| -rw-r--r-- | git.h | 34 |
1 files changed, 34 insertions, 0 deletions
@@ -79,96 +79,109 @@ static inline void *xrealloc(void *ptr, size_t size) void *ret = realloc(ptr, size); if (!ret && !size) ret = realloc(ptr, 1); if (!ret) die("Out of memory, realloc failed"); return ret; } static inline void *xcalloc(size_t nmemb, size_t size) { void *ret = calloc(nmemb, size); if (!ret && (!nmemb || !size)) ret = calloc(1, 1); if (!ret) die("Out of memory, calloc failed"); return ret; } static inline ssize_t xread(int fd, void *buf, size_t len) { ssize_t nr; while (1) { nr = read(fd, buf, len); if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) continue; return nr; } } static inline ssize_t xwrite(int fd, const void *buf, size_t len) { ssize_t nr; while (1) { nr = write(fd, buf, len); if ((nr < 0) && (errno == EAGAIN || errno == EINTR)) continue; return nr; } } /* * from git:cache.h */ +enum object_type { + OBJ_NONE = 0, + OBJ_COMMIT = 1, + OBJ_TREE = 2, + OBJ_BLOB = 3, + OBJ_TAG = 4, + /* 5 for future expansion */ + OBJ_OFS_DELTA = 6, + OBJ_REF_DELTA = 7, + OBJ_BAD, +}; + + /* Convert to/from hex/sha1 representation */ #define MINIMUM_ABBREV 4 #define DEFAULT_ABBREV 7 extern const unsigned char null_sha1[20]; extern int sha1_object_info(const unsigned char *, char *, unsigned long *); extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size); extern int get_sha1(const char *str, unsigned char *sha1); extern int get_sha1_hex(const char *hex, unsigned char *sha1); extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ static inline int is_null_sha1(const unsigned char *sha1) { return !memcmp(sha1, null_sha1, 20); } static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) { return memcmp(sha1, sha2, 20); } static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) { memcpy(sha_dst, sha_src, 20); } static inline void hashclr(unsigned char *hash) { memset(hash, 0, 20); } /* * from git:grep.h */ enum grep_pat_token { GREP_PATTERN, GREP_PATTERN_HEAD, GREP_PATTERN_BODY, GREP_AND, GREP_OPEN_PAREN, GREP_CLOSE_PAREN, GREP_NOT, GREP_OR, }; enum grep_context { @@ -183,96 +196,98 @@ struct grep_pat { enum grep_pat_token token; const char *pattern; regex_t regexp; }; enum grep_expr_node { GREP_NODE_ATOM, GREP_NODE_NOT, GREP_NODE_AND, GREP_NODE_OR, }; struct grep_opt { struct grep_pat *pattern_list; struct grep_pat **pattern_tail; struct grep_expr *pattern_expression; int prefix_length; regex_t regexp; unsigned linenum:1; unsigned invert:1; unsigned status_only:1; unsigned name_only:1; unsigned unmatch_name_only:1; unsigned count:1; unsigned word_regexp:1; unsigned fixed:1; unsigned all_match:1; #define GREP_BINARY_DEFAULT 0 #define GREP_BINARY_NOMATCH 1 #define GREP_BINARY_TEXT 2 unsigned binary:2; unsigned extended:1; unsigned relative:1; unsigned pathname:1; int regflags; unsigned pre_context; unsigned post_context; }; extern void compile_grep_patterns(struct grep_opt *opt); extern void free_grep_patterns(struct grep_opt *opt); /* * from git:object.h */ +extern const char *type_names[9]; + struct object_list { struct object *item; struct object_list *next; }; struct object_refs { unsigned count; struct object *base; struct object *ref[FLEX_ARRAY]; /* more */ }; struct object_array { unsigned int nr; unsigned int alloc; struct object_array_entry { struct object *item; const char *name; } *objects; }; #define TYPE_BITS 3 #define FLAG_BITS 27 /* * The object type is stored in 3 bits. */ struct object { unsigned parsed : 1; unsigned used : 1; unsigned type : TYPE_BITS; unsigned flags : FLAG_BITS; unsigned char sha1[20]; }; /* * from git:tree.h */ struct tree { struct object object; void *buffer; unsigned long size; }; struct tree *lookup_tree(const unsigned char *sha1); int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size); @@ -299,96 +314,115 @@ struct commit_list { struct commit { struct object object; void *util; unsigned long date; struct commit_list *parents; struct tree *tree; char *buffer; }; struct commit *lookup_commit(const unsigned char *sha1); struct commit *lookup_commit_reference(const unsigned char *sha1); struct commit *lookup_commit_reference_gently(const unsigned char *sha1, int quiet); int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size); int parse_commit(struct commit *item); struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p); struct commit_list * insert_by_date(struct commit *item, struct commit_list **list); void free_commit_list(struct commit_list *list); void sort_by_date(struct commit_list **list); /* Commit formats */ enum cmit_fmt { CMIT_FMT_RAW, CMIT_FMT_MEDIUM, CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM, CMIT_FMT_SHORT, CMIT_FMT_FULL, CMIT_FMT_FULLER, CMIT_FMT_ONELINE, CMIT_FMT_EMAIL, CMIT_FMT_UNSPECIFIED, }; extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject, int relative_date); typedef void (*topo_sort_set_fn_t)(struct commit*, void *data); typedef void* (*topo_sort_get_fn_t)(struct commit*); /* + * from git:tag.h + */ + +extern const char *tag_type; + +struct tag { + struct object object; + struct object *tagged; + char *tag; + char *signature; /* not actually implemented */ +}; + +extern struct tag *lookup_tag(const unsigned char *sha1); +extern int parse_tag_buffer(struct tag *item, void *data, unsigned long size); +extern int parse_tag(struct tag *item); +extern struct object *deref_tag(struct object *, const char *, int); + + +/* * from git:diffcore.h */ struct diff_filespec { unsigned char sha1[20]; char *path; void *data; void *cnt_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. */ #define DIFF_FILE_VALID(spec) (((spec)->mode) != 0) unsigned should_free : 1; /* data should be free()'ed */ unsigned should_munmap : 1; /* data should be munmap()'ed */ }; struct diff_filepair { struct diff_filespec *one; struct diff_filespec *two; unsigned short int score; char status; /* M C R N D U (see Documentation/diff-format.txt) */ unsigned source_stays : 1; /* all of R/C are copies */ unsigned broken_pair : 1; unsigned renamed_pair : 1; }; #define DIFF_PAIR_UNMERGED(p) \ (!DIFF_FILE_VALID((p)->one) && !DIFF_FILE_VALID((p)->two)) #define DIFF_PAIR_RENAME(p) ((p)->renamed_pair) #define DIFF_PAIR_BROKEN(p) \ ( (!DIFF_FILE_VALID((p)->one) != !DIFF_FILE_VALID((p)->two)) && \ ((p)->broken_pair != 0) ) #define DIFF_PAIR_TYPE_CHANGED(p) \ ((S_IFMT & (p)->one->mode) != (S_IFMT & (p)->two->mode)) #define DIFF_PAIR_MODE_CHANGED(p) ((p)->one->mode != (p)->two->mode) extern void diff_free_filepair(struct diff_filepair *); extern int diff_unmodified_pair(struct diff_filepair *); |