From 1c78990eef67e89cfb2d664415c52a6a4009fa9c Mon Sep 17 00:00:00 2001
From: Albert Cervin <albert@acervin.com>
Date: Fri, 22 Mar 2024 20:53:20 +0100
Subject: Add a sigsegv handler

To try and reset the terminal to something useful.
---
 src/dged/keyboard.c |  2 +-
 src/main/main.c     | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/dged/keyboard.c b/src/dged/keyboard.c
index f13d449..1e28066 100644
--- a/src/dged/keyboard.c
+++ b/src/dged/keyboard.c
@@ -108,7 +108,7 @@ struct keyboard_update keyboard_update(struct keyboard *kbd,
   }
 
   // read all input in chunks of `bufsize` bytes
-  const uint32_t bufsize = 128;
+  const uint32_t bufsize = 1024;
   uint8_t *buf = malloc(bufsize), *writepos = buf;
   int nbytes = 0, nread = 0;
   while ((nread = read(kbd->fd, writepos, bufsize)) == bufsize) {
diff --git a/src/main/main.c b/src/main/main.c
index b96edd4..a1703ce 100644
--- a/src/main/main.c
+++ b/src/main/main.c
@@ -53,6 +53,18 @@ void resized() {
   signal(SIGWINCH, resized);
 }
 
+void segfault() {
+  // make an effort to restore the
+  // terminal to its former glory
+  if (display != NULL) {
+    display_clear(display);
+    display_destroy(display);
+  }
+
+  printf("Segfault encountered...\n");
+  abort();
+}
+
 #define INVALID_WATCH -1
 struct watched_file {
   uint32_t watch_id;
@@ -156,6 +168,7 @@ int main(int argc, char *argv[]) {
   setlocale(LC_ALL, "");
 
   signal(SIGTERM, terminate);
+  signal(SIGSEGV, segfault);
 
   struct commands commands = command_registry_create(32);
 
-- 
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