Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From dd4d21ad7cebab8b6927f1446e5d1edd9cea94d5 Mon Sep 17 00:00:00 2001
|From: howoz <howoz@airmail.cc>
|Date: Mon, 23 Aug 2021 01:24:31 +0300
|Subject: [PATCH]  [dwm][patch][moveresize] patch:
|
|    prevent the cursor from going out of the window when resizing
|---
| config.def.h |  16 ++++++
| dwm.c        | 154 +++++++++++++++++++++++++++++++++++++++++++++++++++
| 2 files changed, 170 insertions(+)
|
|diff --git a/config.def.h b/config.def.h
|index a2ac963..87baa38 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 79.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwm.c b/dwm.c
|index 5e4d494..0898236 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 183.
Hunk #2 succeeded at 1195.
Hmm...  Ignoring the trailing garbage.
done