+ int *utf8_fl)
+{
+ char * rslt = NULL;
+
+#ifdef HAS_SYMLINK
+ if (decc_posix_compliant_pathnames > 0 ) {
+ /* realpath currently only works if posix compliant pathnames are
+ * enabled. It may start working when they are not, but in that
+ * case we still want the fallback behavior for backwards compatibility
+ */
+ rslt = realpath(filespec, outbuf);
+ }
+#endif
+
+ if (rslt == NULL) {
+ char * vms_spec;
+ char * v_spec, * r_spec, * d_spec, * n_spec, * e_spec, * vs_spec;
+ int sts, v_len, r_len, d_len, n_len, e_len, vs_len;
+ int file_len;
+
+ /* Fall back to fid_to_name */
+
+ Newx(vms_spec, VMS_MAXRSS + 1, char);
+
+ sts = vms_fid_to_name(vms_spec, VMS_MAXRSS + 1, filespec);
+ if (sts == 0) {
+
+
+ /* Now need to trim the version off */
+ sts = vms_split_path
+ (vms_spec,
+ &v_spec,
+ &v_len,
+ &r_spec,
+ &r_len,
+ &d_spec,
+ &d_len,
+ &n_spec,
+ &n_len,
+ &e_spec,
+ &e_len,
+ &vs_spec,
+ &vs_len);
+
+
+ if (sts == 0) {
+ int haslower = 0;
+ const char *cp;
+
+ /* Trim off the version */
+ int file_len = v_len + r_len + d_len + n_len + e_len;
+ vms_spec[file_len] = 0;
+
+ /* The result is expected to be in UNIX format */
+ rslt = do_tounixspec(vms_spec, outbuf, 0, utf8_fl);
+
+ /* Downcase if input had any lower case letters and
+ * case preservation is not in effect.
+ */
+ if (!decc_efs_case_preserve) {
+ for (cp = filespec; *cp; cp++)
+ if (islower(*cp)) { haslower = 1; break; }
+
+ if (haslower) __mystrtolower(rslt);
+ }
+ }
+ } else {
+
+ /* Now for some hacks to deal with backwards and forward */
+ /* compatibilty */
+ if (!decc_efs_charset) {
+
+ /* 1. ODS-2 mode wants to do a syntax only translation */
+ rslt = do_rmsexpand(filespec, outbuf,
+ 0, NULL, 0, NULL, utf8_fl);
+
+ } else {
+ if (decc_filename_unix_report) {
+ char * dir_name;
+ char * vms_dir_name;
+ char * file_name;
+
+ /* 2. ODS-5 / UNIX report mode should return a failure */
+ /* if the parent directory also does not exist */
+ /* Otherwise, get the real path for the parent */
+ /* and add the child to it.
+
+ /* basename / dirname only available for VMS 7.0+ */
+ /* So we may need to implement them as common routines */
+
+ Newx(dir_name, VMS_MAXRSS + 1, char);
+ Newx(vms_dir_name, VMS_MAXRSS + 1, char);
+ dir_name[0] = '\0';
+ file_name = NULL;
+
+ /* First try a VMS parse */
+ sts = vms_split_path
+ (filespec,
+ &v_spec,
+ &v_len,
+ &r_spec,
+ &r_len,
+ &d_spec,
+ &d_len,
+ &n_spec,
+ &n_len,
+ &e_spec,
+ &e_len,
+ &vs_spec,
+ &vs_len);
+
+ if (sts == 0) {
+ /* This is VMS */
+
+ int dir_len = v_len + r_len + d_len + n_len;
+ if (dir_len > 0) {
+ strncpy(dir_name, filespec, dir_len);
+ dir_name[dir_len] = '\0';
+ file_name = (char *)&filespec[dir_len + 1];
+ }
+ } else {
+ /* This must be UNIX */
+ char * tchar;
+
+ tchar = strrchr(filespec, '/');
+
+ if (tchar != NULL) {
+ int dir_len = tchar - filespec;
+ strncpy(dir_name, filespec, dir_len);
+ dir_name[dir_len] = '\0';
+ file_name = (char *) &filespec[dir_len + 1];
+ }
+ }
+
+ /* Dir name is defaulted */
+ if (dir_name[0] == 0) {
+ dir_name[0] = '.';
+ dir_name[1] = '\0';
+ }
+
+ /* Need realpath for the directory */
+ sts = vms_fid_to_name(vms_dir_name,
+ VMS_MAXRSS + 1,
+ dir_name);
+
+ if (sts == 0) {
+ /* Now need to pathify it.
+ char *tdir = do_pathify_dirspec(vms_dir_name,
+ outbuf, utf8_fl);
+
+ /* And now add the original filespec to it */
+ if (file_name != NULL) {
+ strcat(outbuf, file_name);
+ }
+ return outbuf;
+ }
+ Safefree(vms_dir_name);
+ Safefree(dir_name);
+ }
+ }
+ }
+ Safefree(vms_spec);
+ }
+ return rslt;
+}
+
+static char *
+mp_do_vms_realname(pTHX_ const char *filespec, char *outbuf,
+ int *utf8_fl)
https://perl5.git.perl.org / perl5.git / blobdiff