/src/zziplib/zzip/memdisk.h
https://bitbucket.org/cabalistic/ogredeps/ · C++ Header · 171 lines · 135 code · 26 blank · 10 comment · 9 complexity · d58db38ce5371a5d3ea3b6e571b07d4d MD5 · raw file
- #ifndef __ZZIP_MEMDISK_H
- #define __ZZIP_MEMDISK_H
- /* NOTE: this is part of libzzipmmapped (i.e. it is not libzzip). */
- #include <zzip/types.h>
- #include <zzip/mmapped.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- typedef struct _zzip_mem_disk ZZIP_MEM_DISK;
- typedef struct _zzip_mem_entry ZZIP_MEM_ENTRY;
- struct _zzip_mem_disk {
- ZZIP_DISK* disk;
- ZZIP_MEM_ENTRY* list;
- ZZIP_MEM_ENTRY* last;
- };
- #ifndef zzip_mem_disk_extern
- #define zzip_mem_disk_extern
- #endif
- zzip_mem_disk_extern zzip__new__ ZZIP_MEM_DISK*
- zzip_mem_disk_new (void);
- zzip_mem_disk_extern zzip__new__ ZZIP_MEM_DISK*
- zzip_mem_disk_open (char* filename);
- zzip_mem_disk_extern zzip__new__ ZZIP_MEM_DISK*
- zzip_mem_disk_fdopen (int fd);
- zzip_mem_disk_extern zzip__new__ ZZIP_MEM_DISK *
- zzip_mem_disk_buffer(char *buffer, size_t buflen);
- zzip_mem_disk_extern void
- zzip_mem_disk_close (ZZIP_MEM_DISK* _zzip_restrict dir);
- zzip_mem_disk_extern long
- zzip_mem_disk_load (ZZIP_MEM_DISK* dir, ZZIP_DISK* disk);
- zzip_mem_disk_extern void
- zzip_mem_disk_unload (ZZIP_MEM_DISK* dir);
- ZZIP_EXTRA_BLOCK*
- zzip_mem_entry_extra_block (ZZIP_MEM_ENTRY* entry, short datatype);
- #ifdef USE_INLINE
- _zzip_inline ZZIP_DISK* zzip_disk (ZZIP_MEM_DISK* dir) { return dir->disk; }
- #else
- #define zzip_disk(_X_) ((_X_)->disk)
- #endif
- /* these functions are much faster than the orgiinal zzip_disk_ functions */
- /* zzip_mem_entry <is similar to> zzip_disk_entry */
- struct _zzip_mem_entry {
- struct _zzip_mem_entry* zz_next;
- char* zz_name; /* zero-terminated (from "filename") */
- zzip_byte_t* zz_data; /* compressed content start (mmap addr) */
- int zz_flags; /* (from "z_flags") */
- int zz_compr; /* (from "z_compr") */
- long zz_mktime; /* (from "z_dostime") */
- long zz_crc32; /* (from "z_crc32") */
- zzip_off_t zz_csize; /* (from "z_csize") overridden by zip64 */
- zzip_off_t zz_usize; /* (from "z_usize") overridden by zip64 */
- zzip_off_t zz_offset; /* (from "z_offset") overridden by zip64 */
- int zz_diskstart; /* (from "z_diskstart") rridden by zip64 */
- int zz_filetype; /* (from "z_filetype") */
- char* zz_comment; /* zero-terminated (from "comment") */
- ZZIP_EXTRA_BLOCK* zz_ext[3]; /* terminated by null in z_datatype */
- }; /* the extra blocks are NOT converted */
- #define _zzip_mem_disk_findfirst(_d_) ((_d_)->list)
- #define _zzip_mem_disk_findnext(_d_,_e_) (!(_e_)?(_d_)->list:(_e_)->zz_next)
- #define _zzip_mem_entry_findnext(_e_) ((_e_)->zz_next)
- #ifndef USE_INLINE
- #define zzip_mem_disk_findfirst _zzip_mem_disk_findfirst
- #define zzip_mem_disk_findnext _zzip_mem_disk_findnext
- #define zzip_mem_entry_findnext _zzip_mem_entry_findnext
- #else
- _zzip_inline ZZIP_MEM_ENTRY*
- zzip_mem_disk_findfirst(ZZIP_MEM_DISK* dir) {
- if (! dir) return 0;
- return _zzip_mem_disk_findfirst(dir); }
- _zzip_inline ZZIP_MEM_ENTRY*
- zzip_mem_disk_findnext(ZZIP_MEM_DISK* dir, ZZIP_MEM_ENTRY* entry) {
- if (! dir) return 0;
- return _zzip_mem_disk_findnext(dir, entry); }
- _zzip_inline ZZIP_MEM_ENTRY*
- zzip_mem_entry_findnext(ZZIP_MEM_ENTRY* entry) {
- if (! entry) return 0;
- return _zzip_mem_entry_findnext(entry); }
- #endif
- #define _zzip_mem_entry_to_name(_e_) ((_e_)->zz_name)
- #define _zzip_mem_entry_to_comment(_e_) ((_e_)->zz_comment)
- #define _zzip_mem_entry_strdup_name(_e_) (strdup((_e_)->zz_name))
- #define _zzip_mem_entry_to_data(_e_) ((_e_)->zz_data)
- #ifndef USE_INLINE
- #define zzip_mem_entry_to_name _zzip_mem_entry_to_name
- #define zzip_mem_entry_to_comment _zzip_mem_entry_to_comment
- #define zzip_mem_entry_strdup_name _zzip_mem_entry_strdup_name
- #define zzip_mem_entry_to_data _zzip_mem_entry_to_data
- #else
- _zzip_inline char*
- zzip_mem_entry_to_name(ZZIP_MEM_ENTRY* entry) {
- if (! entry) return 0;
- return _zzip_mem_entry_to_name(entry); }
- _zzip_inline char*
- zzip_mem_entry_to_comment(ZZIP_MEM_ENTRY* entry) {
- if (! entry) return 0;
- return _zzip_mem_entry_to_comment(entry); }
- zzip__new__
- _zzip_inline char*
- zzip_mem_entry_strdup_name(ZZIP_MEM_ENTRY* entry) {
- if (! entry) return 0;
- return _zzip_mem_entry_strdup_name(entry); }
- _zzip_inline zzip_byte_t*
- zzip_mem_entry_to_data(ZZIP_MEM_ENTRY* entry) {
- if (! entry) return 0;
- return _zzip_mem_entry_to_data(entry); }
- #endif
- ZZIP_MEM_ENTRY*
- zzip_mem_disk_findfile(ZZIP_MEM_DISK* dir,
- char* filename, ZZIP_MEM_ENTRY* after,
- zzip_strcmp_fn_t compare);
- ZZIP_MEM_ENTRY*
- zzip_mem_disk_findmatch(ZZIP_MEM_DISK* dir,
- char* filespec, ZZIP_MEM_ENTRY* after,
- zzip_fnmatch_fn_t compare, int flags);
- /* named access -------------------------------------------------------- */
- #define zzip_mem_entry_usize(_e_) ((_e_)->zz_usize)
- #define zzip_mem_entry_csize(_e_) ((_e_)->zz_csize)
- #define zzip_mem_entry_data_encrypted(_e_) ZZIP_IS_ENCRYPTED((_e_)->zz_flags)
- #define zzip_mem_entry_data_streamed(_e_) ZZIP_IS_STREAMED((_e_)->zz_flags)
- #define zzip_mem_entry_data_comprlevel(_e_) ((_e_)->zz_compr)
- #define zzip_mem_entry_data_stored(_e_) ((_e_)->zz_compr == ZZIP_IS_STORED)
- #define zzip_mem_entry_data_deflated(_e_) ((_e_)->zz_compr == ZZIP_IS_DEFLATED)
- /* zzip_mem_disk_file -------------------------------------------------- */
- /* since only the header data is being cached, all the real data
- * operations are actually the same as in mmapped.h - just fopen makes
- * access to the header data in memory instead of the zip archive.
- */
- typedef ZZIP_DISK_FILE ZZIP_MEM_DISK_FILE;
- zzip__new__ ZZIP_MEM_DISK_FILE*
- zzip_mem_entry_fopen (ZZIP_MEM_DISK* dir, ZZIP_MEM_ENTRY* entry);
- zzip__new__ ZZIP_MEM_DISK_FILE*
- zzip_mem_disk_fopen (ZZIP_MEM_DISK* dir, char* filename);
- _zzip_size_t
- zzip_mem_disk_fread (void* ptr, _zzip_size_t size, _zzip_size_t nmemb,
- ZZIP_MEM_DISK_FILE* file);
- int
- zzip_mem_disk_fclose (ZZIP_MEM_DISK_FILE* file);
- int
- zzip_mem_disk_feof (ZZIP_MEM_DISK_FILE* file);
- /* convert dostime of entry to unix time_t */
- long zzip_disk_entry_get_mktime(ZZIP_DISK_ENTRY* entry);
- #ifdef __cplusplus
- }
- #endif
- #endif