X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=csum-file.h;h=3b540bdc21d2edf8d3d6fc2b5e52cc840aa19395;hb=19a6cd372a998df3079d870e02c064c5bb101841;hp=294add2a91496355b42ce02ecfe9c453d21b291a;hpb=03f94ae9f909952ed5a78917ab319a312889354b;p=git.git

diff --git a/csum-file.h b/csum-file.h
index 294add2a9..3b540bdc2 100644
--- a/csum-file.h
+++ b/csum-file.h
@@ -6,6 +6,7 @@ struct progress;
 /* A SHA1-protected file */
 struct sha1file {
 	int fd;
+	int check_fd;
 	unsigned int offset;
 	git_SHA_CTX ctx;
 	off_t total;
@@ -16,11 +17,21 @@ struct sha1file {
 	unsigned char buffer[8192];
 };
 
+/* Checkpoint */
+struct sha1file_checkpoint {
+	off_t offset;
+	git_SHA_CTX ctx;
+};
+
+extern void sha1file_checkpoint(struct sha1file *, struct sha1file_checkpoint *);
+extern int sha1file_truncate(struct sha1file *, struct sha1file_checkpoint *);
+
 /* sha1close flags */
 #define CSUM_CLOSE	1
 #define CSUM_FSYNC	2
 
 extern struct sha1file *sha1fd(int fd, const char *name);
+extern struct sha1file *sha1fd_check(const char *name);
 extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp);
 extern int sha1close(struct sha1file *, unsigned char *, unsigned int);
 extern int sha1write(struct sha1file *, void *, unsigned int);