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Diffstat (limited to 'bfd/vmsutil.c')
| -rw-r--r-- | bfd/vmsutil.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/bfd/vmsutil.c b/bfd/vmsutil.c new file mode 100644 index 0000000..25cd889 --- /dev/null +++ b/bfd/vmsutil.c @@ -0,0 +1,267 @@ +/* vmsutil.c -- Utilities for VMS. + Copyright 2009 Free Software Foundation, Inc. + + Written by Douglas B Rupp <rupp@gnat.com> + + This program 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. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + +#include "ansidecl.h" +#include "vmsutil.h" + +#ifdef VMS +#define __NEW_STARLET 1 +#include <vms/starlet.h> +#include <vms/rms.h> +#include <vms/atrdef.h> +#include <vms/fibdef.h> +#include <vms/stsdef.h> +#include <vms/iodef.h> +#include <vms/fatdef.h> +#include <errno.h> +#include <vms/descrip.h> +#include <string.h> +#include <unixlib.h> + +#define MAXPATH 256 + +/* Descrip.h doesn't have everything... */ +typedef struct fibdef * __fibdef_ptr32 __attribute__ (( mode (SI) )); + +struct dsc$descriptor_fib +{ + unsigned int fib$l_len; + __fibdef_ptr32 fib$l_addr; +}; + +/* I/O Status Block. */ +struct IOSB +{ + unsigned short status, count; + unsigned int devdep; +}; + +static char *tryfile; + +/* Variable length string. */ +struct vstring +{ + short length; + char string[NAM$C_MAXRSS+1]; +}; + +static char filename_buff [MAXPATH]; +static char vms_filespec [MAXPATH]; + +/* Callback function for filespec style conversion. */ + +static int +translate_unix (char *name, int type ATTRIBUTE_UNUSED) +{ + strncpy (filename_buff, name, MAXPATH); + filename_buff [MAXPATH - 1] = (char) 0; + return 0; +} + +/* Wrapper for DECC function that converts a Unix filespec + to VMS style filespec. */ + +static char * +to_vms_file_spec (char *filespec) +{ + strncpy (vms_filespec, "", MAXPATH); + decc$to_vms (filespec, translate_unix, 1, 1); + strncpy (vms_filespec, filename_buff, MAXPATH); + + vms_filespec [MAXPATH - 1] = (char) 0; + + return vms_filespec; +} + +#else +#include <sys/stat.h> +#include <time.h> +#define VMS_EPOCH_OFFSET 35067168000000000LL +#define VMS_GRANULARITY_FACTOR 10000000 +#endif + +/* Return VMS file date, size, format, version given a name. */ + +int +vms_file_stats_name (const char *filename, + long long *cdt, + long *siz, + char *rfo, + int *ver) +{ +#ifdef VMS + struct FAB fab; + struct NAM nam; + + unsigned long long create; + FAT recattr; + char ascnamebuff [256]; + + ATRDEF atrlst[] + = { + { ATR$S_CREDATE, ATR$C_CREDATE, &create }, + { ATR$S_RECATTR, ATR$C_RECATTR, &recattr }, + { ATR$S_ASCNAME, ATR$C_ASCNAME, &ascnamebuff }, + { 0, 0, 0} + }; + + FIBDEF fib; + struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; + + struct IOSB iosb; + + long status; + unsigned short chan; + + struct vstring file; + struct dsc$descriptor_s filedsc + = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; + struct vstring device; + struct dsc$descriptor_s devicedsc + = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; + struct vstring result; + struct dsc$descriptor_s resultdsc + = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; + + if (strcmp (filename, "<internal>") == 0 + || strcmp (filename, "<built-in>") == 0) + { + if (cdt) + *cdt = 0; + + if (siz) + *siz = 0; + + if (rfo) + *rfo = 0; + + if (ver) + *ver = 0; + + return 0; + } + + tryfile = to_vms_file_spec ((char *) filename); + + /* Allocate and initialize a FAB and NAM structures. */ + fab = cc$rms_fab; + nam = cc$rms_nam; + + nam.nam$l_esa = file.string; + nam.nam$b_ess = NAM$C_MAXRSS; + nam.nam$l_rsa = result.string; + nam.nam$b_rss = NAM$C_MAXRSS; + fab.fab$l_fna = tryfile; + fab.fab$b_fns = strlen (tryfile); + fab.fab$l_nam = &nam; + + /* Validate filespec syntax and device existence. */ + status = SYS$PARSE (&fab, 0, 0); + if ((status & 1) != 1) + return 1; + + file.string[nam.nam$b_esl] = 0; + + /* Find matching filespec. */ + status = SYS$SEARCH (&fab, 0, 0); + if ((status & 1) != 1) + return 1; + + file.string[nam.nam$b_esl] = 0; + result.string[result.length=nam.nam$b_rsl] = 0; + + /* Get the device name and assign an IO channel. */ + strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); + devicedsc.dsc$w_length = nam.nam$b_dev; + chan = 0; + status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); + if ((status & 1) != 1) + return 1; + + /* Initialize the FIB and fill in the directory id field. */ + memset (&fib, 0, sizeof (fib)); + fib.fib$w_did[0] = nam.nam$w_did[0]; + fib.fib$w_did[1] = nam.nam$w_did[1]; + fib.fib$w_did[2] = nam.nam$w_did[2]; + fib.fib$l_acctl = 0; + fib.fib$l_wcc = 0; + strcpy (file.string, (strrchr (result.string, ']') + 1)); + filedsc.dsc$w_length = strlen (file.string); + result.string[result.length = 0] = 0; + + /* Open and close the file to fill in the attributes. */ + status + = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, + &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); + if ((status & 1) != 1) + return 1; + if ((iosb.status & 1) != 1) + return 1; + + result.string[result.length] = 0; + status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, + &atrlst, 0); + if ((status & 1) != 1) + return 1; + if ((iosb.status & 1) != 1) + return 1; + + /* Deassign the channel and exit. */ + status = SYS$DASSGN (chan); + if ((status & 1) != 1) + return 1; + + if (cdt) *cdt = create; + if (siz) *siz = (512 * 65536 * recattr.fat$w_efblkh) + + (512 * (recattr.fat$w_efblkl - 1)) + + recattr.fat$w_ffbyte; + if (rfo) *rfo = recattr.fat$v_rtype; + if (ver) *ver = strtol (strrchr (ascnamebuff, ';')+1, 0, 10); + + return 0; +#else + struct stat buff; + struct tm *ts; + long gmtoff; + + if ((stat (filename, &buff)) != 0) + return 1; + + if (cdt) + { + ts = localtime (&buff.st_mtime); + gmtoff = ts->tm_gmtoff; + *cdt = (long long) (((buff.st_mtim.tv_sec + gmtoff) * VMS_GRANULARITY_FACTOR) + + (buff.st_mtim.tv_nsec / 100)) + + VMS_EPOCH_OFFSET; + } + + if (siz) + *siz = buff.st_size; + + if (rfo) + *rfo = 2; /* Stream LF format. */ + + if (ver) + *ver = 0; + + return 0; +#endif +} + |