diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2018-12-18 14:03:20 +0100 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2018-12-18 14:03:20 +0100 |
commit | 07597cd35dfbdc7597d3b2b8ecf797016a996576 (patch) | |
tree | aeeb5b2a2087c9e18efcd51c3915992ecf2e2be9 /miscutils/bc.c | |
parent | ef271da33f1423b3f14aab6448c3001132cd128e (diff) | |
download | busybox-07597cd35dfbdc7597d3b2b8ecf797016a996576.tar.gz |
bc: optimize zbc_lex_string()
function old new delta
zbc_lex_next 2359 2353 -6
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/bc.c')
-rw-r--r-- | miscutils/bc.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index 5d969c9d0..be198a5fb 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -2986,17 +2986,22 @@ static BC_STATUS zbc_lex_identifier(BcLex *l) static BC_STATUS zbc_lex_string(BcLex *l) { - size_t len, nls = 0, i = l->i; - char c; + size_t len, nls, i; l->t.t = BC_LEX_STR; - for (c = l->buf[i]; c != '\0' && c != '"'; c = l->buf[++i]) + nls = 0; + i = l->i; + for (;;) { + char c = l->buf[i]; + if (c == '\0') { + l->i = i; + RETURN_STATUS(bc_error("string end could not be found")); + } + if (c == '"') + break; nls += (c == '\n'); - - if (c == '\0') { - l->i = i; - RETURN_STATUS(bc_error("string end could not be found")); + i++; } len = i - l->i; |