diff options
Diffstat (limited to 'db2/dbm')
| -rw-r--r-- | db2/dbm/dbm.c | 67 |
1 files changed, 34 insertions, 33 deletions
diff --git a/db2/dbm/dbm.c b/db2/dbm/dbm.c index 81f4bba69c..261fe81ff2 100644 --- a/db2/dbm/dbm.c +++ b/db2/dbm/dbm.c @@ -1,7 +1,7 @@ /*- * See the file LICENSE for redistribution information. * - * Copyright (c) 1996, 1997 + * Copyright (c) 1996, 1997, 1998 * Sleepycat Software. All rights reserved. */ /* @@ -47,15 +47,14 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)dbm.c 10.10 (Sleepycat) 1/16/98"; +static const char sccsid[] = "@(#)dbm.c 10.16 (Sleepycat) 5/7/98"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES -#include <sys/param.h> +#include <sys/types.h> #include <errno.h> #include <fcntl.h> -#include <stdio.h> #include <string.h> #endif @@ -82,7 +81,7 @@ __db_dbm_init(file) if (__cur_db != NULL) (void)dbm_close(__cur_db); if ((__cur_db = - dbm_open(file, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR)) != NULL) + dbm_open(file, O_CREAT | O_RDWR, __db_omode("rw----"))) != NULL) return (0); if ((__cur_db = dbm_open(file, O_RDONLY, 0)) != NULL) return (0); @@ -244,19 +243,19 @@ __db_ndbm_fetch(db, key) { DBT _key, _data; datum data; - int status; + int ret; memset(&_key, 0, sizeof(DBT)); memset(&_data, 0, sizeof(DBT)); _key.size = key.dsize; _key.data = key.dptr; - status = db->get((DB *)db, NULL, &_key, &_data, 0); - if (status) { - data.dptr = NULL; - data.dsize = 0; - } else { + if ((ret = db->get((DB *)db, NULL, &_key, &_data, 0)) == 0) { data.dptr = _data.data; data.dsize = _data.size; + } else { + data.dptr = NULL; + data.dsize = 0; + __set_errno (ret == DB_NOTFOUND ? ENOENT : ret); } return (data); } @@ -273,7 +272,7 @@ __db_ndbm_firstkey(db) { DBT _key, _data; datum key; - int status; + int ret; DBC *cp; @@ -285,13 +284,13 @@ __db_ndbm_firstkey(db) memset(&_key, 0, sizeof(DBT)); memset(&_data, 0, sizeof(DBT)); - status = (cp->c_get)(cp, &_key, &_data, DB_FIRST); - if (status) { - key.dptr = NULL; - key.dsize = 0; - } else { + if ((ret = (cp->c_get)(cp, &_key, &_data, DB_FIRST)) == 0) { key.dptr = _key.data; key.dsize = _key.size; + } else { + key.dptr = NULL; + key.dsize = 0; + __set_errno (ret == DB_NOTFOUND ? ENOENT : ret); } return (key); } @@ -309,7 +308,7 @@ __db_ndbm_nextkey(db) DBC *cp; DBT _key, _data; datum key; - int status; + int ret; if ((cp = TAILQ_FIRST(&db->curs_queue)) == NULL) if ((errno = db->cursor(db, NULL, &cp)) != 0) { @@ -319,13 +318,13 @@ __db_ndbm_nextkey(db) memset(&_key, 0, sizeof(DBT)); memset(&_data, 0, sizeof(DBT)); - status = (cp->c_get)(cp, &_key, &_data, DB_NEXT); - if (status) { - key.dptr = NULL; - key.dsize = 0; - } else { + if ((ret = (cp->c_get)(cp, &_key, &_data, DB_NEXT)) == 0) { key.dptr = _key.data; key.dsize = _key.size; + } else { + key.dptr = NULL; + key.dsize = 0; + __set_errno (ret == DB_NOTFOUND ? ENOENT : ret); } return (key); } @@ -347,14 +346,10 @@ __db_ndbm_delete(db, key) memset(&_key, 0, sizeof(DBT)); _key.data = key.dptr; _key.size = key.dsize; - ret = (((DB *)db)->del)((DB *)db, NULL, &_key, 0); - if (ret < 0) - errno = ENOENT; - else if (ret > 0) { - errno = ret; - ret = -1; - } - return (ret); + if ((ret = (((DB *)db)->del)((DB *)db, NULL, &_key, 0)) == 0) + return (0); + errno = ret == DB_NOTFOUND ? ENOENT : ret; + return (-1); } weak_alias (__db_ndbm_delete, dbm_delete) @@ -371,6 +366,7 @@ __db_ndbm_store(db, key, data, flags) int flags; { DBT _key, _data; + int ret; memset(&_key, 0, sizeof(DBT)); memset(&_data, 0, sizeof(DBT)); @@ -378,8 +374,13 @@ __db_ndbm_store(db, key, data, flags) _key.size = key.dsize; _data.data = data.dptr; _data.size = data.dsize; - return (db->put((DB *)db, - NULL, &_key, &_data, (flags == DBM_INSERT) ? DB_NOOVERWRITE : 0)); + if ((ret = db->put((DB *)db, NULL, + &_key, &_data, flags == DBM_INSERT ? DB_NOOVERWRITE : 0)) == 0) + return (0); + if (ret == DB_KEYEXIST) + return (1); + errno = ret; + return (-1); } weak_alias (__db_ndbm_store, dbm_store) |