hare

commit 01fb3245312704f0fad54c55f6edba22fefee509
parent bc606e854fe6944d07a2d7ee49077a8ad917ef1f
Author: Sebastian <sebastian@sebsite.pw>
Date:   Sat, 30 Sep 2023 23:26:21 -0400

glob: add strerror

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

Diffstat:
M
glob/glob.ha
 | 
9
+++++++++

1 file changed, 9 insertions(+), 0 deletions(-)
diff --git a/glob/glob.ha b/glob/glob.ha
@@ -1,11 +1,13 @@
 // SPDX-License-Identifier: MPL-2.0
 // (c) Hare authors <https://harelang.org>
 
+use fmt;
 use fnmatch;
 use fs;
 use io;
 use memio;
 use os;
+use path;
 use sort;
 use strings;
 
@@ -53,6 +55,13 @@ export type failure = !struct {
 	error: fs::error,
 };
 
+// Converts an error info a human-friendly string. The result is statically
+// allocated.
+export fn strerror(err: failure) str = {
+	let buf: [path::MAX + 1024]u8 = [0...];
+	return fmt::bsprintf(buf, "{}: {}", err.path, fs::strerror(err.error));
+};
+
 // Returns a generator of pathnames matching a pattern. The result must be
 // freed using [[finish]].
 export fn glob(pattern: str, flags: flag...) generator = {