From f4a7b80b4ff63d6610142b417cbadd6526339ae4 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Sun, 10 Jan 2021 00:24:24 -0800
Subject: Updated more things to use xfree(&foo) instead of free(foo)

---
 utils.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'utils.c')

diff --git a/utils.c b/utils.c
index c18ef9e..f13db19 100644
--- a/utils.c
+++ b/utils.c
@@ -214,9 +214,13 @@ int memicmp(const void *v1, const void *v2, size_t n)
 /*
  * Free memory, but also set the pointer to NULL for safety
  */
-void xfree(void **p)
+void xfree(void *p)
 {
-    free(*p);
+    if (*(void**)p == NULL) {
+        fprintf(stderr, "Attempt to free(NULL)\n");
+        _exit(1);
+    }
+    free(*(void**)p);
     p = NULL;
 }
 
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