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| author | sr | 2013-07-11 19:43:24 +0200 |
|---|---|---|
| committer | sr | 2013-07-11 19:43:24 +0200 |
| commit | f10e60d3c16252cd448cc394ee2eb324e8a45572 (patch) | |
| tree | 2d5ba7fcd0b38daf4cbd31251ee94b76d4430414 /src/server/helper.h | |
| parent | Rewrite in progres.... (diff) | |
| download | dnbd3-f10e60d3c16252cd448cc394ee2eb324e8a45572.tar.gz dnbd3-f10e60d3c16252cd448cc394ee2eb324e8a45572.tar.xz dnbd3-f10e60d3c16252cd448cc394ee2eb324e8a45572.zip | |
Rewrite still in progres....
Diffstat (limited to 'src/server/helper.h')
| -rw-r--r-- | src/server/helper.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/server/helper.h b/src/server/helper.h index 1df86e8..f0285a2 100644 --- a/src/server/helper.h +++ b/src/server/helper.h @@ -100,4 +100,8 @@ static inline int strend(char *string, char *suffix) // but you actually need 2 bytes to have a complete cache map #define IMGSIZE_TO_MAPBYTES(bytes) ((int)(((bytes) + (1 << 15) - 1) >> 15)) +// calculate number of hash blocks in file. One hash block is 16MiB +#define HASH_BLOCK_SIZE (1 << 24) +#define IMGSIZE_TO_HASHBLOCKS(bytes) ((int)(((bytes) + HASH_BLOCK_SIZE - 1) / HASH_BLOCK_SIZE)) + #endif |