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Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support

Security advisory: This version has known vulnerabilities. View advisories
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hackney c_src lsquic src liblsquic lsquic_hash.h
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c_src/lsquic/src/liblsquic/lsquic_hash.h 

/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc.  See LICENSE. */

/*

 * lsquic_hash.c -- A generic hash

 */



#ifndef LSQUIC_HASH_H

#define LSQUIC_HASH_H



#ifdef __cplusplus

extern "C" {

#endif



struct lsquic_hash;



struct lsquic_hash_elem

{

    TAILQ_ENTRY(lsquic_hash_elem)

                    qhe_next_bucket,

                    qhe_next_all;

    const void     *qhe_key_data;

    void           *qhe_value;

    unsigned        qhe_key_len;

    unsigned        qhe_hash_val;

    enum {

        QHE_HASHED  = 1 << 0,

    }               qhe_flags;

};



struct lsquic_hash *

lsquic_hash_create (void);



struct lsquic_hash *

lsquic_hash_create_ext (int (*cmp)(const void *, const void *, size_t),

                    unsigned (*hash)(const void *, size_t, unsigned seed));



void

lsquic_hash_destroy (struct lsquic_hash *);



struct lsquic_hash_elem *

lsquic_hash_insert (struct lsquic_hash *, const void *key, unsigned key_sz,

                                    void *value, struct lsquic_hash_elem *);



struct lsquic_hash_elem *

lsquic_hash_find (struct lsquic_hash *, const void *key, unsigned key_sz);



#define lsquic_hashelem_getdata(el) ((el)->qhe_value)



void

lsquic_hash_erase (struct lsquic_hash *, struct lsquic_hash_elem *);



void

lsquic_hash_reset_iter (struct lsquic_hash *);



struct lsquic_hash_elem *

lsquic_hash_first (struct lsquic_hash *);



struct lsquic_hash_elem *

lsquic_hash_next (struct lsquic_hash *);



unsigned

lsquic_hash_count (struct lsquic_hash *);



size_t

lsquic_hash_mem_used (const struct lsquic_hash *);



#ifdef __cplusplus

}

#endif



#endif