---
 newlib/libc/include/ndbm.h    |  82 +++++++++++++
 newlib/libc/posix/Makefile.am |   4 +-
 newlib/libc/posix/ndbm.c      | 214 ++++++++++++++++++++++++++++++++++
 3 files changed, 298 insertions(+), 2 deletions(-)
 create mode 100644 newlib/libc/include/ndbm.h
 create mode 100644 newlib/libc/posix/ndbm.c

diff --git a/newlib/libc/include/ndbm.h b/newlib/libc/include/ndbm.h
new file mode 100644
index 000000000..fe9668c3a
--- /dev/null
+++ b/newlib/libc/include/ndbm.h
@@ -0,0 +1,82 @@
+/*-
+ * 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_
+
+#include <db_local.h>
+
+/* 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;
+
+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/posix/Makefile.am b/newlib/libc/posix/Makefile.am
index 6cdee1df0..be1b38f28 100644
--- a/newlib/libc/posix/Makefile.am
+++ b/newlib/libc/posix/Makefile.am
@@ -2,7 +2,7 @@
 
 AUTOMAKE_OPTIONS = cygnus
 
-INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
+INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) 
-I$(top_srcdir)/search
 
 GENERAL_SOURCES = \
        closedir.c collate.c collcmp.c creat.c dirfd.c \
@@ -10,7 +10,7 @@ GENERAL_SOURCES = \
        opendir.c readdir.c readdir_r.c \
        regcomp.c regerror.c regexec.c regfree.c \
        rewinddir.c sleep.c usleep.c \
-       telldir.c
+       telldir.c ndbm.c
 
 ELIX_2_SOURCES = \
         scandir.c seekdir.c
diff --git a/newlib/libc/posix/ndbm.c b/newlib/libc/posix/ndbm.c
new file mode 100644
index 000000000..ced00d04d
--- /dev/null
+++ b/newlib/libc/posix/ndbm.c
@@ -0,0 +1,214 @@
+/*-
+ * 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 <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, &info, 0));
+}
+
+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

_______________________________________________
devel mailing list
devel@rtems.org
http://lists.rtems.org/mailman/listinfo/devel

Reply via email to