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IsoStream version 3 with cmp_ino(),

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new API call iso_stream_cmp_ino() for proper comparison of filtered streams
This commit is contained in:
Thomas Schmitt
2009-05-12 09:29:06 +02:00
parent 5b073a2f29
commit 8c4682ae92
6 changed files with 156 additions and 24 deletions
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27
libisofs/filters/external.c
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@@ -594,8 +594,13 @@ IsoStream *extf_get_input_stream(IsoStream *stream, int flag)
}
static
int extf_cmp_ino(IsoStream *s1, IsoStream *s2);
/* Function is defined after definition of extf_stream_class */
IsoStreamIface extf_stream_class = {
2,
3,
"extf",
extf_stream_open,
extf_stream_close,
@@ -605,10 +610,28 @@ IsoStreamIface extf_stream_class = {
extf_stream_get_id,
extf_stream_free,
extf_update_size,
extf_get_input_stream
extf_get_input_stream,
extf_cmp_ino
};
static
int extf_cmp_ino(IsoStream *s1, IsoStream *s2)
{
ExternalFilterStreamData *data1, *data2;
if (s1->class != &extf_stream_class || s2->class != &extf_stream_class)
return iso_stream_cmp_ino(s1, s2, 1);
data1 = (ExternalFilterStreamData*) s1->data;
data2 = (ExternalFilterStreamData*) s2->data;
if (data1->cmd != data2->cmd)
return (data1->cmd < data2->cmd ? -1 : 1);
return iso_stream_cmp_ino(data1->orig, data2->orig, 0);
}
/* ------------------------------------------------------------------------- */
static
void extf_filter_free(FilterContext *filter)
{