bc: G.sbgn and G.send are unused, remove them

function                                             old     new   delta
bc_program_index                                      66      64      -2
bc_parse_expr_empty_ok                              1840    1838      -2
dc_main                                              176     168      -8
bc_main                                               73      65      -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-20)             Total: -20 bytes
   text	   data	    bss	    dec	    hex	filename
 980327	    485	   7296	 988108	  f13cc	busybox_old
 980307	    485	   7296	 988088	  f13b8	busybox_unstripped

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

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 5930caa32f85958af5da03640ca581470fe673f2..a271a20407c77a1606910f8bc9b7370de3708f58 100644 (file)
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -717,8 +717,6 @@ struct globals {
        IF_FEATURE_BC_SIGNALS(smallint ttyin;)
        IF_FEATURE_CLEAN_UP(smallint exiting;)
        smallint in_read;
-       char sbgn;
-       char send;
 
        BcParse prs;
        BcProgram prog;
@@ -7075,10 +7073,9 @@ static BC_STATUS zbc_vm_stdin(void)
                while (*string) {
                        char c = *string;
                        if (string == buffer.v || string[-1] != '\\') {
-                               // checking applet type is cheaper than accessing sbgn/send
-                               if (IS_BC) // bc: sbgn = send = '"'
+                               if (IS_BC)
                                        str ^= (c == '"');
-                               else { // dc: sbgn = '[', send = ']'
+                               else {
                                        if (c == ']')
                                                str -= 1;
                                        else if (c == '[')
@@ -7513,7 +7510,6 @@ int bc_main(int argc UNUSED_PARAM, char **argv)
        int is_tty;
 
        INIT_G();
-       G.sbgn = G.send = '"';
 
        is_tty = bc_vm_init("BC_LINE_LENGTH");
 
@@ -7533,8 +7529,6 @@ int dc_main(int argc UNUSED_PARAM, char **argv)
        int noscript;
 
        INIT_G();
-       G.sbgn = '[';
-       G.send = ']';
        /*
         * TODO: dc (GNU bc 1.07.1) 1.4.1 seems to use width
         * 1 char wider than bc from the same package.