write.c: send first WRITE_STREAMS message before writing raw copy blobs

[wimlib] / src / win32_capture.c

diff --git a/src/win32_capture.c b/src/win32_capture.c
index 88e31248621119b7a0e176329bfca6933c5afdc5..0f608a8ff7d675e5ba81a7f9677ad99df7b15c82 100644 (file)
--- a/src/win32_capture.c
+++ b/src/win32_capture.c
@@ -137,10 +137,16 @@ read_winnt_stream_prefix(const struct blob_descriptor *blob, u64 size,
 
                status = (*func_NtReadFile)(h, NULL, NULL, NULL,
                                            &iosb, buf, count, NULL, NULL);
-               if (!NT_SUCCESS(status)) {
-                       winnt_error(status, L"\"%ls\": Error reading data",
-                                   printable_path(path));
-                       ret = WIMLIB_ERR_READ;
+               if (unlikely(!NT_SUCCESS(status))) {
+                       if (status == STATUS_END_OF_FILE) {
+                               ERROR("\"%ls\": File was concurrently truncated",
+                                     printable_path(path));
+                               ret = WIMLIB_ERR_CONCURRENT_MODIFICATION_DETECTED;
+                       } else {
+                               winnt_error(status, L"\"%ls\": Error reading data",
+                                           printable_path(path));
+                               ret = WIMLIB_ERR_READ;
+                       }
                        break;
                }