diff options
author | John Denker <jsd@av8n.com> | 2012-06-01 23:07:51 -0700 |
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committer | John Denker <jsd@av8n.com> | 2012-06-02 17:30:23 -0700 |
commit | 0d0f7a0e7c32842edff533246a1f8523306f9ab0 (patch) | |
tree | 43dbb2fffaa8d490731969f39f5d20832523bd5d /ucspi-tcp-0.88/cdb.h | |
parent | 94c58d7f8cabd9b1ff4c33c57a6ff76cdf3f955e (diff) |
as downloaded : ucspi-tcp
Diffstat (limited to 'ucspi-tcp-0.88/cdb.h')
-rw-r--r-- | ucspi-tcp-0.88/cdb.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/ucspi-tcp-0.88/cdb.h b/ucspi-tcp-0.88/cdb.h new file mode 100644 index 0000000..ff99810 --- /dev/null +++ b/ucspi-tcp-0.88/cdb.h @@ -0,0 +1,37 @@ +/* Public domain. */ + +#ifndef CDB_H +#define CDB_H + +#include "uint32.h" + +#define CDB_HASHSTART 5381 +extern uint32 cdb_hashadd(uint32,unsigned char); +extern uint32 cdb_hash(char *,unsigned int); + +struct cdb { + char *map; /* 0 if no map is available */ + int fd; + uint32 size; /* initialized if map is nonzero */ + uint32 loop; /* number of hash slots searched under this key */ + uint32 khash; /* initialized if loop is nonzero */ + uint32 kpos; /* initialized if loop is nonzero */ + uint32 hpos; /* initialized if loop is nonzero */ + uint32 hslots; /* initialized if loop is nonzero */ + uint32 dpos; /* initialized if cdb_findnext() returns 1 */ + uint32 dlen; /* initialized if cdb_findnext() returns 1 */ +} ; + +extern void cdb_free(struct cdb *); +extern void cdb_init(struct cdb *,int fd); + +extern int cdb_read(struct cdb *,char *,unsigned int,uint32); + +extern void cdb_findstart(struct cdb *); +extern int cdb_findnext(struct cdb *,char *,unsigned int); +extern int cdb_find(struct cdb *,char *,unsigned int); + +#define cdb_datapos(c) ((c)->dpos) +#define cdb_datalen(c) ((c)->dlen) + +#endif |