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bc: optimize bc_vec_concat()

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function                                             old     new   delta
bc_vec_concat                                         71      66      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-10 15:12:58 +01:00
parent a7f1a36540
commit 8b4cf0dbb0
1 changed files with 4 additions and 3 deletions
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7
miscutils/bc.c
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@ -1165,13 +1165,14 @@ static void bc_vec_string(BcVec *v, size_t len, const char *str)
static void bc_vec_concat(BcVec *v, const char *str) static void bc_vec_concat(BcVec *v, const char *str)
{ {
size_t len; size_t len, slen;
if (v->len == 0) bc_vec_pushZeroByte(v); if (v->len == 0) bc_vec_pushZeroByte(v);
len = v->len + strlen(str); slen = strlen(str);
len = v->len + slen;
if (v->cap < len) bc_vec_grow(v, len - v->len); if (v->cap < len) bc_vec_grow(v, slen);
strcpy(v->v + v->len - 1, str); strcpy(v->v + v->len - 1, str);
v->len = len; v->len = len;