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      1 
      2 /* Author : Stephen Smalley, <sds (at) tycho.nsa.gov> */
      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 
     18 #ifdef __cplusplus
     19 extern "C" {
     20 #endif
     21 
     22 /* The symtab_datum struct stores the common information for
     23  * all symtab datums. It should the first element in every
     24  * struct that will be used in a symtab to allow the specific
     25  * datum types to be freely cast to this type.
     26  *
     27  * The values start at 1 - 0 is never a valid value.
     28  */
     29 typedef struct symtab_datum {
     30 	uint32_t value;
     31 } symtab_datum_t;
     32 
     33 typedef struct {
     34 	hashtab_t table;	/* hash table (keyed on a string) */
     35 	uint32_t nprim;		/* number of primary names in table */
     36 } symtab_t;
     37 
     38 extern int symtab_init(symtab_t *, unsigned int size);
     39 extern void symtab_destroy(symtab_t *);
     40 
     41 #ifdef __cplusplus
     42 }
     43 #endif
     44 
     45 #endif				/* _SYMTAB_H_ */
     46 
     47 /* FLASK */
     48