Ensure WIM has filename before doing WIMBoot extraction

diff --git a/src/extract.c b/src/extract.c
index 0663edd75ba92d4f736b8249d572b292e0adc04b..edac626e4e6eb94331d46435caf9d1360785ce39 100644 (file)
--- a/src/extract.c
+++ b/src/extract.c
@@ -1511,12 +1511,16 @@ check_extract_flags(const WIMStruct *wim, int *extract_flags_p)
        }
 #endif
 
        }
 #endif
 

-#ifndef __WIN32__

        if (extract_flags & WIMLIB_EXTRACT_FLAG_WIMBOOT) {
        if (extract_flags & WIMLIB_EXTRACT_FLAG_WIMBOOT) {

+#ifdef __WIN32__
+               if (!wim->filename)
+                       return WIMLIB_ERR_NO_FILENAME;
+#else

                ERROR("WIMBoot extraction is only supported on Windows!");
                return WIMLIB_ERR_UNSUPPORTED;
                ERROR("WIMBoot extraction is only supported on Windows!");
                return WIMLIB_ERR_UNSUPPORTED;

-       }

 #endif
 #endif

+       }
+

 
        if ((extract_flags & (WIMLIB_EXTRACT_FLAG_RPFIX |
                              WIMLIB_EXTRACT_FLAG_NORPFIX |
 
        if ((extract_flags & (WIMLIB_EXTRACT_FLAG_RPFIX |
                              WIMLIB_EXTRACT_FLAG_NORPFIX |