this is need to support symlink in envfs

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagn...@jcrosoft.com>
---
 include/libbb.h        |    2 +-
 lib/recursive_action.c |    7 ++++++-
 scripts/bareboxenv.c   |    2 +-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/libbb.h b/include/libbb.h
index 110e8ec..47b2e08 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -14,7 +14,7 @@ char* last_char_is(const char *s, int c);
 
 enum {
        ACTION_RECURSE     = (1 << 0),
-       /* ACTION_FOLLOWLINKS = (1 << 1), - unused */
+       ACTION_FOLLOWLINKS    = (1 << 1),
        ACTION_DEPTHFIRST  = (1 << 2),
        /*ACTION_REVERSE   = (1 << 3), - unused */
 };
diff --git a/lib/recursive_action.c b/lib/recursive_action.c
index 1ef758d..5bc2595 100644
--- a/lib/recursive_action.c
+++ b/lib/recursive_action.c
@@ -54,14 +54,19 @@ int recursive_action(const char *fileName,
                const unsigned depth)
 {
        struct stat statbuf;
+       unsigned follow;
        int status;
        DIR *dir;
        struct dirent *next;
 
        if (!fileAction) fileAction = true_action;
        if (!dirAction) dirAction = true_action;
-       status = stat(fileName, &statbuf);
 
+       follow = ACTION_FOLLOWLINKS;
+       if (depth == 0)
+               follow = ACTION_FOLLOWLINKS;
+       follow &= flags;
+       status = (follow ? stat : lstat)(fileName, &statbuf);
        if (status < 0) {
 #ifdef DEBUG_RECURS_ACTION
                bb_error_msg("status=%d followLinks=%d TRUE=%d",
diff --git a/scripts/bareboxenv.c b/scripts/bareboxenv.c
index 866e345..f7f5351 100644
--- a/scripts/bareboxenv.c
+++ b/scripts/bareboxenv.c
@@ -73,7 +73,7 @@ char* last_char_is(const char *s, int c)
 
 enum {
        ACTION_RECURSE     = (1 << 0),
-       /* ACTION_FOLLOWLINKS = (1 << 1), - unused */
+       ACTION_FOLLOWLINKS = (1 << 1),
        ACTION_DEPTHFIRST  = (1 << 2),
        /*ACTION_REVERSE   = (1 << 3), - unused */
 };
-- 
1.7.10.4


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

Reply via email to