Stub FreeEnvironmentStringsW to just leak on NT 3.1

seritools · seritools · commit f81e905525b3 · 2023-12-29T20:42:01.000+01:00
Yup, this function just doesn't exist on NT 3.1, so
`env::vars`/`env::vars_os` will just leak the OS-allocated buffer.
diff --git a/library/std/src/sys/windows/c.rs b/library/std/src/sys/windows/c.rs
@@ -417,6 +417,13 @@ compat_fn_with_fallback! {
         Sleep(0);
         TRUE
     }
+
+    // >= NT 3.5+, 95+
+    // https://docs.microsoft.com/en-us/windows/win32/api/processenv/nf-processenv-freeenvironmentstringsw
+    pub fn FreeEnvironmentStringsW(penv: PCWSTR) -> BOOL {
+        // just leak it on NT 3.1
+        TRUE
+    }
 }
 
 compat_fn_lazy! {

Original file line number	Diff line number	Diff line change
`@@ -417,6 +417,13 @@ compat_fn_with_fallback! {`
`417`	`417`	`Sleep(0);`
`418`	`418`	`TRUE`
`419`	`419`	`}`
	`420`	`+`
	`421`	`+ // >= NT 3.5+, 95+`
	`422`	`+ // https://docs.microsoft.com/en-us/windows/win32/api/processenv/nf-processenv-freeenvironmentstringsw`
	`423`	`+ pub fn FreeEnvironmentStringsW(penv: PCWSTR) -> BOOL {`
	`424`	`+ // just leak it on NT 3.1`
	`425`	`+ TRUE`
	`426`	`+ }`
`420`	`427`	`}`
`421`	`428`
`422`	`429`	`compat_fn_lazy! {`