Include exclude.h.

(exclude): New static var.
(long_options, usage, main): Add --exclude and --exclude-from or -X.
(count_entry): Skip excluded entries.

diff --git a/src/du.c b/src/du.c
index ab27050..7deac25 100644 (file)
--- a/src/du.c
+++ b/src/du.c
@@ -106,10 +106,10 @@ int lstat ();
 static int hash_insert PARAMS ((ino_t ino, dev_t dev));
 static int hash_insert2 PARAMS ((struct htab *_htab, ino_t ino, dev_t dev));
 static uintmax_t count_entry PARAMS ((const char *ent, int top, dev_t last_dev,
-                                  int depth));
+                                     int depth));
 static void du_files PARAMS ((char **files));
 static void hash_init PARAMS ((unsigned int modulus,
-                           unsigned int entry_tab_size));
+                              unsigned int entry_tab_size));
 static void hash_reset PARAMS ((void));
 static void str_concatc PARAMS ((String *s1, char *cstr));
 static void str_copyc PARAMS ((String *s1, char *cstr));
@@ -539,9 +539,8 @@ count_entry (const char *ent, int top, dev_t last_dev, int depth)
       through_symlink = (xstat == stat
                         && lstat (ent, &e_buf) == 0
                         && S_ISLNK (e_buf.st_mode));
-      if (through_symlink)
-       if (save_cwd (&cwd))
-         exit (1);
+      if (through_symlink && save_cwd (&cwd))
+       exit (1);
 
       if (chdir (ent) < 0)
        {
@@ -579,12 +578,15 @@ count_entry (const char *ent, int top, dev_t last_dev, int depth)
       pathlen = path->length;
 
       for (namep = name_space; *namep; namep += strlen (namep) + 1)
-       if (!excluded_filename (exclude, namep))
-         {
-           str_concatc (path, namep);
-           size += count_entry (namep, 0, dir_dev, depth + 1);
-           str_trunc (path, pathlen);
-         }
+       {
+         if (!excluded_filename (exclude, namep))
+           {
+             str_concatc (path, namep);
+             size += count_entry (namep, 0, dir_dev, depth + 1);
+             str_trunc (path, pathlen);
+           }
+       }
+
       free (name_space);
       if (through_symlink)
        {
@@ -592,8 +594,10 @@ count_entry (const char *ent, int top, dev_t last_dev, int depth)
          free_cwd (&cwd);
        }
       else if (chdir ("..") < 0)
-        error (1, errno,
-              _("cannot change to `..' from directory %s"), path->text);
+       {
+         error (1, errno,
+                _("cannot change to `..' from directory %s"), path->text);
+       }
 
       str_trunc (path, pathlen - 1); /* Remove the "/" we added.  */
       if (depth <= max_depth || top)
@@ -686,7 +690,7 @@ hash_insert (ino_t ino, dev_t dev)
 
       htab_r->entry_tab = (struct entry *)
        xrealloc ((char *) htab_r->entry_tab,
-                sizeof (struct entry) * entry_tab_size);
+                 sizeof (struct entry) * entry_tab_size);
 
       /* Increase the size of htab again.  */
 
@@ -774,7 +778,7 @@ str_init (String **s1, unsigned int size)
 }
 
 static void
-ensure_space (String * s, unsigned int size)
+ensure_space (String *s, unsigned int size)
 {
   if (s->alloc < size)
     {