mirror of https://github.com/djcb/mu.git
265 lines
5.9 KiB
C
265 lines
5.9 KiB
C
/*
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** Copyright (C) 2011 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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#if HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <mu-runtime.h>
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#include <mu-store.h>
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#include <mu-query.h>
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#include "mu-guile-util.h"
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#include "mu-guile-msg.h"
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struct _MuData {
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MuQuery *_query;
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};
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typedef struct _MuData MuData;
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static MuData *MU_DATA = NULL;
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static gboolean
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init_mu (const char *muhome)
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{
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MuStore *store;
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MuQuery *query;
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GError *err;
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g_return_val_if_fail (!MU_DATA, FALSE);
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if (!mu_runtime_init (muhome, "guile"))
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return FALSE;
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store = mu_store_new_read_only (mu_runtime_path(MU_RUNTIME_PATH_XAPIANDB),
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&err);
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if (!store) {
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mu_guile_util_g_error (__FUNCTION__, err);
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g_clear_error (&err);
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return FALSE;
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}
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query = mu_query_new (store, &err);
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mu_store_unref (store);
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if (!query) {
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mu_guile_util_g_error (__FUNCTION__, err);
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g_clear_error (&err);
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return FALSE;
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}
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MU_DATA = g_new0 (MuData, 1);
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MU_DATA->_query = query;
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return TRUE;
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}
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static void
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uninit_mu (void)
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{
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g_return_if_fail (MU_DATA);
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mu_query_destroy (MU_DATA->_query);
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g_free (MU_DATA);
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MU_DATA = NULL;
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mu_runtime_uninit ();
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}
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SCM_DEFINE_PUBLIC (mu_initialize, "initialize-mu", 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 "
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"should be an absolute path to your mu home directory "
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"(typically, the default, ~/.mu, should be just fine)")
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#define FUNC_NAME s_mu_initialize
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{
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const char *muhome;
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SCM_ASSERT (scm_is_string (MUHOME) || SCM_UNBNDP(MUHOME),
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MUHOME, SCM_ARG1, FUNC_NAME);
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if (MU_DATA)
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return mu_guile_util_error (FUNC_NAME, 0, "Already initialized",
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SCM_BOOL_F);
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muhome = SCM_UNBNDP(MUHOME) ? NULL : scm_to_utf8_string (MUHOME);
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if (!init_mu (muhome))
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return mu_guile_util_error (FUNC_NAME, 0, "Failed to initialize mu",
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SCM_BOOL_F);
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/* cleanup when we're exiting */
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g_atexit (uninit_mu);
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return SCM_BOOL_T;
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}
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#undef FUNC_NAME
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SCM_DEFINE_PUBLIC (mu_initialized_p, "initialized-mu?", 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_DATA ? SCM_BOOL_T : SCM_BOOL_F;
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}
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#undef FUNC_NAME
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static MuMsgIter*
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get_query_iter (MuQuery *query, const char* expr)
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{
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MuMsgIter *iter;
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GError *err;
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err = NULL;
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iter = mu_query_run (query, expr,
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FALSE, MU_MSG_FIELD_ID_NONE, TRUE, -1, &err);
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if (!iter) {
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mu_guile_util_g_error ("<internal error>", err);
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g_clear_error (&err);
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}
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return iter;
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}
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static void
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call_func (SCM FUNC, MuMsgIter *iter, const char* func_name)
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{
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SCM msgsmob;
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MuMsg *msg;
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msg = mu_msg_iter_get_msg_floating (iter); /* don't unref */
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msgsmob = mu_guile_msg_to_scm (mu_msg_ref(msg));
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scm_call_1 (FUNC, msgsmob);
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}
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SCM_DEFINE_PUBLIC (for_each_message, "for-each-message", 1, 1, 0,
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(SCM FUNC, SCM EXPR),
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"Call FUNC for each message in the message store. If search expression EXPR "
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"is specified, limit this to messages matching EXPR\n")
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#define FUNC_NAME s_for_each_message
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{
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MuMsgIter *iter;
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int count;
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const char* expr;
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SCM_ASSERT (scm_procedure_p (FUNC), FUNC, SCM_ARG1, FUNC_NAME);
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SCM_ASSERT (SCM_UNBNDP(EXPR) || scm_is_string (EXPR),
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EXPR, SCM_ARG2, FUNC_NAME);
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if (!MU_DATA)
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return mu_guile_util_error (FUNC_NAME, 0, "mu not initialized",
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SCM_UNDEFINED);
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/* note, "" matches *all* messages */
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expr = SCM_UNBNDP(EXPR) ? "" : scm_to_utf8_string(EXPR);
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iter = get_query_iter (MU_DATA->_query, expr);
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if (!iter)
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return SCM_UNSPECIFIED;
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for (count = 0; !mu_msg_iter_is_done(iter); mu_msg_iter_next (iter)) {
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call_func (FUNC, iter, FUNC_NAME);
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++count;
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}
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return scm_from_int (count);
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}
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#undef FUNC_NAME
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enum _LogType {
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LOG_INFO,
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LOG_WARNING,
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LOG_CRITICAL
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};
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typedef enum _LogType LogType;
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static SCM
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write_log (LogType logtype, SCM FRM, SCM ARGS)
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#define FUNC_NAME __FUNCTION__
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{
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SCM str;
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SCM_ASSERT (scm_is_string(FRM), FRM, SCM_ARG1, "<write_log>");
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SCM_VALIDATE_REST_ARGUMENT(ARGS);
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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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gchar *output;
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output = scm_to_utf8_string (str);
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switch (logtype) {
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case LOG_INFO: g_message ("%s", output); break;
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case LOG_WARNING: g_warning ("%s", output); break;
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case LOG_CRITICAL: g_critical ("%s", output); break;
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}
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}
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return SCM_UNSPECIFIED;
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#undef FUNC_NAME
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}
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SCM_DEFINE_PUBLIC (log_info, "mu:log:info", 1, 0, 1, (SCM FRM, SCM ARGS),
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"log some message 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_info
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{
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return write_log (LOG_INFO, FRM, ARGS);
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}
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#undef FUNC_NAME
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SCM_DEFINE_PUBLIC (log_warning, "mu:log:warning", 1, 0, 1, (SCM FRM, SCM ARGS),
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"log some warning using a list of ARGS applied to FRM (in 'simple-format' "
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"notation).\n")
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#define FUNC_NAME s_warning
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{
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return write_log (LOG_WARNING, FRM, ARGS);
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}
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#undef FUNC_NAME
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SCM_DEFINE_PUBLIC (log_critical, "mu:log:critical", 1, 0, 1, (SCM FRM, SCM ARGS),
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"log some critical message 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_critical
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{
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return write_log (LOG_CRITICAL, FRM, ARGS);
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}
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#undef FUNC_NAME
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void*
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mu_guile_init (void *data)
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{
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#include "mu-guile.x"
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return NULL;
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}
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