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

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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
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(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>
This commit is contained in:
Denys Vlasenko 2018-12-13 21:17:43 +01:00
parent 0fe270e775
commit bbcecc4118
1 changed files with 2 additions and 8 deletions
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10
miscutils/bc.c
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@ -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.