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-rw-r--r--com32/include/klibc/endian.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/com32/include/klibc/endian.h b/com32/include/klibc/endian.h
new file mode 100644
index 00000000..7537a47e
--- /dev/null
+++ b/com32/include/klibc/endian.h
@@ -0,0 +1,38 @@
+/*
+ * klibc/endian.h
+ *
+ * Like <endian.h>, but export only double-underscore symbols
+ */
+
+#ifndef _KLIBC_ENDIAN_H
+#define _KLIBC_ENDIAN_H
+
+#define __LITTLE_ENDIAN /* we're on i386, littleendian */
+
+/* Linux' asm/byteorder.h defines either __LITTLE_ENDIAN or
+ __BIG_ENDIAN, but the glibc/BSD-ish macros expect both to be
+ defined with __BYTE_ORDER defining which is actually used... */
+
+#if defined(__LITTLE_ENDIAN)
+# undef __LITTLE_ENDIAN
+# define __LITTLE_ENDIAN 1234
+# define __BIG_ENDIAN 4321
+# define __PDP_ENDIAN 3412
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#elif defined(__BIG_ENDIAN)
+# undef __BIG_ENDIAN
+# define __LITTLE_ENDIAN 1234
+# define __BIG_ENDIAN 4321
+# define __PDP_ENDIAN 3412
+# define __BYTE_ORDER __BIG_ENDIAN
+#elif defined(__PDP_ENDIAN)
+# undef __PDP_ENDIAN
+# define __LITTLE_ENDIAN 1234
+# define __BIG_ENDIAN 4321
+# define __PDP_ENDIAN 3412
+# define __BYTE_ORDER __PDP_ENDIAN
+#else
+# error "Unknown byte order!"
+#endif
+
+#endif /* _KLIBC_ENDIAN_H */