diff options
Diffstat (limited to 'eBones/kdb/krb_dbm.c')
| -rw-r--r-- | eBones/kdb/krb_dbm.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/eBones/kdb/krb_dbm.c b/eBones/kdb/krb_dbm.c index 25ec48f..8bc283b 100644 --- a/eBones/kdb/krb_dbm.c +++ b/eBones/kdb/krb_dbm.c @@ -1,15 +1,15 @@ /* - * Copyright 1988 by the Massachusetts Institute of Technology. + * Copyright 1988 by the Massachusetts Institute of Technology. * For copying and distribution information, please see the file - * <Copyright.MIT>. + * <Copyright.MIT>. * * from: krb_dbm.c,v 4.9 89/04/18 16:15:13 wesommer Exp $ - * $Id: krb_dbm.c,v 1.1.1.1 1994/09/30 14:49:55 csgr Exp $ + * $Id: krb_dbm.c,v 1.2 1995/01/25 19:45:25 ache Exp $ */ #ifndef lint static char rcsid[] = -"$Id: krb_dbm.c,v 1.1.1.1 1994/09/30 14:49:55 csgr Exp $"; +"$Id: krb_dbm.c,v 1.2 1995/01/25 19:45:25 ache Exp $"; #endif lint #if defined(__FreeBSD__) @@ -69,14 +69,14 @@ static int non_blocking = 0; /* * Locking: - * + * * There are two distinct locking protocols used. One is designed to * lock against processes (the admin_server, for one) which make * incremental changes to the database; the other is designed to lock * against utilities (kdb_util, kpropd) which replace the entire * database in one fell swoop. * - * The first locking protocol is implemented using flock() in the + * The first locking protocol is implemented using flock() in the * krb_dbl_lock() and krb_dbl_unlock routines. * * The second locking protocol is necessary because DBM "files" are @@ -93,12 +93,12 @@ static int non_blocking = 0; * either time, the reader sleeps for a second to let things * stabilize, and then tries again; if it does not succeed after * KERB_DB_MAX_RETRY attempts, it gives up. - * + * * On update, the semaphore file is deleted (if it exists) before any * update takes place; at the end of the update, it is replaced, with * a version number strictly greater than the version number which * existed at the start of the update. - * + * * If the system crashes in the middle of an update, the semaphore * file is not automatically created on reboot; this is a feature, not * a bug, since the database may be inconsistant. Note that the @@ -140,7 +140,7 @@ static char *gen_dbsuffix(db_name, sfx) char *sfx; { char *dbsuffix; - + if (sfx == NULL) sfx = ".ok"; @@ -162,7 +162,7 @@ kerb_db_init() /* * gracefully shut down database--must be called by ANY program that does - * a kerb_db_init + * a kerb_db_init */ kerb_db_fini() @@ -201,7 +201,7 @@ long kerb_get_db_age() struct stat st; char *okname; long age; - + okname = gen_dbsuffix(current_db_name, ".ok"); if (stat (okname, &st) < 0) @@ -226,7 +226,7 @@ static long kerb_start_update(db_name) { char *okname = gen_dbsuffix(db_name, ".ok"); long age = kerb_get_db_age(); - + if (unlink(okname) < 0 && errno != ENOENT) { age = -1; @@ -243,7 +243,7 @@ static long kerb_end_update(db_name, age) int retval = 0; char *new_okname = gen_dbsuffix(db_name, ".ok#"); char *okname = gen_dbsuffix(db_name, ".ok"); - + fd = open (new_okname, O_CREAT|O_RDWR|O_TRUNC, 0600); if (fd < 0) retval = errno; @@ -355,7 +355,7 @@ kerb_db_rename(from, to) char *fromok = gen_dbsuffix(from, ".ok"); long trans = kerb_start_update(to); int ok; - + #ifndef __FreeBSD__ if ((rename (fromdir, todir) == 0) && (rename (frompag, topag) == 0)) { @@ -384,7 +384,7 @@ kerb_db_rename(from, to) /* * look up a principal in the data base returns number of principals - * found , and whether there were more than requested. + * found , and whether there were more than requested. */ kerb_db_get_principal(name, inst, principal, max, more) @@ -627,7 +627,7 @@ delta_stat(a, b, c) /* * look up a dba in the data base returns number of dbas found , and - * whether there were more than requested. + * whether there were more than requested. */ kerb_db_get_dba(dba_name, dba_inst, dba, max, more) @@ -650,7 +650,7 @@ kerb_db_iterate (func, arg) Principal *principal; int code; DBM *db; - + kerb_db_init(); /* initialize and open the database */ if ((code = kerb_dbl_lock(KERB_DBL_SHARED)) != 0) return code; @@ -701,7 +701,7 @@ static int kerb_dbl_lock(mode) int mode; { int flock_mode; - + if (!inited) kerb_dbl_init(); if (mylock) { /* Detect lock call when lock already @@ -723,8 +723,8 @@ static int kerb_dbl_lock(mode) } if (non_blocking) flock_mode |= LOCK_NB; - - if (flock(dblfd, flock_mode) < 0) + + if (flock(dblfd, flock_mode) < 0) return errno; mylock++; return 0; |
