input_stream *bis = (struct bz2_input_stream *)is->data;
+
+ bz2_destroy(bis);
+
+ bz2_close(&bis->archive->base);
- bz2_close((struct archive_file *)context);
+ g_free(bis);
}
static bool
-bz2_fillbuffer(struct bz2_archive_file *context, GError **error_r)
+bz2_fillbuffer(struct bz2_input_stream *bis, GError **error_r)
{
size_t count;
bz_stream *bzstream;
- bzstream = &context->bzstream;
+ bzstream = &bis->bzstream;
if (bzstream->avail_in > 0)
return true;
- count = input_stream_read(&context->istream,
- context->buffer, BZ_BUFSIZE,
+ count = input_stream_read(&bis->archive->istream,
+ bis->buffer, BZ_BUFSIZE,
error_r);
if (count == 0)
return false;
- bzstream->next_in = context->buffer;
+ bzstream->next_in = bis->buffer;
bzstream->avail_in = count;
return true;
}
@@ -213,26 +224,26 @@ static size_t
bz2_is_read(struct input_stream *is, void *ptr, size_t length,
GError **error_r)
{
- struct bz2_archive_file *context = (struct bz2_archive_file *) is->data;
+ struct bz2_input_stream *bis = (struct bz2_input_stream *)is->data;
bz_stream *bzstream;
int bz_result;
size_t nbytes = 0;
- if (context->eof)
+ if (bis->eof)
return 0;
- bzstream = &context->bzstream;
+ bzstream = &bis->bzstream;
bzstream->next_out = ptr;
bzstream->avail_out = length;
do {
- if (!bz2_fillbuffer(context, error_r))
+ if (!bz2_fillbuffer(bis, error_r))
return 0;
bz_result = BZ2_bzDecompress(bzstream);
if (bz_result == BZ_STREAM_END) {
- context->eof = true;
+ bis->eof = true;
break;
}
@@ -252,9 +263,9 @@ bz2_is_read(struct input_stream *is, void *ptr, size_t length,
static bool
bz2_is_eof(struct input_stream *is)
{
- struct bz2_archive_file *context = (struct bz2_archive_file *) is->data;
+ struct bz2_input_stream *bis = (struct bz2_input_stream *)is->data;
- return context->eof;
+ return bis->eof;
}
/* exported structures */