[PATCH v2] port ndbm

Vaibhav Gupta vaibhavgupta40 at gmail.com
Wed Jun 26 20:41:20 UTC 2019


Hello Gedare,
as you suggested, to use the group name of patch as 'newlib'.
I did that and then removed the line    "%patch setup newlib -p1"
It has generated ndbm.h in include directory.

Vaibhav Gupta

On Wed, Jun 26, 2019 at 8:41 PM Vaibhav Gupta <vaibhavgupta40 at gmail.com>
wrote:

>
>
> On Wed, Jun 26, 2019 at 8:35 PM Vaibhav Gupta <vaibhavgupta40 at gmail.com>
> wrote:
>
>> Hello,
>>
>> Newlib is compiling successfully.
>> But when i applied patch to RSB. It is not generating     ndbm.h
>> inside   rtems/5/sparc-rtem5/include     this time.
>>
>> I am following same steps again which I followed that day when ndbm.h was
>> successfully generated.
>> Below are the log files generated by rsb build.
>>
> Although, before testing, I update RSB today    (git pull). I figured that
> the configuration file, used by rsb for newlib, is now changed.
> .
> So i updated my steps accordingly. That is, I added the patch in that new
> configuration file.
> .
> According to logs, patch is applied I guess, but it is not generating
> ndbm.h   in include directory.
>
>>
>> On Wed, Jun 26, 2019 at 8:32 PM Vaibhav Gupta <vaibhavgupta40 at gmail.com>
>> wrote:
>>
>>> ---
>>>  newlib/libc/include/ndbm.h     |  84 +++++++++++++
>>>  newlib/libc/search/Makefile.am |   1 +
>>>  newlib/libc/search/ndbm.c      | 215 +++++++++++++++++++++++++++++++++
>>>  3 files changed, 300 insertions(+)
>>>  create mode 100644 newlib/libc/include/ndbm.h
>>>  create mode 100644 newlib/libc/search/ndbm.c
>>>
>>> diff --git a/newlib/libc/include/ndbm.h b/newlib/libc/include/ndbm.h
>>> new file mode 100644
>>> index 000000000..3b42c60b0
>>> --- /dev/null
>>> +++ b/newlib/libc/include/ndbm.h
>>> @@ -0,0 +1,84 @@
>>> +/*-
>>> + * SPDX-License-Identifier: BSD-3-Clause
>>> + *
>>> + * Copyright (c) 1990, 1993
>>> + *     The Regents of the University of California.  All rights
>>> reserved.
>>> + *
>>> + * This code is derived from software contributed to Berkeley by
>>> + * Margo Seltzer.
>>> + *
>>> + * Redistribution and use in source and binary forms, with or without
>>> + * modification, are permitted provided that the following conditions
>>> + * are met:
>>> + * 1. Redistributions of source code must retain the above copyright
>>> + *    notice, this list of conditions and the following disclaimer.
>>> + * 2. Redistributions in binary form must reproduce the above copyright
>>> + *    notice, this list of conditions and the following disclaimer in
>>> the
>>> + *    documentation and/or other materials provided with the
>>> distribution.
>>> + * 3. Neither the name of the University nor the names of its
>>> contributors
>>> + *    may be used to endorse or promote products derived from this
>>> software
>>> + *    without specific prior written permission.
>>> + *
>>> + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS''
>>> AND
>>> + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>>> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>>> PURPOSE
>>> + * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
>>> LIABLE
>>> + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>>> CONSEQUENTIAL
>>> + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
>>> GOODS
>>> + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
>>> + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
>>> STRICT
>>> + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
>>> ANY WAY
>>> + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
>>> OF
>>> + * SUCH DAMAGE.
>>> + *
>>> + *     @(#)ndbm.h      8.1 (Berkeley) 6/2/93
>>> + * $FreeBSD$
>>> + */
>>> +
>>> +#ifndef _NDBM_H_
>>> +#define        _NDBM_H_
>>> +
>>> +#define __DBINTERFACE_PRIVATE
>>> +
>>> +/* Map dbm interface onto db(3). */
>>> +#define DBM_RDONLY     O_RDONLY
>>> +
>>> +/* Flags to dbm_store(). */
>>> +#define DBM_INSERT      0
>>> +#define DBM_REPLACE     1
>>> +
>>> +/*
>>> + * The db(3) support for ndbm always appends this suffix to the
>>> + * file name to avoid overwriting the user's original database.
>>> + */
>>> +#define        DBM_SUFFIX      ".db"
>>> +
>>> +typedef struct {
>>> +       void *dptr;
>>> +       int dsize;      /* XXX Should be size_t according to
>>> 1003.1-2008. */
>>> +} datum;
>>> +
>>> +struct __db;
>>> +typedef struct __db DB;
>>> +typedef DB DBM;
>>> +#define        dbm_pagfno(a)   DBM_PAGFNO_NOT_AVAILABLE
>>> +
>>> +__BEGIN_DECLS
>>> +int     dbm_clearerr(DBM *);
>>> +void    dbm_close(DBM *);
>>> +int     dbm_delete(DBM *, datum);
>>> +int     dbm_error(DBM *);
>>> +datum   dbm_fetch(DBM *, datum);
>>> +datum   dbm_firstkey(DBM *);
>>> +#if __BSD_VISIBLE
>>> +long    dbm_forder(DBM *, datum);
>>> +#endif
>>> +datum   dbm_nextkey(DBM *);
>>> +DBM    *dbm_open(const char *, int, mode_t);
>>> +int     dbm_store(DBM *, datum, datum, int);
>>> +#if __BSD_VISIBLE
>>> +int     dbm_dirfno(DBM *);
>>> +#endif
>>> +__END_DECLS
>>> +
>>> +#endif /* !_NDBM_H_ */
>>> diff --git a/newlib/libc/search/Makefile.am
>>> b/newlib/libc/search/Makefile.am
>>> index 98920c3f4..a61107fb9 100644
>>> --- a/newlib/libc/search/Makefile.am
>>> +++ b/newlib/libc/search/Makefile.am
>>> @@ -9,6 +9,7 @@ GENERAL_SOURCES = \
>>>         db_local.h \
>>>         extern.h \
>>>         hash.h \
>>> +       ndbm.c \
>>>         page.h \
>>>         qsort.c
>>>
>>> diff --git a/newlib/libc/search/ndbm.c b/newlib/libc/search/ndbm.c
>>> new file mode 100644
>>> index 000000000..8ac6d1f40
>>> --- /dev/null
>>> +++ b/newlib/libc/search/ndbm.c
>>> @@ -0,0 +1,215 @@
>>> +/*-
>>> + * SPDX-License-Identifier: BSD-3-Clause
>>> + *
>>> + * Copyright (c) 1990, 1993
>>> + *     The Regents of the University of California.  All rights
>>> reserved.
>>> + *
>>> + * This code is derived from software contributed to Berkeley by
>>> + * Margo Seltzer.
>>> + *
>>> + * Redistribution and use in source and binary forms, with or without
>>> + * modification, are permitted provided that the following conditions
>>> + * are met:
>>> + * 1. Redistributions of source code must retain the above copyright
>>> + *    notice, this list of conditions and the following disclaimer.
>>> + * 2. Redistributions in binary form must reproduce the above copyright
>>> + *    notice, this list of conditions and the following disclaimer in
>>> the
>>> + *    documentation and/or other materials provided with the
>>> distribution.
>>> + * 3. Neither the name of the University nor the names of its
>>> contributors
>>> + *    may be used to endorse or promote products derived from this
>>> software
>>> + *    without specific prior written permission.
>>> + *
>>> + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS''
>>> AND
>>> + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>>> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>>> PURPOSE
>>> + * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
>>> LIABLE
>>> + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>>> CONSEQUENTIAL
>>> + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
>>> GOODS
>>> + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
>>> + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
>>> STRICT
>>> + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
>>> ANY WAY
>>> + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
>>> OF
>>> + * SUCH DAMAGE.
>>> + */
>>> +
>>> +#if defined(LIBC_SCCS) && !defined(lint)
>>> +static char sccsid[] = "@(#)ndbm.c     8.4 (Berkeley) 7/21/94";
>>> +#endif /* LIBC_SCCS and not lint */
>>> +#include <sys/cdefs.h>
>>> +__FBSDID("$FreeBSD$");
>>> +
>>> +/*
>>> + * This package provides a dbm compatible interface to the new hashing
>>> + * package described in db(3).
>>> + */
>>> +
>>> +#include <sys/param.h>
>>> +
>>> +#include <stdio.h>
>>> +#include <string.h>
>>> +#include <errno.h>
>>> +
>>> +#include <ndbm.h>
>>> +#include "db_local.h"
>>> +#include "hash.h"
>>> +
>>> +/*
>>> + * Returns:
>>> + *     *DBM on success
>>> + *      NULL on failure
>>> + */
>>> +extern DBM *
>>> +dbm_open(const char *file, int flags, mode_t mode)
>>> +{
>>> +       HASHINFO info;
>>> +       char path[MAXPATHLEN];
>>> +
>>> +       info.bsize = 4096;
>>> +       info.ffactor = 40;
>>> +       info.nelem = 1;
>>> +       info.cachesize = 0;
>>> +       info.hash = NULL;
>>> +       info.lorder = 0;
>>> +
>>> +       if( strlen(file) >= sizeof(path) - strlen(DBM_SUFFIX)) {
>>> +               errno = ENAMETOOLONG;
>>> +               return(NULL);
>>> +       }
>>> +       (void)strcpy(path, file);
>>> +       (void)strcat(path, DBM_SUFFIX);
>>> +       return ((DBM *)__hash_open(path, flags, mode, 0, &info));
>>> +}
>>> +
>>> +extern void
>>> +dbm_close(DBM *db)
>>> +{
>>> +       (void)(db->close)(db);
>>> +}
>>> +
>>> +/*
>>> + * Returns:
>>> + *     DATUM on success
>>> + *     NULL on failure
>>> + */
>>> +extern datum
>>> +dbm_fetch(DBM *db, datum key)
>>> +{
>>> +       datum retdata;
>>> +       int status;
>>> +       DBT dbtkey, dbtretdata;
>>> +
>>> +       dbtkey.data = key.dptr;
>>> +       dbtkey.size = key.dsize;
>>> +       status = (db->get)(db, &dbtkey, &dbtretdata, 0);
>>> +       if (status) {
>>> +               dbtretdata.data = NULL;
>>> +               dbtretdata.size = 0;
>>> +       }
>>> +       retdata.dptr = dbtretdata.data;
>>> +       retdata.dsize = dbtretdata.size;
>>> +       return (retdata);
>>> +}
>>> +
>>> +/*
>>> + * Returns:
>>> + *     DATUM on success
>>> + *     NULL on failure
>>> + */
>>> +extern datum
>>> +dbm_firstkey(DBM *db)
>>> +{
>>> +       int status;
>>> +       datum retkey;
>>> +       DBT dbtretkey, dbtretdata;
>>> +
>>> +       status = (db->seq)(db, &dbtretkey, &dbtretdata, R_FIRST);
>>> +       if (status)
>>> +               dbtretkey.data = NULL;
>>> +       retkey.dptr = dbtretkey.data;
>>> +       retkey.dsize = dbtretkey.size;
>>> +       return (retkey);
>>> +}
>>> +
>>> +/*
>>> + * Returns:
>>> + *     DATUM on success
>>> + *     NULL on failure
>>> + */
>>> +extern datum
>>> +dbm_nextkey(DBM *db)
>>> +{
>>> +       int status;
>>> +       datum retkey;
>>> +       DBT dbtretkey, dbtretdata;
>>> +
>>> +       status = (db->seq)(db, &dbtretkey, &dbtretdata, R_NEXT);
>>> +       if (status)
>>> +               dbtretkey.data = NULL;
>>> +       retkey.dptr = dbtretkey.data;
>>> +       retkey.dsize = dbtretkey.size;
>>> +       return (retkey);
>>> +}
>>> +
>>> +/*
>>> + * Returns:
>>> + *      0 on success
>>> + *     <0 failure
>>> + */
>>> +extern int
>>> +dbm_delete(DBM *db, datum key)
>>> +{
>>> +       int status;
>>> +       DBT dbtkey;
>>> +
>>> +       dbtkey.data = key.dptr;
>>> +       dbtkey.size = key.dsize;
>>> +       status = (db->del)(db, &dbtkey, 0);
>>> +       if (status)
>>> +               return (-1);
>>> +       else
>>> +               return (0);
>>> +}
>>> +
>>> +/*
>>> + * Returns:
>>> + *      0 on success
>>> + *     <0 failure
>>> + *      1 if DBM_INSERT and entry exists
>>> + */
>>> +extern int
>>> +dbm_store(DBM *db, datum key, datum data, int flags)
>>> +{
>>> +       DBT dbtkey, dbtdata;
>>> +
>>> +       dbtkey.data = key.dptr;
>>> +       dbtkey.size = key.dsize;
>>> +       dbtdata.data = data.dptr;
>>> +       dbtdata.size = data.dsize;
>>> +       return ((db->put)(db, &dbtkey, &dbtdata,
>>> +           (flags == DBM_INSERT) ? R_NOOVERWRITE : 0));
>>> +}
>>> +
>>> +extern int
>>> +dbm_error(DBM *db)
>>> +{
>>> +       HTAB *hp;
>>> +
>>> +       hp = (HTAB *)db->internal;
>>> +       return (hp->error);
>>> +}
>>> +
>>> +extern int
>>> +dbm_clearerr(DBM *db)
>>> +{
>>> +       HTAB *hp;
>>> +
>>> +       hp = (HTAB *)db->internal;
>>> +       hp->error = 0;
>>> +       return (0);
>>> +}
>>> +
>>> +extern int
>>> +dbm_dirfno(DBM *db)
>>> +{
>>> +       return(((HTAB *)db->internal)->fp);
>>> +}
>>> --
>>> 2.21.0
>>>
>>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/devel/attachments/20190627/dbc9cc35/attachment-0002.html>


More information about the devel mailing list