From 5fcf57739e68a8b5053e03778aaee0eed445babd Mon Sep 17 00:00:00 2001
From: Benji Dial <benji6283@gmail.com>
Date: Thu, 11 Mar 2021 22:00:22 -0500
Subject: settings editor, and lots of changes in service of that

---
 src/user/knob/block.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/user/knob/block.c')

diff --git a/src/user/knob/block.c b/src/user/knob/block.c
index 5b4590f..9f3f353 100644
--- a/src/user/knob/block.c
+++ b/src/user/knob/block.c
@@ -1,6 +1,7 @@
+#include <knob/panic.h>
+#include <knob/heap.h>
 #include <stdbool.h>
 #include <stdint.h>
-#include <knob/heap.h>
 
 //unsophisticated, should copy by dwords where available
 void blockcpy(void *to, const void *from, uint32_t size) {
@@ -31,6 +32,8 @@ char *strdup(const char *from) {
   while (*(end++))
     ;
   char *buf = get_block(end - from);
+  if (!buf)
+    PANIC("get_block returned 0 in strdup");
   blockcpy(buf, from, end - from);
   return buf;
 }
-- 
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