simplify the readdir loop (from Marc)

The first param to getmntinfo(3) should be a "struct statfs **" not "int".

fix up

move cuserid() to libcompat, POSIX no longer requires it

move cfree into libcompat

date and time created 93/01/12 10:22:21 by bostic

empty has to be local for namespace reasons

add hash SRCS

realloc_srchlen should be patchable (??), but don't whack the namespace

return via g2, not g7 (for ABI)

return an error if dn_expand() returns -1

use strtok, not strsep for compatibility

fix includes for portability

add optind, optarg for compatibility

don't have empty then clauses

add -DSTATISTICS

add global dbp pointer for gdb calls; add psize parameter

add lots o' keys test with small page size to whack btree split code

if large key/data pairs, can split and still not have enough room for
the new key. Pass the length of the new key into the split routines so the
calculation is correct. Remove prefix compression w

if large key/data pairs, can split and still not have enough room for
the new key. Pass the length of the new key into the split routines so the
calculation is correct. Remove prefix compression when BINTERNAL pages are
being split -- it's not possible (Bayer's paper agrees). Most of the actual
split code was reworked, including cursor adjustment.

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clear the stack in the search routine; it's a lot simpler

clear the stack in the search routine; it's a lot simpler

if the tree is being prefix compressed, it's possible to get a base
of zero.

clear the stack in the search routine; it's a lot simpler

make numbers fixed size so it's easier to read

just clear the stack in on entry to put instead of trying to
clear it when it's used