From 988abb33a5c9d8023a8e1bd5535a75a16e5d9e46 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Mon, 12 May 2008 00:52:27 -0500
Subject: Update mdev to work around the newest sysfs api breakage in the
 2.6.25 kernel. (Yeah, I know sysfs hasn't actually got an API, but I like to
 pretend...)

---
 lib/dirtree.c | 6 ++++--
 lib/lib.c     | 5 +++++
 lib/lib.h     | 2 ++
 3 files changed, 11 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/dirtree.c b/lib/dirtree.c
index 45ee139c..a695bb36 100644
--- a/lib/dirtree.c
+++ b/lib/dirtree.c
@@ -58,6 +58,7 @@ struct dirtree *dirtree_read(char *path, struct dirtree *parent,
 
 	if (!(dir = opendir(path))) perror_msg("No %s", path);
 	else for (;;) {
+		int norecurse = 0;
 		struct dirent *entry = readdir(dir);
 		if (!entry) {
 			closedir(dir);
@@ -74,8 +75,9 @@ struct dirtree *dirtree_read(char *path, struct dirtree *parent,
 		*ddt = dirtree_add_node(path);
 		if (!*ddt) continue;
 		(*ddt)->parent = parent;
-		if (callback) callback(path, *ddt);
-		if (entry->d_type == DT_DIR)
+		(*ddt)->depth = parent ? parent->depth + 1 : 1;
+		if (callback) norecurse = callback(path, *ddt);
+		if (!norecurse && entry->d_type == DT_DIR)
 			(*ddt)->child = dirtree_read(path, *ddt, callback);
 		if (callback) free(*ddt);
 		else ddt = &((*ddt)->next);
diff --git a/lib/lib.c b/lib/lib.c
index 6102e1b4..0e3fe020 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -326,6 +326,11 @@ char *xabspath(char *path)
 	return path;
 }
 
+void xchdir(char *path)
+{
+	if (chdir(path)) error_exit("chdir '%s'");
+}
+
 // Ensure entire path exists.
 // If mode != -1 set permissions on newly created dirs.
 // Requires that path string be writable (for temporary null terminators).
diff --git a/lib/lib.h b/lib/lib.h
index 8ffd103f..f8f52e66 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -36,6 +36,7 @@ void get_optflags(void);
 struct dirtree {
 	struct dirtree *next, *child, *parent;
 	struct stat st;
+	int depth;
 	char name[];
 };
 
@@ -75,6 +76,7 @@ void xwrite(int fd, void *buf, size_t len);
 char *xgetcwd(void);
 void xstat(char *path, struct stat *st);
 char *xabspath(char *path);
+void xchdir(char *path);
 void xmkpath(char *path, int mode);
 struct string_list *find_in_path(char *path, char *filename);
 void utoa_to_buf(unsigned n, char *buf, unsigned buflen);
-- 
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