From b3efb637c8e1dc5cbb557e90988b5537cc6aff61 Mon Sep 17 00:00:00 2001 From: Thomas Lang Date: Fri, 26 Feb 2021 11:26:04 +0100 Subject: added shared read access when opening sqfs image with read-only flags (win32) --- lib/sqfs/win32/io_file.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/sqfs/win32/io_file.c b/lib/sqfs/win32/io_file.c index 836aa37..7ff42b7 100644 --- a/lib/sqfs/win32/io_file.c +++ b/lib/sqfs/win32/io_file.c @@ -151,7 +151,7 @@ static int stdio_truncate(sqfs_file_t *base, sqfs_u64 size) sqfs_file_t *sqfs_open_file(const char *filename, sqfs_u32 flags) { - int access_flags, creation_mode; + int access_flags, creation_mode, share_mode; sqfs_file_stdio_t *file; LARGE_INTEGER size; sqfs_file_t *base; @@ -168,9 +168,11 @@ sqfs_file_t *sqfs_open_file(const char *filename, sqfs_u32 flags) file->readonly = true; access_flags = GENERIC_READ; creation_mode = OPEN_EXISTING; + share_mode = FILE_SHARE_READ; } else { file->readonly = false; access_flags = GENERIC_READ | GENERIC_WRITE; + share_mode = 0; if (flags & SQFS_FILE_OPEN_OVERWRITE) { creation_mode = CREATE_ALWAYS; @@ -179,7 +181,7 @@ sqfs_file_t *sqfs_open_file(const char *filename, sqfs_u32 flags) } } - file->fd = CreateFile(filename, access_flags, 0, NULL, creation_mode, + file->fd = CreateFile(filename, access_flags, share_mode, NULL, creation_mode, FILE_ATTRIBUTE_NORMAL, NULL); if (file->fd == INVALID_HANDLE_VALUE) { -- cgit v1.2.3