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authorklaar36 <klas.arvidsson@liu.se>2015-03-20 17:30:24 +0100
committerklaar36 <klas.arvidsson@liu.se>2015-03-20 17:30:24 +0100
commite7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad (patch)
tree4de97af7207676b69cb6a9aba8cb443cc134855d /src/lib/stddef.h
parentb0418a24e709f0632d2ede5b0f327c422931939b (diff)
downloadpintos-rs-e7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad.tar.gz
Initial Pintos
Diffstat (limited to 'src/lib/stddef.h')
-rw-r--r--src/lib/stddef.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/lib/stddef.h b/src/lib/stddef.h
new file mode 100644
index 0000000..4e74fa6
--- /dev/null
+++ b/src/lib/stddef.h
@@ -0,0 +1,12 @@
+#ifndef __LIB_STDDEF_H
+#define __LIB_STDDEF_H
+
+#define NULL ((void *) 0)
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
+
+/* GCC predefines the types we need for ptrdiff_t and size_t,
+ so that we don't have to guess. */
+typedef __PTRDIFF_TYPE__ ptrdiff_t;
+typedef __SIZE_TYPE__ size_t;
+
+#endif /* lib/stddef.h */