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25fc05eb62
* intrinsic.c (add_functions): Add function version of TTYNAM. * intrinsic.h: Add prototypes for gfc_check_ttynam and gfc_resolve_ttynam. * gfortran.h: Add case for GFC_ISYM_TTYNAM. * iresolve.c (gfc_resolve_ttynam): New function. * trans-decl.c (gfc_build_intrinsic_function_decls): Add a tree for function call to library ttynam. * check.c (gfc_check_ttynam): New function. * trans-intrinsic.c (gfc_conv_intrinsic_ttynam): New function. (): Call gfc_conv_intrinsic_ttynam. * trans.h: Add prototype for gfor_fndecl_ttynam. * intrinsics/tty.c (ttynam): New function. From-SVN: r106522
124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
/* Implementation of the ISATTY and TTYNAM g77 intrinsics.
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Copyright (C) 2005 Free Software Foundation, Inc.
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Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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Libgfortran 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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You should have received a copy of the GNU General Public
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License along with libgfortran; see the file COPYING. If not,
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write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "config.h"
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#include "libgfortran.h"
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#include "../io/io.h"
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#include <string.h>
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/* LOGICAL FUNCTION ISATTY(UNIT)
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INTEGER, INTENT(IN) :: UNIT */
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extern GFC_LOGICAL_4 isatty_l4 (int *);
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export_proto(isatty_l4);
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GFC_LOGICAL_4
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isatty_l4 (int *unit)
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{
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gfc_unit *u;
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u = find_unit (*unit);
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if (u != NULL)
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return (GFC_LOGICAL_4) stream_isatty (u->s);
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else
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return 0;
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}
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extern GFC_LOGICAL_8 isatty_l8 (int *);
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export_proto(isatty_l8);
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GFC_LOGICAL_8
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isatty_l8 (int *unit)
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{
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gfc_unit *u;
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u = find_unit (*unit);
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if (u != NULL)
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return (GFC_LOGICAL_8) stream_isatty (u->s);
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else
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return 0;
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}
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/* SUBROUTINE TTYNAM(UNIT,NAME)
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INTEGER,SCALAR,INTENT(IN) :: UNIT
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CHARACTER,SCALAR,INTENT(OUT) :: NAME */
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extern void ttynam_sub (int *, char *, gfc_charlen_type);
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export_proto(ttynam_sub);
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void
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ttynam_sub (int *unit, char * name, gfc_charlen_type name_len)
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{
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gfc_unit *u;
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char * n;
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int i;
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memset (name, ' ', name_len);
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u = find_unit (*unit);
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if (u != NULL)
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{
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n = stream_ttyname (u->s);
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if (n != NULL)
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{
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i = 0;
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while (*n && i < name_len)
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name[i++] = *(n++);
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}
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}
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}
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extern void ttynam (char **, gfc_charlen_type *, int);
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export_proto(ttynam);
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void
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ttynam (char ** name, gfc_charlen_type * name_len, int unit)
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{
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gfc_unit *u;
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u = find_unit (unit);
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if (u != NULL)
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{
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*name = stream_ttyname (u->s);
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if (*name != NULL)
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{
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*name_len = strlen (*name);
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*name = strdup (*name);
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return;
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}
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}
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*name_len = 0;
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*name = NULL;
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}
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