gcc/libgfortran/intrinsics/stat.c
Richard Henderson 7d7b8bfe55 acinclude.m4 (LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY): New.
* acinclude.m4 (LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY): New.
        (LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT): New.
        (LIBGFOR_CHECK_ATTRIBUTE_ALIAS): New.
        * configure.ac: Use them.
        * configure, config.h.in, aclocal.m4: Rebuild.
        * libgfortran.h (prefix): Remove.
        (PREFIX, IPREFIX): New.
        (sym_rename, sym_rename1, sym_rename2): New.
        (internal_proto, export_proto, export_proto_np): New.
        (iexport_proto, iexport): New.
        (iexport_data_proto, iexport_data): New.
        * intrinsics/abort.c, intrinsics/args.c, intrinsics/associated.c,
        intrinsics/cpu_time.c, intrinsics/cshift0.c,
        intrinsics/date_and_time.c, intrinsics/env.c, intrinsics/eoshift0.c,
        intrinsics/eoshift2.c, intrinsics/etime.c, intrinsics/exit.c,
        intrinsics/flush.c, intrinsics/fnum.c, intrinsics/getXid.c,
        intrinsics/getcwd.c, intrinsics/ishftc.c, intrinsics/mvbits.c,
        intrinsics/pack_generic.c, intrinsics/rand.c, intrinsics/random.c,
        intrinsics/reshape_generic.c, intrinsics/size.c,
        intrinsics/spread_generic.c, intrinsics/stat.c,
        intrinsics/string_intrinsics.c, intrinsics/system.c,
        intrinsics/system_clock.c, intrinsics/transpose_generic.c,
        intrinsics/umask.c, intrinsics/unlink.c, intrinsics/unpack_generic.c,
        io/backspace.c, io/close.c, io/endfile.c, io/inquire.c, io/io.h,
        io/open.c, io/rewind.c, io/transfer.c, libgfortran.h, m4/cshift1.m4,
        m4/dotprod.m4, m4/dotprodc.m4, m4/dotprodl.m4, m4/eoshift1.m4,
        m4/eoshift3.m4, m4/exponent.m4, m4/fraction.m4, m4/iforeach.m4,
        m4/ifunction.m4, m4/matmul.m4, m4/matmull.m4, m4/nearest.m4,
        m4/pow.m4, m4/reshape.m4, m4/set_exponent.m4, m4/shape.m4,
        m4/transpose.m4, runtime/environ.c, runtime/error.c,
        runtime/in_pack_generic.c, runtime/in_unpack_generic.c,
        runtime/main.c, runtime/memory.c, runtime/pause.c, runtime/select.c,
        runtime/stop.c: Use them to mark symbols internal or external.
        * generated/*: Rebuild.

From-SVN: r92045
2004-12-12 00:59:05 -08:00

471 lines
13 KiB
C

/* Implementation of the STAT and FSTAT intrinsics.
Copyright (C) 2004 Free Software Foundation, Inc.
Contributed by Steven G. Kargl <kargls@comcast.net>.
This file is part of the GNU Fortran 95 runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libgfor; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "config.h"
#include "libgfortran.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#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"
/* 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 (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)
{
int val;
char *str;
struct stat sb;
index_type stride[GFC_MAX_DIMENSIONS - 1];
/* 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.");
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';
val = stat(str, &sb);
if (val == 0)
{
/* Device ID */
sarray->data[0 * sarray->dim[0].stride] = sb.st_dev;
/* Inode number */
sarray->data[1 * 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(stat_i4_sub);
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)
{
int val;
char *str;
struct stat sb;
index_type stride[GFC_MAX_DIMENSIONS - 1];
/* 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.");
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';
val = stat(str, &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(stat_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 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;
index_type stride[GFC_MAX_DIMENSIONS - 1];
/* 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.");
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)
val = fstat(val, &sb);
if (val == 0)
{
/* Device ID */
sarray->data[0 * sarray->dim[0].stride] = sb.st_dev;
/* Inode number */
sarray->data[1 * 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_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;
index_type stride[GFC_MAX_DIMENSIONS - 1];
/* 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.");
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)
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;
}