win32: enable 64-bit file lengths

[platform/upstream/libwebsockets.git] / lib / lws-plat-win.c

diff --git a/lib/lws-plat-win.c b/lib/lws-plat-win.c
index 2d8b8eb..9f50cda 100644 (file)
--- a/lib/lws-plat-win.c
+++ b/lib/lws-plat-win.c
@@ -595,6 +595,7 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
        HANDLE ret;
        WCHAR buf[MAX_PATH];
        lws_fop_fd_t fop_fd;
+       LARGE_INTEGER llFileSize = {0};
 
        MultiByteToWideChar(CP_UTF8, 0, filename, -1, buf, ARRAY_SIZE(buf));
        if (((*flags) & 7) == _O_RDONLY) {
@@ -617,6 +618,9 @@ _lws_plat_file_open(const struct lws_plat_file_ops *fops, const char *filename,
        fop_fd->filesystem_priv = NULL; /* we don't use it */
        fop_fd->flags = *flags;
        fop_fd->len = GetFileSize(ret, NULL);
+       if(GetFileSizeEx(ret, &llFileSize))
+               fop_fd->len = llFileSize.QuadPart;
+
        fop_fd->pos = 0;
 
        return fop_fd;
@@ -641,7 +645,10 @@ _lws_plat_file_close(lws_fop_fd_t *fop_fd)
 LWS_VISIBLE lws_fileofs_t
 _lws_plat_file_seek_cur(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
 {
-       return SetFilePointer((HANDLE)fop_fd->fd, offset, NULL, FILE_CURRENT);
+       LARGE_INTEGER l;
+
+       l.QuadPart = offset;
+       return SetFilePointerEx((HANDLE)fop_fd->fd, l, NULL, FILE_CURRENT);
 }
 
 LWS_VISIBLE int