Added autoconf independent bytesex routines to libgruel.

[debian/gnuradio] / gruel / src / include / gruel / inet.h.in

diff --git a/gruel/src/include/gruel/inet.h.in b/gruel/src/include/gruel/inet.h.in
new file mode 100644 (file)
index 0000000..dd05257
--- /dev/null
+++ b/gruel/src/include/gruel/inet.h.in
@@ -0,0 +1,63 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008 Free Software Foundation, Inc.
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_INET_H
+#define INCLUDED_INET_H
+
+#include <stdint.h>
+
+#if @GR_ARCH_BIGENDIAN@  /* GR_ARCH_BIGENDIAN */
+// Nothing to do...
+static inline uint32_t htonl(uint32_t x){ return x; }
+static inline uint16_t htons(uint16_t x){ return x; }
+static inline uint32_t ntohl(uint32_t x){ return x; }
+static inline uint16_t ntohs(uint16_t x){ return x; }
+#else
+#if @GR_HAVE_BYTESWAP@  /* GR_HAVE_BYTESWAP */
+#include <byteswap.h>
+#else
+#warning Using non-portable code (likely wrong other than ILP32).
+
+static inline unsigned short int
+bswap_16 (unsigned short int x)
+{
+  return ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8));
+}
+
+static inline unsigned int
+bswap_32 (unsigned int x)
+{
+  return ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >>  8)      \
+       | (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24));
+}
+#endif /* GR_HAVE_BYTESWAP */
+
+static inline uint32_t htonl(uint32_t x){ return bswap_32(x); }
+static inline uint16_t htons(uint16_t x){ return bswap_16(x); }
+static inline uint32_t ntohl(uint32_t x){ return bswap_32(x); }
+static inline uint16_t ntohs(uint16_t x){ return bswap_16(x); }
+#endif /* GR_ARCH_BIGENDIAN */
+
+static inline uint8_t  ntohx(uint8_t  x){ return x;        }
+static inline uint16_t ntohx(uint16_t x){ return ntohs(x); }
+static inline uint32_t ntohx(uint32_t x){ return ntohl(x); }
+static inline uint8_t  htonx(uint8_t  x){ return x;        }
+static inline uint16_t htonx(uint16_t x){ return htons(x); }
+static inline uint32_t htonx(uint32_t x){ return htonl(x); }
+
+#endif /* INCLUDED_INET_H */