From fec3fd1f8ac1db9ed87b79bd3eb5e38aa835e881 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sat, 26 Jul 2014 13:30:40 -0500
Subject: Move DIRTREE_COMEAGAIN second callback up to when the filehandle is
 still open, and add dir->again variable to distinguish second call instead of
 checking for -1 filehandle.

---
 toys/posix/chgrp.c | 2 +-
 toys/posix/cp.c    | 2 +-
 toys/posix/du.c    | 4 ++--
 toys/posix/rm.c    | 4 ++--
 4 files changed, 6 insertions(+), 6 deletions(-)

(limited to 'toys/posix')

diff --git a/toys/posix/chgrp.c b/toys/posix/chgrp.c
index c53ea21d..24af46ac 100644
--- a/toys/posix/chgrp.c
+++ b/toys/posix/chgrp.c
@@ -44,7 +44,7 @@ static int do_chgrp(struct dirtree *node)
 
   // Depth first search
   if (!dirtree_notdotdot(node)) return 0;
-  if ((flags & FLAG_R) && node->data != -1 && S_ISDIR(node->st.st_mode))
+  if ((flags & FLAG_R) && !node->again && S_ISDIR(node->st.st_mode))
     return DIRTREE_COMEAGAIN|((flags&FLAG_L) ? DIRTREE_SYMFOLLOW : 0);
 
   fd = dirtree_parentfd(node);
diff --git a/toys/posix/cp.c b/toys/posix/cp.c
index 283ee978..aecd1870 100644
--- a/toys/posix/cp.c
+++ b/toys/posix/cp.c
@@ -84,7 +84,7 @@ int cp_node(struct dirtree *try)
   if (!dirtree_notdotdot(try)) return 0;
 
   // If returning from COMEAGAIN, jump straight to -p logic at end.
-  if (S_ISDIR(try->st.st_mode) && try->data == -1) {
+  if (S_ISDIR(try->st.st_mode) && try->again) {
     fdout = try->extra;
     err = 0;
   } else {
diff --git a/toys/posix/du.c b/toys/posix/du.c
index 2bfa7e41..22a26d3a 100644
--- a/toys/posix/du.c
+++ b/toys/posix/du.c
@@ -111,12 +111,12 @@ static int do_du(struct dirtree *node)
     return 0;
 
   // Don't count hard links twice
-  if (!(toys.optflags & FLAG_l) && node->data != -1)
+  if (!(toys.optflags & FLAG_l) && !node->again)
     if (seen_inode(&TT.inodes, &node->st)) return 0;
 
   // Collect child info before printing directory size
   if (S_ISDIR(node->st.st_mode)) {
-    if (node->data != -1) {
+    if (!node->again) {
       TT.depth++;
       return DIRTREE_COMEAGAIN | (DIRTREE_SYMFOLLOW*!!(toys.optflags & FLAG_L));
     } else TT.depth--;
diff --git a/toys/posix/rm.c b/toys/posix/rm.c
index 15359cb1..2f40106f 100644
--- a/toys/posix/rm.c
+++ b/toys/posix/rm.c
@@ -37,7 +37,7 @@ static int do_rm(struct dirtree *try)
   // This is either the posix section 2(b) prompt or the section 3 prompt.
   if (!(flags & FLAG_f)
     && (!S_ISLNK(try->st.st_mode) && faccessat(fd, try->name, W_OK, 0))) or++;
-  if (!(dir && try->data == -1) && ((or && isatty(0)) || (flags & FLAG_i))) {
+  if (!(dir && try->again) && ((or && isatty(0)) || (flags & FLAG_i))) {
     char *s = dirtree_path(try, 0);
     fprintf(stderr, "rm %s%s", or ? "ro " : "", dir ? "dir " : "");
     or = yesno(s, 0);
@@ -52,7 +52,7 @@ static int do_rm(struct dirtree *try)
       if (toys.optflags & FLAG_f) wfchmodat(fd, try->name, 0600);
       else goto skip;
     }
-    if (try->data != -1) return DIRTREE_COMEAGAIN;
+    if (!try->again) return DIRTREE_COMEAGAIN;
     using = AT_REMOVEDIR;
     if (try->symlink) goto skip;
     if (flags & FLAG_i) {
-- 
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