28 lines
1019 B
Diff
28 lines
1019 B
Diff
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From 1a27a6cefbb457f2fb74159267835aaefb7c992d Mon Sep 17 00:00:00 2001
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From: kang_xiao_qiang <kangshaoqiang1@huawei.com>
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Date: Sun, 20 Sep 2020 15:35:21 +0800
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Subject: [PATCH] 2
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---
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src/gui/image/qxbmhandler.cpp | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/gui/image/qxbmhandler.cpp b/src/gui/image/qxbmhandler.cpp
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index 414e8233..7483b245 100644
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--- a/src/gui/image/qxbmhandler.cpp
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+++ b/src/gui/image/qxbmhandler.cpp
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@@ -154,7 +154,9 @@ static bool read_xbm_body(QIODevice *device, int w, int h, QImage *outImage)
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w = (w+7)/8; // byte width
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while (y < h) { // for all encoded bytes...
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- if (p) { // p = "0x.."
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+ if (p && p < (buf + readBytes - 3)) { // p = "0x.."
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+ if (!isxdigit(p[2]) || !isxdigit(p[3]))
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+ return false;
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*b++ = hex2byte(p+2);
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p += 2;
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if (++x == w && ++y < h) {
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--
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2.23.0
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