int
archive_read_open1(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter *filter;
int slot, e;
archive_check_magic(_a, ARCHIVE_READ_MAGIC, ARCHIVE_STATE_NEW,
"archive_read_open");
archive_clear_error(&a->archive);
if (a->client.reader == NULL) {
archive_set_error(&a->archive, EINVAL,
"No reader function provided to archive_read_open");
a->archive.state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
/* Open data source. */
if (a->client.opener != NULL) {
e =(a->client.opener)(&a->archive, a->client.data);
if (e != 0) {
/* If the open failed, call the closer to clean up. */
if (a->client.closer)
(a->client.closer)(&a->archive, a->client.data);
return (e);
}
}
filter = calloc(1, sizeof(*filter));
if (filter == NULL)
return (ARCHIVE_FATAL);
filter->bidder = NULL;
filter->upstream = NULL;
filter->archive = a;
filter->data = a->client.data;
filter->read = client_read_proxy;
filter->skip = client_skip_proxy;
filter->seek = client_seek_proxy;
filter->close = client_close_proxy;
filter->name = "none";
filter->code = ARCHIVE_COMPRESSION_NONE;
a->filter = filter;
/* Build out the input pipeline. */
e = choose_filters(a);
if (e < ARCHIVE_WARN) {
a->archive.state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
slot = choose_format(a);
if (slot < 0) {
close_filters(a);
a->archive.state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
a->format = &(a->formats[slot]);
a->archive.state = ARCHIVE_STATE_HEADER;
return (e);
}
int
archive_read_open1(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter *filter, *tmp;
int slot;
int e = 0;
unsigned int i;
archive_check_magic(_a, ARCHIVE_READ_MAGIC, ARCHIVE_STATE_NEW,
"archive_read_open");
archive_clear_error(&a->archive);
if (a->client.reader == NULL) {
archive_set_error(&a->archive, EINVAL,
"No reader function provided to archive_read_open");
a->archive.state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
/* Open data source. */
if (a->client.opener != NULL) {
e = (a->client.opener)(&a->archive, a->client.dataset[0].data);
if (e != 0) {
/* If the open failed, call the closer to clean up. */
if (a->client.closer) {
for (i = 0; i < a->client.nodes; i++)
(a->client.closer)(&a->archive,
a->client.dataset[i].data);
}
return (e);
}
}
filter = calloc(1, sizeof(*filter));
if (filter == NULL)
return (ARCHIVE_FATAL);
filter->bidder = NULL;
filter->upstream = NULL;
filter->archive = a;
filter->data = a->client.dataset[0].data;
filter->open = client_open_proxy;
filter->read = client_read_proxy;
filter->skip = client_skip_proxy;
filter->seek = client_seek_proxy;
filter->close = client_close_proxy;
filter->sswitch = client_switch_proxy;
filter->name = "none";
filter->code = ARCHIVE_FILTER_NONE;
a->client.dataset[0].begin_position = 0;
if (!a->filter || !a->bypass_filter_bidding)
{
a->filter = filter;
/* Build out the input pipeline. */
e = choose_filters(a);
if (e < ARCHIVE_WARN) {
a->archive.state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
}
else
{
/* Need to add "NONE" type filter at the end of the filter chain */
tmp = a->filter;
while (tmp->upstream)
tmp = tmp->upstream;
tmp->upstream = filter;
}
if (!a->format)
{
slot = choose_format(a);
if (slot < 0) {
__archive_read_close_filters(a);
a->archive.state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
a->format = &(a->formats[slot]);
}
a->archive.state = ARCHIVE_STATE_HEADER;
/* Ensure libarchive starts from the first node in a multivolume set */
client_switch_proxy(a->filter, 0);
return (e);
}
