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Update zip structs

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atxr 2024-02-06 20:13:10 +01:00
parent 4c6972b961
commit 8bb984e61a
1 changed files with 47 additions and 14 deletions
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61
libmineziper/include/libmineziper_zip.h
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@ -1,9 +1,12 @@
#ifndef LIBMINEZIPER_ZIP_H
#define LIBMINEZIPER_ZIP_H
#define START_CDH_SEARCH 22
#define CDH_MB "PK\05\06"
#define LFH_MB "PK\03\04"
#pragma pack(1)
#define START_EOCD_SEARCH 22
#define EOCD_SIG "PK\05\06"
#define LFH_SIG "PK\03\04"
#define CDH_SIG "PK\01\02"
typedef struct raw
{
@ -13,26 +16,56 @@ typedef struct raw
typedef struct LFH
{
char mb[4]; // CDH_MB "PK\03\04"
void* crc32; // TODO TYPE?
int size_compressed_data;
int size_uncompressed_data;
void* filename; // TODO TYPE?
void* data;
int sig; // LFH_SIG "PK\03\04"
short version;
short f;
short compression_method;
short last_mod_time;
short last_mod_date;
int crc32;
int compressed_size;
int uncompressed_size;
short filename_length;
short extra_field_length;
char* filename;
} LFH;
typedef struct CDH
{
char mb[4]; // CDH_MB "PK\05\06"
void* crc32; // TODO TYPE?
LFH* lfh;
void* filename; // TODO TYPE?
int sig; // CDH_SIG "PK\01\02"
short v1;
short v2;
short f;
short compression_method;
short last_mod_time;
short last_mod_date;
int crc32;
int compressed_size;
int uncompressed_size;
short filename_length;
short extra_field_length;
short file_comment_length;
short disk_number_start;
short internal_file_attributes;
int external_file_attributes;
int off_lfh;
} CDH;
typedef struct EOCD
{
int sig; // CDH_SIG "PK\05\06"
char d[6];
short number_of_entries;
int size_cdh;
int off_cdh;
} EOCD;
typedef struct zip
{
// compression type
CDH* cd;
char* cd;
CDH** cdh;
EOCD* eocd;
} zip;
void find_cdh(raw* raw, zip* out);