[PATCH] krnl386.exe16: Fail int 21, 4e if the volume label is an empty string.

Zebediah Figura z.figura12 at gmail.com
Thu Jul 20 23:21:09 CDT 2017


Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
 dlls/krnl386.exe16/int21.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/krnl386.exe16/int21.c b/dlls/krnl386.exe16/int21.c
index 308fc49..6455b13 100644
--- a/dlls/krnl386.exe16/int21.c
+++ b/dlls/krnl386.exe16/int21.c
@@ -3876,6 +3876,7 @@ static unsigned INT21_FindHelper(LPCWSTR fullPath, unsigned drive, unsigned coun
         if (count) return 0;
         path[0] = drive + 'A';
         if (!GetVolumeInformationW(path, entry->cAlternateFileName, 13, NULL, NULL, NULL, NULL, 0)) return 0;
+        if (!entry->cAlternateFileName[0]) return 0;
         RtlSecondsSince1970ToTime( 0, (LARGE_INTEGER *)&entry->ftCreationTime );
         RtlSecondsSince1970ToTime( 0, (LARGE_INTEGER *)&entry->ftLastAccessTime );
         RtlSecondsSince1970ToTime( 0, (LARGE_INTEGER *)&entry->ftLastWriteTime );
-- 
2.7.4




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