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authorChristian Couder <chriscool@tuxfamily.org>2009-04-04 22:59:26 +0200
committerJunio C Hamano <gitster@pobox.com>2009-04-04 22:57:39 -0700
commit96beef8c2efaab06f703991ed7802b8cef4c00e3 (patch)
tree06274738bafabc3d1c523a30732cfa6a92438885 /sha1-lookup.h
parente96f3689ecd95997a2a474c2b7f21b0a67f138b1 (diff)
downloadgit-96beef8c2efaab06f703991ed7802b8cef4c00e3.tar.gz
sha1-lookup: add new "sha1_pos" function to efficiently lookup sha1
This function has been copied from the "patch_pos" function in "patch-ids.c" but an additional parameter has been added. The new parameter is a function pointer, that is used to access the sha1 of an element in the table. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'sha1-lookup.h')
-rw-r--r--sha1-lookup.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/sha1-lookup.h b/sha1-lookup.h
index 3249a81b3d..20af285681 100644
--- a/sha1-lookup.h
+++ b/sha1-lookup.h
@@ -1,6 +1,13 @@
#ifndef SHA1_LOOKUP_H
#define SHA1_LOOKUP_H
+typedef const unsigned char *sha1_access_fn(size_t index, void *table);
+
+extern int sha1_pos(const unsigned char *sha1,
+ void *table,
+ size_t nr,
+ sha1_access_fn fn);
+
extern int sha1_entry_pos(const void *table,
size_t elem_size,
size_t key_offset,