File indexing completed on 2025-02-02 04:25:58

 /* Copyright 2015 the unarr project authors (see AUTHORS file).
    License: LGPLv3 */
 
 /* this is the common private/implementation API of unarr which should only be used by unarr code */
 
 #ifndef common_unarr_imp_h
 #define common_unarr_imp_h
 
 #include "../unarr.h"
 #include "allocator.h"
 
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdarg.h>
 #include <string.h>
 #include <inttypes.h>
 
 /***** conv ****/
 
 size_t ar_conv_rune_to_utf8(wchar_t rune, char *out, size_t size);
 char *ar_conv_dos_to_utf8(const char *astr);
 time64_t ar_conv_dosdate_to_filetime(uint32_t dosdate);
 
 /***** crc32 *****/
 
 uint32_t ar_crc32(uint32_t crc32, const unsigned char *data, size_t data_len);
 
 /***** stream *****/
 
 typedef void (* ar_stream_close_fn)(void *data);
 typedef size_t (* ar_stream_read_fn)(void *data, void *buffer, size_t count);
 typedef bool (* ar_stream_seek_fn)(void *data, off64_t offset, int origin);
 typedef off64_t (* ar_stream_tell_fn)(void *data);
 
 struct ar_stream_s {
     ar_stream_close_fn close;
     ar_stream_read_fn read;
     ar_stream_seek_fn seek;
     ar_stream_tell_fn tell;
     void *data;
 };
 
 ar_stream *ar_open_stream(void *data, ar_stream_close_fn close, ar_stream_read_fn read, ar_stream_seek_fn seek, ar_stream_tell_fn tell);
 
 /***** unarr *****/
 
 #define warn(...) ar_log("!", __FILE__, __LINE__, __VA_ARGS__)
 #ifndef NDEBUG
 #define log(...) ar_log("-", __FILE__, __LINE__, __VA_ARGS__)
 #else
 #define log(...) ((void)0)
 #endif
 void ar_log(const char *prefix, const char *file, int line, const char *msg, ...);
 
 typedef void (* ar_archive_close_fn)(ar_archive *ar);
 typedef bool (* ar_parse_entry_fn)(ar_archive *ar, off64_t offset);
 typedef const char *(* ar_entry_get_name_fn)(ar_archive *ar);
 typedef bool (* ar_entry_uncompress_fn)(ar_archive *ar, void *buffer, size_t count);
 typedef size_t (* ar_get_global_comment_fn)(ar_archive *ar, void *buffer, size_t count);
 
 struct ar_archive_s {
     ar_archive_close_fn close;
     ar_parse_entry_fn parse_entry;
     ar_entry_get_name_fn get_name;
     ar_entry_uncompress_fn uncompress;
     ar_get_global_comment_fn get_comment;
 
     ar_stream *stream;
     bool at_eof;
     off64_t entry_offset;
     off64_t entry_offset_first;
     off64_t entry_offset_next;
     size_t entry_size_uncompressed;
     time64_t entry_filetime;
 };
 
 ar_archive *ar_open_archive(ar_stream *stream, size_t struct_size, ar_archive_close_fn close, ar_parse_entry_fn parse_entry,
                             ar_entry_get_name_fn get_name, ar_entry_uncompress_fn uncompress, ar_get_global_comment_fn get_comment,
                             off64_t first_entry_offset);
 
 #endif