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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgfortran/] [intrinsics/] [chdir.c] - Rev 750
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/* Implementation of the CHDIR intrinsic. Copyright (C) 2005, 2007, 2009 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 3 of the License, or (at your option) any later version. 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. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ #include "libgfortran.h" #include <errno.h> #include <string.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif /* SUBROUTINE CHDIR(DIR, STATUS) CHARACTER(len=*), INTENT(IN) :: DIR INTEGER, INTENT(OUT), OPTIONAL :: STATUS */ #ifdef HAVE_CHDIR extern void chdir_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type); iexport_proto(chdir_i4_sub); void chdir_i4_sub (char *dir, GFC_INTEGER_4 *status, gfc_charlen_type dir_len) { int val; char *str; /* Trim trailing spaces from paths. */ while (dir_len > 0 && dir[dir_len - 1] == ' ') dir_len--; /* Make a null terminated copy of the strings. */ str = gfc_alloca (dir_len + 1); memcpy (str, dir, dir_len); str[dir_len] = '\0'; val = chdir (str); if (status != NULL) *status = (val == 0) ? 0 : errno; } iexport(chdir_i4_sub); extern void chdir_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type); iexport_proto(chdir_i8_sub); void chdir_i8_sub (char *dir, GFC_INTEGER_8 *status, gfc_charlen_type dir_len) { int val; char *str; /* Trim trailing spaces from paths. */ while (dir_len > 0 && dir[dir_len - 1] == ' ') dir_len--; /* Make a null terminated copy of the strings. */ str = gfc_alloca (dir_len + 1); memcpy (str, dir, dir_len); str[dir_len] = '\0'; val = chdir (str); if (status != NULL) *status = (val == 0) ? 0 : errno; } iexport(chdir_i8_sub); extern GFC_INTEGER_4 chdir_i4 (char *, gfc_charlen_type); export_proto(chdir_i4); GFC_INTEGER_4 chdir_i4 (char *dir, gfc_charlen_type dir_len) { GFC_INTEGER_4 val; chdir_i4_sub (dir, &val, dir_len); return val; } extern GFC_INTEGER_8 chdir_i8 (char *, gfc_charlen_type); export_proto(chdir_i8); GFC_INTEGER_8 chdir_i8 (char *dir, gfc_charlen_type dir_len) { GFC_INTEGER_8 val; chdir_i8_sub (dir, &val, dir_len); return val; } #endif
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