libgfortran/intrinsics/stat.c - gcc - Git at Google

 /* Implementation of the STAT and FSTAT intrinsics.
    Copyright (C) 2004-2019 Free Software Foundation, Inc.
    Contributed by Steven G. Kargl <kargls@comcast.net>.

 This file is part of the GNU Fortran 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>

 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif


 #ifdef HAVE_STAT

 /* SUBROUTINE STAT(FILE, SARRAY, STATUS)
    CHARACTER(len=*), INTENT(IN) :: FILE
    INTEGER, INTENT(OUT), :: SARRAY(13)
    INTEGER, INTENT(OUT), OPTIONAL :: STATUS

    FUNCTION STAT(FILE, SARRAY)
    INTEGER STAT
    CHARACTER(len=*), INTENT(IN) :: FILE
    INTEGER, INTENT(OUT), :: SARRAY(13)  */

 /*extern void stat_i4_sub_0 (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
 			   gfc_charlen_type, int);
 internal_proto(stat_i4_sub_0);*/

 static void
 stat_i4_sub_0 (char *name, gfc_array_i4 *sarray, GFC_INTEGER_4 *status,
 	       gfc_charlen_type name_len, int is_lstat __attribute__ ((unused)))
 {
   int val;
   char *str;
   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 (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
     runtime_error ("Array size of SARRAY is too small.");

   /* Make a null terminated copy of the string.  */
   str = fc_strdup (name, name_len);

   /* On platforms that don't provide lstat(), we use stat() instead.  */
 #ifdef HAVE_LSTAT
   if (is_lstat)
     val = lstat(str, &sb);
   else
 #endif
     val = stat(str, &sb);

   free (str);

   if (val == 0)
     {
       index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);

       /* Device ID  */
       sarray->base_addr[0 * stride] = sb.st_dev;

       /* Inode number  */
       sarray->base_addr[1 * stride] = sb.st_ino;

       /* File mode  */
       sarray->base_addr[2 * stride] = sb.st_mode;

       /* Number of (hard) links  */
       sarray->base_addr[3 * stride] = sb.st_nlink;

       /* Owner's uid  */
       sarray->base_addr[4 * stride] = sb.st_uid;

       /* Owner's gid  */
       sarray->base_addr[5 * stride] = sb.st_gid;

       /* ID of device containing directory entry for file (0 if not available) */
 #if HAVE_STRUCT_STAT_ST_RDEV
       sarray->base_addr[6 * stride] = sb.st_rdev;
 #else
       sarray->base_addr[6 * stride] = 0;
 #endif

       /* File size (bytes)  */
       sarray->base_addr[7 * stride] = sb.st_size;

       /* Last access time  */
       sarray->base_addr[8 * stride] = sb.st_atime;

       /* Last modification time  */
       sarray->base_addr[9 * stride] = sb.st_mtime;

       /* Last file status change time  */
       sarray->base_addr[10 * stride] = sb.st_ctime;

       /* Preferred I/O block size (-1 if not available)  */
 #if HAVE_STRUCT_STAT_ST_BLKSIZE
       sarray->base_addr[11 * stride] = sb.st_blksize;
 #else
       sarray->base_addr[11 * stride] = -1;
 #endif

       /* Number of blocks allocated (-1 if not available)  */
 #if HAVE_STRUCT_STAT_ST_BLOCKS
       sarray->base_addr[12 * stride] = sb.st_blocks;
 #else
       sarray->base_addr[12 * stride] = -1;
 #endif
     }

   if (status != NULL)
     *status = (val == 0) ? 0 : errno;
 }


 extern void stat_i4_sub (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
 			 gfc_charlen_type);
 iexport_proto(stat_i4_sub);

 void
 stat_i4_sub (char *name, gfc_array_i4 *sarray, GFC_INTEGER_4 *status,
 	     gfc_charlen_type name_len)
 {
   stat_i4_sub_0 (name, sarray, status, name_len, 0);
 }
 iexport(stat_i4_sub);


 extern void lstat_i4_sub (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
 			 gfc_charlen_type);
 iexport_proto(lstat_i4_sub);

 void
 lstat_i4_sub (char *name, gfc_array_i4 *sarray, GFC_INTEGER_4 *status,
 	     gfc_charlen_type name_len)
 {
   stat_i4_sub_0 (name, sarray, status, name_len, 1);
 }
 iexport(lstat_i4_sub);


 static void
 stat_i8_sub_0 (char *name, gfc_array_i8 *sarray, GFC_INTEGER_8 *status,
 	       gfc_charlen_type name_len, int is_lstat __attribute__ ((unused)))
 {
   int val;
   char *str;
   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 (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
     runtime_error ("Array size of SARRAY is too small.");

   /* Make a null terminated copy of the string.  */
   str = fc_strdup (name, name_len);

   /* On platforms that don't provide lstat(), we use stat() instead.  */
 #ifdef HAVE_LSTAT
   if (is_lstat)
     val = lstat(str, &sb);
   else
 #endif
     val = stat(str, &sb);

   free (str);

   if (val == 0)
     {
       index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);

       /* Device ID  */
       sarray->base_addr[0] = sb.st_dev;

       /* Inode number  */
       sarray->base_addr[stride] = sb.st_ino;

       /* File mode  */
       sarray->base_addr[2 * stride] = sb.st_mode;

       /* Number of (hard) links  */
       sarray->base_addr[3 * stride] = sb.st_nlink;

       /* Owner's uid  */
       sarray->base_addr[4 * stride] = sb.st_uid;

       /* Owner's gid  */
       sarray->base_addr[5 * stride] = sb.st_gid;

       /* ID of device containing directory entry for file (0 if not available) */
 #if HAVE_STRUCT_STAT_ST_RDEV
       sarray->base_addr[6 * stride] = sb.st_rdev;
 #else
       sarray->base_addr[6 * stride] = 0;
 #endif

       /* File size (bytes)  */
       sarray->base_addr[7 * stride] = sb.st_size;

       /* Last access time  */
       sarray->base_addr[8 * stride] = sb.st_atime;

       /* Last modification time  */
       sarray->base_addr[9 * stride] = sb.st_mtime;

       /* Last file status change time  */
       sarray->base_addr[10 * stride] = sb.st_ctime;

       /* Preferred I/O block size (-1 if not available)  */
 #if HAVE_STRUCT_STAT_ST_BLKSIZE
       sarray->base_addr[11 * stride] = sb.st_blksize;
 #else
       sarray->base_addr[11 * stride] = -1;
 #endif

       /* Number of blocks allocated (-1 if not available)  */
 #if HAVE_STRUCT_STAT_ST_BLOCKS
       sarray->base_addr[12 * stride] = sb.st_blocks;
 #else
       sarray->base_addr[12 * stride] = -1;
 #endif
     }

   if (status != NULL)
     *status = (val == 0) ? 0 : errno;
 }


 extern void stat_i8_sub (char *, gfc_array_i8 *, GFC_INTEGER_8 *,
 			 gfc_charlen_type);
 iexport_proto(stat_i8_sub);

 void
 stat_i8_sub (char *name, gfc_array_i8 *sarray, GFC_INTEGER_8 *status,
 	     gfc_charlen_type name_len)
 {
   stat_i8_sub_0 (name, sarray, status, name_len, 0);
 }

 iexport(stat_i8_sub);


 extern void lstat_i8_sub (char *, gfc_array_i8 *, GFC_INTEGER_8 *,
 			 gfc_charlen_type);
 iexport_proto(lstat_i8_sub);

 void
 lstat_i8_sub (char *name, gfc_array_i8 *sarray, GFC_INTEGER_8 *status,
 	     gfc_charlen_type name_len)
 {
   stat_i8_sub_0 (name, sarray, status, name_len, 1);
 }

 iexport(lstat_i8_sub);


 extern GFC_INTEGER_4 stat_i4 (char *, gfc_array_i4 *, gfc_charlen_type);
 export_proto(stat_i4);

 GFC_INTEGER_4
 stat_i4 (char *name, gfc_array_i4 *sarray, gfc_charlen_type name_len)
 {
   GFC_INTEGER_4 val;
   stat_i4_sub (name, sarray, &val, name_len);
   return val;
 }

 extern GFC_INTEGER_8 stat_i8 (char *, gfc_array_i8 *, gfc_charlen_type);
 export_proto(stat_i8);

 GFC_INTEGER_8
 stat_i8 (char *name, gfc_array_i8 *sarray, gfc_charlen_type name_len)
 {
   GFC_INTEGER_8 val;
   stat_i8_sub (name, sarray, &val, name_len);
   return val;
 }


 /* SUBROUTINE LSTAT(FILE, SARRAY, STATUS)
    CHARACTER(len=*), INTENT(IN) :: FILE
    INTEGER, INTENT(OUT), :: SARRAY(13)
    INTEGER, INTENT(OUT), OPTIONAL :: STATUS

    FUNCTION LSTAT(FILE, SARRAY)
    INTEGER LSTAT
    CHARACTER(len=*), INTENT(IN) :: FILE
    INTEGER, INTENT(OUT), :: SARRAY(13)  */

 extern GFC_INTEGER_4 lstat_i4 (char *, gfc_array_i4 *, gfc_charlen_type);
 export_proto(lstat_i4);

 GFC_INTEGER_4
 lstat_i4 (char *name, gfc_array_i4 *sarray, gfc_charlen_type name_len)
 {
   GFC_INTEGER_4 val;
   lstat_i4_sub (name, sarray, &val, name_len);
   return val;
 }

 extern GFC_INTEGER_8 lstat_i8 (char *, gfc_array_i8 *, gfc_charlen_type);
 export_proto(lstat_i8);

 GFC_INTEGER_8
 lstat_i8 (char *name, gfc_array_i8 *sarray, gfc_charlen_type name_len)
 {
   GFC_INTEGER_8 val;
   lstat_i8_sub (name, sarray, &val, name_len);
   return val;
 }

 #endif


 #ifdef HAVE_FSTAT

 /* SUBROUTINE FSTAT(UNIT, SARRAY, STATUS)
    INTEGER, INTENT(IN) :: UNIT
    INTEGER, INTENT(OUT) :: SARRAY(13)
    INTEGER, INTENT(OUT), OPTIONAL :: STATUS

    FUNCTION FSTAT(UNIT, SARRAY)
    INTEGER FSTAT
    INTEGER, INTENT(IN) :: UNIT
    INTEGER, INTENT(OUT) :: SARRAY(13)  */

 extern void fstat_i4_sub (GFC_INTEGER_4 *, gfc_array_i4 *, GFC_INTEGER_4 *);
 iexport_proto(fstat_i4_sub);

 void
 fstat_i4_sub (GFC_INTEGER_4 *unit, gfc_array_i4 *sarray, GFC_INTEGER_4 *status)
 {
   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 (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
     runtime_error ("Array size of SARRAY is too small.");

   /* Convert Fortran unit number to C file descriptor.  */
   val = unit_to_fd (*unit);
   if (val >= 0)
     val = fstat(val, &sb);

   if (val == 0)
     {
       index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);

       /* Device ID  */
       sarray->base_addr[0 * stride] = sb.st_dev;

       /* Inode number  */
       sarray->base_addr[1 * stride] = sb.st_ino;

       /* File mode  */
       sarray->base_addr[2 * stride] = sb.st_mode;

       /* Number of (hard) links  */
       sarray->base_addr[3 * stride] = sb.st_nlink;

       /* Owner's uid  */
       sarray->base_addr[4 * stride] = sb.st_uid;

       /* Owner's gid  */
       sarray->base_addr[5 * stride] = sb.st_gid;

       /* ID of device containing directory entry for file (0 if not available) */
 #if HAVE_STRUCT_STAT_ST_RDEV
       sarray->base_addr[6 * stride] = sb.st_rdev;
 #else
       sarray->base_addr[6 * stride] = 0;
 #endif

       /* File size (bytes)  */
       sarray->base_addr[7 * stride] = sb.st_size;

       /* Last access time  */
       sarray->base_addr[8 * stride] = sb.st_atime;

       /* Last modification time  */
       sarray->base_addr[9 * stride] = sb.st_mtime;

       /* Last file status change time  */
       sarray->base_addr[10 * stride] = sb.st_ctime;

       /* Preferred I/O block size (-1 if not available)  */
 #if HAVE_STRUCT_STAT_ST_BLKSIZE
       sarray->base_addr[11 * stride] = sb.st_blksize;
 #else
       sarray->base_addr[11 * stride] = -1;
 #endif

       /* Number of blocks allocated (-1 if not available)  */
 #if HAVE_STRUCT_STAT_ST_BLOCKS
       sarray->base_addr[12 * stride] = sb.st_blocks;
 #else
       sarray->base_addr[12 * stride] = -1;
 #endif
     }

   if (status != NULL)
     *status = (val == 0) ? 0 : errno;
 }
 iexport(fstat_i4_sub);

 extern void fstat_i8_sub (GFC_INTEGER_8 *, gfc_array_i8 *, GFC_INTEGER_8 *);
 iexport_proto(fstat_i8_sub);

 void
 fstat_i8_sub (GFC_INTEGER_8 *unit, gfc_array_i8 *sarray, GFC_INTEGER_8 *status)
 {
   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 (GFC_DESCRIPTOR_EXTENT(sarray,0) < 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)
     {
       index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);

       /* Device ID  */
       sarray->base_addr[0] = sb.st_dev;

       /* Inode number  */
       sarray->base_addr[stride] = sb.st_ino;

       /* File mode  */
       sarray->base_addr[2 * stride] = sb.st_mode;

       /* Number of (hard) links  */
       sarray->base_addr[3 * stride] = sb.st_nlink;

       /* Owner's uid  */
       sarray->base_addr[4 * stride] = sb.st_uid;

       /* Owner's gid  */
       sarray->base_addr[5 * stride] = sb.st_gid;

       /* ID of device containing directory entry for file (0 if not available) */
 #if HAVE_STRUCT_STAT_ST_RDEV
       sarray->base_addr[6 * stride] = sb.st_rdev;
 #else
       sarray->base_addr[6 * stride] = 0;
 #endif

       /* File size (bytes)  */
       sarray->base_addr[7 * stride] = sb.st_size;

       /* Last access time  */
       sarray->base_addr[8 * stride] = sb.st_atime;

       /* Last modification time  */
       sarray->base_addr[9 * stride] = sb.st_mtime;

       /* Last file status change time  */
       sarray->base_addr[10 * stride] = sb.st_ctime;

       /* Preferred I/O block size (-1 if not available)  */
 #if HAVE_STRUCT_STAT_ST_BLKSIZE
       sarray->base_addr[11 * stride] = sb.st_blksize;
 #else
       sarray->base_addr[11 * stride] = -1;
 #endif

       /* Number of blocks allocated (-1 if not available)  */
 #if HAVE_STRUCT_STAT_ST_BLOCKS
       sarray->base_addr[12 * stride] = sb.st_blocks;
 #else
       sarray->base_addr[12 * 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;
 }

 #endif
	/* Implementation of the STAT and FSTAT intrinsics.
	Copyright (C) 2004-2019 Free Software Foundation, Inc.
	Contributed by Steven G. Kargl <kargls@comcast.net>.

	This file is part of the GNU Fortran 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>

	#ifdef HAVE_SYS_STAT_H
	#include <sys/stat.h>
	#endif



	#ifdef HAVE_STAT

	/* SUBROUTINE STAT(FILE, SARRAY, STATUS)
	CHARACTER(len=*), INTENT(IN) :: FILE
	INTEGER, INTENT(OUT), :: SARRAY(13)
	INTEGER, INTENT(OUT), OPTIONAL :: STATUS

	FUNCTION STAT(FILE, SARRAY)
	INTEGER STAT
	CHARACTER(len=*), INTENT(IN) :: FILE
	INTEGER, INTENT(OUT), :: SARRAY(13) */

	/extern void stat_i4_sub_0 (char , gfc_array_i4 , GFC_INTEGER_4 ,
	gfc_charlen_type, int);
	internal_proto(stat_i4_sub_0);*/

	static void
	stat_i4_sub_0 (char name, gfc_array_i4 sarray, GFC_INTEGER_4 *status,
	gfc_charlen_type name_len, int is_lstat __attribute__ ((unused)))
	{
	int val;
	char *str;
	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 (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
	runtime_error ("Array size of SARRAY is too small.");

	/* Make a null terminated copy of the string. */
	str = fc_strdup (name, name_len);

	/* On platforms that don't provide lstat(), we use stat() instead. */
	#ifdef HAVE_LSTAT
	if (is_lstat)
	val = lstat(str, &sb);
	else
	#endif
	val = stat(str, &sb);

	free (str);

	if (val == 0)
	{
	index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);

	/* Device ID */
	sarray->base_addr[0 * stride] = sb.st_dev;

	/* Inode number */
	sarray->base_addr[1 * stride] = sb.st_ino;

	/* File mode */
	sarray->base_addr[2 * stride] = sb.st_mode;

	/* Number of (hard) links */
	sarray->base_addr[3 * stride] = sb.st_nlink;

	/* Owner's uid */
	sarray->base_addr[4 * stride] = sb.st_uid;

	/* Owner's gid */
	sarray->base_addr[5 * stride] = sb.st_gid;

	/* ID of device containing directory entry for file (0 if not available) */
	#if HAVE_STRUCT_STAT_ST_RDEV
	sarray->base_addr[6 * stride] = sb.st_rdev;
	#else
	sarray->base_addr[6 * stride] = 0;
	#endif

	/* File size (bytes) */
	sarray->base_addr[7 * stride] = sb.st_size;

	/* Last access time */
	sarray->base_addr[8 * stride] = sb.st_atime;

	/* Last modification time */
	sarray->base_addr[9 * stride] = sb.st_mtime;

	/* Last file status change time */
	sarray->base_addr[10 * stride] = sb.st_ctime;

	/* Preferred I/O block size (-1 if not available) */
	#if HAVE_STRUCT_STAT_ST_BLKSIZE
	sarray->base_addr[11 * stride] = sb.st_blksize;
	#else
	sarray->base_addr[11 * stride] = -1;
	#endif

	/* Number of blocks allocated (-1 if not available) */
	#if HAVE_STRUCT_STAT_ST_BLOCKS
	sarray->base_addr[12 * stride] = sb.st_blocks;
	#else
	sarray->base_addr[12 * stride] = -1;
	#endif
	}

	if (status != NULL)
	*status = (val == 0) ? 0 : errno;
	}


	extern void stat_i4_sub (char , gfc_array_i4 , GFC_INTEGER_4 *,
	gfc_charlen_type);
	iexport_proto(stat_i4_sub);

	void
	stat_i4_sub (char name, gfc_array_i4 sarray, GFC_INTEGER_4 *status,
	gfc_charlen_type name_len)
	{
	stat_i4_sub_0 (name, sarray, status, name_len, 0);
	}
	iexport(stat_i4_sub);


	extern void lstat_i4_sub (char , gfc_array_i4 , GFC_INTEGER_4 *,
	gfc_charlen_type);
	iexport_proto(lstat_i4_sub);

	void
	lstat_i4_sub (char name, gfc_array_i4 sarray, GFC_INTEGER_4 *status,
	gfc_charlen_type name_len)
	{
	stat_i4_sub_0 (name, sarray, status, name_len, 1);
	}
	iexport(lstat_i4_sub);



	static void
	stat_i8_sub_0 (char name, gfc_array_i8 sarray, GFC_INTEGER_8 *status,
	gfc_charlen_type name_len, int is_lstat __attribute__ ((unused)))
	{
	int val;
	char *str;
	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 (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
	runtime_error ("Array size of SARRAY is too small.");

	/* Make a null terminated copy of the string. */
	str = fc_strdup (name, name_len);

	/* On platforms that don't provide lstat(), we use stat() instead. */
	#ifdef HAVE_LSTAT
	if (is_lstat)
	val = lstat(str, &sb);
	else
	#endif
	val = stat(str, &sb);

	free (str);

	if (val == 0)
	{
	index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);

	/* Device ID */
	sarray->base_addr[0] = sb.st_dev;

	/* Inode number */
	sarray->base_addr[stride] = sb.st_ino;

	/* File mode */
	sarray->base_addr[2 * stride] = sb.st_mode;

	/* Number of (hard) links */
	sarray->base_addr[3 * stride] = sb.st_nlink;

	/* Owner's uid */
	sarray->base_addr[4 * stride] = sb.st_uid;

	/* Owner's gid */
	sarray->base_addr[5 * stride] = sb.st_gid;

	/* ID of device containing directory entry for file (0 if not available) */
	#if HAVE_STRUCT_STAT_ST_RDEV
	sarray->base_addr[6 * stride] = sb.st_rdev;
	#else
	sarray->base_addr[6 * stride] = 0;
	#endif

	/* File size (bytes) */
	sarray->base_addr[7 * stride] = sb.st_size;

	/* Last access time */
	sarray->base_addr[8 * stride] = sb.st_atime;

	/* Last modification time */
	sarray->base_addr[9 * stride] = sb.st_mtime;

	/* Last file status change time */
	sarray->base_addr[10 * stride] = sb.st_ctime;

	/* Preferred I/O block size (-1 if not available) */
	#if HAVE_STRUCT_STAT_ST_BLKSIZE
	sarray->base_addr[11 * stride] = sb.st_blksize;
	#else
	sarray->base_addr[11 * stride] = -1;
	#endif

	/* Number of blocks allocated (-1 if not available) */
	#if HAVE_STRUCT_STAT_ST_BLOCKS
	sarray->base_addr[12 * stride] = sb.st_blocks;
	#else
	sarray->base_addr[12 * stride] = -1;
	#endif
	}

	if (status != NULL)
	*status = (val == 0) ? 0 : errno;
	}


	extern void stat_i8_sub (char , gfc_array_i8 , GFC_INTEGER_8 *,
	gfc_charlen_type);
	iexport_proto(stat_i8_sub);

	void
	stat_i8_sub (char name, gfc_array_i8 sarray, GFC_INTEGER_8 *status,
	gfc_charlen_type name_len)
	{
	stat_i8_sub_0 (name, sarray, status, name_len, 0);
	}

	iexport(stat_i8_sub);


	extern void lstat_i8_sub (char , gfc_array_i8 , GFC_INTEGER_8 *,
	gfc_charlen_type);
	iexport_proto(lstat_i8_sub);

	void
	lstat_i8_sub (char name, gfc_array_i8 sarray, GFC_INTEGER_8 *status,
	gfc_charlen_type name_len)
	{
	stat_i8_sub_0 (name, sarray, status, name_len, 1);
	}

	iexport(lstat_i8_sub);


	extern GFC_INTEGER_4 stat_i4 (char , gfc_array_i4 , gfc_charlen_type);
	export_proto(stat_i4);

	GFC_INTEGER_4
	stat_i4 (char name, gfc_array_i4 sarray, gfc_charlen_type name_len)
	{
	GFC_INTEGER_4 val;
	stat_i4_sub (name, sarray, &val, name_len);
	return val;
	}

	extern GFC_INTEGER_8 stat_i8 (char , gfc_array_i8 , gfc_charlen_type);
	export_proto(stat_i8);

	GFC_INTEGER_8
	stat_i8 (char name, gfc_array_i8 sarray, gfc_charlen_type name_len)
	{
	GFC_INTEGER_8 val;
	stat_i8_sub (name, sarray, &val, name_len);
	return val;
	}


	/* SUBROUTINE LSTAT(FILE, SARRAY, STATUS)
	CHARACTER(len=*), INTENT(IN) :: FILE
	INTEGER, INTENT(OUT), :: SARRAY(13)
	INTEGER, INTENT(OUT), OPTIONAL :: STATUS

	FUNCTION LSTAT(FILE, SARRAY)
	INTEGER LSTAT
	CHARACTER(len=*), INTENT(IN) :: FILE
	INTEGER, INTENT(OUT), :: SARRAY(13) */

	extern GFC_INTEGER_4 lstat_i4 (char , gfc_array_i4 , gfc_charlen_type);
	export_proto(lstat_i4);

	GFC_INTEGER_4
	lstat_i4 (char name, gfc_array_i4 sarray, gfc_charlen_type name_len)
	{
	GFC_INTEGER_4 val;
	lstat_i4_sub (name, sarray, &val, name_len);
	return val;
	}

	extern GFC_INTEGER_8 lstat_i8 (char , gfc_array_i8 , gfc_charlen_type);
	export_proto(lstat_i8);

	GFC_INTEGER_8
	lstat_i8 (char name, gfc_array_i8 sarray, gfc_charlen_type name_len)
	{
	GFC_INTEGER_8 val;
	lstat_i8_sub (name, sarray, &val, name_len);
	return val;
	}

	#endif


	#ifdef HAVE_FSTAT

	/* SUBROUTINE FSTAT(UNIT, SARRAY, STATUS)
	INTEGER, INTENT(IN) :: UNIT
	INTEGER, INTENT(OUT) :: SARRAY(13)
	INTEGER, INTENT(OUT), OPTIONAL :: STATUS

	FUNCTION FSTAT(UNIT, SARRAY)
	INTEGER FSTAT
	INTEGER, INTENT(IN) :: UNIT
	INTEGER, INTENT(OUT) :: SARRAY(13) */

	extern void fstat_i4_sub (GFC_INTEGER_4 , gfc_array_i4 , GFC_INTEGER_4 *);
	iexport_proto(fstat_i4_sub);

	void
	fstat_i4_sub (GFC_INTEGER_4 unit, gfc_array_i4 sarray, GFC_INTEGER_4 *status)
	{
	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 (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
	runtime_error ("Array size of SARRAY is too small.");

	/* Convert Fortran unit number to C file descriptor. */
	val = unit_to_fd (*unit);
	if (val >= 0)
	val = fstat(val, &sb);

	if (val == 0)
	{
	index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);

	/* Device ID */
	sarray->base_addr[0 * stride] = sb.st_dev;

	/* Inode number */
	sarray->base_addr[1 * stride] = sb.st_ino;

	/* File mode */
	sarray->base_addr[2 * stride] = sb.st_mode;

	/* Number of (hard) links */
	sarray->base_addr[3 * stride] = sb.st_nlink;

	/* Owner's uid */
	sarray->base_addr[4 * stride] = sb.st_uid;

	/* Owner's gid */
	sarray->base_addr[5 * stride] = sb.st_gid;

	/* ID of device containing directory entry for file (0 if not available) */
	#if HAVE_STRUCT_STAT_ST_RDEV
	sarray->base_addr[6 * stride] = sb.st_rdev;
	#else
	sarray->base_addr[6 * stride] = 0;
	#endif

	/* File size (bytes) */
	sarray->base_addr[7 * stride] = sb.st_size;

	/* Last access time */
	sarray->base_addr[8 * stride] = sb.st_atime;

	/* Last modification time */
	sarray->base_addr[9 * stride] = sb.st_mtime;

	/* Last file status change time */
	sarray->base_addr[10 * stride] = sb.st_ctime;

	/* Preferred I/O block size (-1 if not available) */
	#if HAVE_STRUCT_STAT_ST_BLKSIZE
	sarray->base_addr[11 * stride] = sb.st_blksize;
	#else
	sarray->base_addr[11 * stride] = -1;
	#endif

	/* Number of blocks allocated (-1 if not available) */
	#if HAVE_STRUCT_STAT_ST_BLOCKS
	sarray->base_addr[12 * stride] = sb.st_blocks;
	#else
	sarray->base_addr[12 * stride] = -1;
	#endif
	}

	if (status != NULL)
	*status = (val == 0) ? 0 : errno;
	}
	iexport(fstat_i4_sub);

	extern void fstat_i8_sub (GFC_INTEGER_8 , gfc_array_i8 , GFC_INTEGER_8 *);
	iexport_proto(fstat_i8_sub);

	void
	fstat_i8_sub (GFC_INTEGER_8 unit, gfc_array_i8 sarray, GFC_INTEGER_8 *status)
	{
	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 (GFC_DESCRIPTOR_EXTENT(sarray,0) < 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)
	{
	index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);

	/* Device ID */
	sarray->base_addr[0] = sb.st_dev;

	/* Inode number */
	sarray->base_addr[stride] = sb.st_ino;

	/* File mode */
	sarray->base_addr[2 * stride] = sb.st_mode;

	/* Number of (hard) links */
	sarray->base_addr[3 * stride] = sb.st_nlink;

	/* Owner's uid */
	sarray->base_addr[4 * stride] = sb.st_uid;

	/* Owner's gid */
	sarray->base_addr[5 * stride] = sb.st_gid;

	/* ID of device containing directory entry for file (0 if not available) */
	#if HAVE_STRUCT_STAT_ST_RDEV
	sarray->base_addr[6 * stride] = sb.st_rdev;
	#else
	sarray->base_addr[6 * stride] = 0;
	#endif

	/* File size (bytes) */
	sarray->base_addr[7 * stride] = sb.st_size;

	/* Last access time */
	sarray->base_addr[8 * stride] = sb.st_atime;

	/* Last modification time */
	sarray->base_addr[9 * stride] = sb.st_mtime;

	/* Last file status change time */
	sarray->base_addr[10 * stride] = sb.st_ctime;

	/* Preferred I/O block size (-1 if not available) */
	#if HAVE_STRUCT_STAT_ST_BLKSIZE
	sarray->base_addr[11 * stride] = sb.st_blksize;
	#else
	sarray->base_addr[11 * stride] = -1;
	#endif

	/* Number of blocks allocated (-1 if not available) */
	#if HAVE_STRUCT_STAT_ST_BLOCKS
	sarray->base_addr[12 * stride] = sb.st_blocks;
	#else
	sarray->base_addr[12 * 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;
	}

	#endif