consolidate xz format comment. no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

3 files changed, 2 insertions, 4 deletions

diff --git a/archival/rpm2cpio.c b/archival/rpm2cpio.c
index b23d5afa9..5bc50b88f 100644
--- a/archival/rpm2cpio.c
+++ b/archival/rpm2cpio.c
@@ -87,8 +87,6 @@ int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
                 if (ENABLE_FEATURE_SEAMLESS_XZ
                  && magic.b16[0] == XZ_MAGIC1
                 ) {
-                        /* .xz signature: 0xfd, '7', 'z', 'X', 'Z', 0x00 */
-                        /* More info at: http://tukaani.org/xz/xz-file-format.txt */
                         xread(rpm_fd, magic.b32, sizeof(magic.b32[0]));
                         if (magic.b32[0] != XZ_MAGIC2)
                                 goto no_magic;
diff --git a/include/unarchive.h b/include/unarchive.h
index 3b8e1575a..b55af6d9d 100644
--- a/include/unarchive.h
+++ b/include/unarchive.h
@@ -9,6 +9,8 @@ enum {
         COMPRESS_MAGIC = 0x1f9d,
         GZIP_MAGIC  = 0x1f8b,
         BZIP2_MAGIC = 'B' * 256 + 'Z',
+        /* .xz signature: 0xfd, '7', 'z', 'X', 'Z', 0x00 */
+        /* More info at: http://tukaani.org/xz/xz-file-format.txt */
         XZ_MAGIC1   = 0xfd * 256 + '7',
         XZ_MAGIC2   = (('z' * 256 + 'X') * 256 + 'Z') * 256 + 0,
         /* Different form: 32 bits, then 16 bits: */
diff --git a/libbb/read_printf.c b/libbb/read_printf.c
index 6780b94ef..1b215f97a 100644
--- a/libbb/read_printf.c
+++ b/libbb/read_printf.c
@@ -289,8 +289,6 @@ void FAST_FUNC setup_unzip_on_fd(int fd /*, int fail_if_not_detected*/)
         if (ENABLE_FEATURE_SEAMLESS_XZ
          && magic.b16[0] == XZ_MAGIC1
         ) {
-                /* .xz signature: 0xfd, '7', 'z', 'X', 'Z', 0x00 */
-                /* More info at: http://tukaani.org/xz/xz-file-format.txt */
                 offset = -6;
                 xread(fd, magic.b32, sizeof(magic.b32[0]));
                 if (magic.b32[0] == XZ_MAGIC2) {