diff options
Diffstat (limited to 'gcc-4.3.1/libgfortran/intrinsics/chdir.c')
-rw-r--r-- | gcc-4.3.1/libgfortran/intrinsics/chdir.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/gcc-4.3.1/libgfortran/intrinsics/chdir.c b/gcc-4.3.1/libgfortran/intrinsics/chdir.c new file mode 100644 index 000000000..c5eb13dd9 --- /dev/null +++ b/gcc-4.3.1/libgfortran/intrinsics/chdir.c @@ -0,0 +1,116 @@ +/* Implementation of the CHDIR intrinsic. + Copyright (C) 2005, 2007 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 "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 |