<div dir="auto">Sure! I will send the patch to newlib and ask them if they need updated set of files inside libc/search.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 7 Jun, 2019, 10:29 PM Gedare Bloom, <<a href="mailto:gedare@rtems.org">gedare@rtems.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Thu, Jun 6, 2019 at 8:02 PM Vaibhav Gupta <<a href="mailto:vaibhavgupta40@gmail.com" target="_blank" rel="noreferrer">vaibhavgupta40@gmail.com</a>> wrote:<br>
><br>
> Please review the code so that I can send it to newlib-devel.<br>
><br>
> On Fri, Jun 7, 2019 at 7:22 AM Vaibhav Gupta <<a href="mailto:vaibhavgupta40@gmail.com" target="_blank" rel="noreferrer">vaibhavgupta40@gmail.com</a>> wrote:<br>
>><br>
>> ---<br>
>> newlib/libc/include/ndbm.h | 86 ++++++++++++++<br>
>> newlib/libc/posix/Makefile.am | 4 +-<br>
>> newlib/libc/posix/ndbm.c | 214 ++++++++++++++++++++++++++++++++++<br>
>> 3 files changed, 302 insertions(+), 2 deletions(-)<br>
>> create mode 100644 newlib/libc/include/ndbm.h<br>
>> create mode 100644 newlib/libc/posix/ndbm.c<br>
>><br>
>> diff --git a/newlib/libc/include/ndbm.h b/newlib/libc/include/ndbm.h<br>
>> new file mode 100644<br>
>> index 000000000..1fd5e5198<br>
>> --- /dev/null<br>
>> +++ b/newlib/libc/include/ndbm.h<br>
>> @@ -0,0 +1,86 @@<br>
>> +/*-<br>
>> + * SPDX-License-Identifier: BSD-3-Clause<br>
>> + *<br>
>> + * Copyright (c) 1990, 1993<br>
>> + * The Regents of the University of California. All rights reserved.<br>
>> + *<br>
>> + * This code is derived from software contributed to Berkeley by<br>
>> + * Margo Seltzer.<br>
>> + *<br>
>> + * Redistribution and use in source and binary forms, with or without<br>
>> + * modification, are permitted provided that the following conditions<br>
>> + * are met:<br>
>> + * 1. Redistributions of source code must retain the above copyright<br>
>> + * notice, this list of conditions and the following disclaimer.<br>
>> + * 2. Redistributions in binary form must reproduce the above copyright<br>
>> + * notice, this list of conditions and the following disclaimer in the<br>
>> + * documentation and/or other materials provided with the distribution.<br>
>> + * 3. Neither the name of the University nor the names of its contributors<br>
>> + * may be used to endorse or promote products derived from this software<br>
>> + * without specific prior written permission.<br>
>> + *<br>
>> + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND<br>
>> + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE<br>
>> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE<br>
>> + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE<br>
>> + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL<br>
>> + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS<br>
>> + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)<br>
>> + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT<br>
>> + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY<br>
>> + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF<br>
>> + * SUCH DAMAGE.<br>
>> + *<br>
>> + * @(#)ndbm.h 8.1 (Berkeley) 6/2/93<br>
>> + * $FreeBSD$<br>
>> + */<br>
>> +<br>
>> +#ifndef _NDBM_H_<br>
>> +#define _NDBM_H_<br>
>> +<br>
>> +#ifndef __DBINTERFACE_PRIVATE<br>
>> +#define __DBINTERFACE_PRIVATE<br>
>> +#endif<br>
><br>
> Included the above lines in ndbm.h, since __hash_open was under conditional compilation in db_local.h . Line 211 (<a href="https://github.com/VARoDeK/newlib/blob/master/newlib/libc/search/db_local.h" rel="noreferrer noreferrer" target="_blank">https://github.com/VARoDeK/newlib/blob/master/newlib/libc/search/db_local.h</a> ).<br>
>><br>
>> +<br>
>> +#include <db_local.h><br>
>> +<br>
>> +/* Map dbm interface onto db(3). */<br>
>> +#define DBM_RDONLY O_RDONLY<br>
>> +<br>
>> +/* Flags to dbm_store(). */<br>
>> +#define DBM_INSERT 0<br>
>> +#define DBM_REPLACE 1<br>
>> +<br>
>> +/*<br>
>> + * The db(3) support for ndbm always appends this suffix to the<br>
>> + * file name to avoid overwriting the user's original database.<br>
>> + */<br>
>> +#define DBM_SUFFIX ".db"<br>
>> +<br>
>> +typedef struct {<br>
>> + void *dptr;<br>
>> + int dsize; /* XXX Should be size_t according to 1003.1-2008. */<br>
>> +} datum;<br>
>> +<br>
>> +typedef DB DBM;<br>
>> +#define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE<br>
>> +<br>
>> +__BEGIN_DECLS<br>
>> +int dbm_clearerr(DBM *);<br>
>> +void dbm_close(DBM *);<br>
>> +int dbm_delete(DBM *, datum);<br>
>> +int dbm_error(DBM *);<br>
>> +datum dbm_fetch(DBM *, datum);<br>
>> +datum dbm_firstkey(DBM *);<br>
>> +#if __BSD_VISIBLE<br>
>> +long dbm_forder(DBM *, datum);<br>
>> +#endif<br>
>> +datum dbm_nextkey(DBM *);<br>
>> +DBM *dbm_open(const char *, int, mode_t);<br>
>> +int dbm_store(DBM *, datum, datum, int);<br>
>> +#if __BSD_VISIBLE<br>
>> +int dbm_dirfno(DBM *);<br>
>> +#endif<br>
>> +__END_DECLS<br>
>> +<br>
>> +#endif /* !_NDBM_H_ */<br>
>> diff --git a/newlib/libc/posix/Makefile.am b/newlib/libc/posix/Makefile.am<br>
>> index 6cdee1df0..01334c7fa 100644<br>
>> --- a/newlib/libc/posix/Makefile.am<br>
>> +++ b/newlib/libc/posix/Makefile.am<br>
>> @@ -2,12 +2,12 @@<br>
>><br>
>> AUTOMAKE_OPTIONS = cygnus<br>
>><br>
>> -INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)<br>
>> +INCLUDES = -I$(srcdir)/../search $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)<br>
>><br>
>> GENERAL_SOURCES = \<br>
>> closedir.c collate.c collcmp.c creat.c dirfd.c \<br>
>> fnmatch.c glob.c _isatty.c isatty.c \<br>
>> - opendir.c readdir.c readdir_r.c \<br>
>> + ndbm.c opendir.c readdir.c readdir_r.c \<br>
>> regcomp.c regerror.c regexec.c regfree.c \<br>
>> rewinddir.c sleep.c usleep.c \<br>
>> telldir.c<br>
>> diff --git a/newlib/libc/posix/ndbm.c b/newlib/libc/posix/ndbm.c<br>
>> new file mode 100644<br>
>> index 000000000..63e54df37<br>
>> --- /dev/null<br>
>> +++ b/newlib/libc/posix/ndbm.c<br>
>> @@ -0,0 +1,214 @@<br>
>> +/*-<br>
>> + * SPDX-License-Identifier: BSD-3-Clause<br>
>> + *<br>
>> + * Copyright (c) 1990, 1993<br>
>> + * The Regents of the University of California. All rights reserved.<br>
>> + *<br>
>> + * This code is derived from software contributed to Berkeley by<br>
>> + * Margo Seltzer.<br>
>> + *<br>
>> + * Redistribution and use in source and binary forms, with or without<br>
>> + * modification, are permitted provided that the following conditions<br>
>> + * are met:<br>
>> + * 1. Redistributions of source code must retain the above copyright<br>
>> + * notice, this list of conditions and the following disclaimer.<br>
>> + * 2. Redistributions in binary form must reproduce the above copyright<br>
>> + * notice, this list of conditions and the following disclaimer in the<br>
>> + * documentation and/or other materials provided with the distribution.<br>
>> + * 3. Neither the name of the University nor the names of its contributors<br>
>> + * may be used to endorse or promote products derived from this software<br>
>> + * without specific prior written permission.<br>
>> + *<br>
>> + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND<br>
>> + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE<br>
>> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE<br>
>> + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE<br>
>> + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL<br>
>> + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS<br>
>> + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)<br>
>> + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT<br>
>> + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY<br>
>> + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF<br>
>> + * SUCH DAMAGE.<br>
>> + */<br>
>> +<br>
>> +#if defined(LIBC_SCCS) && !defined(lint)<br>
>> +static char sccsid[] = "@(#)ndbm.c 8.4 (Berkeley) 7/21/94";<br>
>> +#endif /* LIBC_SCCS and not lint */<br>
>> +#include <sys/cdefs.h><br>
>> +__FBSDID("$FreeBSD$");<br>
>> +<br>
>> +/*<br>
>> + * This package provides a dbm compatible interface to the new hashing<br>
>> + * package described in db(3).<br>
>> + */<br>
>> +<br>
>> +#include <sys/param.h><br>
>> +<br>
>> +#include <stdio.h><br>
>> +#include <string.h><br>
>> +#include <errno.h><br>
>> +<br>
>> +#include <ndbm.h><br>
>> +#include <hash.h><br>
>> +<br>
>> +/*<br>
>> + * Returns:<br>
>> + * *DBM on success<br>
>> + * NULL on failure<br>
>> + */<br>
>> +extern DBM *<br>
>> +dbm_open(const char *file, int flags, mode_t mode)<br>
>> +{<br>
>> + HASHINFO info;<br>
>> + char path[MAXPATHLEN];<br>
>> +<br>
>> + info.bsize = 4096;<br>
>> + info.ffactor = 40;<br>
>> + info.nelem = 1;<br>
>> + info.cachesize = 0;<br>
>> + info.hash = NULL;<br>
>> + info.lorder = 0;<br>
>> +<br>
>> + if( strlen(file) >= sizeof(path) - strlen(DBM_SUFFIX)) {<br>
>> + errno = ENAMETOOLONG;<br>
>> + return(NULL);<br>
>> + }<br>
>> + (void)strcpy(path, file);<br>
>> + (void)strcat(path, DBM_SUFFIX);<br>
>> + return ((DBM *)__hash_open(path, flags, mode, 0, &info));<br>
><br>
> In ndbm.c,<br>
> The original code was: return ((DBM *)__hash_open(path, flags, mode, &info, 0));<br>
> But the declaration of this function in db_local.h is: __hash_open(const char *, int, int, int, const HASHINFO *);<br>
> hence changed the original code to: return ((DBM *)__hash_open(path, flags, mode, 0, &info));<br>
><br>
<br>
Should db_local.h be updated? how about hash.h? Maybe, the entire<br>
search.h should be updated to newer FreeBSD sources? This is probably<br>
something to discuss at newlib ML...<br>
<br>
>><br>
>> +}<br>
>> +<br>
>> +extern void<br>
>> +dbm_close(DBM *db)<br>
>> +{<br>
>> + (void)(db->close)(db);<br>
>> +}<br>
>> +<br>
>> +/*<br>
>> + * Returns:<br>
>> + * DATUM on success<br>
>> + * NULL on failure<br>
>> + */<br>
>> +extern datum<br>
>> +dbm_fetch(DBM *db, datum key)<br>
>> +{<br>
>> + datum retdata;<br>
>> + int status;<br>
>> + DBT dbtkey, dbtretdata;<br>
>> +<br>
>> + dbtkey.data = key.dptr;<br>
>> + dbtkey.size = key.dsize;<br>
>> + status = (db->get)(db, &dbtkey, &dbtretdata, 0);<br>
>> + if (status) {<br>
>> + dbtretdata.data = NULL;<br>
>> + dbtretdata.size = 0;<br>
>> + }<br>
>> + retdata.dptr = dbtretdata.data;<br>
>> + retdata.dsize = dbtretdata.size;<br>
>> + return (retdata);<br>
>> +}<br>
>> +<br>
>> +/*<br>
>> + * Returns:<br>
>> + * DATUM on success<br>
>> + * NULL on failure<br>
>> + */<br>
>> +extern datum<br>
>> +dbm_firstkey(DBM *db)<br>
>> +{<br>
>> + int status;<br>
>> + datum retkey;<br>
>> + DBT dbtretkey, dbtretdata;<br>
>> +<br>
>> + status = (db->seq)(db, &dbtretkey, &dbtretdata, R_FIRST);<br>
>> + if (status)<br>
>> + dbtretkey.data = NULL;<br>
>> + retkey.dptr = dbtretkey.data;<br>
>> + retkey.dsize = dbtretkey.size;<br>
>> + return (retkey);<br>
>> +}<br>
>> +<br>
>> +/*<br>
>> + * Returns:<br>
>> + * DATUM on success<br>
>> + * NULL on failure<br>
>> + */<br>
>> +extern datum<br>
>> +dbm_nextkey(DBM *db)<br>
>> +{<br>
>> + int status;<br>
>> + datum retkey;<br>
>> + DBT dbtretkey, dbtretdata;<br>
>> +<br>
>> + status = (db->seq)(db, &dbtretkey, &dbtretdata, R_NEXT);<br>
>> + if (status)<br>
>> + dbtretkey.data = NULL;<br>
>> + retkey.dptr = dbtretkey.data;<br>
>> + retkey.dsize = dbtretkey.size;<br>
>> + return (retkey);<br>
>> +}<br>
>> +<br>
>> +/*<br>
>> + * Returns:<br>
>> + * 0 on success<br>
>> + * <0 failure<br>
>> + */<br>
>> +extern int<br>
>> +dbm_delete(DBM *db, datum key)<br>
>> +{<br>
>> + int status;<br>
>> + DBT dbtkey;<br>
>> +<br>
>> + dbtkey.data = key.dptr;<br>
>> + dbtkey.size = key.dsize;<br>
>> + status = (db->del)(db, &dbtkey, 0);<br>
>> + if (status)<br>
>> + return (-1);<br>
>> + else<br>
>> + return (0);<br>
>> +}<br>
>> +<br>
>> +/*<br>
>> + * Returns:<br>
>> + * 0 on success<br>
>> + * <0 failure<br>
>> + * 1 if DBM_INSERT and entry exists<br>
>> + */<br>
>> +extern int<br>
>> +dbm_store(DBM *db, datum key, datum data, int flags)<br>
>> +{<br>
>> + DBT dbtkey, dbtdata;<br>
>> +<br>
>> + dbtkey.data = key.dptr;<br>
>> + dbtkey.size = key.dsize;<br>
>> + dbtdata.data = data.dptr;<br>
>> + dbtdata.size = data.dsize;<br>
>> + return ((db->put)(db, &dbtkey, &dbtdata,<br>
>> + (flags == DBM_INSERT) ? R_NOOVERWRITE : 0));<br>
>> +}<br>
>> +<br>
>> +extern int<br>
>> +dbm_error(DBM *db)<br>
>> +{<br>
>> + HTAB *hp;<br>
>> +<br>
>> + hp = (HTAB *)db->internal;<br>
>> + return (hp->error);<br>
>> +}<br>
>> +<br>
>> +extern int<br>
>> +dbm_clearerr(DBM *db)<br>
>> +{<br>
>> + HTAB *hp;<br>
>> +<br>
>> + hp = (HTAB *)db->internal;<br>
>> + hp->error = 0;<br>
>> + return (0);<br>
>> +}<br>
>> +<br>
>> +extern int<br>
>> +dbm_dirfno(DBM *db)<br>
>> +{<br>
>> + return(((HTAB *)db->internal)->fp);<br>
>> +}<br>
>> --<br>
>> 2.21.0<br>
>><br>
> _______________________________________________<br>
> devel mailing list<br>
> <a href="mailto:devel@rtems.org" target="_blank" rel="noreferrer">devel@rtems.org</a><br>
> <a href="http://lists.rtems.org/mailman/listinfo/devel" rel="noreferrer noreferrer" target="_blank">http://lists.rtems.org/mailman/listinfo/devel</a><br>
</blockquote></div>