| -rw-r--r-- | git.h | 60 |
1 files changed, 55 insertions, 5 deletions
@@ -12,48 +12,68 @@ #define FLEX_ARRAY 0 #else #define FLEX_ARRAY /* empty */ #endif #endif #include <unistd.h> #include <stdio.h> #include <sys/stat.h> #include <fcntl.h> #include <stddef.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> #include <errno.h> #include <limits.h> #include <sys/param.h> #include <netinet/in.h> #include <sys/types.h> #include <dirent.h> #include <time.h> +/* On most systems <limits.h> would have given us this, but + * not on some systems (e.g. GNU/Hurd). + */ +#ifndef PATH_MAX +#define PATH_MAX 4096 +#endif + +#ifdef __GNUC__ +#define NORETURN __attribute__((__noreturn__)) +#else +#define NORETURN +#ifndef __attribute__ +#define __attribute__(x) +#endif +#endif + + +extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2))); + + static inline char* xstrdup(const char *str) { char *ret = strdup(str); if (!ret) die("Out of memory, strdup failed"); return ret; } static inline void *xmalloc(size_t size) { void *ret = malloc(size); if (!ret && !size) ret = malloc(1); if (!ret) die("Out of memory, malloc failed"); #ifdef XMALLOC_POISON memset(ret, 0xA5, size); #endif return ret; } static inline void *xrealloc(void *ptr, size_t size) { void *ret = realloc(ptr, size); @@ -87,51 +107,55 @@ static inline ssize_t xread(int fd, void *buf, size_t len) 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 */ /* Convert to/from hex/sha1 representation */ #define MINIMUM_ABBREV 4 #define DEFAULT_ABBREV 7 +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! */ /* * from git:object.h */ 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; @@ -162,69 +186,80 @@ struct tree { void *buffer; unsigned long size; }; /* from git:commit.h */ struct commit_list { struct commit *item; struct commit_list *next; }; 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); -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); - typedef void (*topo_sort_set_fn_t)(struct commit*, void *data); typedef void* (*topo_sort_get_fn_t)(struct commit*); /* * from git:diff.h */ struct rev_info; struct diff_options; struct diff_queue_struct; typedef void (*change_fn_t)(struct diff_options *options, unsigned old_mode, unsigned new_mode, const unsigned char *old_sha1, const unsigned char *new_sha1, const char *base, const char *path); typedef void (*add_remove_fn_t)(struct diff_options *options, int addremove, unsigned mode, const unsigned char *sha1, @@ -285,48 +320,58 @@ struct diff_options { int nr_paths; const char **paths; int *pathlens; change_fn_t change; add_remove_fn_t add_remove; diff_format_fn_t format_callback; void *format_callback_data; }; enum color_diff { DIFF_RESET = 0, DIFF_PLAIN = 1, DIFF_METAINFO = 2, DIFF_FRAGINFO = 3, DIFF_FILE_OLD = 4, DIFF_FILE_NEW = 5, DIFF_COMMIT = 6, DIFF_WHITESPACE = 7, }; +/* + * from git:refs.g + */ + +typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data); +extern int head_ref(each_ref_fn, void *); +extern int for_each_ref(each_ref_fn, void *); +extern int for_each_tag_ref(each_ref_fn, void *); +extern int for_each_branch_ref(each_ref_fn, void *); +extern int for_each_remote_ref(each_ref_fn, void *); /* * from git:revision.h */ struct rev_info; struct log_info; typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit); struct rev_info { /* Starting list */ struct commit_list *commits; struct object_array pending; /* Basic information */ const char *prefix; void *prune_data; prune_fn_t *prune_fn; /* Traversal flags */ unsigned int dense:1, @@ -370,30 +415,35 @@ struct rev_info { int nr, total; const char *mime_boundary; const char *message_id; const char *ref_message_id; const char *add_signoff; const char *extra_headers; /* Filter by commit log message */ struct grep_opt *grep_filter; /* special limits */ int max_count; unsigned long max_age; unsigned long min_age; /* diff info for patches and for paths limiting */ struct diff_options diffopt; struct diff_options pruning; topo_sort_set_fn_t topo_setter; topo_sort_get_fn_t topo_getter; }; +extern void init_revisions(struct rev_info *revs, const char *prefix); +extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def); +extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename); + +extern void prepare_revision_walk(struct rev_info *revs); extern struct commit *get_revision(struct rev_info *revs); #endif /* GIT_H */ |