Changeset 169 for trunk/src/emx/include/machine/endian.h

Timestamp:

May 18, 2003, 6:53:22 AM (22 years ago)

Author:

bird

Message:

Freebsd 5.0/4.8 kind of.

File:

• trunk/src/emx/include/machine/endian.h (modified) (2 diffs, 1 prop)

trunk/src/emx/include/machine/endian.h

@@ -1 @@
-/* machine/endian.h (emx+gcc) */
+/* machine/endian.h (emx+gcc) (freebsd 5.0 inspired) */
 
 #ifndef _MACHINE_ENDIAN_H
@@ -6 +6 @@
 #include <386/endian.h>
 
+
+/** NOTE this is actually sys/endian.h! */
+
+#ifndef _UINT16_T_DECLARED
+typedef __uint16_t      uint16_t;
+#define _UINT16_T_DECLARED
+#endif
+
+#ifndef _UINT32_T_DECLARED
+typedef __uint32_t      uint32_t;
+#define _UINT32_T_DECLARED
+#endif
+
+#ifndef _UINT64_T_DECLARED
+typedef __uint64_t      uint64_t;
+#define _UINT64_T_DECLARED
+#endif
+
+/*
+ * General byte order swapping functions.
+ */
+#define bswap16(x)      __bswap16(x)
+#define bswap32(x)      __bswap32(x)
+#define bswap64(x)      __bswap64(x)
+
+/*
+ * Host to big endian, host to little endian, big endian to host, and little
+ * endian to host byte order functions as detailed in byteorder(9).
+ */
+#if _BYTE_ORDER == _LITTLE_ENDIAN
+#define htobe16(x)      bswap16((x))
+#define htobe32(x)      bswap32((x))
+#define htobe64(x)      bswap64((x))
+#define htole16(x)      ((uint16_t)(x))
+#define htole32(x)      ((uint32_t)(x))
+#define htole64(x)      ((uint64_t)(x))
+
+#define be16toh(x)      bswap16((x))
+#define be32toh(x)      bswap32((x))
+#define be64toh(x)      bswap64((x))
+#define le16toh(x)      ((uint16_t)(x))
+#define le32toh(x)      ((uint32_t)(x))
+#define le64toh(x)      ((uint64_t)(x))
+#else /* _BYTE_ORDER != _LITTLE_ENDIAN */
+#define htobe16(x)      ((uint16_t)(x))
+#define htobe32(x)      ((uint32_t)(x))
+#define htobe64(x)      ((uint64_t)(x))
+#define htole16(x)      bswap16((x))
+#define htole32(x)      bswap32((x))
+#define htole64(x)      bswap64((x))
+
+#define be16toh(x)      ((uint16_t)(x))
+#define be32toh(x)      ((uint32_t)(x))
+#define be64toh(x)      ((uint64_t)(x))
+#define le16toh(x)      bswap16((x))
+#define le32toh(x)      bswap32((x))
+#define le64toh(x)      bswap64((x))
+#endif /* _BYTE_ORDER == _LITTLE_ENDIAN */
+
 #endif /* not _MACHINE_ENDIAN_H */
+
+