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Re: bin/43751: ls -L returns wrong exit code



The following reply was made to PR bin/43751; it has been noted by GNATS.

From: john heasley <heas%shrubbery.net@localhost>
To: Christos Zoulas <christos%zoulas.com@localhost>
Cc: john heasley <heas%shrubbery.net@localhost>, 
gnats-bugs%NetBSD.org@localhost,
        gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost,
        heas%sea.shrubbery.net@localhost
Subject: Re: bin/43751: ls -L returns wrong exit code
Date: Fri, 13 Aug 2010 10:12:11 -0700

 Fri, Aug 13, 2010 at 12:55:46PM -0400, Christos Zoulas:
 > On Aug 13,  9:54am, heas%shrubbery.net@localhost (john heasley) wrote:
 > -- Subject: Re: bin/43751: ls -L returns wrong exit code
 > 
 > | rather than print the file & error?  ie: only the error.  as below.
 > 
 > It is better to set errno and use warn, rather than warnx and strerror.
 > 
 
 Index: ls.c
 ===================================================================
 RCS file: /cvsroot/src/bin/ls/ls.c,v
 retrieving revision 1.67
 diff -d -u -d -u -r1.67 ls.c
 --- ls.c       8 Jul 2010 20:43:34 -0000       1.67
 +++ ls.c       13 Aug 2010 17:11:37 -0000
 @@ -68,7 +68,7 @@
  #include "ls.h"
  #include "extern.h"
  
 -static void    display(FTSENT *, FTSENT *);
 +static void    display(FTSENT *, FTSENT *, int);
  static int     mastercmp(const FTSENT **, const FTSENT **);
  static void    traverse(int, char **, int);
  
 @@ -397,7 +397,7 @@
            fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL)
                err(EXIT_FAILURE, NULL);
  
 -      display(NULL, fts_children(ftsp, 0));
 +      display(NULL, fts_children(ftsp, 0), options);
        if (f_listdir) {
                (void)fts_close(ftsp);
                return;
 @@ -437,7 +437,7 @@
                        }
  
                        chp = fts_children(ftsp, ch_options);
 -                      display(p, chp);
 +                      display(p, chp, options);
  
                        if (!f_recursive && chp != NULL)
                                (void)fts_set(ftsp, p, FTS_SKIP);
 @@ -456,7 +456,7 @@
   * points to the parent directory of the display list.
   */
  static void
 -display(FTSENT *p, FTSENT *list)
 +display(FTSENT *p, FTSENT *list, int options)
  {
        struct stat *sp;
        DISPLAY d;
 @@ -501,6 +501,13 @@
                        rval = EXIT_FAILURE;
                        continue;
                }
 +              if (cur->fts_info == FTS_SLNONE && (options & FTS_LOGICAL)) {
 +                      errno = ENOENT;
 +                      warnx("cannot access %s", cur->fts_name);
 +                      cur->fts_number = NO_PRINT;
 +                      rval = EXIT_FAILURE;
 +                      continue;
 +              }
  
                /*
                 * P is NULL if list is the argv list, to which different rules
 


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