From 4ded3b39fd454f5bff04f7f3135eac30b1fcded0 Mon Sep 17 00:00:00 2001
From: Masato Takahashi <ilce.ma@gmail.com>
Date: Sat, 23 May 2020 09:45:45 +0900
Subject: [PATCH] libobs: Fix os_get_executable_path_ptr on Linux

Terminate a non-terminated string generated by readlink()
to pass to dirname() that needs terminated string as a parameter.
---
 libobs/util/platform-nix.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libobs/util/platform-nix.c b/libobs/util/platform-nix.c
index 1dd81077e..26800d52f 100644
--- a/libobs/util/platform-nix.c
+++ b/libobs/util/platform-nix.c
@@ -287,7 +287,10 @@ char *os_get_executable_path_ptr(const char *name)
 	}
 	count = pathlen;
 #else
-	ssize_t count = readlink("/proc/self/exe", exe, PATH_MAX);
+	ssize_t count = readlink("/proc/self/exe", exe, PATH_MAX - 1);
+	if (count >= 0) {
+		exe[count] = '\0';
+	}
 #endif
 	const char *path_out = NULL;
 	struct dstr path;