Add ntohs&l() and htons&l

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@324 42af7a65-404d-4744-a932-0658087f49c3

3 files changed, 146 insertions, 21 deletions

diff --git a/nuttx/lib/Makefile b/nuttx/lib/Makefile
index 7c34c3d2d..13621ed4d 100644
--- a/nuttx/lib/Makefile
+++ b/nuttx/lib/Makefile
@@ -1,4 +1,4 @@
-############################################################
+############################################################################
 # Makefile
 #
 #   Copyright (C) 2007 Gregory Nutt. All rights reserved.
@@ -14,7 +14,7 @@
 #    notice, this list of conditions and the following disclaimer in
 #    the documentation and/or other materials provided with the
 #    distribution.
-# 3. Neither the name Gregory Nutt nor the names of its contributors may be
+# 3. Neither the name NuttX nor the names of its contributors may be
 #    used to endorse or promote products derived from this software
 #    without specific prior written permission.
 #
@@ -31,7 +31,7 @@
 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
 #
-############################################################
+###########################################################################
 
 -include $(TOPDIR)/Make.defs
 
@@ -45,29 +45,23 @@ ifneq ($(CONFIG_NFILE_STREAMS),0)
 MISC_SRCS	+= lib_streamsem.c
 endif
 
-STRING_SRCS	= lib_memset.c lib_memcpy.c lib_memcmp.c lib_memmove.c \
-		  lib_strcpy.c lib_strncpy.c lib_strcmp.c \
-		  lib_strlen.c lib_strdup.c lib_strtol.c lib_strchr.c lib_strrchr.c \
-		  lib_strspn.c lib_strcspn.c \
-		  lib_strtok.c lib_strtokr.c lib_strerror.c
+STRING_SRCS	= lib_memset.c lib_memcpy.c lib_memcmp.c lib_memmove.c lib_strcpy.c \
+		  lib_strncpy.c lib_strcmp.c lib_strlen.c lib_strdup.c lib_strtol.c lib_strchr.c \
+		  lib_strrchr.c lib_strspn.c lib_strcspn.c lib_strtok.c lib_strtokr.c \
+		  lib_strerror.c
 
 CTYPE_SRCS	= 
 
-STDIO_SRCS	= lib_printf.c lib_rawprintf.c lib_lowprintf.c \
-		  lib_sprintf.c lib_libsprintf.c lib_vsprintf.c lib_libvsprintf.c \
-		  lib_memstream.c lib_lowstream.c lib_nullstream.c \
+STDIO_SRCS	= lib_printf.c lib_rawprintf.c lib_lowprintf.c lib_sprintf.c lib_libsprintf.c \
+		  lib_vsprintf.c lib_libvsprintf.c lib_memstream.c lib_lowstream.c lib_nullstream.c \
 		  lib_sscanf.c
 
 ifneq ($(CONFIG_NFILE_DESCRIPTORS),0)
 STDIO_SRCS	+= lib_rawstream.c
 ifneq ($(CONFIG_NFILE_STREAMS),0)
-STDIO_SRCS	+= lib_fopen.c lib_fclose.c \
-		  lib_fread.c lib_libfread.c lib_fgetc.c lib_fgets.c lib_gets.c \
-		  lib_fwrite.c lib_libfwrite.c lib_fflush.c \
-		  lib_fputc.c lib_puts.c lib_fputs.c \
-		  lib_ungetc.c \
-		  lib_vprintf.c lib_fprintf.c lib_vfprintf.c \
-		  lib_stdstream.c
+STDIO_SRCS	+= lib_fopen.c lib_fclose.c lib_fread.c lib_libfread.c lib_fgetc.c lib_fgets.c \
+		  lib_gets.c lib_fwrite.c lib_libfwrite.c lib_fflush.c lib_fputc.c lib_puts.c \
+		  lib_fputs.c lib_ungetc.c lib_vprintf.c lib_fprintf.c lib_vfprintf.c lib_stdstream.c
 endif
 endif
 
@@ -77,6 +71,8 @@ MATH_SRCS	= lib_rint.c
 
 UNISTD_SRCS	= lib_getopt.c
 
+NET_SRCS	= lib_htons.c lib_htonl.c
+
 LIBGEN_SRCS	= lib_basename.c lib_dirname.c
 
 SQ_SRCS		= sq_addlast.c sq_addfirst.c sq_addafter.c \
@@ -85,9 +81,8 @@ SQ_SRCS		= sq_addlast.c sq_addfirst.c sq_addafter.c \
 DQ_SRCS		= dq_addlast.c dq_addfirst.c dq_addafter.c dq_addbefore.c \
 		  dq_rem.c dq_remlast.c dq_remfirst.c
 
-CSRCS		= $(MISC_SRCS) $(STRING_SRCS) $(CTYPE_SRCS) $(STDIO_SRCS) \
-		  $(STDLIB_SRCS) $(MATH_SRCS) $(UNISTD_SRCS) $(LIBGEN_SRCS) \
-		  $(SQ_SRCS) $(DQ_SRCS)
+CSRCS		= $(MISC_SRCS) $(STRING_SRCS) $(CTYPE_SRCS) $(STDIO_SRCS) $(STDLIB_SRCS) \
+		  $(MATH_SRCS) $(UNISTD_SRCS) $(NET_SRCS) $(LIBGEN_SRCS) $(SQ_SRCS) $(DQ_SRCS)
 COBJS		= $(CSRCS:.c=$(OBJEXT))
 
 SRCS		= $(ASRCS) $(CSRCS)
diff --git a/nuttx/lib/lib_htonl.c b/nuttx/lib/lib_htonl.c
new file mode 100644
index 000000000..1cc5b6bcf
--- /dev/null
+++ b/nuttx/lib/lib_htonl.c
@@ -0,0 +1,67 @@
+/************************************************************
+ * lib_ntohl.c
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************/
+
+/************************************************************
+ * Compilation Switches
+ ************************************************************/
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <nuttx/config.h>
+#include <arpa/inet.h>
+
+/************************************************************
+ * Global Functions
+ ************************************************************/
+
+uint32 htonl(uint32 hl)
+{
+#ifdef CONFIG_ENDIAN_BIG
+  return hl;
+#else
+  return (uint32)htons((uint16)((hl) << 16)) | (uint32)htons((uint16)((hl) & 0xffff));
+#endif
+}
+
+uint32 ntohl(uint32 nl)
+{
+#ifdef CONFIG_ENDIAN_BIG
+  return nl;
+#else
+  return htonl(nl);
+#endif
+}
diff --git a/nuttx/lib/lib_htons.c b/nuttx/lib/lib_htons.c
new file mode 100644
index 000000000..7adf96f7d
--- /dev/null
+++ b/nuttx/lib/lib_htons.c
@@ -0,0 +1,63 @@
+/************************************************************
+ * lib_htons.c
+ *
+ *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************/
+
+/************************************************************
+ * Compilation Switches
+ ************************************************************/
+
+/************************************************************
+ * Included Files
+ ************************************************************/
+
+#include <nuttx/config.h>
+#include <arpa/inet.h>
+
+/************************************************************
+ * Global Functions
+ ************************************************************/
+
+uint16 htons(uint16 hs)
+{
+  return HTONS(hs);
+}
+
+uint16 ntohs (uint16 ns)
+{
+#ifdef CONFIG_ENDIAN_BIG
+  return ns
+#else
+  return htons(ns);
+#endif
+}