/* * Implementation of the symbol table type. * * Author : Stephen Smalley, <sds@epoch.ncsc.mil> */#include <linux/kernel.h>#include <linux/slab.h>#include <linux/string.h>#include <linux/errno.h>#include "symtab.h"static unsigned int symhash(struct hashtab *h, void *key){	char *p, *keyp;	unsigned int size;	unsigned int val;	val = 0;	keyp = key;	size = strlen(keyp);	for (p = keyp; (p - keyp) < size; p++)		val = (val << 4 | (val >> (8*sizeof(unsigned int)-4))) ^ (*p);	return val & (h->size - 1);}static int symcmp(struct hashtab *h, void *key1, void *key2){	char *keyp1, *keyp2;	keyp1 = key1;	keyp2 = key2;	return strcmp(keyp1, keyp2);}int symtab_init(struct symtab *s, unsigned int size){	s->table = hashtab_create(symhash, symcmp, size);	if (!s->table)		return -1;	s->nprim = 0;	return 0;}