Implemented the home_dir for VxWorks

Umesh Kalappa · BaoshanPang · commit 5083adeaad7a · 2019-11-04T09:15:28.000-08:00
diff --git a/src/libstd/sys/vxworks/os.rs b/src/libstd/sys/vxworks/os.rs
@@ -287,7 +287,8 @@ pub fn temp_dir() -> PathBuf {
 }
 
 pub fn home_dir() -> Option<PathBuf> {
-    None
+    crate::env::var_os("HOME").or_else(|| None
+    ).map(PathBuf::from)
 }
 
 pub fn exit(code: i32) -> ! {

Original file line number	Diff line number	Diff line change
`@@ -287,7 +287,8 @@ pub fn temp_dir() -> PathBuf {`
`287`	`287`	`}`
`288`	`288`
`289`	`289`	`pub fn home_dir() -> Option<PathBuf> {`
`290`		`- None`
	`290`	`+ crate::env::var_os("HOME").or_else(\|\| None`
	`291`	`+ ).map(PathBuf::from)`
`291`	`292`	`}`
`292`	`293`
`293`	`294`	`pub fn exit(code: i32) -> ! {`