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#ifndef MUPDF_FITZ_HASH_H
#define MUPDF_FITZ_HASH_H
#include "mupdf/fitz/system.h"
#include "mupdf/fitz/context.h"
#include "mupdf/fitz/output.h"
/*
* Generic hash-table with fixed-length keys.
*
* The keys and values are NOT reference counted by the hash table.
* Callers are responsible for taking care the reference counts are correct.
* Inserting a duplicate entry will NOT overwrite the old value, and will
* return the old value.
*
* The drop_val callback function is only used to release values when the hash table
* is destroyed.
*/
typedef struct fz_hash_table_s fz_hash_table;
typedef void (fz_hash_table_drop_fn)(fz_context *ctx, void *val);
typedef void (fz_hash_table_for_each_fn)(fz_context *ctx, void *state, void *key, int keylen, void *val);
fz_hash_table *fz_new_hash_table(fz_context *ctx, int initialsize, int keylen, int lock, fz_hash_table_drop_fn *drop_val);
void fz_drop_hash_table(fz_context *ctx, fz_hash_table *table);
void *fz_hash_find(fz_context *ctx, fz_hash_table *table, const void *key);
void *fz_hash_insert(fz_context *ctx, fz_hash_table *table, const void *key, void *val);
void fz_hash_remove(fz_context *ctx, fz_hash_table *table, const void *key);
void fz_hash_for_each(fz_context *ctx, fz_hash_table *table, void *state, fz_hash_table_for_each_fn *callback);
#endif
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