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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef ISC_MSGCAT_H
#define ISC_MSGCAT_H 1
/*****
***** Module Info
*****/
/*! \file isc/msgcat.h
* \brief The ISC Message Catalog
* aids internationalization of applications by allowing
* messages to be retrieved from locale-specific files instead of
* hardwiring them into the application. This allows translations of
* messages appropriate to the locale to be supplied without recompiling
* the application.
*
* Notes:
*\li It's very important that message catalogs work, even if only the
* default_text can be used.
*
* MP:
*\li The caller must ensure appropriate synchronization of
* isc_msgcat_open() and isc_msgcat_close(). isc_msgcat_get()
* ensures appropriate synchronization.
*
* Reliability:
*\li No anticipated impact.
*
* Resources:
*\li TBS
*
* \li Security:
* No anticipated impact.
*
* \li Standards:
* None.
*/
/*****
***** Imports
*****/
#include <isc/lang.h>
#include <isc/types.h>
ISC_LANG_BEGINDECLS
/*****
***** Methods
*****/
void
isc_msgcat_open(const char *name, isc_msgcat_t **msgcatp);
/*%<
* Open a message catalog.
*
* Notes:
*
*\li If memory cannot be allocated or other failures occur, *msgcatp
* will be set to NULL. If a NULL msgcat is given to isc_msgcat_get(),
* the default_text will be returned, ensuring that some message text
* will be available, no matter what's going wrong.
*
* Requires:
*
*\li 'name' is a valid string.
*
*\li msgcatp != NULL && *msgcatp == NULL
*/
void
isc_msgcat_close(isc_msgcat_t **msgcatp);
/*%<
* Close a message catalog.
*
* Notes:
*
*\li Any string pointers returned by prior calls to isc_msgcat_get() are
* invalid after isc_msgcat_close() has been called and must not be
* used.
*
* Requires:
*
*\li *msgcatp is a valid message catalog or is NULL.
*
* Ensures:
*
*\li All resources associated with the message catalog are released.
*
*\li *msgcatp == NULL
*/
const char *
isc_msgcat_get(isc_msgcat_t *msgcat, int set, int message,
const char *default_text);
/*%<
* Get message 'message' from message set 'set' in 'msgcat'. If it
* is not available, use 'default_text'.
*
* Requires:
*
*\li 'msgcat' is a valid message catalog or is NULL.
*
*\li set > 0
*
*\li message > 0
*
*\li 'default_text' is a valid string.
*/
ISC_LANG_ENDDECLS
#endif /* ISC_MSGCAT_H */
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