mkbootfs: Add support for dev nodes
Add the ability of packaging dev nodes in the CPIO.
Change-Id: Id1c83c8bcd3724de03214788c9af592f9817285f
diff --git a/mkbootfs/mkbootfs.c b/mkbootfs/mkbootfs.c
index 856a1d9..1b96788 100644
--- a/mkbootfs/mkbootfs.c
+++ b/mkbootfs/mkbootfs.c
@@ -8,6 +8,7 @@
#include <sys/types.h>
#include <sys/stat.h>
+#include <sys/sysmacros.h>
#include <dirent.h>
#include <stdarg.h>
@@ -22,7 +23,6 @@
** an explanation of this file format
** - dotfiles are ignored
** - directories named 'root' are ignored
-** - device notes, pipes, etc are not supported (error)
*/
static void die(const char* why, ...) {
@@ -87,6 +87,10 @@
fs_config(path, is_dir, target_out_path, &s->st_uid, &s->st_gid, &st_mode, &capabilities);
s->st_mode = (typeof(s->st_mode)) st_mode;
}
+
+ if (S_ISREG(s->st_mode) || S_ISDIR(s->st_mode) || S_ISLNK(s->st_mode)) {
+ s->st_rdev = 0;
+ }
}
static void _eject(struct stat *s, char *out, int olen, char *data, unsigned datasize)
@@ -116,8 +120,8 @@
datasize,
0, // volmajor
0, // volminor
- 0, // devmajor
- 0, // devminor,
+ major(s->st_rdev),
+ minor(s->st_rdev),
olen + 1,
0,
out,
@@ -268,6 +272,9 @@
size = readlink(in, buf, 1024);
if(size < 0) die("cannot read symlink '%s'", in);
_eject(&s, out, olen, buf, size);
+ } else if(S_ISBLK(s.st_mode) || S_ISCHR(s.st_mode) ||
+ S_ISFIFO(s.st_mode) || S_ISSOCK(s.st_mode)) {
+ _eject(&s, out, olen, NULL, 0);
} else {
die("Unknown '%s' (mode %d)?\n", in, s.st_mode);
}