1 /* a hash file */ 2 struct Ndbhf 3 { 4 Ndbhf *next; 5 6 int fd; 7 ulong dbmtime; /* mtime of data base */ 8 int hlen; /* length (in entries) of hash table */ 9 char attr[Ndbalen]; /* attribute hashed */ 10 11 uchar buf[256]; /* hash file buffer */ 12 long off; /* offset of first byte of buffer */ 13 int len; /* length of valid data in buffer */ 14 }; 15 16 char* _ndbparsetuple(char*, Ndbtuple**); 17 Ndbtuple* _ndbparseline(char*); 18 19 #define ISWHITE(x) ((x) == ' ' || (x) == '\t' || (x) == '\r') 20 #define EATWHITE(x) while(ISWHITE(*(x)))(x)++ 21 22 extern Ndbtuple *_ndbtfree; 23 24 /* caches */ 25 void _ndbcacheflush(Ndb *db); 26 int _ndbcachesearch(Ndb *db, Ndbs *s, char *attr, char *val, Ndbtuple **t); 27 Ndbtuple* _ndbcacheadd(Ndb *db, Ndbs *s, char *attr, char *val, Ndbtuple *t); 28