Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Linus Torvalds |
160 |
62.26% |
1 |
14.29% |
| Ondrej Mosnáček |
90 |
35.02% |
3 |
42.86% |
| Chad Sellers |
5 |
1.95% |
1 |
14.29% |
| Stephen D. Smalley |
1 |
0.39% |
1 |
14.29% |
| Greg Kroah-Hartman |
1 |
0.39% |
1 |
14.29% |
| Total |
257 |
|
7 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* Implementation of the symbol table type.
*
* Author : Stephen Smalley, <sds@tycho.nsa.gov>
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include "symtab.h"
static unsigned int symhash(const void *key)
{
const 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;
}
static int symcmp(const void *key1, const void *key2)
{
const char *keyp1, *keyp2;
keyp1 = key1;
keyp2 = key2;
return strcmp(keyp1, keyp2);
}
static const struct hashtab_key_params symtab_key_params = {
.hash = symhash,
.cmp = symcmp,
};
int symtab_init(struct symtab *s, unsigned int size)
{
s->nprim = 0;
return hashtab_init(&s->table, size);
}
int symtab_insert(struct symtab *s, char *name, void *datum)
{
return hashtab_insert(&s->table, name, datum, symtab_key_params);
}
void *symtab_search(struct symtab *s, const char *name)
{
return hashtab_search(&s->table, name, symtab_key_params);
}