hare

commit 99f008eb4626172e24889355cfab4a92dbbd234a
parent 4558cf85dc83f3e8d1deffff7dd94cc4822df9da
Author: Sebastian <sebastian@sebsite.pw>
Date:   Sun, 20 Feb 2022 18:46:36 -0500

dirs: add state functions

Signed-off-by: Sebastian <sebastian@sebsite.pw>

Diffstat:
M
dirs/xdg.ha
 | 
13
+++++++++++++

1 file changed, 13 insertions(+), 0 deletions(-)
diff --git a/dirs/xdg.ha b/dirs/xdg.ha
@@ -59,3 +59,16 @@ export fn data(prog: str) str = {
 // Returns an [[fs::fs]] for persistent data files. If "prog" is given, a unique
 // path for this program to store data will be returned.
 export fn datafs(prog: str) *fs::fs = os::diropen(data(prog)) as *fs::fs;
+
+// Returns a directory suitable for storing program state data. The "prog"
+// parameter should be a descriptive name unique to this program. The return
+// value is statically allocated and will be overwritten on subsequent calls to
+// any function in the dirs module.
+export fn state(prog: str) str = {
+	static let buf = path::buffer { ... };
+	const fragment = path::set(&buf, ".local", "state")!;
+	return lookup(prog, "XDG_STATE_HOME", fragment);
+};
+
+// Returns an [[fs::fs]] for storing program state data.
+export fn statefs(prog: str) *fs::fs = os::diropen(state(prog)) as *fs::fs;