From 7dcf6715ffb3cc2f00f6327b896d16f173a1b082 Mon Sep 17 00:00:00 2001
From: Richard Braun <rbraun@sceen.net>
Date: Sat, 24 Feb 2018 06:45:44 +0100
Subject: New errno.h standard header

Use standard errno codes. This change also adds strerror to string.h.
---
 kern/error.c | 35 +++--------------------------------
 1 file changed, 3 insertions(+), 32 deletions(-)

(limited to 'kern/error.c')

diff --git a/kern/error.c b/kern/error.c
index f5d43e48..10d69542 100644
--- a/kern/error.c
+++ b/kern/error.c
@@ -15,42 +15,13 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <errno.h>
 #include <stddef.h>
+#include <string.h>
 
 #include <kern/error.h>
 #include <kern/panic.h>
 
-const char *
-error_str(int error)
-{
-    switch (error) {
-    case 0:
-        return "success";
-    case ERROR_NOMEM:
-        return "out of memory";
-    case ERROR_AGAIN:
-        return "resource temporarily unavailable";
-    case ERROR_INVAL:
-        return "invalid argument";
-    case ERROR_BUSY:
-        return "device or resource busy";
-    case ERROR_FAULT:
-        return "bad address";
-    case ERROR_NODEV:
-        return "no such device";
-    case ERROR_EXIST:
-        return "entry exists";
-    case ERROR_IO:
-        return "input/output error";
-    case ERROR_SRCH:
-        return "no such process";
-    case ERROR_TIMEDOUT:
-        return "timeout error";
-    default:
-        return "unknown error";
-    }
-}
-
 void
 error_check(int error, const char *prefix)
 {
@@ -61,5 +32,5 @@ error_check(int error, const char *prefix)
     panic("%s%s%s",
           (prefix == NULL) ? "" : prefix,
           (prefix == NULL) ? "" : ": ",
-          error_str(error));
+          strerror(error));
 }
-- 
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