X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=cache.h;h=f630cf4bfa92e45600a83d2c3bac05a855deb847;hb=HEAD;hp=634b5aa69cddc412af74da94991bee96101e2701;hpb=36d277c72d90d32f99616072b64a2652248f5264;p=git.git diff --git a/cache.h b/cache.h index 634b5aa6..f630cf4b 100644 --- a/cache.h +++ b/cache.h @@ -1,23 +1,7 @@ #ifndef CACHE_H #define CACHE_H -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#ifndef NO_MMAP -#include -#endif -#include -#include -#include -#include +#include "git-compat-util.h" #include SHA1_HEADER #include @@ -26,9 +10,13 @@ #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) #endif -#ifdef DT_UNKNOWN +#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) #define DTYPE(de) ((de)->d_type) #else +#undef DT_UNKNOWN +#undef DT_DIR +#undef DT_REG +#undef DT_LNK #define DT_UNKNOWN 0 #define DT_DIR 1 #define DT_REG 2 @@ -36,15 +24,6 @@ #define DTYPE(de) DT_UNKNOWN #endif -#ifdef __GNUC__ -#define NORETURN __attribute__((__noreturn__)) -#else -#define NORETURN -#ifndef __attribute__ -#define __attribute__(x) -#endif -#endif - /* * Intensive research over the course of many years has shown that * port 9418 is totally unused by anything else. Or @@ -106,12 +85,13 @@ struct cache_entry { unsigned int ce_size; unsigned char sha1[20]; unsigned short ce_flags; - char name[0]; + char name[FLEX_ARRAY]; /* more */ }; #define CE_NAMEMASK (0x0fff) #define CE_STAGEMASK (0x3000) #define CE_UPDATE (0x4000) +#define CE_VALID (0x8000) #define CE_STAGESHIFT 12 #define create_ce_flags(len, stage) htons((len) | ((stage) << CE_STAGESHIFT)) @@ -126,11 +106,15 @@ static inline unsigned int create_ce_mode(unsigned int mode) return htonl(S_IFLNK); return htonl(S_IFREG | ce_permissions(mode)); } +#define canon_mode(mode) \ + (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \ + S_ISLNK(mode) ? S_IFLNK : S_IFDIR) #define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7) extern struct cache_entry **active_cache; extern unsigned int active_nr, active_alloc, active_cache_changed; +extern struct cache_tree *active_cache_tree; #define GIT_DIR_ENVIRONMENT "GIT_DIR" #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" @@ -147,14 +131,19 @@ extern char *get_graft_file(void); #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" extern const char **get_pathspec(const char *prefix, const char **pathspec); +extern const char *setup_git_directory_gently(int *); extern const char *setup_git_directory(void); extern const char *prefix_path(const char *prefix, int len, const char *path); +extern const char *prefix_filename(const char *prefix, int len, const char *path); +extern void verify_filename(const char *prefix, const char *name); +extern void verify_non_filename(const char *prefix, const char *name); #define alloc_nr(x) (((x)+16)*3/2) /* Initialize and use the cache information */ extern int read_cache(void); extern int write_cache(int newfd, struct cache_entry **cache, int entries); +extern int verify_path(const char *path); extern int cache_name_pos(const char *name, int namelen); #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ @@ -163,24 +152,38 @@ extern int add_cache_entry(struct cache_entry *ce, int option); extern int remove_cache_entry_at(int pos); extern int remove_file_from_cache(const char *path); extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); -extern int ce_match_stat(struct cache_entry *ce, struct stat *st); -extern int ce_modified(struct cache_entry *ce, struct stat *st); +extern int ce_match_stat(struct cache_entry *ce, struct stat *st, int); +extern int ce_modified(struct cache_entry *ce, struct stat *st, int); extern int ce_path_match(const struct cache_entry *ce, const char **pathspec); extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, const char *type); +extern int read_pipe(int fd, char** return_buf, unsigned long* return_size); +extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object); extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); -struct cache_file { - struct cache_file *next; - char lockfile[PATH_MAX]; +#define REFRESH_REALLY 0x0001 /* ignore_valid */ +#define REFRESH_UNMERGED 0x0002 /* allow unmerged */ +#define REFRESH_QUIET 0x0004 /* be quiet about it */ +#define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ +extern int refresh_cache(unsigned int flags); + +struct lock_file { + struct lock_file *next; + char filename[PATH_MAX]; }; -extern int hold_index_file_for_update(struct cache_file *, const char *path); -extern int commit_index_file(struct cache_file *); -extern void rollback_index_file(struct cache_file *); +extern int hold_lock_file_for_update(struct lock_file *, const char *path); +extern int commit_lock_file(struct lock_file *); +extern void rollback_lock_file(struct lock_file *); +/* Environment bits from configuration mechanism */ extern int trust_executable_bit; -extern int only_use_symrefs; +extern int assume_unchanged; +extern int prefer_symlink_refs; +extern int log_all_ref_updates; +extern int warn_ambiguous_refs; extern int diff_rename_limit_default; +extern int shared_repository; +extern const char *apply_default_whitespace; #define GIT_REPO_VERSION 0 extern int repository_format_version; @@ -205,8 +208,9 @@ extern const unsigned char null_sha1[20]; int git_mkstemp(char *path, size_t n, const char *template); +int adjust_shared_perm(const char *path); int safe_create_leading_directories(char *path); -char *safe_strncpy(char *, const char *, size_t); +size_t safe_strncpy(char *, const char *, size_t); char *enter_repo(char *path, int strict); /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ @@ -225,9 +229,6 @@ extern char *write_sha1_file_prepare(void *buf, extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); -/* Read a tree into the cache */ -extern int read_tree(void *buffer, unsigned long size, int stage, const char **paths); - extern int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer, size_t bufsize, size_t *bufposn); extern int write_sha1_to_fd(int fd, const unsigned char *sha1); @@ -240,6 +241,9 @@ extern int has_pack_file(const unsigned char *sha1); extern int has_pack_index(const unsigned char *sha1); /* Convert to/from hex/sha1 representation */ +#define MINIMUM_ABBREV 4 +#define DEFAULT_ABBREV 7 + 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! */ @@ -248,11 +252,6 @@ extern const char *resolve_ref(const char *path, unsigned char *sha1, int); extern int create_symref(const char *git_HEAD, const char *refs_heads_master); extern int validate_symref(const char *git_HEAD); -/* General helper functions */ -extern void usage(const char *err) NORETURN; -extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2))); -extern int error(const char *err, ...) __attribute__((format (printf, 1, 2))); - extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); @@ -262,37 +261,14 @@ extern void *read_object_with_reference(const unsigned char *sha1, unsigned char *sha1_ret); const char *show_date(unsigned long time, int timezone); +const char *show_rfc2822_date(unsigned long time, int timezone); int parse_date(const char *date, char *buf, int bufsize); void datestamp(char *buf, int bufsize); unsigned long approxidate(const char *); extern int setup_ident(void); -extern const char *git_author_info(void); -extern const char *git_committer_info(void); - -static inline void *xmalloc(size_t size) -{ - void *ret = malloc(size); - if (!ret) - die("Out of memory, malloc failed"); - return ret; -} - -static inline void *xrealloc(void *ptr, size_t size) -{ - void *ret = realloc(ptr, size); - 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) - die("Out of memory, calloc failed"); - return ret; -} +extern const char *git_author_info(int); +extern const char *git_committer_info(int); struct checkout { const char *base_dir; @@ -303,12 +279,12 @@ struct checkout { refresh_cache:1; }; -extern int checkout_entry(struct cache_entry *ce, struct checkout *state); +extern int checkout_entry(struct cache_entry *ce, struct checkout *state, char *topath); extern struct alternate_object_database { struct alternate_object_database *next; char *name; - char base[0]; /* more */ + char base[FLEX_ARRAY]; /* more */ } *alt_odb_list; extern void prepare_alt_odb(void); @@ -322,7 +298,8 @@ extern struct packed_git { unsigned int pack_use_cnt; int pack_local; unsigned char sha1[20]; - char pack_name[0]; /* something like ".git/objects/pack/xxxxx.pack" */ + /* something like ".git/objects/pack/xxxxx.pack" */ + char pack_name[FLEX_ARRAY]; /* more */ } *packed_git; struct pack_entry { @@ -337,7 +314,7 @@ struct ref { unsigned char new_sha1[20]; unsigned char force; struct ref *peer_ref; /* when renaming */ - char name[0]; + char name[FLEX_ARRAY]; /* more */ }; extern int git_connect(int fd[2], char *url, const char *prog); @@ -366,25 +343,11 @@ extern int num_packed_objects(const struct packed_git *p); extern int nth_packed_object_sha1(const struct packed_git *, int, unsigned char*); extern int find_pack_entry_one(const unsigned char *, struct pack_entry *, struct packed_git *); extern void *unpack_entry_gently(struct pack_entry *, char *, unsigned long *); -extern void packed_object_info_detail(struct pack_entry *, char *, unsigned long *, unsigned long *, int *, unsigned char *); +extern void packed_object_info_detail(struct pack_entry *, char *, unsigned long *, unsigned long *, unsigned int *, unsigned char *); /* Dumb servers support */ extern int update_server_info(int); -#ifdef NO_MMAP - -#ifndef PROT_READ -#define PROT_READ 1 -#define PROT_WRITE 2 -#define MAP_PRIVATE 1 -#define MAP_FAILED ((void*)-1) -#endif - -extern void *gitfakemmap(void *start, size_t length, int prot , int flags, int fd, off_t offset); -extern int gitfakemunmap(void *start, size_t length); - -#endif - typedef int (*config_fn_t)(const char *, const char *); extern int git_default_config(const char *, const char *); extern int git_config_from_file(config_fn_t fn, const char *); @@ -402,31 +365,17 @@ extern char git_default_name[MAX_GITNAME]; #define MAX_ENCODING_LENGTH 64 extern char git_commit_encoding[MAX_ENCODING_LENGTH]; -/* Sane ctype - no locale, and works with signed chars */ -#undef isspace -#undef isdigit -#undef isalpha -#undef isalnum -#undef tolower -#undef toupper -extern unsigned char sane_ctype[256]; -#define GIT_SPACE 0x01 -#define GIT_DIGIT 0x02 -#define GIT_ALPHA 0x04 -#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0) -#define isspace(x) sane_istest(x,GIT_SPACE) -#define isdigit(x) sane_istest(x,GIT_DIGIT) -#define isalpha(x) sane_istest(x,GIT_ALPHA) -#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) -#define tolower(x) sane_case((unsigned char)(x), 0x20) -#define toupper(x) sane_case((unsigned char)(x), 0) - -static inline int sane_case(int x, int high) -{ - if (sane_istest(x, GIT_ALPHA)) - x = (x & ~0x20) | high; - return x; -} - extern int copy_fd(int ifd, int ofd); + +/* Finish off pack transfer receiving end */ +extern int receive_unpack_pack(int fd[2], const char *me, int quiet); +extern int receive_keep_pack(int fd[2], const char *me, int quiet); + +/* pager.c */ +extern void setup_pager(void); + +/* base85 */ +int decode_85(char *dst, char *line, int linelen); +void encode_85(char *buf, unsigned char *data, int bytes); + #endif /* CACHE_H */