bf3fb7e43c
* intrinsic.c (add_functions): Add INT2, SHORT, INT8, LONG, LSTAT, MCLOCK and MCLOCK8 intrinsic functions. (add_subroutines): Add LSTAT intrinsic subroutine. * gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_INT2, GFC_ISYM_INT8, GFC_ISYM_LONG, GFC_ISYM_LSTAT, GFC_ISYM_MCLOCK and GFC_ISYM_MCLOCK8. * iresolve.c (gfc_resolve_int2, gfc_resolve_int8, gfc_resolve_long, gfc_resolve_lstat, gfc_resolve_mclock, gfc_resolve_mclock8, gfc_resolve_lstat_sub): New functions. * check.c (gfc_check_intconv): New function. * trans-intrinsic.c (gfc_conv_intrinsic_function): Add cases for the added GFC_ISYM_*. * simplify.c (gfc_simplify_intconv, gfc_simplify_int2, gfc_simplify_int8, gfc_simplify_long): New functions. * intrinsic.h (gfc_check_intconv, gfc_simplify_int2, gfc_simplify_int8, gfc_simplify_long, gfc_resolve_int2, gfc_resolve_int8, gfc_resolve_long, gfc_resolve_lstat, gfc_resolve_mclock, gfc_resolve_mclock8, gfc_resolve_lstat_sub): Add prototypes. * gfortran.dg/mclock.f90: New test. * gfortran.dg/int_conv_1.f90: New test. * gfortran.dg/stat_1.f90: New test. * gfortran.dg/stat_2.f90: New test. * configure.ac: Check for function clock. * Makefile.am: Compile new file intrinsics/clock.c. * intrinsics/clock.c: New file. * Makefile.in: Regenerate. * configure: Regenerate. * config.h.in: Regenerate. * intrinsics/stat.c: Rename the old stat_i?_sub functions to helper functions stat_i?_sub_0, and use them for both STAT and LSTAT. From-SVN: r115754
549 lines
15 KiB
C
549 lines
15 KiB
C
/* Implementation of the STAT and FSTAT intrinsics.
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Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
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Contributed by Steven G. Kargl <kargls@comcast.net>.
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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_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include <errno.h>
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/* SUBROUTINE STAT(FILE, SARRAY, STATUS)
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CHARACTER(len=*), INTENT(IN) :: FILE
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INTEGER, INTENT(OUT), :: SARRAY(13)
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INTEGER, INTENT(OUT), OPTIONAL :: STATUS
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FUNCTION STAT(FILE, SARRAY)
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INTEGER STAT
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CHARACTER(len=*), INTENT(IN) :: FILE
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INTEGER, INTENT(OUT), :: SARRAY(13) */
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/*extern void stat_i4_sub_0 (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
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gfc_charlen_type, int);
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internal_proto(stat_i4_sub_0);*/
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static void
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stat_i4_sub_0 (char *name, gfc_array_i4 *sarray, GFC_INTEGER_4 *status,
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gfc_charlen_type name_len, int is_lstat)
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{
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int val;
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char *str;
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struct stat sb;
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/* If the rank of the array is not 1, abort. */
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if (GFC_DESCRIPTOR_RANK (sarray) != 1)
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runtime_error ("Array rank of SARRAY is not 1.");
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/* If the array is too small, abort. */
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if (sarray->dim[0].ubound + 1 - sarray->dim[0].lbound < 13)
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runtime_error ("Array size of SARRAY is too small.");
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/* Trim trailing spaces from name. */
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while (name_len > 0 && name[name_len - 1] == ' ')
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name_len--;
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/* Make a null terminated copy of the string. */
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str = gfc_alloca (name_len + 1);
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memcpy (str, name, name_len);
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str[name_len] = '\0';
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if (is_lstat)
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val = lstat(str, &sb);
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else
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val = stat(str, &sb);
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if (val == 0)
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{
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/* Device ID */
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sarray->data[0 * sarray->dim[0].stride] = sb.st_dev;
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/* Inode number */
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sarray->data[1 * sarray->dim[0].stride] = sb.st_ino;
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/* File mode */
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sarray->data[2 * sarray->dim[0].stride] = sb.st_mode;
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/* Number of (hard) links */
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sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink;
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/* Owner's uid */
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sarray->data[4 * sarray->dim[0].stride] = sb.st_uid;
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/* Owner's gid */
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sarray->data[5 * sarray->dim[0].stride] = sb.st_gid;
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/* ID of device containing directory entry for file (0 if not available) */
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#if HAVE_STRUCT_STAT_ST_RDEV
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sarray->data[6 * sarray->dim[0].stride] = sb.st_rdev;
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#else
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sarray->data[6 * sarray->dim[0].stride] = 0;
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#endif
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/* File size (bytes) */
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sarray->data[7 * sarray->dim[0].stride] = sb.st_size;
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/* Last access time */
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sarray->data[8 * sarray->dim[0].stride] = sb.st_atime;
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/* Last modification time */
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sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime;
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/* Last file status change time */
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sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime;
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/* Preferred I/O block size (-1 if not available) */
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#if HAVE_STRUCT_STAT_ST_BLKSIZE
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sarray->data[11 * sarray->dim[0].stride] = sb.st_blksize;
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#else
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sarray->data[11 * sarray->dim[0].stride] = -1;
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#endif
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/* Number of blocks allocated (-1 if not available) */
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#if HAVE_STRUCT_STAT_ST_BLOCKS
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sarray->data[12 * sarray->dim[0].stride] = sb.st_blocks;
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#else
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sarray->data[12 * sarray->dim[0].stride] = -1;
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#endif
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}
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if (status != NULL)
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*status = (val == 0) ? 0 : errno;
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}
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extern void stat_i4_sub (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
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gfc_charlen_type);
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iexport_proto(stat_i4_sub);
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void
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stat_i4_sub (char *name, gfc_array_i4 *sarray, GFC_INTEGER_4 *status,
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gfc_charlen_type name_len)
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{
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stat_i4_sub_0 (name, sarray, status, name_len, 0);
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}
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iexport(stat_i4_sub);
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extern void lstat_i4_sub (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
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gfc_charlen_type);
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iexport_proto(lstat_i4_sub);
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void
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lstat_i4_sub (char *name, gfc_array_i4 *sarray, GFC_INTEGER_4 *status,
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gfc_charlen_type name_len)
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{
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stat_i4_sub_0 (name, sarray, status, name_len, 1);
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}
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iexport(lstat_i4_sub);
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static void
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stat_i8_sub_0 (char *name, gfc_array_i8 *sarray, GFC_INTEGER_8 *status,
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gfc_charlen_type name_len, int is_lstat)
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{
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int val;
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char *str;
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struct stat sb;
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/* If the rank of the array is not 1, abort. */
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if (GFC_DESCRIPTOR_RANK (sarray) != 1)
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runtime_error ("Array rank of SARRAY is not 1.");
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/* If the array is too small, abort. */
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if (sarray->dim[0].ubound + 1 - sarray->dim[0].lbound < 13)
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runtime_error ("Array size of SARRAY is too small.");
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/* Trim trailing spaces from name. */
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while (name_len > 0 && name[name_len - 1] == ' ')
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name_len--;
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/* Make a null terminated copy of the string. */
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str = gfc_alloca (name_len + 1);
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memcpy (str, name, name_len);
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str[name_len] = '\0';
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if (is_lstat)
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val = lstat(str, &sb);
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else
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val = stat(str, &sb);
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if (val == 0)
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{
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/* Device ID */
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sarray->data[0] = sb.st_dev;
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/* Inode number */
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sarray->data[sarray->dim[0].stride] = sb.st_ino;
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/* File mode */
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sarray->data[2 * sarray->dim[0].stride] = sb.st_mode;
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/* Number of (hard) links */
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sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink;
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/* Owner's uid */
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sarray->data[4 * sarray->dim[0].stride] = sb.st_uid;
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/* Owner's gid */
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sarray->data[5 * sarray->dim[0].stride] = sb.st_gid;
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/* ID of device containing directory entry for file (0 if not available) */
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#if HAVE_STRUCT_STAT_ST_RDEV
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sarray->data[6 * sarray->dim[0].stride] = sb.st_rdev;
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#else
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sarray->data[6 * sarray->dim[0].stride] = 0;
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#endif
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/* File size (bytes) */
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sarray->data[7 * sarray->dim[0].stride] = sb.st_size;
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/* Last access time */
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sarray->data[8 * sarray->dim[0].stride] = sb.st_atime;
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/* Last modification time */
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sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime;
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/* Last file status change time */
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sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime;
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/* Preferred I/O block size (-1 if not available) */
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#if HAVE_STRUCT_STAT_ST_BLKSIZE
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sarray->data[11 * sarray->dim[0].stride] = sb.st_blksize;
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#else
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sarray->data[11 * sarray->dim[0].stride] = -1;
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#endif
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/* Number of blocks allocated (-1 if not available) */
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#if HAVE_STRUCT_STAT_ST_BLOCKS
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sarray->data[12 * sarray->dim[0].stride] = sb.st_blocks;
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#else
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sarray->data[12 * sarray->dim[0].stride] = -1;
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#endif
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}
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if (status != NULL)
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*status = (val == 0) ? 0 : errno;
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}
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extern void stat_i8_sub (char *, gfc_array_i8 *, GFC_INTEGER_8 *,
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gfc_charlen_type);
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iexport_proto(stat_i8_sub);
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void
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stat_i8_sub (char *name, gfc_array_i8 *sarray, GFC_INTEGER_8 *status,
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gfc_charlen_type name_len)
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{
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stat_i8_sub_0 (name, sarray, status, name_len, 0);
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}
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iexport(stat_i8_sub);
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extern void lstat_i8_sub (char *, gfc_array_i8 *, GFC_INTEGER_8 *,
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gfc_charlen_type);
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iexport_proto(lstat_i8_sub);
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void
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lstat_i8_sub (char *name, gfc_array_i8 *sarray, GFC_INTEGER_8 *status,
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gfc_charlen_type name_len)
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{
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stat_i8_sub_0 (name, sarray, status, name_len, 1);
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}
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iexport(lstat_i8_sub);
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extern GFC_INTEGER_4 stat_i4 (char *, gfc_array_i4 *, gfc_charlen_type);
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export_proto(stat_i4);
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GFC_INTEGER_4
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stat_i4 (char *name, gfc_array_i4 *sarray, gfc_charlen_type name_len)
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{
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GFC_INTEGER_4 val;
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stat_i4_sub (name, sarray, &val, name_len);
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return val;
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}
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extern GFC_INTEGER_8 stat_i8 (char *, gfc_array_i8 *, gfc_charlen_type);
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export_proto(stat_i8);
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GFC_INTEGER_8
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stat_i8 (char *name, gfc_array_i8 *sarray, gfc_charlen_type name_len)
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{
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GFC_INTEGER_8 val;
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stat_i8_sub (name, sarray, &val, name_len);
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return val;
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}
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/* SUBROUTINE STAT(FILE, SARRAY, STATUS)
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CHARACTER(len=*), INTENT(IN) :: FILE
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INTEGER, INTENT(OUT), :: SARRAY(13)
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INTEGER, INTENT(OUT), OPTIONAL :: STATUS
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FUNCTION STAT(FILE, SARRAY)
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INTEGER STAT
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CHARACTER(len=*), INTENT(IN) :: FILE
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INTEGER, INTENT(OUT), :: SARRAY(13) */
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extern GFC_INTEGER_4 lstat_i4 (char *, gfc_array_i4 *, gfc_charlen_type);
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export_proto(lstat_i4);
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GFC_INTEGER_4
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lstat_i4 (char *name, gfc_array_i4 *sarray, gfc_charlen_type name_len)
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{
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GFC_INTEGER_4 val;
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lstat_i4_sub (name, sarray, &val, name_len);
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return val;
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}
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extern GFC_INTEGER_8 lstat_i8 (char *, gfc_array_i8 *, gfc_charlen_type);
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export_proto(lstat_i8);
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GFC_INTEGER_8
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lstat_i8 (char *name, gfc_array_i8 *sarray, gfc_charlen_type name_len)
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{
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GFC_INTEGER_8 val;
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lstat_i8_sub (name, sarray, &val, name_len);
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return val;
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}
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/* SUBROUTINE FSTAT(UNIT, SARRAY, STATUS)
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INTEGER, INTENT(IN) :: UNIT
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INTEGER, INTENT(OUT) :: SARRAY(13)
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INTEGER, INTENT(OUT), OPTIONAL :: STATUS
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FUNCTION FSTAT(UNIT, SARRAY)
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INTEGER FSTAT
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INTEGER, INTENT(IN) :: UNIT
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INTEGER, INTENT(OUT) :: SARRAY(13) */
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extern void fstat_i4_sub (GFC_INTEGER_4 *, gfc_array_i4 *, GFC_INTEGER_4 *);
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iexport_proto(fstat_i4_sub);
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void
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fstat_i4_sub (GFC_INTEGER_4 *unit, gfc_array_i4 *sarray, GFC_INTEGER_4 *status)
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{
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int val;
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struct stat sb;
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/* If the rank of the array is not 1, abort. */
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if (GFC_DESCRIPTOR_RANK (sarray) != 1)
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runtime_error ("Array rank of SARRAY is not 1.");
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/* If the array is too small, abort. */
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if (sarray->dim[0].ubound + 1 - sarray->dim[0].lbound < 13)
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runtime_error ("Array size of SARRAY is too small.");
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/* Convert Fortran unit number to C file descriptor. */
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val = unit_to_fd (*unit);
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if (val >= 0)
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val = fstat(val, &sb);
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if (val == 0)
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{
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/* Device ID */
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sarray->data[0 * sarray->dim[0].stride] = sb.st_dev;
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/* Inode number */
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sarray->data[1 * sarray->dim[0].stride] = sb.st_ino;
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/* File mode */
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sarray->data[2 * sarray->dim[0].stride] = sb.st_mode;
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/* Number of (hard) links */
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sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink;
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/* Owner's uid */
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sarray->data[4 * sarray->dim[0].stride] = sb.st_uid;
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/* Owner's gid */
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sarray->data[5 * sarray->dim[0].stride] = sb.st_gid;
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/* ID of device containing directory entry for file (0 if not available) */
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#if HAVE_STRUCT_STAT_ST_RDEV
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sarray->data[6 * sarray->dim[0].stride] = sb.st_rdev;
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#else
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sarray->data[6 * sarray->dim[0].stride] = 0;
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#endif
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/* File size (bytes) */
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sarray->data[7 * sarray->dim[0].stride] = sb.st_size;
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/* Last access time */
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sarray->data[8 * sarray->dim[0].stride] = sb.st_atime;
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/* Last modification time */
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sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime;
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/* Last file status change time */
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sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime;
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/* Preferred I/O block size (-1 if not available) */
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#if HAVE_STRUCT_STAT_ST_BLKSIZE
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sarray->data[11 * sarray->dim[0].stride] = sb.st_blksize;
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#else
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sarray->data[11 * sarray->dim[0].stride] = -1;
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#endif
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/* Number of blocks allocated (-1 if not available) */
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#if HAVE_STRUCT_STAT_ST_BLOCKS
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sarray->data[12 * sarray->dim[0].stride] = sb.st_blocks;
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#else
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sarray->data[12 * sarray->dim[0].stride] = -1;
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#endif
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}
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if (status != NULL)
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*status = (val == 0) ? 0 : errno;
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}
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iexport(fstat_i4_sub);
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extern void fstat_i8_sub (GFC_INTEGER_8 *, gfc_array_i8 *, GFC_INTEGER_8 *);
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iexport_proto(fstat_i8_sub);
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void
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fstat_i8_sub (GFC_INTEGER_8 *unit, gfc_array_i8 *sarray, GFC_INTEGER_8 *status)
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{
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int val;
|
|
struct stat sb;
|
|
|
|
/* If the rank of the array is not 1, abort. */
|
|
if (GFC_DESCRIPTOR_RANK (sarray) != 1)
|
|
runtime_error ("Array rank of SARRAY is not 1.");
|
|
|
|
/* If the array is too small, abort. */
|
|
if (sarray->dim[0].ubound + 1 - sarray->dim[0].lbound < 13)
|
|
runtime_error ("Array size of SARRAY is too small.");
|
|
|
|
/* Convert Fortran unit number to C file descriptor. */
|
|
val = unit_to_fd ((int) *unit);
|
|
if (val >= 0)
|
|
val = fstat(val, &sb);
|
|
|
|
if (val == 0)
|
|
{
|
|
/* Device ID */
|
|
sarray->data[0] = sb.st_dev;
|
|
|
|
/* Inode number */
|
|
sarray->data[sarray->dim[0].stride] = sb.st_ino;
|
|
|
|
/* File mode */
|
|
sarray->data[2 * sarray->dim[0].stride] = sb.st_mode;
|
|
|
|
/* Number of (hard) links */
|
|
sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink;
|
|
|
|
/* Owner's uid */
|
|
sarray->data[4 * sarray->dim[0].stride] = sb.st_uid;
|
|
|
|
/* Owner's gid */
|
|
sarray->data[5 * sarray->dim[0].stride] = sb.st_gid;
|
|
|
|
/* ID of device containing directory entry for file (0 if not available) */
|
|
#if HAVE_STRUCT_STAT_ST_RDEV
|
|
sarray->data[6 * sarray->dim[0].stride] = sb.st_rdev;
|
|
#else
|
|
sarray->data[6 * sarray->dim[0].stride] = 0;
|
|
#endif
|
|
|
|
/* File size (bytes) */
|
|
sarray->data[7 * sarray->dim[0].stride] = sb.st_size;
|
|
|
|
/* Last access time */
|
|
sarray->data[8 * sarray->dim[0].stride] = sb.st_atime;
|
|
|
|
/* Last modification time */
|
|
sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime;
|
|
|
|
/* Last file status change time */
|
|
sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime;
|
|
|
|
/* Preferred I/O block size (-1 if not available) */
|
|
#if HAVE_STRUCT_STAT_ST_BLKSIZE
|
|
sarray->data[11 * sarray->dim[0].stride] = sb.st_blksize;
|
|
#else
|
|
sarray->data[11 * sarray->dim[0].stride] = -1;
|
|
#endif
|
|
|
|
/* Number of blocks allocated (-1 if not available) */
|
|
#if HAVE_STRUCT_STAT_ST_BLOCKS
|
|
sarray->data[12 * sarray->dim[0].stride] = sb.st_blocks;
|
|
#else
|
|
sarray->data[12 * sarray->dim[0].stride] = -1;
|
|
#endif
|
|
}
|
|
|
|
if (status != NULL)
|
|
*status = (val == 0) ? 0 : errno;
|
|
}
|
|
iexport(fstat_i8_sub);
|
|
|
|
extern GFC_INTEGER_4 fstat_i4 (GFC_INTEGER_4 *, gfc_array_i4 *);
|
|
export_proto(fstat_i4);
|
|
|
|
GFC_INTEGER_4
|
|
fstat_i4 (GFC_INTEGER_4 *unit, gfc_array_i4 *sarray)
|
|
{
|
|
GFC_INTEGER_4 val;
|
|
fstat_i4_sub (unit, sarray, &val);
|
|
return val;
|
|
}
|
|
|
|
extern GFC_INTEGER_8 fstat_i8 (GFC_INTEGER_8 *, gfc_array_i8 *);
|
|
export_proto(fstat_i8);
|
|
|
|
GFC_INTEGER_8
|
|
fstat_i8 (GFC_INTEGER_8 *unit, gfc_array_i8 *sarray)
|
|
{
|
|
GFC_INTEGER_8 val;
|
|
fstat_i8_sub (unit, sarray, &val);
|
|
return val;
|
|
}
|