X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Ferrno.h;h=60f069dac1ec1b88a209125dd5c568f685d7c531;hb=859236615ebb0de274643574e1848aae221c9915;hp=3743eb0134be107ed7101d314efd0f28f45c1ddb;hpb=0d8727ea33576a715e2f7d78ad1bb84327687489;p=cc65

diff --git a/include/errno.h b/include/errno.h
index 3743eb013..60f069dac 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -38,23 +38,20 @@
 
 
 
-/* Operating system specific error codes */
-extern unsigned char _oserror;
+/*****************************************************************************/
+/*	       	   	  	     Data				     */
+/*****************************************************************************/
+
 
-/* The following functions maps an operating system specific error code (for
- * example from _oserror) into one of the E... codes below. It is user
- * callable.
- */
-int __fastcall__ _osmaperrno (unsigned char oserror);
 
-/* Set errno to a specific error code. Used by the library */
-void __fastcall__ _seterrno (unsigned char code);
+/* Operating system specific error code */
+extern unsigned char _oserror;
 
-/* System error codes go here */
 extern int _errno;
+/* System errors go here */
 
-/* errno must be a macro */
 #define errno   _errno
+/* errno must be a macro */
 
 
 
@@ -74,10 +71,40 @@ extern int _errno;
 #define ENOSYS		13	/* Function not implemented */
 #define ESPIPE		14	/* Illegal seek */
 #define ERANGE          15      /* Range error */
-#define EUNKNOWN       	16	/* Unknown OS specific error */
+#define EBADF           16      /* Bad file number */
+#define EUNKNOWN       	17	/* Unknown OS specific error */
+
+
+
+/*****************************************************************************/
+/*                                     Code                                  */
+/*****************************************************************************/
+
+
+
+int __fastcall__ _osmaperrno (unsigned char oserror);
+/* Map an operating system specific error code (for example from _oserror) 
+ * into one of the E... codes above. It is user callable.
+ */
+
+unsigned char __fastcall__ _seterrno (unsigned char code);
+/* Set errno to a specific error code and return zero. Used by the library */
+
+int __fastcall__ _directerrno (unsigned char code);
+/* Set errno to a specific error code, clear _oserror and return -1. Used
+ * by the library.
+ */
+
+int __fastcall__ _mappederrno (unsigned char code);
+/* Set _oserror to the given platform specific error code. If it is a real
+ * error code (not zero) set errno to the corresponding system error code
+ * and return -1. Otherwise return zero.
+ * Used by the library.
+ */
 
 
 
+/* End of errno.h */
 #endif