Implement new dump format. Add new utilities: gdbm_dump and gdbm_load.

* configure.ac (AC_CHECK_HEADERS): Don't check for files that must
always be present.  Check for getopt.h.
(AC_CHECK_FUNCS): Add getopt_long
* src/systems.h: Include useless #if's.

* src/flatfile.c: Split into two files:
* src/gdbmexp.c: ... this and ...
* src/gdbmimp.c: .., this

* src/mem.c: New file.
* src/base64.c: New file.
* src/gdbm_dump.c: New file.
* src/gdbm_load.c: New file.
* src/gdbmapp.h: New file.
* src/gdbmdump.c: New file.
* src/gdbmload.c: New file.
* src/parseopt.c: New file.
* src/progname.c: New file.
* src/.cvsignore: Update.
* src/Makefile.am (libgdbm_la_SOURCES): Add new files.
(noinst_LIBRARIES): New variable. Build libgdbmapp.a.
(libgdbmapp_a_SOURCES): New variable.
(bin_PROGRAMS): Add gdbm_load and gdbm_dump
(testgdbm_LDADD, gdbm_load_LDADD)
(gdbm_dump_LDADD): Add ./libgdbmapp.a

* src/gdbm.h.in: Include <stdio.h>
(gdbm_export_to_file)
(gdbm_import_from_file): New prototypes.
(GDBM_DUMP_FMT_BINARY,GDBM_DUMP_FMT_ASCII): New constants.
(gdbm_dump,gdbm_load)
(gdbm_dump_to_file,gdbm_load_from_file): New prototypes.
(GDBM_NO_DBNAME): New error code.
(_GDBM_MAX_ERRNO): Update.
* src/gdbmdefs.h (_GDBM_MAX_DUMP_LINE_LEN): New constant.
* src/gdbmerrno.c (gdbm_errlist): Add entry for GDBM_NO_DBNAME.
* src/proto.h (_gdbm_base64_encode,_gdbm_base64_decode)
(_gdbm_load,_gdbm_dump): New prototypes.

* src/testgdbm.c: Use gdbmapp interface for option parsing.

* export/export.c: Include gdbmexp.c
* export/.cvsignore: Update.
* doc/gdbm.texinfo: Update.

1 files changed, 74 insertions, 0 deletions

diff --git a/src/mem.c b/src/mem.c
new file mode 100644
index 0000000..34c55f4
--- /dev/null
+++ b/src/mem.c
@@ -0,0 +1,74 @@
+/* This file is part of GDBM, the GNU data base manager.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+   GDBM is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   GDBM is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GDBM. If not, see <http://www.gnu.org/licenses/>.   */
+
+# include "autoconf.h"
+# include "gdbm.h"
+# include "gdbmapp.h"
+# include "gdbmdefs.h"
+
+void
+ealloc_die ()
+{
+  error ("%s", strerror (ENOMEM));
+  exit (1);
+}
+
+void *
+emalloc (size_t size)
+{
+  void *p = malloc (size);
+  if (!p)
+    ealloc_die ();
+  return p;
+}
+
+void *
+erealloc (void *ptr, size_t size)
+{
+  void *newptr = realloc (ptr, size);
+  if (!newptr)
+    ealloc_die ();
+  return newptr;
+}
+
+void *
+ecalloc (size_t nmemb, size_t size)
+{
+  void *p = calloc (nmemb, size);
+  if (!p)
+    ealloc_die ();
+  return p;
+}
+
+void *
+ezalloc (size_t size)
+{
+  return ecalloc (1, size);
+}
+
+char *
+estrdup (char *str)
+{
+  char *p;
+
+  if (!str)
+    return NULL;
+  p = emalloc (strlen (str) + 1);
+  strcpy (p, str);
+  return p;
+}
+
+