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Re: Filename qualifier M and symbolic links



Johan Danielsson wrote:
> $ ls -l
> total 5
> drwxr-xr-x   2 joda     30           2048 Jun 20 20:30 a
> -rw-r--r--   1 joda     30              0 Jun 20 20:30 b
> lrwxr-xr-x   1 joda     30              1 Jun 20 20:30 c -> a
> $ echo *(M)
> a/ b c
> $ echo *(-M)
> a/ b c
> 
> Shouldn't the second echo output "a/ b c/"?

Yes, I would have thought so.  Try this.  (It looks like this is the
only stat() call that isn't somehow covered.)  You get into trouble if
you have list_types without following links and mark_dirs with, or
vice versa, but you deserve it.  It might be a little neater with bit
flags instead of the gf_* variables.

*** Src/glob.c.follow	Mon Jun 16 10:45:58 1997
--- Src/glob.c	Mon Jun 23 09:57:02 1997
***************
*** 77,83 ****
  /* Other state values for current pattern */
  static int qualct, qualorct;
  static int range, amc, units;
! static int gf_nullglob, gf_markdirs, gf_noglobdots, gf_listtypes;
  
  /* Prefix, suffix for doing zle trickery */
  char *glob_pre, *glob_suf;
--- 77,83 ----
  /* Other state values for current pattern */
  static int qualct, qualorct;
  static int range, amc, units;
! static int gf_nullglob, gf_markdirs, gf_noglobdots, gf_listtypes, gf_follow;
  
  /* Prefix, suffix for doing zle trickery */
  char *glob_pre, *glob_suf;
***************
*** 172,178 ****
      if (gf_listtypes || gf_markdirs) {
  	/* Add the type marker to the end of the filename */
  	checked = statted = 1;
! 	if (lstat(unmetafy(getfullpath(s), NULL), &buf))
  	    return;
  	if (gf_listtypes || S_ISDIR(buf.st_mode)) {
  	    char *t;
--- 172,179 ----
      if (gf_listtypes || gf_markdirs) {
  	/* Add the type marker to the end of the filename */
  	checked = statted = 1;
! 	if (gf_follow ? stat(unmetafy(getfullpath(s), NULL), &buf)
! 	    : lstat(unmetafy(getfullpath(s), NULL), &buf))
  	    return;
  	if (gf_listtypes || S_ISDIR(buf.st_mode)) {
  	    char *t;
***************
*** 798,804 ****
      colonmod = NULL;
      gf_nullglob = isset(NULLGLOB);
      gf_markdirs = isset(MARKDIRS);
!     gf_listtypes = 0;
      gf_noglobdots = unset(GLOBDOTS);
      if (str[sl - 1] == Outpar) {	/* check for qualifiers */
  	char *s;
--- 799,805 ----
      colonmod = NULL;
      gf_nullglob = isset(NULLGLOB);
      gf_markdirs = isset(MARKDIRS);
!     gf_listtypes = gf_follow = 0;
      gf_noglobdots = unset(GLOBDOTS);
      if (str[sl - 1] == Outpar) {	/* check for qualifiers */
  	char *s;
***************
*** 1052,1062 ****
  			break;
  		    case 'M':
  			/* Mark directories with a / */
! 			gf_markdirs = !(sense & 1);
  			break;
  		    case 'T':
  			/* Mark types in a `ls -F' type fashion */
! 			gf_listtypes = !(sense & 1);
  			break;
  		    case 'N':
  			/* Nullglob:  remove unmatched patterns. */
--- 1053,1065 ----
  			break;
  		    case 'M':
  			/* Mark directories with a / */
! 			if ((gf_markdirs = !(sense & 1)))
! 			    gf_follow = sense & 2;
  			break;
  		    case 'T':
  			/* Mark types in a `ls -F' type fashion */
! 			if ((gf_listtypes = !(sense & 1)))
! 			    gf_follow = sense & 2;
  			break;
  		    case 'N':
  			/* Nullglob:  remove unmatched patterns. */

-- 
Peter Stephenson <pws@xxxxxx>       Tel: +49 33762 77366
WWW:  http://www.ifh.de/~pws/       Fax: +49 33762 77413
Deutsches Elektronen-Synchrotron --- Institut fuer Hochenergiephysik Zeuthen
DESY-IfH, 15735 Zeuthen, Germany.



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