/* Implementation of the STAT and FSTAT intrinsics.
- Copyright (C) 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2006, 2007, 2009, 2011
+ Free Software Foundation, Inc.
Contributed by Steven G. Kargl <kargls@comcast.net>.
-This file is part of the GNU Fortran 95 runtime library (libgfortran).
+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 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.)
+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.
-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., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+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 "config.h"
#include "libgfortran.h"
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
+#include <string.h>
+#include <errno.h>
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
-#ifdef HAVE_STDLIB_H
#include <stdlib.h>
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
-#include <errno.h>
-#include "../io/io.h"
+#ifdef HAVE_STAT
/* SUBROUTINE STAT(FILE, SARRAY, STATUS)
CHARACTER(len=*), INTENT(IN) :: FILE
CHARACTER(len=*), INTENT(IN) :: FILE
INTEGER, INTENT(OUT), :: SARRAY(13) */
-extern void stat_i4_sub (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
- gfc_charlen_type);
-iexport_proto(stat_i4_sub);
+/*extern void stat_i4_sub_0 (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
+ gfc_charlen_type, int);
+internal_proto(stat_i4_sub_0);*/
-void
-stat_i4_sub (char *name, gfc_array_i4 *sarray, GFC_INTEGER_4 *status,
- gfc_charlen_type name_len)
+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;
- index_type stride[GFC_MAX_DIMENSIONS];
-
/* 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)
+ if (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
runtime_error ("Array size of SARRAY is too small.");
- if (sarray->dim[0].stride == 0)
- sarray->dim[0].stride = 1;
-
/* Trim trailing spaces from name. */
while (name_len > 0 && name[name_len - 1] == ' ')
name_len--;
/* Make a null terminated copy of the string. */
str = gfc_alloca (name_len + 1);
memcpy (str, name, name_len);
- str[name_len] = '\0';
+ str[name_len] = '\0';
- val = stat(str, &sb);
+ /* 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);
- if (val == 0)
+ if (val == 0)
{
+ index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);
+
/* Device ID */
- sarray->data[0 * sarray->dim[0].stride] = sb.st_dev;
+ sarray->data[0 * stride] = sb.st_dev;
/* Inode number */
- sarray->data[1 * sarray->dim[0].stride] = sb.st_ino;
+ sarray->data[1 * stride] = sb.st_ino;
/* File mode */
- sarray->data[2 * sarray->dim[0].stride] = sb.st_mode;
+ sarray->data[2 * stride] = sb.st_mode;
/* Number of (hard) links */
- sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink;
+ sarray->data[3 * stride] = sb.st_nlink;
/* Owner's uid */
- sarray->data[4 * sarray->dim[0].stride] = sb.st_uid;
+ sarray->data[4 * stride] = sb.st_uid;
/* Owner's gid */
- sarray->data[5 * sarray->dim[0].stride] = sb.st_gid;
-
+ sarray->data[5 * 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;
+ sarray->data[6 * stride] = sb.st_rdev;
#else
- sarray->data[6 * sarray->dim[0].stride] = 0;
+ sarray->data[6 * stride] = 0;
#endif
/* File size (bytes) */
- sarray->data[7 * sarray->dim[0].stride] = sb.st_size;
+ sarray->data[7 * stride] = sb.st_size;
/* Last access time */
- sarray->data[8 * sarray->dim[0].stride] = sb.st_atime;
+ sarray->data[8 * stride] = sb.st_atime;
/* Last modification time */
- sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime;
+ sarray->data[9 * stride] = sb.st_mtime;
/* Last file status change time */
- sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime;
+ sarray->data[10 * 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;
+ sarray->data[11 * stride] = sb.st_blksize;
#else
- sarray->data[11 * sarray->dim[0].stride] = -1;
+ sarray->data[11 * 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;
+ sarray->data[12 * stride] = sb.st_blocks;
#else
- sarray->data[12 * sarray->dim[0].stride] = -1;
+ sarray->data[12 * stride] = -1;
#endif
}
- if (status != NULL)
+ 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 stat_i8_sub (char *, gfc_array_i8 *, GFC_INTEGER_8 *,
+
+extern void lstat_i4_sub (char *, gfc_array_i4 *, GFC_INTEGER_4 *,
gfc_charlen_type);
-iexport_proto(stat_i8_sub);
+iexport_proto(lstat_i4_sub);
void
-stat_i8_sub (char *name, gfc_array_i8 *sarray, GFC_INTEGER_8 *status,
+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;
- index_type stride[GFC_MAX_DIMENSIONS];
-
/* 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)
+ if (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
runtime_error ("Array size of SARRAY is too small.");
- if (sarray->dim[0].stride == 0)
- sarray->dim[0].stride = 1;
-
/* Trim trailing spaces from name. */
while (name_len > 0 && name[name_len - 1] == ' ')
name_len--;
/* Make a null terminated copy of the string. */
str = gfc_alloca (name_len + 1);
memcpy (str, name, name_len);
- str[name_len] = '\0';
+ str[name_len] = '\0';
- val = stat(str, &sb);
+ /* 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);
if (val == 0)
{
+ index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);
+
/* Device ID */
sarray->data[0] = sb.st_dev;
/* Inode number */
- sarray->data[sarray->dim[0].stride] = sb.st_ino;
+ sarray->data[stride] = sb.st_ino;
/* File mode */
- sarray->data[2 * sarray->dim[0].stride] = sb.st_mode;
+ sarray->data[2 * stride] = sb.st_mode;
/* Number of (hard) links */
- sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink;
-
+ sarray->data[3 * stride] = sb.st_nlink;
+
/* Owner's uid */
- sarray->data[4 * sarray->dim[0].stride] = sb.st_uid;
+ sarray->data[4 * stride] = sb.st_uid;
/* Owner's gid */
- sarray->data[5 * sarray->dim[0].stride] = sb.st_gid;
-
+ sarray->data[5 * 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;
+ sarray->data[6 * stride] = sb.st_rdev;
#else
- sarray->data[6 * sarray->dim[0].stride] = 0;
+ sarray->data[6 * stride] = 0;
#endif
/* File size (bytes) */
- sarray->data[7 * sarray->dim[0].stride] = sb.st_size;
+ sarray->data[7 * stride] = sb.st_size;
/* Last access time */
- sarray->data[8 * sarray->dim[0].stride] = sb.st_atime;
+ sarray->data[8 * stride] = sb.st_atime;
/* Last modification time */
- sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime;
+ sarray->data[9 * stride] = sb.st_mtime;
/* Last file status change time */
- sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime;
+ sarray->data[10 * 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;
+ sarray->data[11 * stride] = sb.st_blksize;
#else
- sarray->data[11 * sarray->dim[0].stride] = -1;
+ sarray->data[11 * 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;
+ sarray->data[12 * stride] = sb.st_blocks;
#else
- sarray->data[12 * sarray->dim[0].stride] = -1;
+ sarray->data[12 * stride] = -1;
#endif
}
- if (status != NULL)
+ 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);
}
+/* 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(IN) :: UNIT
INTEGER, INTENT(OUT) :: SARRAY(13)
- INTEGER, INTENT(OUT), OPTIONAL :: STATUS
+ INTEGER, INTENT(OUT), OPTIONAL :: STATUS
FUNCTION FSTAT(UNIT, SARRAY)
INTEGER FSTAT
- INTEGER, INTENT(IN) :: UNIT
+ INTEGER, INTENT(IN) :: UNIT
INTEGER, INTENT(OUT) :: SARRAY(13) */
extern void fstat_i4_sub (GFC_INTEGER_4 *, gfc_array_i4 *, GFC_INTEGER_4 *);
int val;
struct stat sb;
- index_type stride[GFC_MAX_DIMENSIONS];
-
/* 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)
+ if (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
runtime_error ("Array size of SARRAY is too small.");
- if (sarray->dim[0].stride == 0)
- sarray->dim[0].stride = 1;
-
/* Convert Fortran unit number to C file descriptor. */
val = unit_to_fd (*unit);
if (val >= 0)
if (val == 0)
{
+ index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);
+
/* Device ID */
- sarray->data[0 * sarray->dim[0].stride] = sb.st_dev;
+ sarray->data[0 * stride] = sb.st_dev;
/* Inode number */
- sarray->data[1 * sarray->dim[0].stride] = sb.st_ino;
-
+ sarray->data[1 * stride] = sb.st_ino;
+
/* File mode */
- sarray->data[2 * sarray->dim[0].stride] = sb.st_mode;
+ sarray->data[2 * stride] = sb.st_mode;
/* Number of (hard) links */
- sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink;
+ sarray->data[3 * stride] = sb.st_nlink;
/* Owner's uid */
- sarray->data[4 * sarray->dim[0].stride] = sb.st_uid;
+ sarray->data[4 * stride] = sb.st_uid;
/* Owner's gid */
- sarray->data[5 * sarray->dim[0].stride] = sb.st_gid;
-
+ sarray->data[5 * 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;
+ sarray->data[6 * stride] = sb.st_rdev;
#else
- sarray->data[6 * sarray->dim[0].stride] = 0;
+ sarray->data[6 * stride] = 0;
#endif
/* File size (bytes) */
- sarray->data[7 * sarray->dim[0].stride] = sb.st_size;
+ sarray->data[7 * stride] = sb.st_size;
/* Last access time */
- sarray->data[8 * sarray->dim[0].stride] = sb.st_atime;
+ sarray->data[8 * stride] = sb.st_atime;
/* Last modification time */
- sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime;
+ sarray->data[9 * stride] = sb.st_mtime;
/* Last file status change time */
- sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime;
+ sarray->data[10 * 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;
+ sarray->data[11 * stride] = sb.st_blksize;
#else
- sarray->data[11 * sarray->dim[0].stride] = -1;
+ sarray->data[11 * 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;
+ sarray->data[12 * stride] = sb.st_blocks;
#else
- sarray->data[12 * sarray->dim[0].stride] = -1;
+ sarray->data[12 * stride] = -1;
#endif
}
- if (status != NULL)
+ if (status != NULL)
*status = (val == 0) ? 0 : errno;
}
iexport(fstat_i4_sub);
int val;
struct stat sb;
- index_type stride[GFC_MAX_DIMENSIONS];
-
/* 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)
+ if (GFC_DESCRIPTOR_EXTENT(sarray,0) < 13)
runtime_error ("Array size of SARRAY is too small.");
- if (sarray->dim[0].stride == 0)
- sarray->dim[0].stride = 1;
-
/* Convert Fortran unit number to C file descriptor. */
val = unit_to_fd ((int) *unit);
if (val >= 0)
if (val == 0)
{
+ index_type stride = GFC_DESCRIPTOR_STRIDE(sarray,0);
+
/* Device ID */
sarray->data[0] = sb.st_dev;
/* Inode number */
- sarray->data[sarray->dim[0].stride] = sb.st_ino;
+ sarray->data[stride] = sb.st_ino;
/* File mode */
- sarray->data[2 * sarray->dim[0].stride] = sb.st_mode;
+ sarray->data[2 * stride] = sb.st_mode;
/* Number of (hard) links */
- sarray->data[3 * sarray->dim[0].stride] = sb.st_nlink;
+ sarray->data[3 * stride] = sb.st_nlink;
/* Owner's uid */
- sarray->data[4 * sarray->dim[0].stride] = sb.st_uid;
+ sarray->data[4 * stride] = sb.st_uid;
/* Owner's gid */
- sarray->data[5 * sarray->dim[0].stride] = sb.st_gid;
-
+ sarray->data[5 * 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;
+ sarray->data[6 * stride] = sb.st_rdev;
#else
- sarray->data[6 * sarray->dim[0].stride] = 0;
+ sarray->data[6 * stride] = 0;
#endif
/* File size (bytes) */
- sarray->data[7 * sarray->dim[0].stride] = sb.st_size;
+ sarray->data[7 * stride] = sb.st_size;
/* Last access time */
- sarray->data[8 * sarray->dim[0].stride] = sb.st_atime;
+ sarray->data[8 * stride] = sb.st_atime;
/* Last modification time */
- sarray->data[9 * sarray->dim[0].stride] = sb.st_mtime;
+ sarray->data[9 * stride] = sb.st_mtime;
/* Last file status change time */
- sarray->data[10 * sarray->dim[0].stride] = sb.st_ctime;
+ sarray->data[10 * 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;
+ sarray->data[11 * stride] = sb.st_blksize;
#else
- sarray->data[11 * sarray->dim[0].stride] = -1;
+ sarray->data[11 * 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;
+ sarray->data[12 * stride] = sb.st_blocks;
#else
- sarray->data[12 * sarray->dim[0].stride] = -1;
+ sarray->data[12 * stride] = -1;
#endif
}
- if (status != NULL)
+ if (status != NULL)
*status = (val == 0) ? 0 : errno;
}
iexport(fstat_i8_sub);
fstat_i8_sub (unit, sarray, &val);
return val;
}
+
+#endif
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