core.git: hwpfilter/source

[Caolán McNamara (via logerrit)]

 hwpfilter/source/hgzip.cxx |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

New commits:
commit a2634d526e80236bfc0f925192f4a7201835f74f
Author:     Caolán McNamara <caolan.mcnam...@collabora.com>
AuthorDate: Mon Aug 26 08:35:09 2024 +0100
Commit:     Caolán McNamara <caolan.mcnam...@collabora.com>
CommitDate: Wed Aug 28 13:13:43 2024 +0200

    cid#1616925 Unintended sign extension
    
    Change-Id: Ifdcd817fe8b10a8eee6a8fabf767fdc1b311f800
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/172516
    Reviewed-by: Caolán McNamara <caolan.mcnam...@collabora.com>
    Tested-by: Jenkins

diff --git a/hwpfilter/source/hgzip.cxx b/hwpfilter/source/hgzip.cxx
index 451a8e8a3773..b1e96f9ba807 100644
--- a/hwpfilter/source/hgzip.cxx
+++ b/hwpfilter/source/hgzip.cxx
@@ -19,6 +19,7 @@
 
 #include "precompile.h"
 
+#include <sal/types.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -260,9 +261,9 @@ int gz_flush(gz_stream * file, int flush)
 static bool getLongEquals(gz_stream* s, uLong val)
 {
     uLong x = get_byte(s);
-    x += get_byte(s) << 8;
-    x += get_byte(s) << 16;
-    x += get_byte(s) << 24;
+    x += static_cast<sal_uInt32>(get_byte(s)) << 8;
+    x += static_cast<sal_uInt32>(get_byte(s)) << 16;
+    x += static_cast<sal_uInt32>(get_byte(s)) << 24;
     if (s->z_eof)
     {
         s->z_err = Z_DATA_ERROR;