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61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
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/*
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* Copyright (C) 2005 Junio C Hamano
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*/
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#ifndef _DIFFCORE_H_
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#define _DIFFCORE_H_
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/* This header file is internal between diff.c and its diff transformers
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* (e.g. diffcore-rename, diffcore-pickaxe). Never include this header
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* in anything else.
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*/
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#define MAX_SCORE 10000
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#define DEFAULT_MINIMUM_SCORE 5000
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#define RENAME_DST_MATCHED 01
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#define RENAME_SRC_GONE 02
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#define RENAME_SCORE_SHIFT 8
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struct diff_filespec {
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unsigned char sha1[20];
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char *path;
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void *data;
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unsigned long size;
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int xfrm_flags; /* for use by the xfrm */
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unsigned short mode; /* file mode */
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unsigned sha1_valid : 1; /* if true, use sha1 and trust mode;
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* if false, use the name and read from
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* the filesystem.
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*/
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unsigned file_valid : 1; /* if false the file does not exist */
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unsigned should_free : 1; /* data should be free()'ed */
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unsigned should_munmap : 1; /* data should be munmap()'ed */
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};
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extern struct diff_filespec *alloc_filespec(const char *);
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extern void fill_filespec(struct diff_filespec *, const unsigned char *,
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unsigned short);
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extern int diff_populate_filespec(struct diff_filespec *);
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extern void diff_free_filespec_data(struct diff_filespec *);
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struct diff_file_pair {
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struct diff_filespec *one;
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struct diff_filespec *two;
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char *xfrm_msg;
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int orig_order; /* the original order of insertion into the queue */
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int xfrm_work; /* for use by tramsformers, not by diffcore */
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};
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struct diff_queue_struct {
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struct diff_file_pair **queue;
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int alloc;
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int nr;
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};
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extern struct diff_file_pair *diff_queue(struct diff_queue_struct *,
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struct diff_filespec *,
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struct diff_filespec *);
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extern void diff_detect_rename(struct diff_queue_struct *, int, int);
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#endif
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