mirror of https://github.com/djcb/mu.git
242 lines
5.6 KiB
C++
242 lines
5.6 KiB
C++
/*
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** Copyright (C) 2011-2021 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#include "mu-guile.hh"
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#include <config.h>
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#include <locale.h>
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#include <glib-object.h>
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wredundant-decls"
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#include <libguile.h>
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#pragma GCC diagnostic pop
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#include <mu-runtime.hh>
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#include <mu-store.hh>
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#include <mu-query.hh>
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#include <mu-msg.hh>
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using namespace Mu;
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SCM
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mu_guile_scm_from_str (const char *str)
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{
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if (!str)
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return SCM_BOOL_F;
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else
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return scm_from_stringn (str, strlen(str), "UTF-8",
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SCM_FAILED_CONVERSION_QUESTION_MARK);
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}
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SCM
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mu_guile_error (const char *func_name, int status,
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const char *fmt, SCM args)
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{
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scm_error_scm (scm_from_locale_symbol ("MuError"),
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scm_from_utf8_string (func_name ? func_name : "<nameless>"),
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scm_from_utf8_string (fmt), args,
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scm_list_1 (scm_from_int (status)));
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return SCM_UNSPECIFIED;
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}
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SCM
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mu_guile_g_error (const char *func_name, GError *err)
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{
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scm_error_scm (scm_from_locale_symbol ("MuError"),
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scm_from_utf8_string (func_name),
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scm_from_utf8_string (err ? err->message : "error"),
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SCM_UNDEFINED, SCM_UNDEFINED);
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return SCM_UNSPECIFIED;
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}
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/* there can be only one */
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static std::unique_ptr<Mu::Store> StoreSingleton;
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static gboolean
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mu_guile_init_instance (const char *muhome) try
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{
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setlocale (LC_ALL, "");
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if (!mu_runtime_init (muhome, "guile", true) || StoreSingleton)
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return FALSE;
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StoreSingleton = std::make_unique<Mu::Store>(
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mu_runtime_path(MU_RUNTIME_PATH_XAPIANDB));
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g_debug ("mu-guile: opened store @ %s (n=%zu); maildir: %s",
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StoreSingleton->metadata().database_path.c_str(),
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StoreSingleton->size(),
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StoreSingleton->metadata().root_maildir.c_str());
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return TRUE;
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} catch (...) {
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return FALSE;
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}
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static void
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mu_guile_uninit_instance ()
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{
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StoreSingleton.reset();
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mu_runtime_uninit ();
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}
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Mu::Store&
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mu_guile_store ()
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{
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if (!StoreSingleton)
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g_error("mu guile not initialized");
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return *StoreSingleton.get();
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}
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gboolean
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mu_guile_initialized ()
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{
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g_debug ("initialized ? %u", !!StoreSingleton);
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return !!StoreSingleton;
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}
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SCM_DEFINE_PUBLIC (mu_initialize, "mu:initialize", 0, 1, 0,
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(SCM MUHOME),
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"Initialize mu - needed before you call any of the other "
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"functions. Optionally, you can provide MUHOME which should be an "
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"absolute path to your mu home directory "
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"-- typically, the default, ~/.cache/mu, should be just fine.")
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#define FUNC_NAME s_mu_initialize
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{
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char *muhome;
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gboolean rv;
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SCM_ASSERT (scm_is_string (MUHOME) || MUHOME == SCM_BOOL_F ||
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SCM_UNBNDP(MUHOME), MUHOME, SCM_ARG1, FUNC_NAME);
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if (mu_guile_initialized())
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return mu_guile_error (FUNC_NAME, 0, "Already initialized",
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SCM_UNSPECIFIED);
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if (SCM_UNBNDP(MUHOME) || MUHOME == SCM_BOOL_F)
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muhome = NULL;
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else
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muhome = scm_to_utf8_string (MUHOME);
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rv = mu_guile_init_instance (muhome);
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free (muhome);
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if (!rv)
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return mu_guile_error (FUNC_NAME, 0, "Failed to initialize mu",
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SCM_UNSPECIFIED);
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g_debug ("mu-guile: initialized @ %s (%p)",
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muhome ? muhome : "<default>", StoreSingleton.get());
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/* cleanup when we're exiting */
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atexit (mu_guile_uninit_instance);
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return SCM_UNSPECIFIED;
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}
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#undef FUNC_NAME
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SCM_DEFINE_PUBLIC (mu_initialized_p, "mu:initialized?", 0, 0, 0,
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(void), "Whether mu is initialized or not.\n")
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#define FUNC_NAME s_mu_initialized_p
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{
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return mu_guile_initialized() ? SCM_BOOL_T : SCM_BOOL_F;
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}
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#undef FUNC_NAME
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SCM_DEFINE (log_func, "mu:c:log", 1, 0, 1, (SCM LEVEL, SCM FRM, SCM ARGS),
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"log some message at LEVEL using a list of ARGS applied to FRM"
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"(in 'simple-format' notation).\n")
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#define FUNC_NAME s_log_func
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{
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gchar *output;
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SCM str;
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int level;
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SCM_ASSERT (scm_integer_p(LEVEL), LEVEL, SCM_ARG1, FUNC_NAME);
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SCM_ASSERT (scm_is_string(FRM), FRM, SCM_ARG2, "<write_log>");
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SCM_VALIDATE_REST_ARGUMENT(ARGS);
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level = scm_to_int (LEVEL);
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if (level != G_LOG_LEVEL_MESSAGE &&
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level != G_LOG_LEVEL_WARNING &&
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level != G_LOG_LEVEL_CRITICAL)
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return mu_guile_error (FUNC_NAME, 0, "invalid log level",
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SCM_UNSPECIFIED);
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str = scm_simple_format (SCM_BOOL_F, FRM, ARGS);
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if (!scm_is_string (str))
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return SCM_UNSPECIFIED;
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output = scm_to_utf8_string (str);
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g_log (G_LOG_DOMAIN, (GLogLevelFlags)level, "%s", output);
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free (output);
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return SCM_UNSPECIFIED;
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}
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#undef FUNC_NAME
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static struct {
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const char* name;
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unsigned val;
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} VAR_PAIRS[] = {
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{ "mu:message", G_LOG_LEVEL_MESSAGE },
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{ "mu:warning", G_LOG_LEVEL_WARNING },
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{ "mu:critical", G_LOG_LEVEL_CRITICAL }
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};
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static void
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define_vars (void)
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{
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unsigned u;
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for (u = 0; u != G_N_ELEMENTS(VAR_PAIRS); ++u) {
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scm_c_define (VAR_PAIRS[u].name,
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scm_from_uint (VAR_PAIRS[u].val));
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scm_c_export (VAR_PAIRS[u].name, NULL);
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}
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}
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void*
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mu_guile_init (void *data)
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{
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define_vars ();
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#ifndef SCM_MAGIC_SNARFER
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#include "mu-guile.x"
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#endif /*SCM_MAGIC_SNARFER*/
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return NULL;
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}
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