From 68634537c043fae1f991302005c81f68a52a3eea Mon Sep 17 00:00:00 2001
From: Squibid <me@zacharyscheiman.com>
Date: Fri, 25 Apr 2025 01:41:03 -0500
Subject: fix bug where XD would segfault if the cwd didn't exist also include
 errno so we can check it

---
 XD.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'XD.c')

diff --git a/XD.c b/XD.c
index df3d760..6a6500c 100644
--- a/XD.c
+++ b/XD.c
@@ -3,7 +3,10 @@
 #include <string.h>
 #include <ctype.h>
 
-#if defined(ERR) || defined(EXPLAIN)
+#ifdef ERR
+#include <errno.h>
+#endif
+#if defined(EXPLAIN) || defined(ERR)
 #include <stdarg.h>
 #endif
 
@@ -62,9 +65,12 @@ char
   struct stat s;
   int i, c;
 
-
   /* find the number of jumps to the root of the fs */
   rpath = realpath(path, NULL);
+  if (!rpath) {
+    L("realpath: %s", strerror(errno));
+    return NULL;
+  }
   for (i = c = 0; i < strlen(rpath); i++) {
     if (rpath[i] == '/') {
       c++;
-- 
cgit v1.2.1