/* Author : Stephen Smalley, <stephen.smalley.work@gmail.com> */

/* FLASK */

/*

 * Implementation of the symbol table type.

 */

#include <string.h>

#include "private.h"

#include <sepol/policydb/hashtab.h>

#include <sepol/policydb/symtab.h>

ignore_unsigned_overflow_

static unsigned int symhash(hashtab_t h, const_hashtab_key_t key)

{

  unsigned int hash = 5381;

  unsigned char c;

  while ((c = *(unsigned const char *)key++))

    hash = ((hash << 5) + hash) ^ c;

  return hash & (h->size - 1);

}

static int symcmp(hashtab_t h

      __attribute__ ((unused)), const_hashtab_key_t key1,

      const_hashtab_key_t key2)

{

  return strcmp(key1, key2);

}

int symtab_init(symtab_t * s, unsigned int size)

{

  s->table = hashtab_create(symhash, symcmp, size);

  if (!s->table)

    return -1;

  s->nprim = 0;

  return 0;

}

void symtab_destroy(symtab_t * s)

{

  if (!s)

    return;

  if (s->table)

    hashtab_destroy(s->table);

  return;

}

/* FLASK */