explode.h
上传用户:yisoukefu
上传日期:2020-08-09
资源大小:39506k
文件大小:3k
- #ifndef EXPLODE_H
- #define EXPLODE_H
- #define LIBMPQ_PKZIP_EXP_BUFFER_SIZE 12596 /* Size of decompress buffer */
- #define LIBMPQ_PKZIP_CMP_BINARY 0 /* Binary compression */
- #define LIBMPQ_PKZIP_CMP_ASCII 1 /* Ascii compression */
- #define LIBMPQ_PKZIP_CMP_NO_ERROR 0
- #define LIBMPQ_PKZIP_CMP_INV_DICTSIZE 1
- #define LIBMPQ_PKZIP_CMP_INV_MODE 2
- #define LIBMPQ_PKZIP_CMP_BAD_DATA 3
- #define LIBMPQ_PKZIP_CMP_ABORT 4
- /* Compression structure (size: 12596 bytes on x86-32) */
- #pragma pack(push,1)
- typedef struct {
- unsigned long offs0000; /* 0000 */
- unsigned long cmp_type; /* 0004 - Compression type (LIBMPQ_PZIP_CMP_BINARY or LIBMPQ_PKZIP_CMP_ASCII) */
- unsigned long out_pos; /* 0008 - Position in output buffer */
- unsigned long dsize_bits; /* 000C - Dict size (4, 5, 6 for 0x400, 0x800, 0x1000) */
- unsigned long dsize_mask; /* 0010 - Dict size bitmask (0x0F, 0x1F, 0x3F for 0x400, 0x800, 0x1000) */
- unsigned long bit_buf; /* 0014 - 16-bit buffer for processing input data */
- unsigned long extra_bits; /* 0018 - Number of extra (above 8) bits in bit buffer */
- unsigned int in_pos; /* 001C - Position in in_buf */
- unsigned long in_bytes; /* 0020 - Number of bytes in input buffer */
- void *param; /* 0024 - Custom parameter */
- unsigned int (*read_buf)(char *buf, unsigned int *size, void *param); /* 0028 */
- void (*write_buf)(char *buf, unsigned int *size, void *param); /* 002C */
- unsigned char out_buf[0x2000]; /* 0030 - Output circle buffer. Starting position is 0x1000 */
- unsigned char offs_2030[0x204]; /* 2030 - ??? */
- unsigned char in_buf[0x800]; /* 2234 - Buffer for data to be decompressed */
- unsigned char pos1[0x100]; /* 2A34 - Positions in buffers */
- unsigned char pos2[0x100]; /* 2B34 - Positions in buffers */
- unsigned char offs_2c34[0x100]; /* 2C34 - Buffer for */
- unsigned char offs_2d34[0x100]; /* 2D34 - Buffer for */
- unsigned char offs_2e34[0x80]; /* 2EB4 - Buffer for */
- unsigned char offs_2eb4[0x100]; /* 2EB4 - Buffer for */
- unsigned char bits_asc[0x100]; /* 2FB4 - Buffer for */
- unsigned char dist_bits[0x40]; /* 30B4 - Numbers of bytes to skip copied block length */
- unsigned char slen_bits[0x10]; /* 30F4 - Numbers of bits for skip copied block length */
- unsigned char clen_bits[0x10]; /* 3104 - Number of valid bits for copied block */
- unsigned short len_base[0x10]; /* 3114 - Buffer for */
- } pkzip_data_cmp; // __attribute__ ((packed)) pkzip_data_cmp;
- #pragma pack(pop)
- typedef struct {
- char *in_buf; /* Pointer to input data buffer */
- unsigned int in_pos; /* Current offset in input data buffer */
- int in_bytes; /* Number of bytes in the input buffer */
- char *out_buf; /* Pointer to output data buffer */
- unsigned int out_pos; /* Position in the output buffer */
- int max_out; /* Maximum number of bytes in the output buffer */
- } pkzip_data;
- extern unsigned int libmpq_pkzip_explode(
- unsigned int (*read_buf)(char *buf, unsigned int *size, void *param),
- void (*write_buf)(char *buf, unsigned int *size, void *param),
- char *work_buf,
- void *param
- );
- #endif /* _EXPLODE_H */