lib/memzip/memzip.h · QuecPython/microPython

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microPython

lib

memzip

memzip.h

memzip.h 2.24 KB

#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;

typedef struct {
 uint32_t file_size;
 uint16_t last_mod_date;
 uint16_t last_mod_time;
 uint8_t is_dir;

} MEMZIP_FILE_INFO;

MEMZIP_RESULT memzip_locate(const char *filename, void **data, size_t *len);

MEMZIP_RESULT memzip_stat(const char *path, MEMZIP_FILE_INFO *info);

Copy Edit Raw Blame History

chenchi authored 2021年06月03日 16:44 +08:00 . first commit

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#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;

typedef struct {
 uint32_t file_size;
 uint16_t last_mod_date;
 uint16_t last_mod_time;
 uint8_t is_dir;

} MEMZIP_FILE_INFO;

MEMZIP_RESULT memzip_locate(const char *filename, void **data, size_t *len);

MEMZIP_RESULT memzip_stat(const char *path, MEMZIP_FILE_INFO *info);