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Print LFH info in the cdh test

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This commit is contained in:
atxr 2024-02-19 14:58:11 +01:00
parent e18152f1d8
commit 3449b9edbf
3 changed files with 54 additions and 41 deletions
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30
libmineziper/include/libmineziper_zip.h
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@ -7,6 +7,7 @@
#define EOCD_SIG "PK\05\06"
#define LFH_SIG "PK\03\04"
#define CDH_SIG "PK\01\02"
#define DEFLATE 8
#define NUM_OF_CODE 26 * 2 + 10
const char* SYMBOLS =
@ -15,6 +16,7 @@ const char* SYMBOLS =
typedef struct raw
{
char* buf;
char* stream;
int size;
} raw;
@ -31,7 +33,6 @@ typedef struct LFH
int uncompressed_size;
short filename_length;
short extra_field_length;
char* filename;
} LFH;
typedef struct CDH
@ -64,11 +65,27 @@ typedef struct EOCD
int off_cdh;
} EOCD;
// Input stream header for DEFLATE
typedef struct ISH
{
unsigned last_block : 1;
unsigned block_type : 2;
} ISH;
// Dynamic Huffman Code header for DEFLATE
typedef struct DHCH
{
unsigned literal_codes : 5;
unsigned dist_codes : 5;
unsigned bit_length_code : 4;
} DHCH;
typedef struct zip
{
// compression type
char* cd;
CDH** cdh;
LFH** lfh;
EOCD* eocd;
} zip;
@ -78,11 +95,18 @@ typedef struct HN
unsigned char symbol;
unsigned char code;
unsigned char len;
} HN, *HT;
} HN;
typedef struct HT
{
unsigned char size;
HN* nodes;
} HT;
void get_eocd(raw* raw, zip* out);
void get_cdh(raw* raw, zip* out);
char* get_encoded_data(zip* in, int n);
void parse_zip(char* filename, zip* out);
void decode_huffman_tree(char* encoded, HT* out);
void deflate(zip* in);
#endif