mirror of git://gcc.gnu.org/git/gcc.git
556 lines
14 KiB
C
556 lines
14 KiB
C
/* Implementation of the STAT and FSTAT intrinsics.
|
|
Copyright (C) 2004-2013 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 <string.h>
|
|
#include <errno.h>
|
|
|
|
#ifdef HAVE_SYS_STAT_H
|
|
#include <sys/stat.h>
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
#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.");
|
|
|
|
/* 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';
|
|
|
|
/* 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->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.");
|
|
|
|
/* 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';
|
|
|
|
/* 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->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
|