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Yet incomplete implementation of IsoNode cloning.

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(Commited to avoid tangling with upcomming 
 iso_write_opts_set_no_dummy_block_adr())
This commit is contained in:
Thomas Schmitt
2011-01-25 10:50:37 +01:00
parent 92073c45ef
commit a3eeda3d23
15 changed files with 613 additions and 53 deletions
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35
libisofs/filters/external.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2009 Thomas Schmitt
* Copyright (c) 2009 - 2011 Thomas Schmitt
*
* This file is part of the libisofs project; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
@ -20,6 +20,7 @@
#include "../libisofs.h"
#include "../filter.h"
#include "../fsource.h"
#include "../stream.h"
#include <sys/types.h>
#include <sys/time.h>
@ -598,6 +599,33 @@ IsoStream *extf_get_input_stream(IsoStream *stream, int flag)
return data->orig;
}
static
int extf_clone_stream(IsoStream *old_stream, IsoStream **new_stream, int flag)
{
int ret;
IsoStream *new_input_stream, *stream;
ExternalFilterStreamData *stream_data, *old_stream_data;
stream_data = calloc(1, sizeof(ExternalFilterStreamData));
if (stream_data == NULL)
return ISO_OUT_OF_MEM;
ret = iso_stream_clone_filter_common(old_stream, &stream,
&new_input_stream, 0);
if (ret < 0) {
free((char *) stream_data);
return ret;
}
old_stream_data = (ExternalFilterStreamData *) old_stream->data;
stream_data->id = ++extf_ino_id;
stream_data->orig = new_input_stream;
stream_data->cmd = old_stream_data->cmd;
stream_data->cmd->refcount++;
stream_data->size = old_stream_data->size;
stream_data->running = NULL;
stream->data = stream_data;
*new_stream = stream;
return ISO_SUCCESS;
}
static
int extf_cmp_ino(IsoStream *s1, IsoStream *s2);
@ -605,7 +633,7 @@ int extf_cmp_ino(IsoStream *s1, IsoStream *s2);
IsoStreamIface extf_stream_class = {
3,
4,
"extf",
extf_stream_open,
extf_stream_close,
@ -616,7 +644,8 @@ IsoStreamIface extf_stream_class = {
extf_stream_free,
extf_update_size,
extf_get_input_stream,
extf_cmp_ino
extf_cmp_ino,
extf_clone_stream
};