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authorVincent Ambo <tazjin@google.com>2020-05-22T16·46+0100
committerVincent Ambo <tazjin@google.com>2020-05-22T16·46+0100
commit5229c9b232de5bfa959ad6ebbb4c8192ac513352 (patch)
tree8539e7e23682cac110900f946f034ae44162cacd /third_party/git/t/helper/test-drop-caches.c
parentf2b211131f2347342dde63975b09cf603149f1a3 (diff)
parent8518a7a51faaf50f830646d4c3585f51236b9349 (diff)
merge(3p/git): Merge git upstream at v2.26.2 r/808
Diffstat (limited to 'third_party/git/t/helper/test-drop-caches.c')
-rw-r--r--third_party/git/t/helper/test-drop-caches.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/third_party/git/t/helper/test-drop-caches.c b/third_party/git/t/helper/test-drop-caches.c
index f65e301f9ddc..7b4278462bb7 100644
--- a/third_party/git/t/helper/test-drop-caches.c
+++ b/third_party/git/t/helper/test-drop-caches.c
@@ -8,18 +8,21 @@ static int cmd_sync(void)
 {
 	char Buffer[MAX_PATH];
 	DWORD dwRet;
-	char szVolumeAccessPath[] = "\\\\.\\X:";
+	char szVolumeAccessPath[] = "\\\\.\\XXXX:";
 	HANDLE hVolWrite;
-	int success = 0;
+	int success = 0, dos_drive_prefix;
 
 	dwRet = GetCurrentDirectory(MAX_PATH, Buffer);
 	if ((0 == dwRet) || (dwRet > MAX_PATH))
 		return error("Error getting current directory");
 
-	if (!has_dos_drive_prefix(Buffer))
+	dos_drive_prefix = has_dos_drive_prefix(Buffer);
+	if (!dos_drive_prefix)
 		return error("'%s': invalid drive letter", Buffer);
 
-	szVolumeAccessPath[4] = Buffer[0];
+	memcpy(szVolumeAccessPath, Buffer, dos_drive_prefix);
+	szVolumeAccessPath[dos_drive_prefix] = '\0';
+
 	hVolWrite = CreateFile(szVolumeAccessPath, GENERIC_READ | GENERIC_WRITE,
 		FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
 	if (INVALID_HANDLE_VALUE == hVolWrite)