details: https://hg.nginx.org/njs/rev/dec46ad52e9a
branches:
changeset: 2328:dec46ad52e9a
user: Dmitry Volyntsev <xeioex@nginx.com>
date: Fri May 17 21:54:49 2024 -0700
description:
Optimized string creation with ASCII input.

diffstat:

src/njs_string.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)

diffs (24 lines):

diff -r f474755a4dce -r dec46ad52e9a src/njs_string.c
--- a/src/njs_string.c Fri May 17 18:36:12 2024 -0700
+++ b/src/njs_string.c Fri May 17 21:54:49 2024 -0700
@@ -130,8 +130,20 @@ njs_int_t
njs_string_create(njs_vm_t *vm, njs_value_t *value, const char *src,
size_t size)
{
+ u_char *p, *p_end;
njs_str_t str;

+ p = (u_char *) src;
+ p_end = p + size;
+
+ while (p < p_end && *p < 0x80) {
+ p++;
+ }
+
+ if (p == p_end) {
+ return njs_string_new(vm, value, (u_char *) src, size, size);
+ }
+
str.start = (u_char *) src;
str.length = size;

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