From 8c7ade4228f8ae317348e15b8129b8b2f6a167c5 Mon Sep 17 00:00:00 2001
From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Fri, 21 Jun 2024 17:58:32 -0700
Subject: [PATCH] =?UTF-8?q?Fixed=20=E2=80=98ctx.codepoint=E2=80=99=20may?=
 =?UTF-8?q?=20be=20used=20uninitialized.?=
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When building by GCC 13 with -O3 and -flto flags the following
warning was reported:
In function ‘njs_utf8_decode’,
inlined from ‘njs_text_encoder_encode_into’ at
src/njs_encoding.c:214:14:
src/njs_utf8.c:191:42: error: ‘ctx.codepoint’ may be used
uninitialized [-Werror=maybe-uninitialized]
 191 |         ctx->codepoint = (ctx->codepoint << 6) | (c & 0x3F);
---
 src/njs_utf8.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/njs_utf8.h b/src/njs_utf8.h
index ce4d86657..5f2f81e27 100644
--- a/src/njs_utf8.h
+++ b/src/njs_utf8.h
@@ -128,6 +128,7 @@ njs_utf8_decode_init(njs_unicode_decode_t *ctx)
 {
     ctx->need = 0x00;
     ctx->lower = 0x00;
+    ctx->codepoint = 0;
 }