From 7eb20457ff3d80cc81d54204ffd2c9edaf991905 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Wed, 17 Nov 2021 17:38:58 -0800
Subject: automated platform specific code parsing

---
 sys/src/errormsg.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 sys/src/errormsg.c

(limited to 'sys/src/errormsg.c')

diff --git a/sys/src/errormsg.c b/sys/src/errormsg.c
new file mode 100644
index 0000000..e1d4b73
--- /dev/null
+++ b/sys/src/errormsg.c
@@ -0,0 +1,26 @@
+#include "internal.h"
+
+static const struct ErrorMessage {
+#define E(n, s) char str##n[sizeof(s)];
+#include "errno.inc.h"
+#undef E
+} errormsg = {
+#define E(n, s) s,
+#include "errno.inc.h"
+#undef E
+};
+
+static const ushort errmsgidx[] = {
+#define E(n, s) [n] = offsetof(struct ErrorMessage, str##n),
+#include "errno.inc.h"
+#undef E
+};
+
+char *
+sys·errormsg(int errno)
+{
+    if(errno >= arrlen(errmsgidx))
+        errno=0;
+
+    return (char*)(&errormsg + errmsgidx[errno]);
+}
-- 
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