backported fixes from 256boss

[bootcensus] / src / libc / alloca.h

diff --git a/src/libc/alloca.h b/src/libc/alloca.h
new file mode 100644 (file)
index 0000000..ae27a71
--- /dev/null
+++ b/src/libc/alloca.h
@@ -0,0 +1,23 @@
+/*
+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 ALLOCA_H_
+#define ALLOCA_H_
+
+#define alloca(x)      __builtin_alloca(x)
+
+#endif /* ALLOCA_H_ */