From b6ca10cd5eec06bc0f9d875cbff29d602fb01bf1 Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Mon, 16 Jan 2023 15:29:45 +0000
Subject: [PATCH] Fix memory leak in `os.get_current_directory` on failure on
 *nix systems

---
 core/os/os_darwin.odin  | 1 +
 core/os/os_freebsd.odin | 1 +
 core/os/os_linux.odin   | 1 +
 core/os/os_openbsd.odin | 1 +
 4 files changed, 4 insertions(+)

diff --git a/core/os/os_darwin.odin b/core/os/os_darwin.odin
index 456ac1d76..2d8a871c1 100644
--- a/core/os/os_darwin.odin
+++ b/core/os/os_darwin.odin
@@ -701,6 +701,7 @@ get_current_directory :: proc() -> string {
 			return string(cwd)
 		}
 		if Errno(get_last_error()) != ERANGE {
+			delete(buf)
 			return ""
 		}
 		resize(&buf, len(buf)+page_size)
diff --git a/core/os/os_freebsd.odin b/core/os/os_freebsd.odin
index eacbae97a..0ab48efaf 100644
--- a/core/os/os_freebsd.odin
+++ b/core/os/os_freebsd.odin
@@ -651,6 +651,7 @@ get_current_directory :: proc() -> string {
 			return string(cwd)
 		}
 		if Errno(get_last_error()) != ERANGE {
+			delete(buf)
 			return ""
 		}
 		resize(&buf, len(buf)+page_size)
diff --git a/core/os/os_linux.odin b/core/os/os_linux.odin
index 6f2196504..1a66f7704 100644
--- a/core/os/os_linux.odin
+++ b/core/os/os_linux.odin
@@ -823,6 +823,7 @@ get_current_directory :: proc() -> string {
 			return strings.string_from_nul_terminated_ptr(&buf[0], len(buf))
 		}
 		if _get_errno(res) != ERANGE {
+			delete(buf)
 			return ""
 		}
 		resize(&buf, len(buf)+page_size)
diff --git a/core/os/os_openbsd.odin b/core/os/os_openbsd.odin
index 3423c1692..75ad19c46 100644
--- a/core/os/os_openbsd.odin
+++ b/core/os/os_openbsd.odin
@@ -649,6 +649,7 @@ get_current_directory :: proc() -> string {
 			return string(cwd)
 		}
 		if Errno(get_last_error()) != ERANGE {
+			delete(buf)
 			return ""
 		}
 		resize(&buf, len(buf) + MAX_PATH)