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bc: rewrite "BOOL * EXPR" idiom as if() statement

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function                                             old     new   delta
bc_program_index                                      66      64      -2
bc_program_num                                      1147    1130     -17
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-19)             Total: -19 bytes
   text	   data	    bss	    dec	    hex	filename
 987619	    485	   7296	 995400	  f3048	busybox_old
 987600	    485	   7296	 995381	  f3035	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-04 21:37:56 +01:00
parent 17c5472c5a
commit d5f7703abb
1 changed files with 4 additions and 3 deletions
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7
miscutils/bc.c
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@ -2031,8 +2031,9 @@ static void bc_num_parseDecimal(BcNum *n, const char *val)
ptr = strchr(val, '.');
// Explicitly test for NULL here to produce either a 0 or 1.
n->rdx = (size_t)((ptr != NULL) * ((val + len) - (ptr + 1)));
n->rdx = 0;
if (ptr != NULL)
n->rdx = (size_t)((val + len) - (ptr + 1));
if (!zero) {
for (i = len - 1; i < len; ++n->len, i -= 1 + (i && val[i - 1] == '.'))
@ -2802,7 +2803,7 @@ static BcStatus bc_lex_number(BcLex *l, char start)
c = buf[++i];
}
len = i + 1 * !last_pt - bslashes * 2;
len = i + !last_pt - bslashes * 2;
if (len > BC_MAX_NUM)
return bc_error("number too long: must be [1, BC_NUM_MAX]");