From 5d92d406a1a84dae8cef44dfde6e03bb4c1c8a7f Mon Sep 17 00:00:00 2001
From: Andrew Johnson <anj@anl.gov>
Date: Thu, 18 Aug 2022 12:17:06 -0500
Subject: [PATCH] Darwin: Resolve soft-links in epicsGetExecName()

---
 modules/libcom/src/osi/os/Darwin/osdgetexec.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/modules/libcom/src/osi/os/Darwin/osdgetexec.c b/modules/libcom/src/osi/os/Darwin/osdgetexec.c
index 2f2d6e4d5..eb449e660 100644
--- a/modules/libcom/src/osi/os/Darwin/osdgetexec.c
+++ b/modules/libcom/src/osi/os/Darwin/osdgetexec.c
@@ -21,8 +21,7 @@ char *epicsGetExecName(void)
         if(!temp) {
             /* we treat alloc failure as terminal */
             free(ret);
-            ret = NULL;
-            break;
+            return NULL;
         }
         ret = temp;
 
@@ -35,9 +34,11 @@ char *epicsGetExecName(void)
         /* max has been updated with required size */
     }
 
-    /* TODO: _NSGetExecutablePath() doesn't follow symlinks */
+    /* Resolve soft-links */
+    char *res = realpath(ret, NULL);
+    free(ret);
 
-    return ret;
+    return res;
 }
 
 char *epicsGetExecDir(void)