92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* Implementation of the GETLOG g77 intrinsic.
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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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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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/* Windows32 version */
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#if defined __MINGW32__ && !defined HAVE_GETLOGIN
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <lmcons.h> /* for UNLEN */
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static char *
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w32_getlogin (void)
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{
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static char name [UNLEN + 1];
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DWORD namelen = sizeof (name);
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GetUserName (name, &namelen);
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return (name[0] == 0 ? NULL : name);
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}
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#undef getlogin
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#define getlogin w32_getlogin
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#define HAVE_GETLOGIN 1
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#endif
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/* GETLOG (LOGIN), g77 intrinsic for retrieving the login name for the
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process.
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CHARACTER(len=*), INTENT(OUT) :: LOGIN */
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#ifdef HAVE_GETLOGIN
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void PREFIX(getlog) (char *, gfc_charlen_type);
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export_proto_np(PREFIX(getlog));
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void
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PREFIX(getlog) (char * login, gfc_charlen_type login_len)
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{
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int p_len;
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char *p;
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memset (login, ' ', login_len); /* Blank the string. */
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p = getlogin ();
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if (p == NULL)
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return;
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p_len = strlen (p);
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if (login_len < p_len)
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memcpy (login, p, login_len);
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else
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memcpy (login, p, p_len);
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}
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#endif
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