diff options
Diffstat (limited to 'diffcore.h')
| -rw-r--r-- | diffcore.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/diffcore.h b/diffcore.h new file mode 100644 index 0000000000..5fa7067603 --- /dev/null +++ b/diffcore.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2005 Junio C Hamano + */ +#ifndef _DIFFCORE_H_ +#define _DIFFCORE_H_ + +/* This header file is internal between diff.c and its diff transformers + * (e.g. diffcore-rename, diffcore-pickaxe). Never include this header + * in anything else. + */ +#define MAX_SCORE 10000 +#define DEFAULT_MINIMUM_SCORE 5000 + +#define RENAME_DST_MATCHED 01 +#define RENAME_SRC_GONE 02 +#define RENAME_SCORE_SHIFT 8 + +struct diff_filespec { + unsigned char sha1[20]; + char *path; + void *data; + unsigned long size; + int xfrm_flags; /* for use by the xfrm */ + unsigned short mode; /* file mode */ + unsigned sha1_valid : 1; /* if true, use sha1 and trust mode; + * if false, use the name and read from + * the filesystem. + */ + unsigned file_valid : 1; /* if false the file does not exist */ + unsigned should_free : 1; /* data should be free()'ed */ + unsigned should_munmap : 1; /* data should be munmap()'ed */ +}; + +extern struct diff_filespec *alloc_filespec(const char *); +extern void fill_filespec(struct diff_filespec *, const unsigned char *, + unsigned short); + +extern int diff_populate_filespec(struct diff_filespec *); +extern void diff_free_filespec_data(struct diff_filespec *); + +struct diff_file_pair { + struct diff_filespec *one; + struct diff_filespec *two; + char *xfrm_msg; + int orig_order; /* the original order of insertion into the queue */ + int xfrm_work; /* for use by tramsformers, not by diffcore */ +}; + +struct diff_queue_struct { + struct diff_file_pair **queue; + int alloc; + int nr; +}; + +extern struct diff_file_pair *diff_queue(struct diff_queue_struct *, + struct diff_filespec *, + struct diff_filespec *); +extern void diff_detect_rename(struct diff_queue_struct *, int, int); + +#endif |