mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-29 08:34:56 +08:00
401cd90a90
* intrinsics/ftell.c (ftell, FTELL_SUB): Add unlock_unit call. * intrinsics/fget.c (fgetc, fputs): Likewise. * intrinsics/tty.c (ttynam): Likewise. From-SVN: r107595
133 lines
3.1 KiB
C
133 lines
3.1 KiB
C
/* Implementation of the ISATTY and TTYNAM g77 intrinsics.
|
|
Copyright (C) 2005 Free Software Foundation, Inc.
|
|
Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
|
|
|
|
This file is part of the GNU Fortran 95 runtime library (libgfortran).
|
|
|
|
Libgfortran is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
In addition to the permissions in the GNU General Public License, the
|
|
Free Software Foundation gives you unlimited permission to link the
|
|
compiled version of this file into combinations with other programs,
|
|
and to distribute those combinations without any restriction coming
|
|
from the use of this file. (The General Public License restrictions
|
|
do apply in other respects; for example, they cover modification of
|
|
the file, and distribution when not linked into a combine
|
|
executable.)
|
|
|
|
Libgfortran 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public
|
|
License along with libgfortran; see the file COPYING. If not,
|
|
write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
#include "config.h"
|
|
#include "libgfortran.h"
|
|
#include "../io/io.h"
|
|
|
|
#include <string.h>
|
|
|
|
/* LOGICAL FUNCTION ISATTY(UNIT)
|
|
INTEGER, INTENT(IN) :: UNIT */
|
|
|
|
extern GFC_LOGICAL_4 isatty_l4 (int *);
|
|
export_proto(isatty_l4);
|
|
|
|
GFC_LOGICAL_4
|
|
isatty_l4 (int *unit)
|
|
{
|
|
gfc_unit *u;
|
|
GFC_LOGICAL_4 ret = 0;
|
|
|
|
u = find_unit (*unit);
|
|
if (u != NULL)
|
|
{
|
|
ret = (GFC_LOGICAL_4) stream_isatty (u->s);
|
|
unlock_unit (u);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
extern GFC_LOGICAL_8 isatty_l8 (int *);
|
|
export_proto(isatty_l8);
|
|
|
|
GFC_LOGICAL_8
|
|
isatty_l8 (int *unit)
|
|
{
|
|
gfc_unit *u;
|
|
GFC_LOGICAL_8 ret = 0;
|
|
|
|
u = find_unit (*unit);
|
|
if (u != NULL)
|
|
{
|
|
ret = (GFC_LOGICAL_8) stream_isatty (u->s);
|
|
unlock_unit (u);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* SUBROUTINE TTYNAM(UNIT,NAME)
|
|
INTEGER,SCALAR,INTENT(IN) :: UNIT
|
|
CHARACTER,SCALAR,INTENT(OUT) :: NAME */
|
|
|
|
extern void ttynam_sub (int *, char *, gfc_charlen_type);
|
|
export_proto(ttynam_sub);
|
|
|
|
void
|
|
ttynam_sub (int *unit, char * name, gfc_charlen_type name_len)
|
|
{
|
|
gfc_unit *u;
|
|
char * n;
|
|
int i;
|
|
|
|
memset (name, ' ', name_len);
|
|
u = find_unit (*unit);
|
|
if (u != NULL)
|
|
{
|
|
n = stream_ttyname (u->s);
|
|
if (n != NULL)
|
|
{
|
|
i = 0;
|
|
while (*n && i < name_len)
|
|
name[i++] = *(n++);
|
|
}
|
|
unlock_unit (u);
|
|
}
|
|
}
|
|
|
|
|
|
extern void ttynam (char **, gfc_charlen_type *, int);
|
|
export_proto(ttynam);
|
|
|
|
void
|
|
ttynam (char ** name, gfc_charlen_type * name_len, int unit)
|
|
{
|
|
gfc_unit *u;
|
|
|
|
u = find_unit (unit);
|
|
if (u != NULL)
|
|
{
|
|
*name = stream_ttyname (u->s);
|
|
if (*name != NULL)
|
|
{
|
|
*name_len = strlen (*name);
|
|
*name = strdup (*name);
|
|
unlock_unit (u);
|
|
return;
|
|
}
|
|
unlock_unit (u);
|
|
}
|
|
|
|
*name_len = 0;
|
|
*name = NULL;
|
|
}
|