<div dir="ltr"><div>Please review the code so that I can send it to newlib-devel.<br></div><div dir="ltr"><div><b></b></div><div><b></b></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 7, 2019 at 7:22 AM Vaibhav Gupta <<a href="mailto:vaibhavgupta40@gmail.com">vaibhavgupta40@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">---<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></blockquote><div>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">https://github.com/VARoDeK/newlib/blob/master/newlib/libc/search/db_local.h</a> ).<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
+<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></blockquote><div><div>In ndbm.c,</div><div>The original code was: <b>return ((DBM *)__hash_open(path, flags, mode, &info, 0));</b></div><div>But the declaration of this function in db_local.h is: <b><span class="gmail-pl-en">__hash_open</span>(<span class="gmail-pl-k">const</span> <span class="gmail-pl-k">char</span> *, <span class="gmail-pl-k">int</span>, <span class="gmail-pl-k">int</span>, <span class="gmail-pl-k">int</span>, <span class="gmail-pl-k">const</span> HASHINFO *);</b></div><div> hence changed the original code to: <b>return ((DBM *)__hash_open(path, flags, mode, 0, &info));</b></div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
+}<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>
</blockquote></div></div>