diff options
Diffstat (limited to 'src/zopfli/hash.h')
| -rw-r--r-- | src/zopfli/hash.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/zopfli/hash.h b/src/zopfli/hash.h index 79c2479..e59c1d4 100644 --- a/src/zopfli/hash.h +++ b/src/zopfli/hash.h @@ -27,16 +27,16 @@ The hash for ZopfliFindLongestMatch of lz77.c. #include "util.h" typedef struct ZopfliHash { - int* head; /* Hash value to index of its most recent occurance. */ - unsigned short* prev; /* Index to index of prev. occurance of same hash. */ + int* head; /* Hash value to index of its most recent occurrence. */ + unsigned short* prev; /* Index to index of prev. occurrence of same hash. */ int* hashval; /* Index to hash value at this index. */ int val; /* Current hash value. */ #ifdef ZOPFLI_HASH_SAME_HASH /* Fields with similar purpose as the above hash, but for the second hash with a value that is calculated differently. */ - int* head2; /* Hash value to index of its most recent occurance. */ - unsigned short* prev2; /* Index to index of prev. occurance of same hash. */ + int* head2; /* Hash value to index of its most recent occurrence. */ + unsigned short* prev2; /* Index to index of prev. occurrence of same hash. */ int* hashval2; /* Index to hash value at this index. */ int val2; /* Current hash value. */ #endif @@ -46,10 +46,13 @@ typedef struct ZopfliHash { #endif } ZopfliHash; -/* Allocates and initializes all fields of ZopfliHash. */ -void ZopfliInitHash(size_t window_size, ZopfliHash* h); +/* Allocates ZopfliHash memory. */ +void ZopfliAllocHash(size_t window_size, ZopfliHash* h); -/* Frees all fields of ZopfliHash. */ +/* Resets all fields of ZopfliHash. */ +void ZopfliResetHash(size_t window_size, ZopfliHash* h); + +/* Frees ZopfliHash memory. */ void ZopfliCleanHash(ZopfliHash* h); /* |