ee861bc6cf
git-subtree-dir: external/unarr git-subtree-split: f243d72fb3fe418c26a19514609ac7167d089df4
85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/* Copyright 2015 the unarr project authors (see AUTHORS file).
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License: LGPLv3 */
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/* this is the common private/implementation API of unarr which should only be used by unarr code */
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#ifndef common_unarr_imp_h
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#define common_unarr_imp_h
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#include "../unarr.h"
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#include "allocator.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <inttypes.h>
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/***** conv ****/
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size_t ar_conv_rune_to_utf8(wchar_t rune, char *out, size_t size);
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char *ar_conv_dos_to_utf8(const char *astr);
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time64_t ar_conv_dosdate_to_filetime(uint32_t dosdate);
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/***** crc32 *****/
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uint32_t ar_crc32(uint32_t crc32, const unsigned char *data, size_t data_len);
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/***** stream *****/
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typedef void (* ar_stream_close_fn)(void *data);
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typedef size_t (* ar_stream_read_fn)(void *data, void *buffer, size_t count);
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typedef bool (* ar_stream_seek_fn)(void *data, off64_t offset, int origin);
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typedef off64_t (* ar_stream_tell_fn)(void *data);
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struct ar_stream_s {
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ar_stream_close_fn close;
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ar_stream_read_fn read;
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ar_stream_seek_fn seek;
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ar_stream_tell_fn tell;
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void *data;
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};
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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);
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/***** unarr *****/
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#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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#define warn(...) ar_log("!", __FILE__, __LINE__, __VA_ARGS__)
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#else
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#define warn(...) ((void)0)
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#endif
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#ifndef NDEBUG
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#define log(...) ar_log("-", __FILE__, __LINE__, __VA_ARGS__)
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#else
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#define log(...) ((void)0)
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#endif
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void ar_log(const char *prefix, const char *file, int line, const char *msg, ...);
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typedef void (* ar_archive_close_fn)(ar_archive *ar);
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typedef bool (* ar_parse_entry_fn)(ar_archive *ar, off64_t offset);
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typedef const char *(* ar_entry_get_name_fn)(ar_archive *ar, bool raw);
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typedef bool (* ar_entry_uncompress_fn)(ar_archive *ar, void *buffer, size_t count);
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typedef size_t (* ar_get_global_comment_fn)(ar_archive *ar, void *buffer, size_t count);
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struct ar_archive_s {
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ar_archive_close_fn close;
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ar_parse_entry_fn parse_entry;
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ar_entry_get_name_fn get_name;
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ar_entry_uncompress_fn uncompress;
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ar_get_global_comment_fn get_comment;
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ar_stream *stream;
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bool at_eof;
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off64_t entry_offset;
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off64_t entry_offset_first;
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off64_t entry_offset_next;
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size_t entry_size_uncompressed;
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time64_t entry_filetime;
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};
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ar_archive *ar_open_archive(ar_stream *stream, size_t struct_size, ar_archive_close_fn close, ar_parse_entry_fn parse_entry,
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ar_entry_get_name_fn get_name, ar_entry_uncompress_fn uncompress, ar_get_global_comment_fn get_comment,
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off64_t first_entry_offset);
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#endif
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