updates for supporting Linux kernel build and initrd utilities

cpio: --verbose, --quiet, --to-stdout
test: make 64-bit math enable-able for hush too
dnsdomainname: alias to hostname -d
hostname: support --fqdn, --domain, --file

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

5 files changed, 115 insertions, 35 deletions

diff --git a/archival/cpio.c b/archival/cpio.c
index a6484e5c0..5b4135f66 100644
--- a/archival/cpio.c
+++ b/archival/cpio.c
@@ -88,9 +88,17 @@ enum {
         CPIO_OPT_PRESERVE_MTIME     = (1 << 6),
         CPIO_OPT_DEREF              = (1 << 7),
         CPIO_OPT_FILE               = (1 << 8),
-        CPIO_OPT_CREATE             = (1 << 9) * ENABLE_FEATURE_CPIO_O,
-        CPIO_OPT_FORMAT             = (1 << 10) * ENABLE_FEATURE_CPIO_O,
-        CPIO_OPT_PASSTHROUGH        = (1 << 11) * ENABLE_FEATURE_CPIO_P,
+        OPTBIT_FILE = 8,
+        IF_FEATURE_CPIO_O(OPTBIT_CREATE     ,)
+        IF_FEATURE_CPIO_O(OPTBIT_FORMAT     ,)
+        IF_FEATURE_CPIO_P(OPTBIT_PASSTHROUGH,)
+        IF_LONG_OPTS(     OPTBIT_QUIET      ,)
+        IF_LONG_OPTS(     OPTBIT_2STDOUT    ,)
+        CPIO_OPT_CREATE             = IF_FEATURE_CPIO_O((1 << OPTBIT_CREATE     )) + 0,
+        CPIO_OPT_FORMAT             = IF_FEATURE_CPIO_O((1 << OPTBIT_FORMAT     )) + 0,
+        CPIO_OPT_PASSTHROUGH        = IF_FEATURE_CPIO_P((1 << OPTBIT_PASSTHROUGH)) + 0,
+        CPIO_OPT_QUIET              = IF_LONG_OPTS(     (1 << OPTBIT_QUIET      )) + 0,
+        CPIO_OPT_2STDOUT            = IF_LONG_OPTS(     (1 << OPTBIT_2STDOUT    )) + 0,
 };
 
 #define OPTION_STR "it0uvdmLF:"
@@ -284,6 +292,9 @@ int cpio_main(int argc UNUSED_PARAM, char **argv)
                 "pass-through\0" No_argument       "p"
 #endif
 #endif
+                "verbose\0"      No_argument       "v"
+                "quiet\0"        No_argument       "\xff"
+                "to-stdout\0"    No_argument       "\xfe"
                 ;
 #endif
 
@@ -372,6 +383,8 @@ int cpio_main(int argc UNUSED_PARAM, char **argv)
         }
         if (opt & CPIO_OPT_EXTRACT) {
                 archive_handle->action_data = data_extract_all;
+                if (opt & CPIO_OPT_2STDOUT)
+                        archive_handle->action_data = data_extract_to_stdout;
         }
         if (opt & CPIO_OPT_UNCONDITIONAL) {
                 archive_handle->ah_flags |= ARCHIVE_EXTRACT_UNCONDITIONAL;
@@ -406,7 +419,9 @@ int cpio_main(int argc UNUSED_PARAM, char **argv)
         while (get_header_cpio(archive_handle) == EXIT_SUCCESS)
                 continue;
 
-        if (archive_handle->ah_priv[2] != (void*) ~(ptrdiff_t)0)
+        if (archive_handle->ah_priv[2] != (void*) ~(ptrdiff_t)0
+         && !(opt & CPIO_OPT_QUIET)
+        )
                 printf("%lu blocks\n", (unsigned long)(ptrdiff_t)(archive_handle->ah_priv[2]));
 
         return EXIT_SUCCESS;
diff --git a/coreutils/Config.in b/coreutils/Config.in
index f9db0671d..1bc047c9a 100644
--- a/coreutils/Config.in
+++ b/coreutils/Config.in
@@ -667,7 +667,7 @@ config TEST
 config FEATURE_TEST_64
         bool "Extend test to 64 bit"
         default n
-        depends on TEST || ASH_BUILTIN_TEST
+        depends on TEST || ASH_BUILTIN_TEST || HUSH
         help
           Enable 64-bit support in test.
 
diff --git a/include/applets.h b/include/applets.h
index 929616016..905bab393 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -127,6 +127,7 @@ IF_DIFF(APPLET(diff, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 IF_DIRNAME(APPLET_NOFORK(dirname, dirname, _BB_DIR_USR_BIN, _BB_SUID_NEVER, dirname))
 IF_DMESG(APPLET(dmesg, _BB_DIR_BIN, _BB_SUID_NEVER))
 IF_DNSD(APPLET(dnsd, _BB_DIR_USR_SBIN, _BB_SUID_ALWAYS))
+IF_HOSTNAME(APPLET_ODDNAME(dnsdomainname, hostname, _BB_DIR_BIN, _BB_SUID_NEVER, dnsdomainname))
 IF_DOS2UNIX(APPLET(dos2unix, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 IF_DPKG(APPLET(dpkg, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 IF_DPKG_DEB(APPLET_ODDNAME(dpkg-deb, dpkg_deb, _BB_DIR_USR_BIN, _BB_SUID_NEVER, dpkg_deb))
diff --git a/include/usage.h b/include/usage.h
index 91bc01ee4..f65406254 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -1675,6 +1675,9 @@
        "$ hostname\n" \
        "sage\n"
 
+#define dnsdomainname_trivial_usage NOUSAGE_STR
+#define dnsdomainname_full_usage ""
+
 #define httpd_trivial_usage \
        "[-ifv[v]]" \
        " [-c CONFFILE]" \
diff --git a/networking/hostname.c b/networking/hostname.c
index 48e70db91..7a120fa2c 100644
--- a/networking/hostname.c
+++ b/networking/hostname.c
@@ -4,20 +4,17 @@
  *
  * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
  *
- * adjusted by Erik Andersen <andersen@codepoet.org> to remove
+ * Adjusted by Erik Andersen <andersen@codepoet.org> to remove
  * use of long options and GNU getopt.  Improved the usage info.
  *
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
-
 #include "libbb.h"
 
 static void do_sethostname(char *s, int isfile)
 {
-        if (!s)
-                return;
+//      if (!s)
+//              return;
         if (isfile) {
                 parser_t *parser = config_open2(s, xfopen_for_read);
                 while (config_read(parser, &s, 1, 1, "# \t", PARSE_NORMAL & ~PARSE_GREEDY)) {
@@ -25,15 +22,65 @@ static void do_sethostname(char *s, int isfile)
                 }
                 if (ENABLE_FEATURE_CLEAN_UP)
                         config_close(parser);
-        } else if (sethostname(s, strlen(s)) < 0) {
-                if (errno == EPERM)
-                        bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
+        } else if (sethostname(s, strlen(s))) {
+//              if (errno == EPERM)
+//                      bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
                 bb_perror_msg_and_die("sethostname");
         }
 }
 
+/* Manpage circa 2009:
+ *
+ * hostname [-v] [-a] [--alias] [-d] [--domain] [-f] [--fqdn] [--long] 
+ *      [-i] [--ip-address] [-s] [--short] [-y] [--yp] [--nis]
+ *
+ * hostname [-v] [-F filename] [--file filename] / [hostname]
+ *
+ * domainname [-v] [-F filename] [--file filename]  / [name]
+ *  { bbox: not supported }
+ *
+ * nodename [-v] [-F filename] [--file filename] / [name]
+ *  { bbox: not supported }
+ *
+ * dnsdomainname [-v]
+ *  { bbox: supported: Linux kernel build needs this }
+ * nisdomainname [-v]
+ *  { bbox: not supported }
+ * ypdomainname [-v]
+ *  { bbox: not supported }
+ *
+ * -a, --alias
+ *  Display the alias name of the host (if used).
+ *  { bbox: not supported }
+ * -d, --domain
+ *  Display the name of the DNS domain. Don't use the command
+ *  domainname to get the DNS domain name because it will show the
+ *  NIS domain name and not the DNS domain name. Use dnsdomainname
+ *  instead.
+ * -f, --fqdn, --long
+ *  Display the FQDN (Fully Qualified Domain Name). A FQDN consists
+ *  of a short host name and the DNS domain name. Unless you are
+ *  using bind or NIS for host lookups you can change the FQDN and
+ *  the DNS domain name (which is part of the FQDN) in the
+ *  /etc/hosts file.
+ * -i, --ip-address
+ *  Display the IP address(es) of the host.
+ * -s, --short
+ *  Display the short host name. This is the host name cut at the
+ *  first dot.
+ * -v, --verbose
+ *  Be verbose and tell what's going on.
+ *  { bbox: supported but ignored }
+ * -y, --yp, --nis
+ *  Display the NIS domain name. If a parameter is given (or --file
+ *  name ) then root can also set a new NIS domain.
+ *  { bbox: not supported }
+ * -F, --file filename
+ *  Read the host name from the specified file. Comments (lines
+ *  starting with a `#') are ignored.
+ */
 int hostname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int hostname_main(int argc, char **argv)
+int hostname_main(int argc UNUSED_PARAM, char **argv)
 {
         enum {
                 OPT_d = 0x1,
@@ -44,49 +91,63 @@ int hostname_main(int argc, char **argv)
                 OPT_dfis = 0xf,
         };
 
+        unsigned opts;
         char *buf;
         char *hostname_str;
 
-        if (argc < 1)
-                bb_show_usage();
+#if ENABLE_LONG_OPTS
+        applet_long_options =
+                "domain\0"     No_argument "d"
+                "fqdn\0"       No_argument "f"
+        //Enable if seen in active use in some distro:
+        //      "long\0"       No_argument "f"
+        //      "ip-address\0" No_argument "i"
+        //      "short\0"      No_argument "s"
+        //      "verbose\0"    No_argument "v"
+                "file\0"       No_argument "F"
+                ;
 
-        getopt32(argv, "dfisF:", &hostname_str);
+#endif
+        /* dnsdomainname from net-tools 1.60, hostname 1.100 (2001-04-14),
+         * supports hostname's options too (not just -v as manpage says) */
+        opts = getopt32(argv, "dfisF:v", &hostname_str);
         argv += optind;
         buf = safe_gethostname();
+        if (applet_name[0] == 'd') /* dnsdomainname? */
+                opts = OPT_d;
 
-        /* Output in desired format */
-        if (option_mask32 & OPT_dfis) {
+        if (opts & OPT_dfis) {
+                /* Cases when we need full hostname (or its part) */
                 struct hostent *hp;
                 char *p;
+
                 hp = xgethostbyname(buf);
-                p = strchr(hp->h_name, '.');
-                if (option_mask32 & OPT_f) {
+                p = strchrnul(hp->h_name, '.');
+                if (opts & OPT_f) {
                         puts(hp->h_name);
-                } else if (option_mask32 & OPT_s) {
-                        if (p)
-                                *p = '\0';
+                } else if (opts & OPT_s) {
+                        *p = '\0';
                         puts(hp->h_name);
-                } else if (option_mask32 & OPT_d) {
-                        if (p)
+                } else if (opts & OPT_d) {
+                        if (*p)
                                 puts(p + 1);
-                } else if (option_mask32 & OPT_i) {
+                } else /*if (opts & OPT_i)*/ {
                         while (hp->h_addr_list[0]) {
                                 printf("%s ", inet_ntoa(*(struct in_addr *) (*hp->h_addr_list++)));
                         }
                         bb_putchar('\n');
                 }
-        }
-        /* Set the hostname */
-        else if (option_mask32 & OPT_F) {
+        } else if (opts & OPT_F) {
+                /* Set the hostname */
                 do_sethostname(hostname_str, 1);
         } else if (argv[0]) {
+                /* Set the hostname */
                 do_sethostname(argv[0], 0);
-        }
-        /* Or if all else fails,
-         * just print the current hostname */
-        else {
+        } else {
+                /* Just print the current hostname */
                 puts(buf);
         }
+
         if (ENABLE_FEATURE_CLEAN_UP)
                 free(buf);
         return EXIT_SUCCESS;