Imported Upstream version 2.21.1

[platform/upstream/git.git] / t / helper / test-drop-caches.c

diff --git a/t/helper/test-drop-caches.c b/t/helper/test-drop-caches.c
index f65e301..7b42784 100644 (file)
--- a/t/helper/test-drop-caches.c
+++ b/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)