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-rw-r--r--src/hashsig.h72
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diff --git a/src/hashsig.h b/src/hashsig.h
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--- a/src/hashsig.h
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-/*
- * Copyright (C) the libgit2 contributors. All rights reserved.
- *
- * This file is part of libgit2, distributed under the GNU GPL v2 with
- * a Linking Exception. For full terms see the included COPYING file.
- */
-#ifndef INCLUDE_hashsig_h__
-#define INCLUDE_hashsig_h__
-
-#include "common.h"
-
-/**
- * Similarity signature of line hashes for a buffer
- */
-typedef struct git_hashsig git_hashsig;
-
-typedef enum {
- GIT_HASHSIG_NORMAL = 0, /* use all data */
- GIT_HASHSIG_IGNORE_WHITESPACE = 1, /* ignore whitespace */
- GIT_HASHSIG_SMART_WHITESPACE = 2, /* ignore \r and all space after \n */
-} git_hashsig_option_t;
-
-/**
- * Build a similarity signature for a buffer
- *
- * If you have passed a whitespace-ignoring buffer, then the whitespace
- * will be removed from the buffer while it is being processed, modifying
- * the buffer in place. Sorry about that!
- *
- * This will return an error if the buffer doesn't contain enough data to
- * compute a valid signature.
- *
- * @param out The array of hashed runs representing the file content
- * @param buf The contents of the file to hash
- * @param buflen The length of the data at `buf`
- * @param generate_pairwise_hashes Should pairwise runs be hashed
- */
-extern int git_hashsig_create(
- git_hashsig **out,
- const char *buf,
- size_t buflen,
- git_hashsig_option_t opts);
-
-/**
- * Build a similarity signature from a file
- *
- * This walks through the file, only loading a maximum of 4K of file data at
- * a time. Otherwise, it acts just like `git_hashsig_create`.
- *
- * This will return an error if the file doesn't contain enough data to
- * compute a valid signature.
- */
-extern int git_hashsig_create_fromfile(
- git_hashsig **out,
- const char *path,
- git_hashsig_option_t opts);
-
-/**
- * Release memory for a content similarity signature
- */
-extern void git_hashsig_free(git_hashsig *sig);
-
-/**
- * Measure similarity between two files
- *
- * @return <0 for error, [0 to 100] as similarity score
- */
-extern int git_hashsig_compare(
- const git_hashsig *a,
- const git_hashsig *b);
-
-#endif