From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Thu, 15 Mar 2018 12:15:23 +0000 (+0300)
Subject: Fixed RegExp trace handlers.
X-Git-Tag: 0.2.0~24
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/static/%7B@url%7D?a=commitdiff_plain;h=9f3752329b5727854430026241d227ab13e60911;p=njs.git

Fixed RegExp trace handlers.

Found by Clang Static Analyzer.
---

diff --git a/njs/njs_regexp.c b/njs/njs_regexp.c
index e28ac3cb..813cff7a 100644
--- a/njs/njs_regexp.c
+++ b/njs/njs_regexp.c
@@ -386,13 +386,8 @@ njs_regexp_compile_trace_handler(nxt_trace_t *trace, nxt_trace_data_t *td,
     u_char *start)
 {
     u_char    *p;
-    size_t    size;
     njs_vm_t  *vm;
 
-    size = sizeof("SyntaxError: ") - 1;
-    memcpy(start, "SyntaxError: ", size);
-    p = start + size;
-
     vm = trace->data;
 
     trace = trace->next;
@@ -433,17 +428,12 @@ njs_regexp_match_trace_handler(nxt_trace_t *trace, nxt_trace_data_t *td,
     u_char *start)
 {
     u_char    *p;
-    size_t    size;
     njs_vm_t  *vm;
 
-    size = sizeof("InternalError: ") - 1;
-    memcpy(start, "InternalError: ", size);
-    p = start + size;
-
     vm = trace->data;
 
     trace = trace->next;
-    p = trace->handler(trace, td, p);
+    p = trace->handler(trace, td, start);
 
     njs_exception_internal_error(vm, (const char *) start, NULL);