[Pkg-owncloud-commits] [owncloud-client] 03/20: csync_vio_local on windows: fix overflow when computing the size of file > 4GiB

[Sandro Knauß]

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hefee-guest pushed a commit to branch sid
in repository owncloud-client.

commit 8711a3ea6c92942584b2813d37e7577495916e4e
Author: Olivier Goffart <ogoffart at woboq.com>
Date:   Wed Sep 10 12:09:22 2014 +0200

    csync_vio_local on windows: fix overflow when computing the size of file > 4GiB
    
    MAXDWORD is 0xFFFFFFFF, so if we add one, it overflows and is 0.
    We need to cast it to 64 bits before
---
 csync/src/vio/csync_vio_local.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/csync/src/vio/csync_vio_local.c b/csync/src/vio/csync_vio_local.c
index 1d51f0c..79213e8 100644
--- a/csync/src/vio/csync_vio_local.c
+++ b/csync/src/vio/csync_vio_local.c
@@ -240,7 +240,7 @@ int csync_vio_local_stat(const char *uri, csync_vio_file_stat_t *buf) {
     /* printf("Index: %I64i\n", FileIndex.QuadPart); */
     buf->inode = FileIndex.QuadPart;
 
-    buf->size = (fileInfo.nFileSizeHigh * (int64_t)(MAXDWORD+1)) + fileInfo.nFileSizeLow;
+    buf->size = (fileInfo.nFileSizeHigh * ((int64_t)(MAXDWORD)+1)) + fileInfo.nFileSizeLow;
     buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_SIZE;
 
     /* Get the file time with a win32 call rather than through stat. See

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