4 * Implements structures used for variant symlink support.
6 * $DragonFly: src/sys/sys/varsym.h,v 1.7 2008/02/23 00:59:23 swildner Exp $
10 #define _SYS_VARSYM_H_
12 /*#if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) FUTURE */
16 #include <sys/queue.h> /* TAILQ_* macros */
22 int vs_refs; /* a lot of sharing occurs */
24 char *vs_name; /* variable name */
25 char *vs_data; /* variable contents */
28 typedef struct varsym *varsym_t;
31 TAILQ_ENTRY(varsyment) ve_entry;
36 TAILQ_HEAD(, varsyment) vx_queue;
41 #endif /* _KERNEL || _KERNEL_STRUCTURES */
46 #define VARSYM_PRISON 4 /* used internally */
48 #define VARSYM_PROC_MASK (1 << VARSYM_PROC)
49 #define VARSYM_USER_MASK (1 << VARSYM_USER)
50 #define VARSYM_SYS_MASK (1 << VARSYM_SYS)
51 #define VARSYM_ALL_MASK (VARSYM_PROC_MASK|VARSYM_USER_MASK|VARSYM_SYS_MASK)
53 #define MAXVARSYM_NAME 64
54 #define MAXVARSYM_DATA 256
55 #define MAXVARSYM_SET 16384
59 varsym_t varsymfind(int mask, const char *name, int namelen);
60 int varsymmake(int level, const char *name, const char *data);
61 void varsymdrop(varsym_t var);
62 void varsymset_init(struct varsymset *varsymset, struct varsymset *copy);
63 void varsymset_clean(struct varsymset *varsymset);
64 int varsymreplace(char *cp, int linklen, int maxlen);