From bb963792f53f53febbb2b10133db488413caac13 Mon Sep 17 00:00:00 2001
From: cxl <cxl@f0d560ea-af0d-0410-9eb7-867de7ffcac7>
Date: Fri, 10 Apr 2020 15:19:03 +0000
Subject: [PATCH] MacOS: GetExeFilePath fix

git-svn-id: svn://ultimatepp.org/upp/trunk@14290 f0d560ea-af0d-0410-9eb7-867de7ffcac7
---
 uppsrc/Core/App.cpp | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/uppsrc/Core/App.cpp b/uppsrc/Core/App.cpp
index bf2651b42..306047788 100644
--- a/uppsrc/Core/App.cpp
+++ b/uppsrc/Core/App.cpp
@@ -1,4 +1,5 @@
 #include "Core.h"
+#include <mach-o/dyld.h>
 
 #ifdef PLATFORM_WIN32
 #define Ptr Ptr_
@@ -83,17 +84,28 @@ extern char Argv0__[];
 const char *procexepath_() {
 	static char h[_MAX_PATH + 1];
 	ONCELOCK {
-		char link[100];
-#ifdef PLATFORM_BSD
+		char link[1024];
+#ifdef PLATFORM_COCOA
+		uint32_t sz = 1024;
+		if(_NSGetExecutablePath(link, &sz))
+			*link = 0;
+#elif defined(PLATFORM_BSD)
 		sprintf(link, "/proc/%d/file", getpid());
 #else
 		sprintf(link, "/proc/%d/exe", getpid());
 #endif
-		int ret = readlink(link, h, _MAX_PATH);
-		if(ret > 0 && ret < _MAX_PATH)
-			h[ret] = '\0';
-		else
-			*h = '\0';
+		FindFile ff(link);
+		if(ff) {
+			if(ff.IsSymLink()) {
+				int ret = readlink(link, h, _MAX_PATH);
+				if(ret > 0 && ret < _MAX_PATH)
+					h[ret] = '\0';
+				else
+					*h = '\0';
+			}
+			else
+				strcpy(h, link);
+		}
 	}
 	return h;
 }