1 
2 /* Author : Stephen Smalley, <sds@epoch.ncsc.mil> */
3 
4 /* FLASK */
5 
6 /*
7  * A symbol table (symtab) maintains associations between symbol
8  * strings and datum values.  The type of the datum values
9  * is arbitrary.  The symbol table type is implemented
10  * using the hash table type (hashtab).
11  */
12 
13 #ifndef _SEPOL_POLICYDB_SYMTAB_H_
14 #define _SEPOL_POLICYDB_SYMTAB_H_
15 
16 #include <sepol/policydb/hashtab.h>
17 #include <sys/cdefs.h>
18 
19 __BEGIN_DECLS
20 
21 /* The symtab_datum struct stores the common information for
22  * all symtab datums. It should the first element in every
23  * struct that will be used in a symtab to allow the specific
24  * datum types to be freely cast to this type.
25  *
26  * The values start at 1 - 0 is never a valid value.
27  */
28 typedef struct symtab_datum {
29 	uint32_t value;
30 } symtab_datum_t;
31 
32 typedef struct {
33 	hashtab_t table;	/* hash table (keyed on a string) */
34 	uint32_t nprim;		/* number of primary names in table */
35 } symtab_t;
36 
37 extern int symtab_init(symtab_t *, unsigned int size);
38 extern void symtab_destroy(symtab_t *);
39 
40 __END_DECLS
41 #endif				/* _SYMTAB_H_ */
42 
43 /* FLASK */
44