From 6b0314f14b3e7fe7e4a36ce1ca1fe5f466ad3fa5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <zhangsongcui3371@sina.com>
Date: Fri, 26 Jan 2024 10:19:21 +0800
Subject: [PATCH] Platform: fix exe path detection

---
 src/util/platform/FFPlatform_unix.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/util/platform/FFPlatform_unix.c b/src/util/platform/FFPlatform_unix.c
index 7500261a4..a233c3bc4 100644
--- a/src/util/platform/FFPlatform_unix.c
+++ b/src/util/platform/FFPlatform_unix.c
@@ -29,11 +29,13 @@ static void getExePath(FFPlatform* platform)
             (int[]){CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, (int) getpid()}, 4,
             exePath->chars, &exePathLen,
             NULL, 0
-        ))
+        ) < 0)
             exePathLen = 0;
+        else
+            exePathLen--; // remove terminating NUL
     #endif
     if (exePathLen > 0)
-        exePath->length = (uint32_t) (exePathLen - 1);
+        exePath->length = (uint32_t) exePathLen;
 }
 
 static void platformPathAddEnv(FFlist* dirs, const char* env)