efde2f2ce4
BFD_HAVE_SYS_STAT_TYPE_MEMBER): New config functions.
* bfd/configure.in: Use them.
* bfd/configure: Regenerate.
* bfd/config.in: Regnerate.
* bfd/vmsutil.c: Include sysdep.h, remove ansidecl.h.
#define _BSD_SOURCE. Add comments.
(vms_file_stats_name): Calculate creation date based on available
runtime data. Return 1 for version instead of 0.
305 lines
7.4 KiB
C
305 lines
7.4 KiB
C
/* vmsutil.c -- Utilities for VMS.
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Copyright 2009 Free Software Foundation, Inc.
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Written by Douglas B Rupp <rupp@gnat.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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 License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "vmsutil.h"
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/* The purspose of the two alternate versions below is to have one that
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works for native VMS and one that works on an NFS mounted filesystem
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(Unix Server/VMS client). The main issue being to generate the special
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VMS file timestamps for the debug info. */
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#ifdef VMS
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#define __NEW_STARLET 1
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#include <vms/starlet.h>
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#include <vms/rms.h>
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#include <vms/atrdef.h>
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#include <vms/fibdef.h>
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#include <vms/stsdef.h>
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#include <vms/iodef.h>
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#include <vms/fatdef.h>
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#include <errno.h>
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#include <vms/descrip.h>
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#include <string.h>
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#include <unixlib.h>
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#define MAXPATH 256
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/* Descrip.h doesn't have everything... */
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typedef struct fibdef * __fibdef_ptr32 __attribute__ (( mode (SI) ));
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struct dsc$descriptor_fib
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{
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unsigned int fib$l_len;
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__fibdef_ptr32 fib$l_addr;
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};
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/* I/O Status Block. */
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struct IOSB
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{
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unsigned short status, count;
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unsigned int devdep;
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};
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static char *tryfile;
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/* Variable length string. */
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struct vstring
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{
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short length;
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char string[NAM$C_MAXRSS+1];
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};
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static char filename_buff [MAXPATH];
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static char vms_filespec [MAXPATH];
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/* Callback function for filespec style conversion. */
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static int
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translate_unix (char *name, int type ATTRIBUTE_UNUSED)
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{
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strncpy (filename_buff, name, MAXPATH);
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filename_buff [MAXPATH - 1] = (char) 0;
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return 0;
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}
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/* Wrapper for DECC function that converts a Unix filespec
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to VMS style filespec. */
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static char *
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to_vms_file_spec (char *filespec)
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{
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strncpy (vms_filespec, "", MAXPATH);
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decc$to_vms (filespec, translate_unix, 1, 1);
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strncpy (vms_filespec, filename_buff, MAXPATH);
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vms_filespec [MAXPATH - 1] = (char) 0;
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return vms_filespec;
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}
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#else /* not VMS */
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#define _BSD_SOURCE 1
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#include <sys/stat.h>
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#include <time.h>
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#define VMS_EPOCH_OFFSET 35067168000000000LL
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#define VMS_GRANULARITY_FACTOR 10000000
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#endif /* VMS */
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/* Return VMS file date, size, format, version given a name. */
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int
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vms_file_stats_name (const char *filename,
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long long *cdt,
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long *siz,
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char *rfo,
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int *ver)
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{
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#ifdef VMS
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struct FAB fab;
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struct NAM nam;
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unsigned long long create;
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FAT recattr;
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char ascnamebuff [256];
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ATRDEF atrlst[]
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= {
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{ ATR$S_CREDATE, ATR$C_CREDATE, &create },
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{ ATR$S_RECATTR, ATR$C_RECATTR, &recattr },
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{ ATR$S_ASCNAME, ATR$C_ASCNAME, &ascnamebuff },
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{ 0, 0, 0}
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};
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FIBDEF fib;
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struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib};
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struct IOSB iosb;
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long status;
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unsigned short chan;
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struct vstring file;
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struct dsc$descriptor_s filedsc
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= {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string};
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struct vstring device;
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struct dsc$descriptor_s devicedsc
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= {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string};
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struct vstring result;
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struct dsc$descriptor_s resultdsc
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= {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string};
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if (strcmp (filename, "<internal>") == 0
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|| strcmp (filename, "<built-in>") == 0)
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{
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if (cdt)
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*cdt = 0;
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if (siz)
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*siz = 0;
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if (rfo)
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*rfo = 0;
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if (ver)
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*ver = 0;
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return 0;
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}
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tryfile = to_vms_file_spec ((char *) filename);
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/* Allocate and initialize a FAB and NAM structures. */
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fab = cc$rms_fab;
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nam = cc$rms_nam;
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nam.nam$l_esa = file.string;
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nam.nam$b_ess = NAM$C_MAXRSS;
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nam.nam$l_rsa = result.string;
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nam.nam$b_rss = NAM$C_MAXRSS;
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fab.fab$l_fna = tryfile;
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fab.fab$b_fns = strlen (tryfile);
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fab.fab$l_nam = &nam;
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/* Validate filespec syntax and device existence. */
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status = SYS$PARSE (&fab, 0, 0);
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if ((status & 1) != 1)
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return 1;
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file.string[nam.nam$b_esl] = 0;
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/* Find matching filespec. */
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status = SYS$SEARCH (&fab, 0, 0);
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if ((status & 1) != 1)
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return 1;
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file.string[nam.nam$b_esl] = 0;
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result.string[result.length=nam.nam$b_rsl] = 0;
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/* Get the device name and assign an IO channel. */
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strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev);
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devicedsc.dsc$w_length = nam.nam$b_dev;
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chan = 0;
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status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0);
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if ((status & 1) != 1)
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return 1;
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/* Initialize the FIB and fill in the directory id field. */
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memset (&fib, 0, sizeof (fib));
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fib.fib$w_did[0] = nam.nam$w_did[0];
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fib.fib$w_did[1] = nam.nam$w_did[1];
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fib.fib$w_did[2] = nam.nam$w_did[2];
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fib.fib$l_acctl = 0;
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fib.fib$l_wcc = 0;
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strcpy (file.string, (strrchr (result.string, ']') + 1));
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filedsc.dsc$w_length = strlen (file.string);
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result.string[result.length = 0] = 0;
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/* Open and close the file to fill in the attributes. */
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status
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= SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0,
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&fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0);
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if ((status & 1) != 1)
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return 1;
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if ((iosb.status & 1) != 1)
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return 1;
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result.string[result.length] = 0;
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status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0,
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&atrlst, 0);
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if ((status & 1) != 1)
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return 1;
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if ((iosb.status & 1) != 1)
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return 1;
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/* Deassign the channel and exit. */
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status = SYS$DASSGN (chan);
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if ((status & 1) != 1)
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return 1;
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if (cdt) *cdt = create;
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if (siz) *siz = (512 * 65536 * recattr.fat$w_efblkh) +
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(512 * (recattr.fat$w_efblkl - 1)) +
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recattr.fat$w_ffbyte;
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if (rfo) *rfo = recattr.fat$v_rtype;
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if (ver) *ver = strtol (strrchr (ascnamebuff, ';') + 1, 0, 10);
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#else /* not VMS */
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struct stat buff;
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struct tm *ts;
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long long gmtoff, secs, nsecs;
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if ((stat (filename, &buff)) != 0)
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return 1;
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if (cdt)
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{
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ts = localtime (& buff.st_mtime);
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#ifdef HAVE_TM_GMTOFF
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gmtoff = ts->tm_gmtoff;
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#else
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{
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extern long timezone;
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if (ts->tm_isdst == 1)
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gmtoff = - (timezone - 3600);
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else
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gmtoff = - timezone;
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}
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#endif
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#ifdef HAVE_ST_MTIM_TV_SEC
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secs = buff.st_mtim.tv_sec;
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#else
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secs = buff.st_mtime;
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#endif
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#ifdef HAVE_ST_MTIM_TV_NSEC
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nsecs = buff.st_mtim.tv_nsec;
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#else
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nsecs = 0;
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#endif
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/* VMS timestamps are stored in local time to 100 nsec accuracy, but by
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experiment I found timestamps truncated to (at least) microseconds
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on an NFS mounted filesystem, hence the adjustment below. DBR. */
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*cdt = ((secs + gmtoff) * VMS_GRANULARITY_FACTOR)
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+ (nsecs / 1000 * 10) + VMS_EPOCH_OFFSET;
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}
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if (siz)
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*siz = buff.st_size;
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if (rfo)
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*rfo = 2; /* Stream LF format. */
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/* Returning a file version of 0 is never correct for debug info, version 1
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will be correct if file editing is done only on the Unix side. If editing
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is done on the VMS side, then its TBD. */
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if (ver)
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*ver = 1;
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#endif /* VMS */
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return 0;
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}
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