X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fwin32_replacements.c;h=c9a59bab0a90e3fd4d03aff965821362e552a487;hb=bf146b03ed91788ebc56ecf97a7a1e13d780d961;hp=36cc8a357e884a177c41b89eb9eee7c2493c7b02;hpb=e8c3ca2d1d0cac3d64985b45a9f654d2029a7518;p=wimlib

diff --git a/src/win32_replacements.c b/src/win32_replacements.c
index 36cc8a35..c9a59bab 100644
--- a/src/win32_replacements.c
+++ b/src/win32_replacements.c
@@ -177,12 +177,15 @@ do_pread_or_pwrite(int fd, void *buf, size_t count, off_t offset,
 	OVERLAPPED overlapped;
 	BOOL bret;
 
-	wimlib_assert(count <= 0xffffffff);
-
 	h = (HANDLE)_get_osfhandle(fd);
 	if (h == INVALID_HANDLE_VALUE)
 		goto err;
 
+	if (GetFileType(h) == FILE_TYPE_PIPE) {
+		errno = ESPIPE;
+		goto err;
+	}
+
 	/* Get original position */
 	relative_offset.QuadPart = 0;
 	if (!SetFilePointerEx(h, relative_offset, &orig_offset, FILE_CURRENT))