+
+/* Need for both Dwarf2 on IVMS and VMS Debug on AVMS */
+
+#ifdef VMS
+#define __NEW_STARLET 1
+#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$to_vms (filespec, translate_unix, 1, 1);
+ strncpy (vms_filespec, filename_buff, MAXPATH);
+
+ vms_filespec [MAXPATH - 1] = (char) 0;
+
+ return vms_filespec;
+}
+
+#else
+#define VMS_EPOCH_OFFSET 35067168000000000
+#define VMS_GRANULARITY_FACTOR 10000000
+#endif
+
+/* Return VMS file date, size, format, version given a name. */
+
+int
+vms_file_stats_name (const char *filename, long long *cdt, long *siz, char *rfo,
+ int *ver)
+{
+#ifdef VMS
+ struct FAB fab;
+ struct NAM nam;
+
+ unsigned long long create;
+ FAT recattr;
+ char ascnamebuff [256];
+
+ ATRDEF atrlst[]
+ = {
+ { ATR$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 (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;
+
+ if ((stat (filename, &buff)) != 0)
+ return 1;
+
+ if (cdt)
+ *cdt = (long long) (buff.st_mtime * VMS_GRANULARITY_FACTOR)
+ + VMS_EPOCH_OFFSET;
+
+ if (siz)
+ *siz = buff.st_size;
+
+ if (rfo)
+ *rfo = 2; /* Stream LF format */
+
+ if (ver)
+ *ver = 1;
+
+ return 0;
+#endif
+}
+#endif
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