diff options
Diffstat (limited to 'ext/dbm')
| -rw-r--r-- | ext/dbm/dbm.c | 1156 | ||||
| -rw-r--r-- | ext/dbm/dbm.gemspec | 21 | ||||
| -rw-r--r-- | ext/dbm/depend | 162 | ||||
| -rw-r--r-- | ext/dbm/extconf.rb | 292 |
4 files changed, 0 insertions, 1631 deletions
diff --git a/ext/dbm/dbm.c b/ext/dbm/dbm.c deleted file mode 100644 index de7536651c..0000000000 --- a/ext/dbm/dbm.c +++ /dev/null @@ -1,1156 +0,0 @@ -/************************************************ - - dbm.c - - - $Author$ - created at: Mon Jan 24 15:59:52 JST 1994 - - Copyright (C) 1995-2001 Yukihiro Matsumoto - -************************************************/ - -#include "ruby.h" - -#ifdef HAVE_CDEFS_H -# include <cdefs.h> -#endif -#ifdef HAVE_SYS_CDEFS_H -# include <sys/cdefs.h> -#endif -#include DBM_HDR -#include <fcntl.h> -#include <errno.h> - -#define DSIZE_TYPE TYPEOF_DATUM_DSIZE -#if SIZEOF_DATUM_DSIZE > SIZEOF_INT -# define RSTRING_DSIZE(s) RSTRING_LEN(s) -# define TOO_LONG(n) ((void)(n),0) -#else -# define RSTRING_DSIZE(s) RSTRING_LENINT(s) -# define TOO_LONG(n) ((long)(+(DSIZE_TYPE)(n)) != (n)) -#endif - -static VALUE rb_cDBM, rb_eDBMError; - -#define RUBY_DBM_RW_BIT 0x20000000 - -struct dbmdata { - long di_size; - DBM *di_dbm; -}; - -NORETURN(static void closed_dbm(void)); - -static void -closed_dbm(void) -{ - rb_raise(rb_eDBMError, "closed DBM file"); -} - -#define GetDBM(obj, dbmp) do {\ - TypedData_Get_Struct((obj), struct dbmdata, &dbm_type, (dbmp));\ - if ((dbmp)->di_dbm == 0) closed_dbm();\ -} while (0) - -#define GetDBM2(obj, dbmp, dbm) do {\ - GetDBM((obj), (dbmp));\ - (dbm) = (dbmp)->di_dbm;\ -} while (0) - -static void -free_dbm(void *ptr) -{ - struct dbmdata *dbmp = ptr; - if (dbmp->di_dbm) - dbm_close(dbmp->di_dbm); - xfree(dbmp); -} - -static size_t -memsize_dbm(const void *ptr) -{ - const struct dbmdata *dbmp = ptr; - size_t size = sizeof(*dbmp); - if (dbmp->di_dbm) - size += DBM_SIZEOF_DBM; - return size; -} - -static const rb_data_type_t dbm_type = { - "dbm", - {0, free_dbm, memsize_dbm,}, - 0, 0, - RUBY_TYPED_FREE_IMMEDIATELY, -}; - -/* - * call-seq: - * dbm.close - * - * Closes the database. - */ -static VALUE -fdbm_close(VALUE obj) -{ - struct dbmdata *dbmp; - - GetDBM(obj, dbmp); - dbm_close(dbmp->di_dbm); - dbmp->di_dbm = 0; - - return Qnil; -} - -/* - * call-seq: - * dbm.closed? -> true or false - * - * Returns true if the database is closed, false otherwise. - */ -static VALUE -fdbm_closed(VALUE obj) -{ - struct dbmdata *dbmp; - - TypedData_Get_Struct(obj, struct dbmdata, &dbm_type, dbmp); - if (dbmp->di_dbm == 0) - return Qtrue; - - return Qfalse; -} - -static VALUE -fdbm_alloc(VALUE klass) -{ - struct dbmdata *dbmp; - - return TypedData_Make_Struct(klass, struct dbmdata, &dbm_type, dbmp); -} - -/* - * call-seq: - * DBM.new(filename[, mode[, flags]]) -> dbm - * - * Open a dbm database with the specified name, which can include a directory - * path. Any file extensions needed will be supplied automatically by the dbm - * library. For example, Berkeley DB appends '.db', and GNU gdbm uses two - * physical files with extensions '.dir' and '.pag'. - * - * The mode should be an integer, as for Unix chmod. - * - * Flags should be one of READER, WRITER, WRCREAT or NEWDB. - */ -static VALUE -fdbm_initialize(int argc, VALUE *argv, VALUE obj) -{ - VALUE file, vmode, vflags; - DBM *dbm; - struct dbmdata *dbmp; - int mode, flags = 0; - - TypedData_Get_Struct(obj, struct dbmdata, &dbm_type, dbmp); - if (rb_scan_args(argc, argv, "12", &file, &vmode, &vflags) == 1) { - mode = 0666; /* default value */ - } - else if (NIL_P(vmode)) { - mode = -1; /* return nil if DB not exist */ - } - else { - mode = NUM2INT(vmode); - } - - if (!NIL_P(vflags)) - flags = NUM2INT(vflags); - - FilePathValue(file); - - /* - * Note: - * gdbm 1.10 works with O_CLOEXEC. gdbm 1.9.1 silently ignore it. - */ -#ifndef O_CLOEXEC -# define O_CLOEXEC 0 -#endif - - if (flags & RUBY_DBM_RW_BIT) { - flags &= ~RUBY_DBM_RW_BIT; - dbm = dbm_open(RSTRING_PTR(file), flags|O_CLOEXEC, mode); - } - else { - dbm = 0; - if (mode >= 0) { - dbm = dbm_open(RSTRING_PTR(file), O_RDWR|O_CREAT|O_CLOEXEC, mode); - } - if (!dbm) { - dbm = dbm_open(RSTRING_PTR(file), O_RDWR|O_CLOEXEC, 0); - } - if (!dbm) { - dbm = dbm_open(RSTRING_PTR(file), O_RDONLY|O_CLOEXEC, 0); - } - } - - if (dbm) { - /* - * History of dbm_pagfno() and dbm_dirfno() in ndbm and its compatibles. - * (dbm_pagfno() and dbm_dirfno() is not standardized.) - * - * 1986: 4.3BSD provides ndbm. - * It provides dbm_pagfno() and dbm_dirfno() as macros. - * 1991: gdbm-1.5 provides them as functions. - * They returns a same descriptor. - * (Earlier releases may have the functions too.) - * 1991: Net/2 provides Berkeley DB. - * It doesn't provide dbm_pagfno() and dbm_dirfno(). - * 1992: 4.4BSD Alpha provides Berkeley DB with dbm_dirfno() as a function. - * dbm_pagfno() is a macro as DBM_PAGFNO_NOT_AVAILABLE. - * 1997: Berkeley DB 2.0 is released by Sleepycat Software, Inc. - * It defines dbm_pagfno() and dbm_dirfno() as macros. - * 2011: gdbm-1.9 creates a separate dir file. - * dbm_pagfno() and dbm_dirfno() returns different descriptors. - */ -#if defined(HAVE_DBM_PAGFNO) - rb_fd_fix_cloexec(dbm_pagfno(dbm)); -#endif -#if defined(HAVE_DBM_DIRFNO) - rb_fd_fix_cloexec(dbm_dirfno(dbm)); -#endif - -#if defined(RUBYDBM_DB_HEADER) && defined(HAVE_TYPE_DBC) - /* Disable Berkeley DB error messages such as: - * DB->put: attempt to modify a read-only database */ - ((DBC*)dbm)->dbp->set_errfile(((DBC*)dbm)->dbp, NULL); -#endif - } - - if (!dbm) { - if (mode == -1) return Qnil; - rb_sys_fail_str(file); - } - - if (dbmp->di_dbm) - dbm_close(dbmp->di_dbm); - dbmp->di_dbm = dbm; - dbmp->di_size = -1; - - return obj; -} - -/* - * call-seq: - * DBM.open(filename[, mode[, flags]]) -> dbm - * DBM.open(filename[, mode[, flags]]) {|dbm| block} - * - * Open a dbm database and yields it if a block is given. See also - * <code>DBM.new</code>. - */ -static VALUE -fdbm_s_open(int argc, VALUE *argv, VALUE klass) -{ - VALUE obj = fdbm_alloc(klass); - - if (NIL_P(fdbm_initialize(argc, argv, obj))) { - return Qnil; - } - - if (rb_block_given_p()) { - return rb_ensure(rb_yield, obj, fdbm_close, obj); - } - - return obj; -} - -static VALUE -fdbm_fetch(VALUE obj, VALUE keystr, VALUE ifnone) -{ - datum key, value; - struct dbmdata *dbmp; - DBM *dbm; - long len; - - ExportStringValue(keystr); - len = RSTRING_LEN(keystr); - if (TOO_LONG(len)) goto not_found; - key.dptr = RSTRING_PTR(keystr); - key.dsize = (DSIZE_TYPE)len; - - GetDBM2(obj, dbmp, dbm); - value = dbm_fetch(dbm, key); - if (value.dptr == 0) { - not_found: - if (NIL_P(ifnone) && rb_block_given_p()) { - keystr = rb_str_dup(keystr); - return rb_yield(keystr); - } - return ifnone; - } - return rb_str_new(value.dptr, value.dsize); -} - -/* - * call-seq: - * dbm[key] -> string value or nil - * - * Return a value from the database by locating the key string - * provided. If the key is not found, returns nil. - */ -static VALUE -fdbm_aref(VALUE obj, VALUE keystr) -{ - return fdbm_fetch(obj, keystr, Qnil); -} - -/* - * call-seq: - * dbm.fetch(key[, ifnone]) -> value - * - * Return a value from the database by locating the key string - * provided. If the key is not found, returns +ifnone+. If +ifnone+ - * is not given, raises IndexError. - */ -static VALUE -fdbm_fetch_m(int argc, VALUE *argv, VALUE obj) -{ - VALUE keystr, valstr, ifnone; - - rb_scan_args(argc, argv, "11", &keystr, &ifnone); - valstr = fdbm_fetch(obj, keystr, ifnone); - if (argc == 1 && !rb_block_given_p() && NIL_P(valstr)) - rb_raise(rb_eIndexError, "key not found"); - - return valstr; -} - -/* - * call-seq: - * dbm.key(value) -> string - * - * Returns the key for the specified value. - */ -static VALUE -fdbm_key(VALUE obj, VALUE valstr) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - long len; - - ExportStringValue(valstr); - len = RSTRING_LEN(valstr); - if (TOO_LONG(len)) return Qnil; - - GetDBM2(obj, dbmp, dbm); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - if ((long)val.dsize == RSTRING_LEN(valstr) && - memcmp(val.dptr, RSTRING_PTR(valstr), val.dsize) == 0) { - return rb_str_new(key.dptr, key.dsize); - } - } - return Qnil; -} - -/* :nodoc: */ -static VALUE -fdbm_index(VALUE hash, VALUE value) -{ - rb_warn("DBM#index is deprecated; use DBM#key"); - return fdbm_key(hash, value); -} - -/* - * call-seq: - * dbm.select {|key, value| block} -> array - * - * Returns a new array consisting of the [key, value] pairs for which the code - * block returns true. - */ -static VALUE -fdbm_select(VALUE obj) -{ - VALUE new = rb_ary_new(); - datum key, val; - DBM *dbm; - struct dbmdata *dbmp; - - GetDBM2(obj, dbmp, dbm); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - VALUE assoc, v; - val = dbm_fetch(dbm, key); - assoc = rb_assoc_new(rb_str_new(key.dptr, key.dsize), - rb_str_new(val.dptr, val.dsize)); - v = rb_yield(assoc); - if (RTEST(v)) { - rb_ary_push(new, assoc); - } - GetDBM2(obj, dbmp, dbm); - } - - return new; -} - -/* - * call-seq: - * dbm.values_at(key, ...) -> Array - * - * Returns an array containing the values associated with the given keys. - */ -static VALUE -fdbm_values_at(int argc, VALUE *argv, VALUE obj) -{ - VALUE new = rb_ary_new2(argc); - int i; - - for (i=0; i<argc; i++) { - rb_ary_push(new, fdbm_fetch(obj, argv[i], Qnil)); - } - - return new; -} - -static void -fdbm_modify(VALUE obj) -{ - if (OBJ_FROZEN(obj)) rb_error_frozen("DBM"); -} - -/* - * call-seq: - * dbm.delete(key) - * - * Deletes an entry from the database. - */ -static VALUE -fdbm_delete(VALUE obj, VALUE keystr) -{ - datum key, value; - struct dbmdata *dbmp; - DBM *dbm; - VALUE valstr; - long len; - - fdbm_modify(obj); - ExportStringValue(keystr); - len = RSTRING_LEN(keystr); - if (TOO_LONG(len)) goto not_found; - key.dptr = RSTRING_PTR(keystr); - key.dsize = (DSIZE_TYPE)len; - - GetDBM2(obj, dbmp, dbm); - - value = dbm_fetch(dbm, key); - if (value.dptr == 0) { - not_found: - if (rb_block_given_p()) return rb_yield(keystr); - return Qnil; - } - - /* need to save value before dbm_delete() */ - valstr = rb_str_new(value.dptr, value.dsize); - - if (dbm_delete(dbm, key)) { - dbmp->di_size = -1; - rb_raise(rb_eDBMError, "dbm_delete failed"); - } - else if (dbmp->di_size >= 0) { - dbmp->di_size--; - } - return valstr; -} - -/* - * call-seq: - * dbm.shift() -> [key, value] - * - * Removes a [key, value] pair from the database, and returns it. - * If the database is empty, returns nil. - * The order in which values are removed/returned is not guaranteed. - */ -static VALUE -fdbm_shift(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE keystr, valstr; - - fdbm_modify(obj); - GetDBM2(obj, dbmp, dbm); - dbmp->di_size = -1; - - key = dbm_firstkey(dbm); - if (!key.dptr) return Qnil; - val = dbm_fetch(dbm, key); - keystr = rb_str_new(key.dptr, key.dsize); - valstr = rb_str_new(val.dptr, val.dsize); - dbm_delete(dbm, key); - - return rb_assoc_new(keystr, valstr); -} - -/* - * call-seq: - * dbm.reject! {|key, value| block} -> self - * dbm.delete_if {|key, value| block} -> self - * - * Deletes all entries for which the code block returns true. - * Returns self. - */ -static VALUE -fdbm_delete_if(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE keystr, valstr; - VALUE ret, ary = rb_ary_tmp_new(0); - int status = 0; - long i, n; - - fdbm_modify(obj); - GetDBM2(obj, dbmp, dbm); - n = dbmp->di_size; - dbmp->di_size = -1; - - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - keystr = rb_str_new(key.dptr, key.dsize); - OBJ_FREEZE(keystr); - valstr = rb_str_new(val.dptr, val.dsize); - ret = rb_protect(rb_yield, rb_assoc_new(rb_str_dup(keystr), valstr), &status); - if (status != 0) break; - if (RTEST(ret)) rb_ary_push(ary, keystr); - GetDBM2(obj, dbmp, dbm); - } - - for (i = 0; i < RARRAY_LEN(ary); i++) { - keystr = RARRAY_AREF(ary, i); - key.dptr = RSTRING_PTR(keystr); - key.dsize = (DSIZE_TYPE)RSTRING_LEN(keystr); - if (dbm_delete(dbm, key)) { - rb_raise(rb_eDBMError, "dbm_delete failed"); - } - } - if (status) rb_jump_tag(status); - if (n > 0) dbmp->di_size = n - RARRAY_LEN(ary); - rb_ary_clear(ary); - - return obj; -} - -/* - * call-seq: - * dbm.clear - * - * Deletes all data from the database. - */ -static VALUE -fdbm_clear(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - - fdbm_modify(obj); - GetDBM2(obj, dbmp, dbm); - dbmp->di_size = -1; - while (key = dbm_firstkey(dbm), key.dptr) { - if (dbm_delete(dbm, key)) { - rb_raise(rb_eDBMError, "dbm_delete failed"); - } - } - dbmp->di_size = 0; - - return obj; -} - -/* - * call-seq: - * dbm.invert -> hash - * - * Returns a Hash (not a DBM database) created by using each value in the - * database as a key, with the corresponding key as its value. - */ -static VALUE -fdbm_invert(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE keystr, valstr; - VALUE hash = rb_hash_new(); - - GetDBM2(obj, dbmp, dbm); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - keystr = rb_str_new(key.dptr, key.dsize); - valstr = rb_str_new(val.dptr, val.dsize); - rb_hash_aset(hash, valstr, keystr); - } - return hash; -} - -static VALUE fdbm_store(VALUE,VALUE,VALUE); - -static VALUE -update_i(RB_BLOCK_CALL_FUNC_ARGLIST(pair, dbm)) -{ - const VALUE *ptr; - Check_Type(pair, T_ARRAY); - if (RARRAY_LEN(pair) < 2) { - rb_raise(rb_eArgError, "pair must be [key, value]"); - } - ptr = RARRAY_CONST_PTR(pair); - fdbm_store(dbm, ptr[0], ptr[1]); - return Qnil; -} - -/* - * call-seq: - * dbm.update(obj) - * - * Updates the database with multiple values from the specified object. - * Takes any object which implements the each_pair method, including - * Hash and DBM objects. - */ -static VALUE -fdbm_update(VALUE obj, VALUE other) -{ - rb_block_call(other, rb_intern("each_pair"), 0, 0, update_i, obj); - return obj; -} - -/* - * call-seq: - * dbm.replace(obj) - * - * Replaces the contents of the database with the contents of the specified - * object. Takes any object which implements the each_pair method, including - * Hash and DBM objects. - */ -static VALUE -fdbm_replace(VALUE obj, VALUE other) -{ - fdbm_clear(obj); - rb_block_call(other, rb_intern("each_pair"), 0, 0, update_i, obj); - return obj; -} - -/* - * call-seq: - * dbm.store(key, value) -> value - * dbm[key] = value - * - * Stores the specified string value in the database, indexed via the - * string key provided. - */ -static VALUE -fdbm_store(VALUE obj, VALUE keystr, VALUE valstr) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - - fdbm_modify(obj); - keystr = rb_obj_as_string(keystr); - valstr = rb_obj_as_string(valstr); - - key.dptr = RSTRING_PTR(keystr); - key.dsize = RSTRING_DSIZE(keystr); - - val.dptr = RSTRING_PTR(valstr); - val.dsize = RSTRING_DSIZE(valstr); - - GetDBM2(obj, dbmp, dbm); - dbmp->di_size = -1; - if (dbm_store(dbm, key, val, DBM_REPLACE)) { - dbm_clearerr(dbm); - if (errno == EPERM) rb_sys_fail(0); - rb_raise(rb_eDBMError, "dbm_store failed"); - } - - return valstr; -} - -/* - * call-seq: - * dbm.length -> integer - * dbm.size -> integer - * - * Returns the number of entries in the database. - */ -static VALUE -fdbm_length(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - int i = 0; - - GetDBM2(obj, dbmp, dbm); - if (dbmp->di_size > 0) return INT2FIX(dbmp->di_size); - - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - i++; - } - dbmp->di_size = i; - - return INT2FIX(i); -} - -/* - * call-seq: - * dbm.empty? - * - * Returns true if the database is empty, false otherwise. - */ -static VALUE -fdbm_empty_p(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - - GetDBM2(obj, dbmp, dbm); - if (dbmp->di_size < 0) { - dbm = dbmp->di_dbm; - - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - return Qfalse; - } - } - else { - if (dbmp->di_size) - return Qfalse; - } - return Qtrue; -} - -/* - * call-seq: - * dbm.each_value {|value| block} -> self - * - * Calls the block once for each value string in the database. Returns self. - */ -static VALUE -fdbm_each_value(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - - RETURN_ENUMERATOR(obj, 0, 0); - - GetDBM2(obj, dbmp, dbm); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - rb_yield(rb_str_new(val.dptr, val.dsize)); - GetDBM2(obj, dbmp, dbm); - } - return obj; -} - -/* - * call-seq: - * dbm.each_key {|key| block} -> self - * - * Calls the block once for each key string in the database. Returns self. - */ -static VALUE -fdbm_each_key(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - - RETURN_ENUMERATOR(obj, 0, 0); - - GetDBM2(obj, dbmp, dbm); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - rb_yield(rb_str_new(key.dptr, key.dsize)); - GetDBM2(obj, dbmp, dbm); - } - return obj; -} - -/* - * call-seq: - * dbm.each_pair {|key,value| block} -> self - * - * Calls the block once for each [key, value] pair in the database. - * Returns self. - */ -static VALUE -fdbm_each_pair(VALUE obj) -{ - datum key, val; - DBM *dbm; - struct dbmdata *dbmp; - VALUE keystr, valstr; - - RETURN_ENUMERATOR(obj, 0, 0); - - GetDBM2(obj, dbmp, dbm); - - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - keystr = rb_str_new(key.dptr, key.dsize); - valstr = rb_str_new(val.dptr, val.dsize); - rb_yield(rb_assoc_new(keystr, valstr)); - GetDBM2(obj, dbmp, dbm); - } - - return obj; -} - -/* - * call-seq: - * dbm.keys -> array - * - * Returns an array of all the string keys in the database. - */ -static VALUE -fdbm_keys(VALUE obj) -{ - datum key; - struct dbmdata *dbmp; - DBM *dbm; - VALUE ary; - - GetDBM2(obj, dbmp, dbm); - - ary = rb_ary_new(); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - rb_ary_push(ary, rb_str_new(key.dptr, key.dsize)); - } - - return ary; -} - -/* - * call-seq: - * dbm.values -> array - * - * Returns an array of all the string values in the database. - */ -static VALUE -fdbm_values(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE ary; - - GetDBM2(obj, dbmp, dbm); - ary = rb_ary_new(); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - rb_ary_push(ary, rb_str_new(val.dptr, val.dsize)); - } - - return ary; -} - -/* - * call-seq: - * dbm.include?(key) -> boolean - * dbm.has_key?(key) -> boolean - * dbm.member?(key) -> boolean - * dbm.key?(key) -> boolean - * - * Returns true if the database contains the specified key, false otherwise. - */ -static VALUE -fdbm_has_key(VALUE obj, VALUE keystr) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - long len; - - ExportStringValue(keystr); - len = RSTRING_LEN(keystr); - if (TOO_LONG(len)) return Qfalse; - key.dptr = RSTRING_PTR(keystr); - key.dsize = (DSIZE_TYPE)len; - - GetDBM2(obj, dbmp, dbm); - val = dbm_fetch(dbm, key); - if (val.dptr) return Qtrue; - return Qfalse; -} - -/* - * call-seq: - * dbm.has_value?(value) -> boolean - * dbm.value?(value) -> boolean - * - * Returns true if the database contains the specified string value, false - * otherwise. - */ -static VALUE -fdbm_has_value(VALUE obj, VALUE valstr) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - long len; - - ExportStringValue(valstr); - len = RSTRING_LEN(valstr); - if (TOO_LONG(len)) return Qfalse; - val.dptr = RSTRING_PTR(valstr); - val.dsize = (DSIZE_TYPE)len; - - GetDBM2(obj, dbmp, dbm); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - if ((DSIZE_TYPE)val.dsize == (DSIZE_TYPE)RSTRING_LEN(valstr) && - memcmp(val.dptr, RSTRING_PTR(valstr), val.dsize) == 0) - return Qtrue; - } - return Qfalse; -} - -/* - * call-seq: - * dbm.to_a -> array - * - * Converts the contents of the database to an array of [key, value] arrays, - * and returns it. - */ -static VALUE -fdbm_to_a(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE ary; - - GetDBM2(obj, dbmp, dbm); - ary = rb_ary_new(); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - rb_ary_push(ary, rb_assoc_new(rb_str_new(key.dptr, key.dsize), - rb_str_new(val.dptr, val.dsize))); - } - - return ary; -} - -/* - * call-seq: - * dbm.to_hash -> hash - * - * Converts the contents of the database to an in-memory Hash object, and - * returns it. - */ -static VALUE -fdbm_to_hash(VALUE obj) -{ - datum key, val; - struct dbmdata *dbmp; - DBM *dbm; - VALUE hash; - - GetDBM2(obj, dbmp, dbm); - hash = rb_hash_new(); - for (key = dbm_firstkey(dbm); key.dptr; key = dbm_nextkey(dbm)) { - val = dbm_fetch(dbm, key); - rb_hash_aset(hash, rb_str_new(key.dptr, key.dsize), - rb_str_new(val.dptr, val.dsize)); - } - - return hash; -} - -/* - * call-seq: - * dbm.reject {|key,value| block} -> Hash - * - * Converts the contents of the database to an in-memory Hash, then calls - * Hash#reject with the specified code block, returning a new Hash. - */ -static VALUE -fdbm_reject(VALUE obj) -{ - return rb_hash_delete_if(fdbm_to_hash(obj)); -} - -/* - * == Introduction - * - * The DBM class provides a wrapper to a Unix-style - * {dbm}[https://en.wikipedia.org/wiki/Dbm] or Database Manager library. - * - * Dbm databases do not have tables or columns; they are simple key-value - * data stores, like a Ruby Hash except not resident in RAM. Keys and values - * must be strings. - * - * The exact library used depends on how Ruby was compiled. It could be any - * of the following: - * - * - The original ndbm library is released in 4.3BSD. - * It is based on dbm library in Unix Version 7 but has different API to - * support multiple databases in a process. - * - {Berkeley DB}[https://en.wikipedia.org/wiki/Berkeley_DB] versions - * 1 thru 6, also known as BDB and Sleepycat DB, now owned by Oracle - * Corporation. - * - Berkeley DB 1.x, still found in 4.4BSD derivatives (FreeBSD, OpenBSD, etc). - * - {gdbm}[http://www.gnu.org/software/gdbm/], the GNU implementation of dbm. - * - {qdbm}[http://fallabs.com/qdbm/index.html], another open source - * reimplementation of dbm. - * - * All of these dbm implementations have their own Ruby interfaces - * available, which provide richer (but varying) APIs. - * - * == Cautions - * - * Before you decide to use DBM, there are some issues you should consider: - * - * - Each implementation of dbm has its own file format. Generally, dbm - * libraries will not read each other's files. This makes dbm files - * a bad choice for data exchange. - * - * - Even running the same OS and the same dbm implementation, the database - * file format may depend on the CPU architecture. For example, files may - * not be portable between PowerPC and 386, or between 32 and 64 bit Linux. - * - * - Different versions of Berkeley DB use different file formats. A change to - * the OS may therefore break DBM access to existing files. - * - * - Data size limits vary between implementations. Original Berkeley DB was - * limited to 2GB of data. Dbm libraries also sometimes limit the total - * size of a key/value pair, and the total size of all the keys that hash - * to the same value. These limits can be as little as 512 bytes. That said, - * gdbm and recent versions of Berkeley DB do away with these limits. - * - * Given the above cautions, DBM is not a good choice for long term storage of - * important data. It is probably best used as a fast and easy alternative - * to a Hash for processing large amounts of data. - * - * == Example - * - * require 'dbm' - * db = DBM.open('rfcs', 0666, DBM::WRCREAT) - * db['822'] = 'Standard for the Format of ARPA Internet Text Messages' - * db['1123'] = 'Requirements for Internet Hosts - Application and Support' - * db['3068'] = 'An Anycast Prefix for 6to4 Relay Routers' - * puts db['822'] - */ -void -Init_dbm(void) -{ - rb_cDBM = rb_define_class("DBM", rb_cObject); - /* Document-class: DBMError - * Exception class used to return errors from the dbm library. - */ - rb_eDBMError = rb_define_class("DBMError", rb_eStandardError); - rb_include_module(rb_cDBM, rb_mEnumerable); - - rb_define_alloc_func(rb_cDBM, fdbm_alloc); - rb_define_singleton_method(rb_cDBM, "open", fdbm_s_open, -1); - - rb_define_method(rb_cDBM, "initialize", fdbm_initialize, -1); - rb_define_method(rb_cDBM, "close", fdbm_close, 0); - rb_define_method(rb_cDBM, "closed?", fdbm_closed, 0); - rb_define_method(rb_cDBM, "[]", fdbm_aref, 1); - rb_define_method(rb_cDBM, "fetch", fdbm_fetch_m, -1); - rb_define_method(rb_cDBM, "[]=", fdbm_store, 2); - rb_define_method(rb_cDBM, "store", fdbm_store, 2); - rb_define_method(rb_cDBM, "index", fdbm_index, 1); - rb_define_method(rb_cDBM, "key", fdbm_key, 1); - rb_define_method(rb_cDBM, "select", fdbm_select, 0); - rb_define_method(rb_cDBM, "values_at", fdbm_values_at, -1); - rb_define_method(rb_cDBM, "length", fdbm_length, 0); - rb_define_method(rb_cDBM, "size", fdbm_length, 0); - rb_define_method(rb_cDBM, "empty?", fdbm_empty_p, 0); - rb_define_method(rb_cDBM, "each", fdbm_each_pair, 0); - rb_define_method(rb_cDBM, "each_value", fdbm_each_value, 0); - rb_define_method(rb_cDBM, "each_key", fdbm_each_key, 0); - rb_define_method(rb_cDBM, "each_pair", fdbm_each_pair, 0); - rb_define_method(rb_cDBM, "keys", fdbm_keys, 0); - rb_define_method(rb_cDBM, "values", fdbm_values, 0); - rb_define_method(rb_cDBM, "shift", fdbm_shift, 0); - rb_define_method(rb_cDBM, "delete", fdbm_delete, 1); - rb_define_method(rb_cDBM, "delete_if", fdbm_delete_if, 0); - rb_define_method(rb_cDBM, "reject!", fdbm_delete_if, 0); - rb_define_method(rb_cDBM, "reject", fdbm_reject, 0); - rb_define_method(rb_cDBM, "clear", fdbm_clear, 0); - rb_define_method(rb_cDBM, "invert", fdbm_invert, 0); - rb_define_method(rb_cDBM, "update", fdbm_update, 1); - rb_define_method(rb_cDBM, "replace", fdbm_replace, 1); - - rb_define_method(rb_cDBM, "include?", fdbm_has_key, 1); - rb_define_method(rb_cDBM, "has_key?", fdbm_has_key, 1); - rb_define_method(rb_cDBM, "member?", fdbm_has_key, 1); - rb_define_method(rb_cDBM, "has_value?", fdbm_has_value, 1); - rb_define_method(rb_cDBM, "key?", fdbm_has_key, 1); - rb_define_method(rb_cDBM, "value?", fdbm_has_value, 1); - - rb_define_method(rb_cDBM, "to_a", fdbm_to_a, 0); - rb_define_method(rb_cDBM, "to_hash", fdbm_to_hash, 0); - - /* Indicates that dbm_open() should open the database in read-only mode */ - rb_define_const(rb_cDBM, "READER", INT2FIX(O_RDONLY|RUBY_DBM_RW_BIT)); - - /* Indicates that dbm_open() should open the database in read/write mode */ - rb_define_const(rb_cDBM, "WRITER", INT2FIX(O_RDWR|RUBY_DBM_RW_BIT)); - - /* Indicates that dbm_open() should open the database in read/write mode, - * and create it if it does not already exist - */ - rb_define_const(rb_cDBM, "WRCREAT", INT2FIX(O_RDWR|O_CREAT|RUBY_DBM_RW_BIT)); - - /* Indicates that dbm_open() should open the database in read/write mode, - * create it if it does not already exist, and delete all contents if it - * does already exist. - */ - rb_define_const(rb_cDBM, "NEWDB", INT2FIX(O_RDWR|O_CREAT|O_TRUNC|RUBY_DBM_RW_BIT)); - - { - VALUE version; -#if defined(_DBM_IOERR) - version = rb_str_new2("ndbm (4.3BSD)"); -#elif defined(RUBYDBM_GDBM_HEADER) -# if defined(HAVE_DECLARED_LIBVAR_GDBM_VERSION) - /* since gdbm 1.9 */ - version = rb_str_new2(gdbm_version); -# elif defined(HAVE_UNDECLARED_LIBVAR_GDBM_VERSION) - /* ndbm.h doesn't declare gdbm_version until gdbm 1.8.3. - * See extconf.rb for more information. */ - RUBY_EXTERN char *gdbm_version; - version = rb_str_new2(gdbm_version); -# else - version = rb_str_new2("GDBM (unknown)"); -# endif -#elif defined(RUBYDBM_DB_HEADER) -# if defined(HAVE_DB_VERSION) - /* The version of the dbm library, if using Berkeley DB */ - version = rb_str_new2(db_version(NULL, NULL, NULL)); -# else - version = rb_str_new2("Berkeley DB (unknown)"); -# endif -#elif defined(_RELIC_H) -# if defined(HAVE_DPVERSION) - version = rb_sprintf("QDBM %s", dpversion); -# else - version = rb_str_new2("QDBM (unknown)"); -# endif -#else - version = rb_str_new2("ndbm (unknown)"); -#endif - /* - * Identifies ndbm library version. - * - * Examples: - * - * - "ndbm (4.3BSD)" - * - "Berkeley DB 4.8.30: (April 9, 2010)" - * - "Berkeley DB (unknown)" (4.4BSD, maybe) - * - "GDBM version 1.8.3. 10/15/2002 (built Jul 1 2011 12:32:45)" - * - "QDBM 1.8.78" - * - */ - rb_define_const(rb_cDBM, "VERSION", version); - } -} diff --git a/ext/dbm/dbm.gemspec b/ext/dbm/dbm.gemspec deleted file mode 100644 index 9f13f1c2a8..0000000000 --- a/ext/dbm/dbm.gemspec +++ /dev/null @@ -1,21 +0,0 @@ -# frozen_string_literal: true -Gem::Specification.new do |s| - s.name = "dbm" - s.version = '1.1.0' - s.summary = "Provides a wrapper for the UNIX-style Database Manager Library" - s.description = "Provides a wrapper for the UNIX-style Database Manager Library" - - s.require_path = %w{lib} - s.files = %w{README.md LICENSE.txt ext/dbm/extconf.rb ext/dbm/dbm.c} - s.extensions = %w{ext/dbm/extconf.rb} - s.required_ruby_version = ">= 2.3.0" - - s.authors = ["Yukihiro Matsumoto"] - s.email = ["matz@ruby-lang.org"] - s.homepage = "https://github.com/ruby/dbm" - s.licenses = ["Ruby", "BSD-2-Clause"] - - s.add_development_dependency "rake-compiler" - s.add_development_dependency "test-unit" - s.metadata["msys2_mingw_dependencies"] = "gdbm" -end diff --git a/ext/dbm/depend b/ext/dbm/depend deleted file mode 100644 index dbad8041c1..0000000000 --- a/ext/dbm/depend +++ /dev/null @@ -1,162 +0,0 @@ -# AUTOGENERATED DEPENDENCIES START -dbm.o: $(RUBY_EXTCONF_H) -dbm.o: $(arch_hdrdir)/ruby/config.h -dbm.o: $(hdrdir)/ruby.h -dbm.o: $(hdrdir)/ruby/internal/anyargs.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/char.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/double.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/fixnum.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/gid_t.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/int.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/intptr_t.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/long.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/long_long.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/mode_t.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/off_t.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/pid_t.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/short.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/size_t.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/st_data_t.h -dbm.o: $(hdrdir)/ruby/internal/arithmetic/uid_t.h -dbm.o: $(hdrdir)/ruby/internal/assume.h -dbm.o: $(hdrdir)/ruby/internal/attr/alloc_size.h -dbm.o: $(hdrdir)/ruby/internal/attr/artificial.h -dbm.o: $(hdrdir)/ruby/internal/attr/cold.h -dbm.o: $(hdrdir)/ruby/internal/attr/const.h -dbm.o: $(hdrdir)/ruby/internal/attr/constexpr.h -dbm.o: $(hdrdir)/ruby/internal/attr/deprecated.h -dbm.o: $(hdrdir)/ruby/internal/attr/diagnose_if.h -dbm.o: $(hdrdir)/ruby/internal/attr/enum_extensibility.h -dbm.o: $(hdrdir)/ruby/internal/attr/error.h -dbm.o: $(hdrdir)/ruby/internal/attr/flag_enum.h -dbm.o: $(hdrdir)/ruby/internal/attr/forceinline.h -dbm.o: $(hdrdir)/ruby/internal/attr/format.h -dbm.o: $(hdrdir)/ruby/internal/attr/maybe_unused.h -dbm.o: $(hdrdir)/ruby/internal/attr/noalias.h -dbm.o: $(hdrdir)/ruby/internal/attr/nodiscard.h -dbm.o: $(hdrdir)/ruby/internal/attr/noexcept.h -dbm.o: $(hdrdir)/ruby/internal/attr/noinline.h -dbm.o: $(hdrdir)/ruby/internal/attr/nonnull.h -dbm.o: $(hdrdir)/ruby/internal/attr/noreturn.h -dbm.o: $(hdrdir)/ruby/internal/attr/pure.h -dbm.o: $(hdrdir)/ruby/internal/attr/restrict.h -dbm.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h -dbm.o: $(hdrdir)/ruby/internal/attr/warning.h -dbm.o: $(hdrdir)/ruby/internal/attr/weakref.h -dbm.o: $(hdrdir)/ruby/internal/cast.h -dbm.o: $(hdrdir)/ruby/internal/compiler_is.h -dbm.o: $(hdrdir)/ruby/internal/compiler_is/apple.h -dbm.o: $(hdrdir)/ruby/internal/compiler_is/clang.h -dbm.o: $(hdrdir)/ruby/internal/compiler_is/gcc.h -dbm.o: $(hdrdir)/ruby/internal/compiler_is/intel.h -dbm.o: $(hdrdir)/ruby/internal/compiler_is/msvc.h -dbm.o: $(hdrdir)/ruby/internal/compiler_is/sunpro.h -dbm.o: $(hdrdir)/ruby/internal/compiler_since.h -dbm.o: $(hdrdir)/ruby/internal/config.h -dbm.o: $(hdrdir)/ruby/internal/constant_p.h -dbm.o: $(hdrdir)/ruby/internal/core.h -dbm.o: $(hdrdir)/ruby/internal/core/rarray.h -dbm.o: $(hdrdir)/ruby/internal/core/rbasic.h -dbm.o: $(hdrdir)/ruby/internal/core/rbignum.h -dbm.o: $(hdrdir)/ruby/internal/core/rclass.h -dbm.o: $(hdrdir)/ruby/internal/core/rdata.h -dbm.o: $(hdrdir)/ruby/internal/core/rfile.h -dbm.o: $(hdrdir)/ruby/internal/core/rhash.h -dbm.o: $(hdrdir)/ruby/internal/core/robject.h -dbm.o: $(hdrdir)/ruby/internal/core/rregexp.h -dbm.o: $(hdrdir)/ruby/internal/core/rstring.h -dbm.o: $(hdrdir)/ruby/internal/core/rstruct.h -dbm.o: $(hdrdir)/ruby/internal/core/rtypeddata.h -dbm.o: $(hdrdir)/ruby/internal/ctype.h -dbm.o: $(hdrdir)/ruby/internal/dllexport.h -dbm.o: $(hdrdir)/ruby/internal/dosish.h -dbm.o: $(hdrdir)/ruby/internal/error.h -dbm.o: $(hdrdir)/ruby/internal/eval.h -dbm.o: $(hdrdir)/ruby/internal/event.h -dbm.o: $(hdrdir)/ruby/internal/fl_type.h -dbm.o: $(hdrdir)/ruby/internal/gc.h -dbm.o: $(hdrdir)/ruby/internal/glob.h -dbm.o: $(hdrdir)/ruby/internal/globals.h -dbm.o: $(hdrdir)/ruby/internal/has/attribute.h -dbm.o: $(hdrdir)/ruby/internal/has/builtin.h -dbm.o: $(hdrdir)/ruby/internal/has/c_attribute.h -dbm.o: $(hdrdir)/ruby/internal/has/cpp_attribute.h -dbm.o: $(hdrdir)/ruby/internal/has/declspec_attribute.h -dbm.o: $(hdrdir)/ruby/internal/has/extension.h -dbm.o: $(hdrdir)/ruby/internal/has/feature.h -dbm.o: $(hdrdir)/ruby/internal/has/warning.h -dbm.o: $(hdrdir)/ruby/internal/intern/array.h -dbm.o: $(hdrdir)/ruby/internal/intern/bignum.h -dbm.o: $(hdrdir)/ruby/internal/intern/class.h -dbm.o: $(hdrdir)/ruby/internal/intern/compar.h -dbm.o: $(hdrdir)/ruby/internal/intern/complex.h -dbm.o: $(hdrdir)/ruby/internal/intern/cont.h -dbm.o: $(hdrdir)/ruby/internal/intern/dir.h -dbm.o: $(hdrdir)/ruby/internal/intern/enum.h -dbm.o: $(hdrdir)/ruby/internal/intern/enumerator.h -dbm.o: $(hdrdir)/ruby/internal/intern/error.h -dbm.o: $(hdrdir)/ruby/internal/intern/eval.h -dbm.o: $(hdrdir)/ruby/internal/intern/file.h -dbm.o: $(hdrdir)/ruby/internal/intern/gc.h -dbm.o: $(hdrdir)/ruby/internal/intern/hash.h -dbm.o: $(hdrdir)/ruby/internal/intern/io.h -dbm.o: $(hdrdir)/ruby/internal/intern/load.h -dbm.o: $(hdrdir)/ruby/internal/intern/marshal.h -dbm.o: $(hdrdir)/ruby/internal/intern/numeric.h -dbm.o: $(hdrdir)/ruby/internal/intern/object.h -dbm.o: $(hdrdir)/ruby/internal/intern/parse.h -dbm.o: $(hdrdir)/ruby/internal/intern/proc.h -dbm.o: $(hdrdir)/ruby/internal/intern/process.h -dbm.o: $(hdrdir)/ruby/internal/intern/random.h -dbm.o: $(hdrdir)/ruby/internal/intern/range.h -dbm.o: $(hdrdir)/ruby/internal/intern/rational.h -dbm.o: $(hdrdir)/ruby/internal/intern/re.h -dbm.o: $(hdrdir)/ruby/internal/intern/ruby.h -dbm.o: $(hdrdir)/ruby/internal/intern/select.h -dbm.o: $(hdrdir)/ruby/internal/intern/select/largesize.h -dbm.o: $(hdrdir)/ruby/internal/intern/signal.h -dbm.o: $(hdrdir)/ruby/internal/intern/sprintf.h -dbm.o: $(hdrdir)/ruby/internal/intern/string.h -dbm.o: $(hdrdir)/ruby/internal/intern/struct.h -dbm.o: $(hdrdir)/ruby/internal/intern/thread.h -dbm.o: $(hdrdir)/ruby/internal/intern/time.h -dbm.o: $(hdrdir)/ruby/internal/intern/variable.h -dbm.o: $(hdrdir)/ruby/internal/intern/vm.h -dbm.o: $(hdrdir)/ruby/internal/interpreter.h -dbm.o: $(hdrdir)/ruby/internal/iterator.h -dbm.o: $(hdrdir)/ruby/internal/memory.h -dbm.o: $(hdrdir)/ruby/internal/method.h -dbm.o: $(hdrdir)/ruby/internal/module.h -dbm.o: $(hdrdir)/ruby/internal/newobj.h -dbm.o: $(hdrdir)/ruby/internal/rgengc.h -dbm.o: $(hdrdir)/ruby/internal/scan_args.h -dbm.o: $(hdrdir)/ruby/internal/special_consts.h -dbm.o: $(hdrdir)/ruby/internal/static_assert.h -dbm.o: $(hdrdir)/ruby/internal/stdalign.h -dbm.o: $(hdrdir)/ruby/internal/stdbool.h -dbm.o: $(hdrdir)/ruby/internal/symbol.h -dbm.o: $(hdrdir)/ruby/internal/value.h -dbm.o: $(hdrdir)/ruby/internal/value_type.h -dbm.o: $(hdrdir)/ruby/internal/variable.h -dbm.o: $(hdrdir)/ruby/internal/warning_push.h -dbm.o: $(hdrdir)/ruby/internal/xmalloc.h -dbm.o: $(hdrdir)/ruby/assert.h -dbm.o: $(hdrdir)/ruby/backward.h -dbm.o: $(hdrdir)/ruby/backward/2/assume.h -dbm.o: $(hdrdir)/ruby/backward/2/attributes.h -dbm.o: $(hdrdir)/ruby/backward/2/bool.h -dbm.o: $(hdrdir)/ruby/backward/2/gcc_version_since.h -dbm.o: $(hdrdir)/ruby/backward/2/inttypes.h -dbm.o: $(hdrdir)/ruby/backward/2/limits.h -dbm.o: $(hdrdir)/ruby/backward/2/long_long.h -dbm.o: $(hdrdir)/ruby/backward/2/stdalign.h -dbm.o: $(hdrdir)/ruby/backward/2/stdarg.h -dbm.o: $(hdrdir)/ruby/defines.h -dbm.o: $(hdrdir)/ruby/intern.h -dbm.o: $(hdrdir)/ruby/missing.h -dbm.o: $(hdrdir)/ruby/ruby.h -dbm.o: $(hdrdir)/ruby/st.h -dbm.o: $(hdrdir)/ruby/subst.h -dbm.o: dbm.c -# AUTOGENERATED DEPENDENCIES END diff --git a/ext/dbm/extconf.rb b/ext/dbm/extconf.rb deleted file mode 100644 index c9a5518bf6..0000000000 --- a/ext/dbm/extconf.rb +++ /dev/null @@ -1,292 +0,0 @@ -# frozen_string_literal: true -# configure option: -# --with-dbm-type=COMMA-SEPARATED-NDBM-TYPES -# -# ndbm type: -# libc ndbm compatible library in libc. -# db Berkeley DB (libdb) -# db2 Berkeley DB (libdb2) -# db1 Berkeley DB (libdb1) -# db6 Berkeley DB (libdb6) -# db5 Berkeley DB (libdb5) -# db4 Berkeley DB (libdb4) -# db3 Berkeley DB (libdb3) -# gdbm_compat GDBM since 1.8.1 (libgdbm_compat) -# gdbm GDBM until 1.8.0 (libgdbm) -# qdbm QDBM (libqdbm) -# ndbm Some legacy OS may have libndbm. - -# :stopdoc: -require 'mkmf' - -dir_config("dbm") - -if dblib = with_config("dbm-type", nil) - dblib = dblib.split(/[ ,]+/) -else - dblib = %w(libc db db2 db1 db6 db5 db4 db3 gdbm_compat gdbm qdbm) -end - -headers = { - "libc" => ["ndbm.h"], # 4.3BSD original ndbm, Berkeley DB 1 in 4.4BSD libc. - "db" => ["db.h"], - "db1" => ["db1/ndbm.h", "db1.h", "ndbm.h"], - "db2" => ["db2/db.h", "db2.h", "db.h"], - "db3" => ["db3/db.h", "db3.h", "db.h"], - "db4" => ["db4/db.h", "db4.h", "db.h"], - "db5" => ["db5/db.h", "db5.h", "db.h"], - "db6" => ["db6/db.h", "db6.h", "db.h"], - "gdbm_compat" => ["gdbm-ndbm.h", "gdbm/ndbm.h", "ndbm.h"], # GDBM since 1.8.1 - "gdbm" => ["gdbm-ndbm.h", "gdbm/ndbm.h", "ndbm.h"], # GDBM until 1.8.0 - "qdbm" => ["qdbm/relic.h", "relic.h"], -} - -class << headers - attr_accessor :found - attr_accessor :defs -end -headers.found = [] -headers.defs = nil - -def headers.db_check(db, hdr) - old_libs = $libs.dup - old_defs = $defs.dup - result = db_check2(db, hdr) - if !result - $libs = old_libs - $defs = old_defs - end - result -end - -def have_declared_libvar(var, headers = nil, opt = "", &b) - checking_for checking_message([*var].compact.join(' '), headers, opt) do - try_declared_libvar(var, headers, opt, &b) - end -end - -def try_declared_libvar(var, headers = nil, opt = "", &b) - if try_link(<<"SRC", opt, &b) -#{cpp_include(headers)} -/*top*/ -int main(int argc, char *argv[]) { - void *conftest_var = &#{var}; - return 0; -} -SRC - $defs.push(format("-DHAVE_DECLARED_LIBVAR_%s", var.tr_cpp)) - true - else - false - end -end - -def have_undeclared_libvar(var, headers = nil, opt = "", &b) - checking_for checking_message([*var].compact.join(' '), headers, opt) do - try_undeclared_libvar(var, headers, opt, &b) - end -end - -def try_undeclared_libvar(var, headers = nil, opt = "", &b) - var, type = *var - if try_link(<<"SRC", opt, &b) -#{cpp_include(headers)} -/*top*/ -int main(int argc, char *argv[]) { - typedef #{type || 'int'} conftest_type; - extern conftest_type #{var}; - conftest_type *conftest_var = &#{var}; - return 0; -} -SRC - $defs.push(format("-DHAVE_UNDECLARED_LIBVAR_%s", var.tr_cpp)) - true - else - false - end -end - -def have_empty_macro_dbm_clearerr(headers = nil, opt = "", &b) - checking_for checking_message('empty macro of dbm_clearerr(foobarbaz)', - headers, opt) do - try_toplevel('dbm_clearerr(foobarbaz)', headers, opt, &b) - end -end - -def try_toplevel(src, headers = nil, opt = "", &b) - if try_compile(<<"SRC", opt, &b) -#{cpp_include(headers)} -/*top*/ -#{src} -SRC - true - else - false - end -end - - -def headers.db_check2(db, hdr) - $defs.push(%{-DRUBYDBM_DBM_HEADER='"#{hdr}"'}) - $defs.push(%{-DRUBYDBM_DBM_TYPE='"#{db}"'}) - - hsearch = nil - - case db - when /^db[2-6]?$/ - hsearch = "-DDB_DBM_HSEARCH" - when "gdbm_compat" - have_library("gdbm") or return false - end - - if !have_type("DBM", hdr, hsearch) - return false - end - - # 'libc' means ndbm is provided by libc. - # 4.3BSD original ndbm is contained in libc. - # 4.4BSD (and its derivatives such as NetBSD) contains Berkeley DB 1 in libc. - if !(db == 'libc' ? have_func('dbm_open("", 0, 0)', hdr, hsearch) : - have_library(db, 'dbm_open("", 0, 0)', hdr, hsearch)) - return false - end - - # Skip a mismatch of Berkeley DB's ndbm.h and old GDBM library. - # - # dbm_clearerr() should be available for any ndbm implementation. - # It is available since the original (4.3BSD) ndbm and standardized by POSIX. - # - # However "can't resolve symbol 'dbm_clearerr'" problem may be caused by - # header/library mismatch: Berkeley DB ndbm.h and GDBM library until 1.8.3. - # GDBM (until 1.8.3) provides dbm_clearerr() as a empty macro in the header - # and the library don't provide dbm_clearerr(). - # Berkeley DB provides dbm_clearerr() as a usual function. - # So Berkeley DB header with GDBM library causes the problem. - # - if !have_func('dbm_clearerr((DBM *)0)', hdr, hsearch) - return false - end - - # Berkeley DB's ndbm.h (since 1.85 at least) defines DBM_SUFFIX. - # Note that _DB_H_ is not defined on Mac OS X because - # it uses Berkeley DB 1 but ndbm.h doesn't include db.h. - have_db_header = have_macro('DBM_SUFFIX', hdr, hsearch) - - # Old GDBM's ndbm.h, until 1.8.3, defines dbm_clearerr as a macro which - # expands to no tokens. - have_gdbm_header1 = have_empty_macro_dbm_clearerr(hdr, hsearch) - - # Recent GDBM's ndbm.h, since 1.9, includes gdbm.h and it defines _GDBM_H_. - # ndbm compatibility layer of GDBM is provided by libgdbm (until 1.8.0) - # and libgdbm_compat (since 1.8.1). - have_gdbm_header2 = have_macro('_GDBM_H_', hdr, hsearch) - - # 4.3BSD's ndbm.h defines _DBM_IOERR. - # The original ndbm is provided by libc in 4.3BSD. - have_ndbm_header = have_macro('_DBM_IOERR', hdr, hsearch) - - # GDBM provides ndbm functions in libgdbm_compat since GDBM 1.8.1. - # GDBM's ndbm.h defines _GDBM_H_ since GDBM 1.9. - # If _GDBM_H_ is defined, 'gdbm_compat' is required and reject 'gdbm'. - if have_gdbm_header2 && db == 'gdbm' - return false - end - - if have_db_header - $defs.push('-DRUBYDBM_DB_HEADER') - end - - have_gdbm_header = have_gdbm_header1 | have_gdbm_header2 - if have_gdbm_header - $defs.push('-DRUBYDBM_GDBM_HEADER') - end - - # ndbm.h is provided by the original (4.3BSD) ndbm, - # Berkeley DB 1 in libc of 4.4BSD and - # ndbm compatibility layer of GDBM. - # So, try to check header/library mismatch. - # - # Several (possibly historical) distributions provides libndbm. - # It may be Berkeley DB, GDBM or 4.3BSD ndbm. - # So mismatch check is not performed for that. - # Note that libndbm is searched only when --with-dbm-type=ndbm is - # given for configure. - # - if hdr == 'ndbm.h' && db != 'libc' && db != 'ndbm' - if /\Adb\d?\z/ !~ db && have_db_header - return false - end - - if /\Agdbm/ !~ db && have_gdbm_header - return false - end - - if have_ndbm_header - return false - end - end - - # Berkeley DB - have_func('db_version((int *)0, (int *)0, (int *)0)', hdr, hsearch) - - # GDBM - have_gdbm_version = have_declared_libvar("gdbm_version", hdr, hsearch) - # gdbm_version is available since very old version (GDBM 1.5 at least). - # However it is not declared by ndbm.h until GDBM 1.8.3. - # We can't include both ndbm.h and gdbm.h because they both define datum type. - # ndbm.h includes gdbm.h and gdbm_version is declared since GDBM 1.9. - have_gdbm_version |= have_undeclared_libvar(["gdbm_version", "char *"], hdr, hsearch) - - # QDBM - have_var("dpversion", hdr, hsearch) - - # detect mismatch between GDBM header and other library. - # If GDBM header is included, GDBM library should be linked. - if have_gdbm_header && !have_gdbm_version - return false - end - - # DBC type is required to disable error messages by Berkeley DB 2 or later. - if have_db_header - have_type("DBC", hdr, hsearch) - end - - if hsearch - $defs << hsearch - @defs = hsearch - end - $defs << '-DDBM_HDR="<'+hdr+'>"' - @found << hdr - - puts "header: #{hdr}" - puts "library: #{db}" - - true -end - -if dblib.any? {|db| headers.fetch(db, ["ndbm.h"]).any? {|hdr| headers.db_check(db, hdr) } } - have_header("cdefs.h") - have_header("sys/cdefs.h") - have_func("dbm_pagfno((DBM *)0)", headers.found, headers.defs) - have_func("dbm_dirfno((DBM *)0)", headers.found, headers.defs) - convertible_int("datum.dsize", headers.found, headers.defs) - checking_for("sizeof(DBM) is available") { - if try_compile(<<SRC) -#ifdef HAVE_CDEFS_H -# include <cdefs.h> -#endif -#ifdef HAVE_SYS_CDEFS_H -# include <sys/cdefs.h> -#endif -#include DBM_HDR - -const int sizeof_DBM = (int)sizeof(DBM); -SRC - $defs << '-DDBM_SIZEOF_DBM=sizeof(DBM)' - else - $defs << '-DDBM_SIZEOF_DBM=0' - end - } - create_makefile("dbm") -end -# :startdoc: |