[njs] Avoid creating byte strings explicitly.

[Dmitry Volyntsev]

details:   https://hg.nginx.org/njs/rev/27da19960b72
branches:  
changeset: 2332:27da19960b72
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Tue May 21 23:38:19 2024 -0700
description:
Avoid creating byte strings explicitly.

Previously, calls like njs_string_new(,,,0) produced byte strings by
explicitly providing zero length argument.

diffstat:

 src/njs_builtin.c |  4 ++--
 src/njs_json.c    |  8 +-------
 src/njs_vm.c      |  2 +-
 3 files changed, 4 insertions(+), 10 deletions(-)

diffs (58 lines):

diff -r 286dbef3c0b2 -r 27da19960b72 src/njs_builtin.c
--- a/src/njs_builtin.c	Mon May 20 16:44:10 2024 -0700
+++ b/src/njs_builtin.c	Tue May 21 23:38:19 2024 -0700
@@ -388,7 +388,7 @@ njs_builtin_traverse(njs_vm_t *vm, njs_t
         return NJS_ERROR;
     }
 
-    ret = njs_string_new(vm, &prop->name, buf, p - buf, 0);
+    ret = njs_string_create(vm, &prop->name, buf, p - buf);
     if (njs_slow_path(ret != NJS_OK)) {
         return ret;
     }
@@ -590,7 +590,7 @@ njs_ext_dump(njs_vm_t *vm, njs_value_t *
         return NJS_ERROR;
     }
 
-    return njs_string_new(vm, retval, str.start, str.length, 0);
+    return njs_string_create(vm, retval, str.start, str.length);
 }
 
 
diff -r 286dbef3c0b2 -r 27da19960b72 src/njs_json.c
--- a/src/njs_json.c	Mon May 20 16:44:10 2024 -0700
+++ b/src/njs_json.c	Tue May 21 23:38:19 2024 -0700
@@ -548,7 +548,6 @@ njs_json_parse_string(njs_json_parse_ctx
 {
     u_char        ch, *s, *dst;
     size_t        size, surplus;
-    ssize_t       length;
     uint32_t      utf, utf_low;
     njs_int_t     ret;
     const u_char  *start, *last;
@@ -742,12 +741,7 @@ njs_json_parse_string(njs_json_parse_ctx
         start = dst;
     }
 
-    length = njs_utf8_length(start, size);
-    if (njs_slow_path(length < 0)) {
-        length = 0;
-    }
-
-    ret = njs_string_new(ctx->vm, value, (u_char *) start, size, length);
+    ret = njs_string_create(ctx->vm, value, (u_char *) start, size);
     if (njs_slow_path(ret != NJS_OK)) {
         return NULL;
     }
diff -r 286dbef3c0b2 -r 27da19960b72 src/njs_vm.c
--- a/src/njs_vm.c	Mon May 20 16:44:10 2024 -0700
+++ b/src/njs_vm.c	Tue May 21 23:38:19 2024 -0700
@@ -874,7 +874,7 @@ njs_vm_bind2(njs_vm_t *vm, const njs_str
     njs_lvlhsh_t        *hash;
     njs_lvlhsh_query_t  lhq;
 
-    ret = njs_string_new(vm, &prop->name, var_name->start, var_name->length, 0);
+    ret = njs_string_create(vm, &prop->name, var_name->start, var_name->length);
     if (njs_slow_path(ret != NJS_OK)) {
         return NJS_ERROR;
     }