From 02568074170f0725196de4e52450db024cc39895 Mon Sep 17 00:00:00 2001
From: nirenjan <nirenjan@gmail.com>
Date: Wed, 25 Aug 2021 14:16:53 -0700
Subject: [PATCH] Use strrchr only if the compiler supports __builtin_strrchr

---
 test_pinelog.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/test_pinelog.c b/test_pinelog.c
index a40ff2d..834cf24 100644
--- a/test_pinelog.c
+++ b/test_pinelog.c
@@ -98,7 +98,13 @@ static int test_setup(int level, int filter, const char *file, int line)
         }
 
         if (PINELOG_SHOW_BACKTRACE) {
-            char * basename = strrchr(file, '/');
+            char * basename = NULL;
+            #if defined __has_builtin
+            #if __has_builtin(__builtin_strrchr)
+            basename = strrchr(file, '/');
+            #endif
+            #endif
+
             if (basename != NULL) {
                 basename++;
             } else {