74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
|
#pragma pack(push, 1)
|
||
|
|
|
||
|
|
#define MEMZIP_FILE_HEADER_SIGNATURE 0x04034b50
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
uint32_t signature;
|
||
|
|
uint16_t version;
|
||
|
|
uint16_t flags;
|
||
|
|
uint16_t compression_method;
|
||
|
|
uint16_t last_mod_time;
|
||
|
|
uint16_t last_mod_date;
|
||
|
|
uint32_t crc32;
|
||
|
|
uint32_t compressed_size;
|
||
|
|
uint32_t uncompressed_size;
|
||
|
|
uint16_t filename_len;
|
||
|
|
uint16_t extra_len;
|
||
|
|
|
||
|
|
/* char filename[filename_len] */
|
||
|
|
/* uint8_t extra[extra_len] */
|
||
|
|
|
||
|
|
} MEMZIP_FILE_HDR;
|
||
|
|
|
||
|
|
#define MEMZIP_CENTRAL_DIRECTORY_SIGNATURE 0x02014b50
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
uint32_t signature;
|
||
|
|
uint16_t version_made_by;
|
||
|
|
uint16_t version_read_with;
|
||
|
|
uint16_t flags;
|
||
|
|
uint16_t compression_method;
|
||
|
|
uint16_t last_mod_time;
|
||
|
|
uint16_t last_mod_date;
|
||
|
|
uint32_t crc32;
|
||
|
|
uint32_t compressed_size;
|
||
|
|
uint32_t uncompressed_size;
|
||
|
|
uint16_t filename_len;
|
||
|
|
uint16_t extra_len;
|
||
|
|
uint16_t disk_num;
|
||
|
|
uint16_t internal_file_attributes;
|
||
|
|
uint32_t external_file_attributes;
|
||
|
|
uint32_t file_header_offset;
|
||
|
|
|
||
|
|
/* char filename[filename_len] */
|
||
|
|
/* uint8_t extra[extra_len] */
|
||
|
|
|
||
|
|
} MEMZIP_CENTRAL_DIRECTORY_HDR;
|
||
|
|
|
||
|
|
#define MEMZIP_END_OF_CENTRAL_DIRECTORY_SIGNATURE 0x06054b50
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
uint32_t signature;
|
||
|
|
uint16_t disk_num;
|
||
|
|
uint16_t central_directory_disk;
|
||
|
|
uint16_t num_central_directories_this_disk;
|
||
|
|
uint16_t total_central_directories;
|
||
|
|
uint32_t central_directory_size;
|
||
|
|
uint32_t central_directory_offset;
|
||
|
|
uint16_t comment_len;
|
||
|
|
|
||
|
|
/* char comment[comment_len] */
|
||
|
|
|
||
|
|
} MEMZIP_END_OF_CENTRAL_DIRECTORY;
|
||
|
|
|
||
|
|
#pragma pack(pop)
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
MZ_OK = 0, /* (0) Succeeded */
|
||
|
|
MZ_NO_FILE, /* (1) Could not find the file. */
|
||
|
|
MZ_FILE_COMPRESSED, /* (2) File is compressed (expecting uncompressed) */
|
||
|
|
|
||
|
|
} MEMZIP_RESULT;
|
||
|
|
|
||
|
|
MEMZIP_RESULT memzip_locate(const char *filename, void **data, size_t *len);
|