From 4e4d2fe3c6c4896fd63e512e8b1379a5fb20858c Mon Sep 17 00:00:00 2001
From: Dave Murphy <davem@devkitpro.org>
Date: Thu, 14 Jun 2018 02:33:41 +0100
Subject: [PATCH] translate horizon errno to newlib errno

---
 nx/source/runtime/devices/convert_errno.c | 165 ++++++++++++++++++++++
 nx/source/runtime/devices/socket.c        |   5 +-
 2 files changed, 169 insertions(+), 1 deletion(-)
 create mode 100644 nx/source/runtime/devices/convert_errno.c

diff --git a/nx/source/runtime/devices/convert_errno.c b/nx/source/runtime/devices/convert_errno.c
new file mode 100644
index 00000000..83015d03
--- /dev/null
+++ b/nx/source/runtime/devices/convert_errno.c
@@ -0,0 +1,165 @@
+#define __LINUX_ERRNO_EXTENSIONS__
+#include <errno.h>
+
+#define EMEDIUMTYPE  0
+#define ENOKEY       0
+#define EKEYEXPIRED  0
+#define EKEYREVOKED  0
+#define EKEYREJECTED 0
+#define ENOPROTOOP   0
+#define EUCLEAN      0
+#define ENOTNAM      0
+#define ENAVAIL      0
+#define EISNAM       0
+#define EREMOTEIO    0
+#define ERFKILL      0
+#define EHWPOISON    0
+#define ERESTART     0
+
+static unsigned char _error_code_map[] = {
+    0               , // 0
+    EPERM           ,
+    ENOENT          ,
+    ESRCH           ,
+    EINTR           ,
+    EIO             , // 5
+    ENXIO           ,
+    E2BIG           ,
+    ENOEXEC         ,
+    EBADF           ,
+    ECHILD          , // 10
+    EAGAIN          ,
+    ENOMEM          ,
+    EACCES          ,
+    EFAULT          ,
+    ENOTBLK         , // 15
+    EBUSY           ,
+    EEXIST          ,
+    EXDEV           ,
+    ENODEV          ,
+    ENOTDIR         , // 20
+    EISDIR          ,
+    EINVAL          ,
+    ENFILE          ,
+    EMFILE          ,
+    ENOTTY          , // 25
+    ETXTBSY         ,
+    EFBIG           ,
+    ENOSPC          ,
+    ESPIPE          ,
+    EROFS           ,  // 30
+    EMLINK          ,
+    EPIPE           ,
+    EDOM            ,
+    ERANGE          ,
+    EDEADLK         , // 35
+    ENAMETOOLONG    ,
+    ENOLCK          ,
+    ENOSYS          ,
+    ENOTEMPTY       ,
+    ELOOP           , // 40
+    EAGAIN          ,
+    ENOMSG          ,
+    EIDRM           ,
+    ECHRNG          ,
+    EL2NSYNC        , // 45
+    EL3HLT          ,
+    EL3RST          ,
+    ELNRNG          ,
+    EUNATCH         ,
+    ENOCSI          , // 50
+    EL2HLT          ,
+    EBADE           ,
+    EBADR           ,
+    EXFULL          ,
+    ENOANO          , // 55
+    EBADRQC         ,
+    EBADSLT         ,
+    EDEADLK         ,
+    EBFONT          ,
+    ENOSTR          , // 60
+    ENODATA         ,
+    ETIME           ,
+    ENOSR           ,
+    ENONET          ,
+    ENOPKG          , // 65
+    EREMOTE         ,
+    ENOLINK         ,
+    EADV            ,
+    ESRMNT          ,
+    ECOMM           , // 70
+    EPROTO          ,
+    EMULTIHOP       ,
+    EDOTDOT         ,
+    EBADMSG         ,
+    EOVERFLOW       , // 75
+    ENOTUNIQ        ,
+    EBADFD          ,
+    EREMCHG         ,
+    ELIBACC         ,
+    ELIBBAD         , // 80
+    ELIBSCN         ,
+    ELIBMAX         ,
+    ELIBEXEC        ,
+    EILSEQ          ,
+    ERESTART        , // 85
+    ESTRPIPE        ,
+    EUSERS          ,
+    ENOTSOCK        ,
+    EDESTADDRREQ    ,
+    EMSGSIZE        , // 90
+    EPROTOTYPE      ,
+    ENOPROTOOP      ,
+    EPROTONOSUPPORT ,
+    ESOCKTNOSUPPORT ,
+    EOPNOTSUPP      , // 95
+    EPFNOSUPPORT    ,
+    EAFNOSUPPORT    ,
+    EADDRINUSE      ,
+    EADDRNOTAVAIL   ,
+    ENETDOWN        , // 100
+    ENETUNREACH     ,
+    ENETRESET       ,
+    ECONNABORTED    ,
+    ECONNRESET      ,
+    ENOBUFS         , // 105
+    EISCONN         ,
+    ENOTCONN        ,
+    ESHUTDOWN       ,
+    ETOOMANYREFS    ,
+    ETIMEDOUT       , // 110
+    ECONNREFUSED    ,
+    EHOSTDOWN       ,
+    EHOSTUNREACH    ,
+    EALREADY        ,
+    EINPROGRESS     , // 115
+    ESTALE          ,
+    EUCLEAN         ,
+    ENOTNAM         ,
+    ENAVAIL         ,
+    EISNAM          , // 120
+    EREMOTEIO       ,
+    EDQUOT          ,
+    ENOMEDIUM       ,
+    EMEDIUMTYPE     ,
+    ECANCELED       , // 125
+    ENOKEY          ,
+    EKEYEXPIRED     ,
+    EKEYREVOKED     ,
+    EKEYREJECTED    ,
+    EOWNERDEAD      , // 130
+    ENOTRECOVERABLE ,
+    ERFKILL         ,
+    EHWPOISON       ,
+};
+
+#define _UNKNOWN_ERROR_OFFSET	10000
+
+int _convert_errno(int bsdErrno)
+{
+
+    if (bsdErrno < 0 || bsdErrno >= sizeof(_error_code_map) || _error_code_map[bsdErrno] == 0)
+		return _UNKNOWN_ERROR_OFFSET + bsdErrno;
+
+	return _error_code_map[bsdErrno];
+}
\ No newline at end of file
diff --git a/nx/source/runtime/devices/socket.c b/nx/source/runtime/devices/socket.c
index d76b9d27..cb19a7b7 100644
--- a/nx/source/runtime/devices/socket.c
+++ b/nx/source/runtime/devices/socket.c
@@ -24,6 +24,8 @@
 #include "services/nifm.h"
 #include "result.h"
 
+int _convert_errno(int bsdErrno);
+
 __thread int h_errno;
 
 static SfdnsresConfig g_sfdnsresConfig;
@@ -190,7 +192,8 @@ static int _socketParseBsdResult(struct _reent *r, int ret) {
             }
         }
         else
-            errno_ = g_bsdErrno; // Nintendo actually used the Linux errno definitions for their FreeBSD build :)
+            errno_ = _convert_errno(g_bsdErrno); /* Nintendo actually used the Linux errno definitions for their FreeBSD build :)
+                                                    but we still need to convert to newlib errno */
     }
 
     if(r == NULL)