[PATCH] util/oslib-posix : qemu_init_exec_dir implementation for MacOS

[David CARLIER]

>From b24a6702beb2a4e2a9c1c03b69c6d1dd07d4cf08 Mon Sep 17 00:00:00 2001
From: David Carlier <address@hidden>
Date: Tue, 26 May 2020 21:35:27 +0100
Subject: [PATCH] util/oslib: current process full path resolution on MacOS

Using existing libproc to fill the path.

Signed-off-by: David Carlier <address@hidden>
---
 util/oslib-posix.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 062236a1ab..96f0405ee6 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -55,6 +55,10 @@
 #include <sys/sysctl.h>
 #endif

+#ifdef __APPLE__
+#include <libproc.h>
+#endif
+
 #include "qemu/mmap-alloc.h"

 #ifdef CONFIG_DEBUG_STACK_USAGE
@@ -366,6 +370,15 @@ void qemu_init_exec_dir(const char *argv0)
             p = buf;
         }
     }
+#elif defined(__APPLE__)
+    {
+        uint32_t len;
+        len = proc_pidpath(getpid(), buf, sizeof(buf) - 1);
+        if (len > 0) {
+            buf[len] = 0;
+            p = buf;
+        }
+    }
 #endif
     /* If we don't have any way of figuring out the actual executable
        location then try argv[0].  */
-- 
2.26.2