a119fc1ca8
* intrinsic.c (add_functions): Add ACCESS, CHMOD, RSHIFT, LSHIFT. (add_subroutines): Add LTIME, GMTIME and CHMOD. * intrinsic.h (gfc_check_access_func, gfc_check_chmod, gfc_check_chmod_sub, gfc_check_ltime_gmtime, gfc_simplify_rshift, gfc_simplify_lshift, gfc_resolve_access, gfc_resolve_chmod, gfc_resolve_rshift, gfc_resolve_lshift, gfc_resolve_chmod_sub, gfc_resolve_gmtime, gfc_resolve_ltime): Add prototypes. * gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_ACCESS, GFC_ISYM_CHMOD, GFC_ISYM_LSHIFT, GFC_ISYM_RSHIFT. * iresolve.c (gfc_resolve_access, gfc_resolve_chmod, gfc_resolve_rshift, gfc_resolve_lshift, gfc_resolve_chmod_sub, gfc_resolve_gmtime, gfc_resolve_ltime): New functions. * check.c (gfc_check_access_func, gfc_check_chmod, gfc_check_chmod_sub, gfc_check_ltime_gmtime): New functions. * trans-intrinsic.c (gfc_conv_intrinsic_rlshift): New function. (gfc_conv_intrinsic_function): Add cases for the new GFC_ISYM_*. * intrinsics/date_and_time.c: Add functions for GMTIME and LTIME. * intrinsics/access.c: New file. * intrinsics/chmod.c: New file. * configure.ac: Add checks for <sys/wait.h>, access, fork,execl and wait. * Makefile.am: Add new files intrinsics/access.c and intrinsics/chmod.c. * configure: Regenerate. * config.h.in: Regenerate. * Makefile.in: Regenerate. * gcc/testsuite/gfortran.dg/chmod_3.f90: New test. * gcc/testsuite/gfortran.dg/ltime_gmtime_1.f90: New test. * gcc/testsuite/gfortran.dg/ltime_gmtime_2.f90: New test. * gcc/testsuite/gfortran.dg/lrshift_1.f90: New test. * gcc/testsuite/gfortran.dg/chmod_1.f90: New test. * gcc/testsuite/gfortran.dg/chmod_2.f90: New test. From-SVN: r115825
132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/* Implementation of the CHMOD intrinsic.
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Copyright (C) 2006 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 <errno.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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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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/* INTEGER FUNCTION ACCESS(NAME, MODE)
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CHARACTER(len=*), INTENT(IN) :: NAME, MODE */
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#if defined(HAVE_FORK) && defined(HAVE_EXECL) && defined(HAVE_WAIT)
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extern int chmod_func (char *, char *, gfc_charlen_type, gfc_charlen_type);
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export_proto(chmod_func);
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int
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chmod_func (char *name, char *mode, gfc_charlen_type name_len,
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gfc_charlen_type mode_len)
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{
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char * file, * m;
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pid_t pid;
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int status;
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/* Trim trailing spaces. */
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while (name_len > 0 && name[name_len - 1] == ' ')
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name_len--;
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while (mode_len > 0 && mode[mode_len - 1] == ' ')
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mode_len--;
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/* Make a null terminated copy of the strings. */
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file = gfc_alloca (name_len + 1);
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memcpy (file, name, name_len);
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file[name_len] = '\0';
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m = gfc_alloca (mode_len + 1);
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memcpy (m, mode, mode_len);
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m[mode_len]= '\0';
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/* Execute /bin/chmod. */
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if ((pid = fork()) < 0)
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return errno;
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if (pid == 0)
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{
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/* Child process. */
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execl ("/bin/chmod", "chmod", m, file, (char *) NULL);
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return errno;
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}
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else
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wait (&status);
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if (WIFEXITED(status))
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return WEXITSTATUS(status);
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else
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return -1;
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}
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extern void chmod_i4_sub (char *, char *, GFC_INTEGER_4 *,
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gfc_charlen_type, gfc_charlen_type);
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export_proto(chmod_i4_sub);
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void
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chmod_i4_sub (char *name, char *mode, GFC_INTEGER_4 * status,
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gfc_charlen_type name_len, gfc_charlen_type mode_len)
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{
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int val;
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val = chmod_func (name, mode, name_len, mode_len);
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if (status)
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*status = val;
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}
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extern void chmod_i8_sub (char *, char *, GFC_INTEGER_8 *,
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gfc_charlen_type, gfc_charlen_type);
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export_proto(chmod_i8_sub);
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void
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chmod_i8_sub (char *name, char *mode, GFC_INTEGER_8 * status,
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gfc_charlen_type name_len, gfc_charlen_type mode_len)
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{
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int val;
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val = chmod_func (name, mode, name_len, mode_len);
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if (status)
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*status = val;
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}
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#endif
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