diff options
Diffstat (limited to 'lib/libc/db/man/btree.3')
| -rw-r--r-- | lib/libc/db/man/btree.3 | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/lib/libc/db/man/btree.3 b/lib/libc/db/man/btree.3 index 923bc263cae2..afd3a672c884 100644 --- a/lib/libc/db/man/btree.3 +++ b/lib/libc/db/man/btree.3 @@ -29,9 +29,9 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" @(#)btree.3 8.1 (Berkeley) 6/4/93 +.\" @(#)btree.3 8.2 (Berkeley) 1/2/94 .\" -.TH BTREE 3 +.TH BTREE 3 "January 2, 1994" .\".UC 7 .SH NAME btree \- btree database access method @@ -64,17 +64,17 @@ u_long flags; .br u_int cachesize; .br -index_t psize; -.br -int lorder; -.\" .br -.\" int maxkeypage; +int maxkeypage; .br int minkeypage; .br +index_t psize; +.br int (*compare)(const DBT *key1, const DBT *key2); .br int (*prefix)(const DBT *key1, const DBT *key2); +.br +int lorder; .RE } BTREEINFO; .PP @@ -121,23 +121,9 @@ If .I cachesize is 0 (no size is specified) a default cache is used. .TP -psize -Page size is the size (in bytes) of the pages used for nodes in the tree. -The minimum page size is 512 bytes and the maximum page size is 64K. -If -.I psize -is 0 (no page size is specified) a page size is chosen based on the -underlying file system I/O block size. -.TP -lorder -The byte order for integers in the stored database metadata. -The number should represent the order as an integer; for example, -big endian order would be the number 4,321. -If -.I lorder -is 0 (no order is specified) the current host order is used. -.\" .TP -.\" maxkeypage +maxkeypage +The maximum number of keys which will be stored on any single page. +Not currently implemented. .\" The maximum number of keys which will be stored on any single page. .\" Because of the way the btree data structure works, .\" .I maxkeypage @@ -157,6 +143,14 @@ If .I minkeypage is 0 (no minimum number of keys is specified) a value of 2 is used. .TP +psize +Page size is the size (in bytes) of the pages used for nodes in the tree. +The minimum page size is 512 bytes and the maximum page size is 64K. +If +.I psize +is 0 (no page size is specified) a page size is chosen based on the +underlying file system I/O block size. +.TP compare Compare is the key comparison function. It must return an integer less than, equal to, or greater than zero if the @@ -187,6 +181,14 @@ If .I prefix is NULL and a comparison routine is specified, no prefix comparison is done. +.TP +lorder +The byte order for integers in the stored database metadata. +The number should represent the order as an integer; for example, +big endian order would be the number 4,321. +If +.I lorder +is 0 (no order is specified) the current host order is used. .PP If the file already exists (and the O_TRUNC flag is not specified), the values specified for the parameters flags, lorder and psize are ignored |