137660Sbostic /* 237660Sbostic * Copyright (c) 1989 The Regents of the University of California. 337660Sbostic * All rights reserved. 437660Sbostic * 540027Sbostic * This code is derived from software contributed to Berkeley by 640027Sbostic * Tony Nardo of the Johns Hopkins University/Applied Physics Lab. 740027Sbostic * 8*42731Sbostic * %sccs.include.redist.c% 937660Sbostic * 10*42731Sbostic * @(#)finger.h 5.5 (Berkeley) 06/01/90 1137660Sbostic */ 1237660Sbostic 1337660Sbostic #include <pwd.h> 1437660Sbostic #include <utmp.h> 1537660Sbostic 1637664Sedward /* 1737664Sedward * All unique persons are linked in a list headed by "head" and linkd 1837664Sedward * by the "next" field, as well as kept in a hash table. 1937664Sedward */ 2037664Sedward 2137660Sbostic typedef struct person { 2237660Sbostic struct person *next; /* link to next person */ 2337664Sedward struct person *hlink; /* link to next person in hash bucket */ 2437660Sbostic uid_t uid; /* user id */ 2537660Sbostic char *dir; /* user's home directory */ 2637660Sbostic char *homephone; /* pointer to home phone no. */ 2737660Sbostic char *name; /* login name */ 2837660Sbostic char *office; /* pointer to office name */ 2937660Sbostic char *officephone; /* pointer to office phone no. */ 3037660Sbostic char *realname; /* pointer to full name */ 3137660Sbostic char *shell; /* user's shell */ 3237664Sedward struct where *whead, *wtail; /* list of where he is or has been */ 3337664Sedward } PERSON; 3437664Sedward 3537664Sedward enum status { LASTLOG, LOGGEDIN }; 3637664Sedward 3737664Sedward typedef struct where { 3837664Sedward struct where *next; /* next place he is or has been */ 3937664Sedward enum status info; /* type/status of request */ 4037664Sedward short writable; /* tty is writable */ 4137664Sedward time_t loginat; /* time of (last) login */ 4237664Sedward time_t idletime; /* how long idle (if logged in) */ 4337660Sbostic char tty[UT_LINESIZE+1]; /* null terminated tty line */ 4437660Sbostic char host[UT_HOSTSIZE+1]; /* null terminated remote host name */ 4537664Sedward } WHERE; 4637660Sbostic 4737664Sedward #define HBITS 8 /* number of bits in hash code */ 4837664Sedward #define HSIZE (1 << 8) /* hash table size */ 4937664Sedward #define HMASK (HSIZE - 1) /* hash code mask */ 5037664Sedward 5137664Sedward PERSON *htab[HSIZE]; /* the buckets */ 5237664Sedward PERSON *phead, *ptail; /* the linked list of all people */ 5337664Sedward 5437664Sedward int entries; /* number of people */ 5537664Sedward 5637664Sedward PERSON *enter_person(), *find_person(), *palloc(); 5737664Sedward WHERE *walloc(); 5837664Sedward 5937660Sbostic extern char tbuf[1024]; /* temp buffer for anybody */ 60