diff options
Diffstat (limited to 'cache.h')
| -rw-r--r-- | cache.h | 108 |
1 files changed, 62 insertions, 46 deletions
@@ -6,6 +6,7 @@ #include "hash.h" #include "advice.h" #include "gettext.h" +#include "convert.h" #include SHA1_HEADER #ifndef git_SHA_CTX @@ -16,13 +17,27 @@ #endif #include <zlib.h> -#if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200 -#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) -#endif - -void git_inflate_init(z_streamp strm); -void git_inflate_end(z_streamp strm); -int git_inflate(z_streamp strm, int flush); +typedef struct git_zstream { + z_stream z; + unsigned long avail_in; + unsigned long avail_out; + unsigned long total_in; + unsigned long total_out; + unsigned char *next_in; + unsigned char *next_out; +} git_zstream; + +void git_inflate_init(git_zstream *); +void git_inflate_init_gzip_only(git_zstream *); +void git_inflate_end(git_zstream *); +int git_inflate(git_zstream *, int flush); + +void git_deflate_init(git_zstream *, int level); +void git_deflate_init_gzip(git_zstream *, int level); +void git_deflate_end(git_zstream *); +int git_deflate_end_gently(git_zstream *); +int git_deflate(git_zstream *, int flush); +unsigned long git_deflate_bound(git_zstream *, unsigned long); #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) #define DTYPE(de) ((de)->d_type) @@ -582,35 +597,6 @@ extern int fsync_object_files; extern int core_preload_index; extern int core_apply_sparse_checkout; -enum safe_crlf { - SAFE_CRLF_FALSE = 0, - SAFE_CRLF_FAIL = 1, - SAFE_CRLF_WARN = 2 -}; - -extern enum safe_crlf safe_crlf; - -enum auto_crlf { - AUTO_CRLF_FALSE = 0, - AUTO_CRLF_TRUE = 1, - AUTO_CRLF_INPUT = -1 -}; - -extern enum auto_crlf auto_crlf; - -enum eol { - EOL_UNSET, - EOL_CRLF, - EOL_LF, -#ifdef NATIVE_CRLF - EOL_NATIVE = EOL_CRLF -#else - EOL_NATIVE = EOL_LF -#endif -}; - -extern enum eol core_eol; - enum branch_track { BRANCH_TRACK_UNSPECIFIED = -1, BRANCH_TRACK_NEVER = 0, @@ -747,7 +733,7 @@ extern char *expand_user_path(const char *path); char *enter_repo(char *path, int strict); static inline int is_absolute_path(const char *path) { - return path[0] == '/' || has_dos_drive_prefix(path); + return is_dir_sep(path[0]) || has_dos_drive_prefix(path); } int is_directory(const char *); const char *real_path(const char *path); @@ -780,10 +766,16 @@ extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, extern int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *return_sha1); extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); extern int force_object_loose(const unsigned char *sha1, time_t mtime); +extern void *map_sha1_file(const unsigned char *sha1, unsigned long *size); +extern int unpack_sha1_header(git_zstream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz); +extern int parse_sha1_header(const char *hdr, unsigned long *sizep); /* global flag to enable extra checks when accessing packed objects */ extern int do_check_packed_object_crc; +/* for development: log offset of pack access */ +extern const char *log_pack_access; + extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); extern int move_temp_to_file(const char *tmpfile, const char *filename); @@ -1009,7 +1001,7 @@ extern struct packed_git *find_sha1_pack(const unsigned char *sha1, extern void pack_report(void); extern int open_pack_index(struct packed_git *); extern void close_pack_index(struct packed_git *); -extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); +extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned long *); extern void close_pack_windows(struct packed_git *); extern void unuse_pack(struct pack_window **); extern void free_pack_by_name(const char *); @@ -1021,7 +1013,36 @@ extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t); -extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *); +extern int unpack_object_header(struct packed_git *, struct pack_window **, off_t *, unsigned long *); + +struct object_info { + /* Request */ + unsigned long *sizep; + + /* Response */ + enum { + OI_CACHED, + OI_LOOSE, + OI_PACKED, + OI_DBCACHED + } whence; + union { + /* + * struct { + * ... Nothing to expose in this case + * } cached; + * struct { + * ... Nothing to expose in this case + * } loose; + */ + struct { + struct packed_git *pack; + off_t offset; + unsigned int is_delta; + } packed; + } u; +}; +extern int sha1_object_info_extended(const unsigned char *, struct object_info *); /* Dumb servers support */ extern int update_server_info(int); @@ -1063,6 +1084,8 @@ extern int config_error_nonbool(const char *); extern const char *get_log_output_encoding(void); extern const char *get_commit_output_encoding(void); +extern int git_config_parse_parameter(const char *, config_fn_t fn, void *data); + extern const char *config_exclusive_filename; #define MAX_GITNAME (1000) @@ -1129,13 +1152,6 @@ extern void trace_strbuf(const char *key, const struct strbuf *buf); void packet_trace_identity(const char *prog); -/* convert.c */ -/* returns 1 if *dst was used */ -extern int convert_to_git(const char *path, const char *src, size_t len, - struct strbuf *dst, enum safe_crlf checksafe); -extern int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst); -extern int renormalize_buffer(const char *path, const char *src, size_t len, struct strbuf *dst); - /* add */ /* * return 0 if success, 1 - if addition of a file failed and |