better shared strings trick

   text	   data	    bss	    dec	    hex	filename
 861980	    441	   7540	 869961	  d4649	busybox_old
 861914	    441	   7540	 869895	  d4607	busybox_unstripped

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

4 files changed, 3 insertions, 28 deletions

diff --git a/libbb/Kbuild.src b/libbb/Kbuild.src
index 5db4d8a62..b02fcfe74 100644
--- a/libbb/Kbuild.src
+++ b/libbb/Kbuild.src
@@ -64,7 +64,6 @@ lib-y += md5.o
 #lib-y += md5prime.o
 lib-y += messages.o
 lib-y += mode_string.o
-lib-y += mtab_file.o
 lib-y += obscure.o
 lib-y += parse_mode.o
 lib-y += parse_config.o
diff --git a/libbb/inet_common.c b/libbb/inet_common.c
index b47259089..e031ddf9b 100644
--- a/libbb/inet_common.c
+++ b/libbb/inet_common.c
@@ -23,7 +23,7 @@ int FAST_FUNC INET_resolve(const char *name, struct sockaddr_in *s_in, int hostf
 	s_in->sin_port = 0;
 
 	/* Default is special, meaning 0.0.0.0. */
-	if (!strcmp(name, bb_str_default)) {
+	if (strcmp(name, "default") == 0) {
 		s_in->sin_addr.s_addr = INADDR_ANY;
 		return 1;
 	}
@@ -109,7 +109,7 @@ char* FAST_FUNC INET_rresolve(struct sockaddr_in *s_in, int numeric, uint32_t ne
 	if (ad == INADDR_ANY) {
 		if ((numeric & 0x0FFF) == 0) {
 			if (numeric & 0x8000)
-				return xstrdup(bb_str_default);
+				return xstrdup("default");
 			return xstrdup("*");
 		}
 	}
@@ -205,7 +205,7 @@ char* FAST_FUNC INET6_rresolve(struct sockaddr_in6 *sin6, int numeric)
 	}
 	if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
 		if (numeric & 0x8000)
-			return xstrdup(bb_str_default);
+			return xstrdup("default");
 		return xstrdup("*");
 	}
 
diff --git a/libbb/messages.c b/libbb/messages.c
index 44b39942f..66e466ffa 100644
--- a/libbb/messages.c
+++ b/libbb/messages.c
@@ -24,8 +24,6 @@ const char bb_banner[] ALIGN1 = BANNER;
 
 const char bb_msg_memory_exhausted[] ALIGN1 = "memory exhausted";
 const char bb_msg_invalid_date[] ALIGN1 = "invalid date '%s'";
-const char bb_msg_write_error[] ALIGN1 = "write error";
-const char bb_msg_read_error[] ALIGN1 = "read error";
 const char bb_msg_unknown[] ALIGN1 = "(unknown)";
 const char bb_msg_can_not_create_raw_socket[] ALIGN1 = "can't create raw socket";
 const char bb_msg_perm_denied_are_you_root[] ALIGN1 = "permission denied (are you root?)";
@@ -35,15 +33,8 @@ const char bb_msg_invalid_arg[] ALIGN1 = "invalid argument '%s' to '%s'";
 const char bb_msg_standard_input[] ALIGN1 = "standard input";
 const char bb_msg_standard_output[] ALIGN1 = "standard output";
 
-const char bb_str_default[] ALIGN1 = "default";
 const char bb_hexdigits_upcase[] ALIGN1 = "0123456789ABCDEF";
 
-const char bb_path_passwd_file[] ALIGN1 = "/etc/passwd";
-const char bb_path_shadow_file[] ALIGN1 = "/etc/shadow";
-const char bb_path_group_file[] ALIGN1 = "/etc/group";
-const char bb_path_gshadow_file[] ALIGN1 = "/etc/gshadow";
-const char bb_path_motd_file[] ALIGN1 = "/etc/motd";
-const char bb_dev_null[] ALIGN1 = "/dev/null";
 const char bb_busybox_exec_path[] ALIGN1 = CONFIG_BUSYBOX_EXEC_PATH;
 const char bb_default_login_shell[] ALIGN1 = LIBBB_DEFAULT_LOGIN_SHELL;
 /* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin,
diff --git a/libbb/mtab_file.c b/libbb/mtab_file.c
deleted file mode 100644
index add990ded..000000000
--- a/libbb/mtab_file.c
+++ /dev/null
@@ -1,15 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * Utility routines.
- *
- * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
- *
- * Licensed under GPLv2 or later, see file LICENSE in this source tree.
- */
-
-#include "libbb.h"
-
-/* Busybox mount uses either /proc/mounts or /etc/mtab to
- * get the list of currently mounted filesystems */
-const char bb_path_mtab_file[] ALIGN1 =
-IF_FEATURE_MTAB_SUPPORT("/etc/mtab")IF_NOT_FEATURE_MTAB_SUPPORT("/proc/mounts");