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New IsoStream_Iface.version 2 with method .get_input_stream(),

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new API function iso_stream_get_input_stream(),
new API function iso_file_remove_filter(),
iso_file_get_old_image_sections() now refers to the most original stream
of a file.
This commit is contained in:
Thomas Schmitt
2009-03-28 19:37:44 +01:00
parent 8b0920df53
commit 681d092118
5 changed files with 124 additions and 10 deletions
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20
libisofs/fs_image.c
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@ -3229,18 +3229,28 @@ int iso_file_get_old_image_sections(IsoFile *file, int *section_count,
* to get the sections. This break encapsultation, but safes memory as
* we don't need to store the sections in the IsoFile node.
*/
IsoStream *stream = file->stream;
IsoStream *stream = file->stream, *input_stream;
FSrcStreamData *data;
ImageFileSourceData *ifsdata;
/* <<< ts A90327 : provisory patch on SIGSEGV */
/* ts A90328 : Get the most original stream */
while (1) {
input_stream = iso_stream_get_input_stream(stream, 0);
if (input_stream == NULL || input_stream == stream)
break;
stream = input_stream;
}
/* ts A90327 : From here on it must be a stream with FSrcStreamData. */
/* ??? Shall one rather check :
stream->class == extern IsoStreamIface fsrc_stream_class
(its storage location is global in stream.c)
*/
if (stream->class->type[0] != 'f' || stream->class->type[1] != 's' ||
stream->class->type[2] != 'r' || stream->class->type[3] != 'c')
return 0;
/* >>> need a method to get the most original stream */
data = file->stream->data;
data = stream->data;
ifsdata = data->src->data;
*section_count = ifsdata->nsections;