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0e4c2ce841
(fdbm_has_key, fdbm_has_value): get rid of overflow. * ext/gdbm/gdbm.c (rb_gdbm_fetch2, rb_gdbm_nextkey) (rb_gdbm_delete, fgdbm_store, fgdbm_has_key): ditto. * ext/dbm/dbm.c (fdbm_delete_if): hide intermediate objects. * ext/gdbm/gdbm.c (fgdbm_delete_if): ditto. * ext/dbm/extconf.rb: check size of datum.dsize to get rid of overflow. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
70 lines
1.8 KiB
Ruby
70 lines
1.8 KiB
Ruby
require 'mkmf'
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dir_config("dbm")
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if dblib = with_config("dbm-type", nil)
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dblib = dblib.split(/[ ,]+/)
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else
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dblib = %w(db db2 db1 db5 db4 db3 dbm gdbm gdbm_compat qdbm)
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end
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headers = {
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"db" => ["db.h"],
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"db1" => ["db1/ndbm.h", "db1.h", "ndbm.h"],
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"db2" => ["db2/db.h", "db2.h", "db.h"],
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"db3" => ["db3/db.h", "db3.h", "db.h"],
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"db4" => ["db4/db.h", "db4.h", "db.h"],
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"db5" => ["db5/db.h", "db5.h", "db.h"],
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"dbm" => ["ndbm.h"],
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"gdbm" => ["gdbm-ndbm.h", "ndbm.h", "gdbm/ndbm.h"],
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"gdbm_compat" => ["gdbm-ndbm.h", "ndbm.h", "gdbm/ndbm.h"],
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"qdbm" => ["relic.h", "qdbm/relic.h"],
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}
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class << headers
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attr_accessor :found
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end
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headers.found = []
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def headers.db_check(db)
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db_prefix = nil
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have_gdbm = false
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hsearch = nil
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case db
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when /^db[2-5]?$/
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db_prefix = "__db_n"
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hsearch = "-DDB_DBM_HSEARCH "
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when "gdbm"
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have_gdbm = true
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when "gdbm_compat"
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have_gdbm = true
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have_library("gdbm") or return false
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end
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db_prefix ||= ""
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if (have_library(db, db_prefix+"dbm_open") || have_func(db_prefix+"dbm_open")) and
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hdr = self.fetch(db, ["ndbm.h"]).find {|h| have_type("DBM", h, hsearch)} or
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hdr = self.fetch(db, ["ndbm.h"]).find {|h| have_type("DBM", ["db.h", h], hsearch)}
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have_func(db_prefix+"dbm_clearerr") unless have_gdbm
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$defs << hsearch if hsearch
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$defs << '-DDBM_HDR="<'+hdr+'>"'
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@found << hdr
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true
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else
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false
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end
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end
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if dblib.any? {|db| headers.db_check(db)}
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have_header("cdefs.h")
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have_header("sys/cdefs.h")
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have_func("dbm_pagfno", headers.found)
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have_func("dbm_dirfno", headers.found)
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if try_static_assert("sizeof(conftest_key.dsize) <= sizeof(int)", [[cpp_include(headers.found), "static datum conftest_key;"]])
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$defs << "-DSIZEOF_DSIZE=SIZEOF_INT"
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else
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$defs << "-DSIZEOF_DSIZE=SIZEOF_LONG"
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end
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create_makefile("dbm")
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end
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