backported fixes from 256boss

[bootcensus] / src / libc / errno.h

diff --git a/src/libc/errno.h b/src/libc/errno.h
index a63ec24..a4cf483 100644 (file)
--- a/src/libc/errno.h
+++ b/src/libc/errno.h
@@ -1,3 +1,20 @@
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018  John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY, without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
 #ifndef ERRNO_H_
 #define ERRNO_H_
 
@@ -13,7 +30,12 @@
 #define ENOSPC                 10
 #define EPERM                  11
 #define ENOTDIR                        12
+#define EISDIR                 13
+#define EEXIST                 14
+#define ERANGE                 34
 
 #define EBUG                   127     /* for missing features and known bugs */
 
+int errno;
+
 #endif /* ERRNO_H_ */