From: LukeSkyD <100560115+LukeSkyD@users.noreply.github.com>
Date: Fri, 31 May 2024 14:11:12 +0000 (+0200)
Subject: rar reader: fix cast to unsigned int (#2209)
X-Git-Tag: v3.7.5~58
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2386414abbc9e6f0ec9808f2a5dd067af1f5f528;p=thirdparty%2Flibarchive.git

rar reader: fix cast to unsigned int (#2209)

Fixes compiler error `C4267: '+=': conversion from 'size_t' to 'unsigned int'.
Possible loss of data.` which stops compiling with MSVC.
---

diff --git a/libarchive/archive_read_support_format_rar.c b/libarchive/archive_read_support_format_rar.c
index 123813084..354cb0d0b 100644
--- a/libarchive/archive_read_support_format_rar.c
+++ b/libarchive/archive_read_support_format_rar.c
@@ -3142,7 +3142,7 @@ copy_from_lzss_window_to_unp(struct archive_read *a, const void **buffer,
   } else {
       goto fatal;
   }
-  rar->unp_offset += length;
+  rar->unp_offset += (unsigned int) length;
   if (rar->unp_offset >= rar->unp_buffer_size)
     *buffer = rar->unp_buffer;
   else