This source file includes following definitions.
- symhash
- symcmp
- symtab_init
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7 #include <linux/kernel.h>
8 #include <linux/string.h>
9 #include <linux/errno.h>
10 #include "symtab.h"
11
12 static unsigned int symhash(struct hashtab *h, const void *key)
13 {
14 const char *p, *keyp;
15 unsigned int size;
16 unsigned int val;
17
18 val = 0;
19 keyp = key;
20 size = strlen(keyp);
21 for (p = keyp; (p - keyp) < size; p++)
22 val = (val << 4 | (val >> (8*sizeof(unsigned int)-4))) ^ (*p);
23 return val & (h->size - 1);
24 }
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26 static int symcmp(struct hashtab *h, const void *key1, const void *key2)
27 {
28 const char *keyp1, *keyp2;
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30 keyp1 = key1;
31 keyp2 = key2;
32 return strcmp(keyp1, keyp2);
33 }
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36 int symtab_init(struct symtab *s, unsigned int size)
37 {
38 s->table = hashtab_create(symhash, symcmp, size);
39 if (!s->table)
40 return -ENOMEM;
41 s->nprim = 0;
42 return 0;
43 }
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