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pack: move check_pack_index_ptr(), nth_packed_object_offset()

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Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Tan
2017-08-18 15:20:32 -07:00
committed by Junio C Hamano
parent d5a1676182
commit 9e0f45f5a6
4 changed files with 49 additions and 49 deletions
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16
packfile.h
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@ -63,6 +63,16 @@ extern void unuse_pack(struct pack_window **);
extern void clear_delta_base_cache(void);
extern struct packed_git *add_packed_git(const char *path, size_t path_len, int local);
/*
* Make sure that a pointer access into an mmap'd index file is within bounds,
* and can provide at least 8 bytes of data.
*
* Note that this is only necessary for variable-length segments of the file
* (like the 64-bit extended offset table), as we compare the size to the
* fixed-length parts when we open the file.
*/
extern void check_pack_index_ptr(const struct packed_git *p, const void *ptr);
/*
* Return the SHA-1 of the nth object within the specified packfile.
* Open the index if it is not already open. The return value points
@ -77,6 +87,11 @@ extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t
*/
extern const struct object_id *nth_packed_object_oid(struct object_id *, struct packed_git *, uint32_t n);
/*
* Return the offset of the nth object within the specified packfile.
* The index must already be opened.
*/
extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t n);
extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *);
extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
@ -94,4 +109,5 @@ extern int packed_object_info(struct packed_git *pack, off_t offset, struct obje
extern void mark_bad_packed_object(struct packed_git *p, const unsigned char *sha1);
extern const struct packed_git *has_packed_and_bad(const unsigned char *sha1);
#endif