Hello Roberto, On Do, Mai 23, 2019 at 02:18:03 +0200, Roberto Sassu wrote: > This patch adds support for file metadata (only TYPE_XATTR metadata type). > gen_init_cpio has been modified to read xattrs from files that will be > added to the image and to include file metadata as separate files with the > special name 'METADATA!!!'. > > This behavior can be selected by setting the desired file metadata type as > value for CONFIG_INITRAMFS_FILE_METADATA. > > Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx> > --- > usr/Kconfig | 8 +++ > usr/Makefile | 4 +- > usr/gen_init_cpio.c | 137 ++++++++++++++++++++++++++++++++++++-- > usr/gen_initramfs_list.sh | 10 ++- > 4 files changed, 150 insertions(+), 9 deletions(-) > > diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c > index 03b21189d58b..e93cb1093e77 100644 > --- a/usr/gen_init_cpio.c > +++ b/usr/gen_init_cpio.c [..] > +static int write_xattrs(const char *path) > +{ [..] > + > + snprintf(str, sizeof(str), "%.8lx", > + sizeof(hdr) + name_len + 1 + value_len); Cppcheck 2.7 reports at this line: usr/gen_init_cpio.c:107,portability,invalidPrintfArgType_uint,%lx in format string (no. 1) requires 'unsigned long' but the argument type is 'size_t {aka unsigned long}'. This can be addressed via 's/lx/zx/', according to https://www.kernel.org/doc/Documentation/printk-formats.txt . BR, Eugeniu