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/*
*+
* Name:
* fmocchan.c
* Purpose:
* Define a FORTRAN 77 interface to the AST MocChan class.
* Type of Module:
* C source file.
* Description:
* This file defines FORTRAN 77-callable C functions which provide
* a public FORTRAN 77 interface to the MocChan class.
* Routines Defined:
* AST_MOCCHAN
* AST_ISAMOCCHAN
* Copyright:
* Copyright (C) 2019 East Asian Observatory
* All Rights Reserved.
* Licence:
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 of the License, or (at your option) any later
* version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* License along with this program. If not, see
* <http://www.gnu.org/licenses/>.
* Authors:
* DSB: David S. Berry (EAO)
* History:
* 7-MAY-2019 (DSB):
* Original version.
*/
/* Define the astFORTRAN77 macro which prevents error messages from
AST C functions from reporting the file and line number where the
error occurred (since these would refer to this file, they would
not be useful). */
#define astFORTRAN77
/* Header files. */
/* ============= */
#include "f77.h" /* FORTRAN <-> C interface macros (SUN/209) */
#include "c2f77.h" /* F77 <-> C support functions/macros */
#include "error.h" /* Error reporting facilities */
#include "memory.h" /* Memory handling facilities */
#include "channel.h" /* Provides wrapper functions */
#include "mocchan.h" /* C interface to the MocChan class */
#include <stddef.h>
/* Prototypes for external functions. */
/* ================================== */
/* This is the null function defined by the FORTRAN interface in fobject.c. */
F77_SUBROUTINE(ast_null)( void );
/* FORTRAN interface functions. */
/* ============================ */
/* These functions implement the remainder of the FORTRAN interface. */
F77_INTEGER_FUNCTION(ast_mocchan)( void (* SOURCE)(),
void (* SINK)(),
CHARACTER(OPTIONS),
INTEGER(STATUS)
TRAIL(OPTIONS) ) {
GENPTR_CHARACTER(OPTIONS)
F77_INTEGER_TYPE(RESULT);
char *options;
const char *(* source)( void );
int i;
void (* sink)( const char * );
astAt( "AST_MOCCHAN", NULL, 0 );
astWatchSTATUS(
/* Set the source and sink function pointers to NULL if a pointer to
the null routine AST_NULL has been supplied. */
source = (const char *(*)( void )) SOURCE;
if ( source == (const char *(*)( void )) F77_EXTERNAL_NAME(ast_null) ) {
source = NULL;
}
sink = (void (*)( const char * )) SINK;
if ( sink == (void (*)( const char * )) F77_EXTERNAL_NAME(ast_null) ) {
sink = NULL;
}
options = astString( OPTIONS, OPTIONS_length );
/* Truncate the options string to exlucde any trailing spaces. */
astChrTrunc( options );
/* Change ',' to '\n' (see AST_SET in fobject.c for why). */
if ( astOK ) {
for ( i = 0; options[ i ]; i++ ) {
if ( options[ i ] == ',' ) options[ i ] = '\n';
}
}
RESULT = astP2I( astMocChanFor( source, astSourceWrap, sink, astSinkWrap,
"%s", options ) );
astFree( options );
)
return RESULT;
}
F77_LOGICAL_FUNCTION(ast_isamocchan)( INTEGER(THIS),
INTEGER(STATUS) ) {
GENPTR_INTEGER(THIS)
F77_LOGICAL_TYPE(RESULT);
astAt( "AST_ISAMOCCHAN", NULL, 0 );
astWatchSTATUS(
RESULT = astIsAMocChan( astI2P( *THIS ) ) ? F77_TRUE : F77_FALSE;
)
return RESULT;
}
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