filetype: Add type detection at an offset

Add file_name_detect_type_offset to allow file system detection for loop
mounts at an offset.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/filetype.h b/include/filetype.h
index b98dcb5014..ec5aea2635 100644
--- a/include/filetype.h
+++ b/include/filetype.h
@@ -50,6 +50,7 @@ const char *file_type_to_short_string(enum filetype f);
 enum filetype file_detect_partition_table(const void *_buf, size_t bufsize);
 enum filetype file_detect_type(const void *_buf, size_t bufsize);
 enum filetype file_name_detect_type(const char *filename);
+enum filetype file_name_detect_type_offset(const char *filename, loff_t pos);
 enum filetype cdev_detect_type(const char *name);
 enum filetype is_fat_or_mbr(const unsigned char *sector, unsigned long *bootsec);
 int is_fat_boot_sector(const void *_buf);