From 721789813d16dd67696f2e106450ed07f3edb457 Mon Sep 17 00:00:00 2001
From: TheSola10 <me@thesola.io>
Date: Sat, 5 Apr 2025 10:34:33 +0200
Subject: [PATCH] docs and devenv stuff

---
 .envrc         |  1 +
 main.c         |  4 ++--
 umdiff/main.c  | 13 +++++++++++++
 umdiff/rdiff.c | 13 +++++++++++++
 4 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/.envrc b/.envrc
index 58d95be..fb334f7 100644
--- a/.envrc
+++ b/.envrc
@@ -4,5 +4,6 @@ fi
 
 source .env
 export ARKROOT
+echo "0=$PWD" > $XDG_RUNTIME_DIR/psplink-bindings
 
 use distrobox
diff --git a/main.c b/main.c
index 1f821cd..18fb303 100644
--- a/main.c
+++ b/main.c
@@ -100,12 +100,12 @@ int lp_discChangeWatcher(SceSize argc, void *argp)
     for (int i = 0; i < count; i++) {
         sceKernelReferCallbackStatus(callbacks[i], &cbinfo);
         if (!strcmp(cbinfo.name, "SceVshMediaDetectUMD")) {
-            Kprintf("Found VSH UMD callback: 0x%08x\n", vshCallbackId);
             vshCallbackId = callbacks[i];
+            Kprintf("Found VSH UMD callback: 0x%08x\n", vshCallbackId);
             break;
         } else if (!strcmp(cbinfo.name, "DVDUMD")) {
-            Kprintf("Found game UMD callback: 0x%08x\n", vshCallbackId);
             vshCallbackId = callbacks[i];
+            Kprintf("Found game UMD callback: 0x%08x\n", vshCallbackId);
             break;
         }
     }
diff --git a/umdiff/main.c b/umdiff/main.c
index d5d2745..6842362 100644
--- a/umdiff/main.c
+++ b/umdiff/main.c
@@ -1,3 +1,14 @@
+/**
+ * @file       main.c
+ * @author     Karim Vergnes <me@thesola.io>
+ * @copyright  GPLv2
+ * @brief      Indexed delta generator for umd_livepatch
+ *
+ * This tool generates a delta file between two ISOs, in the UMDiff file format.
+ * The rationale for this file format can be found in the docs for @ref patch.h
+ * in the umd_livepatch module.
+ */
+
 #include "usage.rl.h"
 
 int main(int argc, char *argv[])
@@ -16,3 +27,5 @@ int main(int argc, char *argv[])
 
     return 1;
 }
+
+// vim: ft=c.doxygen
diff --git a/umdiff/rdiff.c b/umdiff/rdiff.c
index 25d0167..256f0d6 100644
--- a/umdiff/rdiff.c
+++ b/umdiff/rdiff.c
@@ -1 +1,14 @@
+/**
+ * @file       rdiff.c
+ * @author     Karim Vergnes <me@thesola.io>
+ * @copyright  GPLv2
+ * @brief      rsync-based diff calculator
+ *
+ * This file leverages librsync to compute the difference between two files,
+ * and convert it in-memory into the UMDiff format.
+ */
+
 #include <librsync.h>
+
+
+// vim: ft=c.doxygen