From b1b090255c5156987b36711e929544546603029c Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Wed, 22 Feb 2017 12:55:28 +1100
Subject: [PATCH] py/moduerrno: Make list of errno codes configurable.

It's configurable by defining MICROPY_PY_UERRNO_LIST.  If this is not
defined then a default is provided.
---
 py/moduerrno.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/py/moduerrno.c b/py/moduerrno.c
index ad166ced3..de66c941b 100644
--- a/py/moduerrno.c
+++ b/py/moduerrno.c
@@ -32,9 +32,10 @@
 
 #if MICROPY_PY_UERRNO
 
-// This list could be defined per port in mpconfigport.h to tailor it to a
-// specific port's needs.  But for now we have a common list.
-#define ERRNO_LIST \
+// This list can be defined per port in mpconfigport.h to tailor it to a
+// specific port's needs.  If it's not defined then we provide a default.
+#ifndef MICROPY_PY_UERRNO_LIST
+#define MICROPY_PY_UERRNO_LIST \
     X(EPERM) \
     X(ENOENT) \
     X(EIO) \
@@ -58,10 +59,12 @@
     X(EALREADY) \
     X(EINPROGRESS) \
 
+#endif
+
 #if MICROPY_PY_UERRNO_ERRORCODE
 STATIC const mp_rom_map_elem_t errorcode_table[] = {
     #define X(e) { MP_ROM_INT(MP_ ## e), MP_ROM_QSTR(MP_QSTR_## e) },
-    ERRNO_LIST
+    MICROPY_PY_UERRNO_LIST
     #undef X
 };
 
@@ -85,7 +88,7 @@ STATIC const mp_rom_map_elem_t mp_module_uerrno_globals_table[] = {
     #endif
 
     #define X(e) { MP_ROM_QSTR(MP_QSTR_## e), MP_ROM_INT(MP_ ## e) },
-    ERRNO_LIST
+    MICROPY_PY_UERRNO_LIST
     #undef X
 };
 
-- 
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