EVOLUTION-MANAGER

Edit File: iostream-lz4.h

#ifndef IOSTREAM_LZ4_H #define IOSTREAM_LZ4_H /* Dovecot's LZ4 compressed files contain: IOSTREAM_LZ4_HEADER n x (4 byte big-endian: compressed chunk length, compressed chunk) */ #define IOSTREAM_LZ4_MAGIC "Dovecot-LZ4\x0d\x2a\x9b\xc5" #define IOSTREAM_LZ4_MAGIC_LEN (sizeof(IOSTREAM_LZ4_MAGIC)-1) struct iostream_lz4_header { unsigned char magic[IOSTREAM_LZ4_MAGIC_LEN]; /* OSTREAM_LZ4_CHUNK_SIZE in big-endian */ unsigned char max_uncompressed_chunk_size[4]; }; /* How large chunks we're buffering into memory before compressing them */ #define OSTREAM_LZ4_CHUNK_SIZE (1024*64) /* How large chunks we allow in input data before returning a failure. This must be at least OSTREAM_LZ4_CHUNK_SIZE, but for future compatibility should be somewhat higher (but not too high to avoid wasting memory for corrupted files). */ #define ISTREAM_LZ4_CHUNK_SIZE (1024*1024) #define IOSTREAM_LZ4_CHUNK_PREFIX_LEN 4 /* big-endian size of chunk */ #endif