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archive/iso9660: set input_stream.{size,offset}

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This commit is contained in:
Max Kellermann 2009-12-31 10:29:17 +01:00
parent 9862521aec
commit 131cb0598a
1 changed files with 8 additions and 8 deletions
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16
src/archive/iso9660_archive_plugin.c
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@ -39,7 +39,6 @@ struct iso9660_archive_file {
iso9660_t *iso;
iso9660_stat_t *statbuf;
size_t cur_ofs;
size_t max_blocks;
GSList *list;
GSList *iter;
@ -179,7 +178,9 @@ iso9660_archive_open_stream(struct archive_file *file, struct input_stream *is,
"not found in the ISO file: %s", pathname);
return false;
}
context->cur_ofs = 0;
is->size = context->statbuf->size;
context->max_blocks = CEILING(context->statbuf->size, ISO_BLOCKSIZE);
return true;
}
@ -200,7 +201,7 @@ iso9660_input_read(struct input_stream *is, void *ptr, size_t size, GError **err
struct iso9660_archive_file *context = (struct iso9660_archive_file *) is->data;
int toread, readed = 0;
int no_blocks, cur_block;
size_t left_bytes = context->statbuf->size - context->cur_ofs;
size_t left_bytes = context->statbuf->size - is->offset;
size = (size * ISO_BLOCKSIZE) / ISO_BLOCKSIZE;
@ -213,7 +214,7 @@ iso9660_input_read(struct input_stream *is, void *ptr, size_t size, GError **err
}
if (no_blocks > 0) {
cur_block = context->cur_ofs / ISO_BLOCKSIZE;
cur_block = is->offset / ISO_BLOCKSIZE;
readed = iso9660_iso_seek_read (context->iso, ptr,
context->statbuf->lsn + cur_block, no_blocks);
@ -227,7 +228,8 @@ iso9660_input_read(struct input_stream *is, void *ptr, size_t size, GError **err
if (left_bytes < size) {
readed = left_bytes;
}
context->cur_ofs += readed;
is->offset += readed;
}
return readed;
}
@ -235,9 +237,7 @@ iso9660_input_read(struct input_stream *is, void *ptr, size_t size, GError **err
static bool
iso9660_input_eof(struct input_stream *is)
{
struct iso9660_archive_file *context = is->data;
return (context->cur_ofs == context->statbuf->size);
return is->offset == is->size;
}
/* exported structures */