Comment cleanups.

[pdclib] / platform / example_cygwin / functions / _PDCLIB / open.c

diff --git a/platform/example_cygwin/functions/_PDCLIB/open.c b/platform/example_cygwin/functions/_PDCLIB/open.c
index 88af3c4e86d2dfef69d9ca97025253c9e6a69c4e..24ce1c8f1cb88e6889d20ebbf348025cd0fe5dff 100644 (file)
--- a/platform/example_cygwin/functions/_PDCLIB/open.c
+++ b/platform/example_cygwin/functions/_PDCLIB/open.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /* _PDCLIB_open( char const * const, int )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -66,6 +64,9 @@ int _PDCLIB_open( char const * const filename, unsigned int mode )
     {
         switch ( errno )
         {
+            /* See the comments on implementation-defined errno values in
+               <_PDCLIB_config.h>.
+            */
             case EACCES:
             case EFAULT:
             case EINTR:
@@ -82,9 +83,12 @@ int _PDCLIB_open( char const * const filename, unsigned int mode )
             case EOVERFLOW:
             case EROFS:
             case ETXTBSY:
-                _PDCLIB_errno = _PDCLIB_EIO;
+                _PDCLIB_errno = _PDCLIB_ERROR;
+                break;
             default:
-                _PDCLIB_errno = _PDCLIB_EUNKNOWN;
+                /* This should be something like EUNKNOWN. */
+                _PDCLIB_errno = _PDCLIB_ERROR;
+                break;
         }
     }
     return rc;