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Handle error condition better.

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rocky
2006-04-11 01:05:44 +00:00
parent e11190d0b2
commit e039fcee0e
1 changed files with 15 additions and 11 deletions
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26
lib/udf/udf_file.c
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@@ -1,5 +1,5 @@
/* /*
$Id: udf_file.c,v 1.7 2006/04/11 00:26:54 rocky Exp $ $Id: udf_file.c,v 1.8 2006/04/11 01:05:44 rocky Exp $
Copyright (C) 2005 Rocky Bernstein <rocky@panix.com> Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
@@ -108,17 +108,21 @@ udf_read_block(const udf_dirent_t *p_udf_dirent, void * buf, size_t count)
udf_file_entry_t *p_udf_fe = (udf_file_entry_t *) data; udf_file_entry_t *p_udf_fe = (udf_file_entry_t *) data;
driver_return_code_t ret = driver_return_code_t ret =
udf_read_sectors(p_udf, data, p_udf_dirent->fe.unique_ID, 1); udf_read_sectors(p_udf, data, p_udf_dirent->fe.unique_ID, 1);
if (ret == DRIVER_OP_SUCCESS && if (ret == DRIVER_OP_SUCCESS) {
!udf_checktag(&p_udf_fe->tag, TAGID_FILE_ENTRY)) { if (!udf_checktag(&p_udf_fe->tag, TAGID_FILE_ENTRY)) {
uint32_t i_lba_start, i_lba_end; uint32_t i_lba_start, i_lba_end;
udf_get_lba( p_udf_fe, &i_lba_start, &i_lba_end); udf_get_lba( p_udf_fe, &i_lba_start, &i_lba_end);
if ( (i_lba_end - i_lba_start+1) < count ) { if ( (i_lba_end - i_lba_start+1) < count ) {
printf("Warning: don't know how to handle yet\n" ); printf("Warning: don't know how to handle yet\n" );
count = i_lba_end - i_lba_start+1; count = i_lba_end - i_lba_start+1;
}
return udf_read_sectors(p_udf, buf, p_udf->i_part_start+i_lba_start,
count);
}
else {
return DRIVER_OP_ERROR;
} }
return udf_read_sectors(p_udf, buf, p_udf->i_part_start+i_lba_start,
count);
} }
return ret; return ret;
} }