From f98700af80b37a43669955ec399ac300c3979384 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Sat, 11 Sep 2021 09:56:27 +0300 Subject: [PATCH] Fix restoring from pdumper file on MS-Windows 9X * src/pdumper.c (dump_map_file_w32): Use PAGE_WRITECOPY flag when calling CreateFileMapping for DUMP_MEMORY_ACCESS_READWRITE access, as that is required by Windows 9X. (Bug#50453) --- src/pdumper.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/src/pdumper.c b/src/pdumper.c index 7730ea3d061..2291fced5d7 100644 --- a/src/pdumper.c +++ b/src/pdumper.c @@ -4537,15 +4537,28 @@ dump_map_file_w32 (void *base, int fd, off_t offset, size_t size, uint32_t offset_low = (uint32_t) (full_offset & 0xffffffff); int error; + DWORD protect; DWORD map_access; file = (HANDLE) _get_osfhandle (fd); if (file == INVALID_HANDLE_VALUE) goto out; + switch (protection) + { + case DUMP_MEMORY_ACCESS_READWRITE: + protect = PAGE_WRITECOPY; /* for Windows 9X */ + break; + default: + case DUMP_MEMORY_ACCESS_NONE: + case DUMP_MEMORY_ACCESS_READ: + protect = PAGE_READONLY; + break; + } + section = CreateFileMapping (file, /*lpAttributes=*/NULL, - PAGE_READONLY, + protect, /*dwMaximumSizeHigh=*/0, /*dwMaximumSizeLow=*/0, /*lpName=*/NULL); -- 2.39.5