add uint32_read interface.

uint/uint32_read.c

@@ -0,0 +1,9 @@
+#define NO_UINT32_MACROS
+#include "uint32.h"
+
+uint32 uint32_read(const char *in) {
+  return (((uint32)(unsigned char)in[3])<<24) |
+         (((uint32)(unsigned char)in[2])<<16) |
+         (((uint32)(unsigned char)in[1])<<8) |
+          (uint32)(unsigned char)in[0];
+}

uint/uint32_read_big.c

@@ -0,0 +1,9 @@
+#define NO_UINT32_MACROS
+#include "uint32.h"
+
+uint32 uint32_read_big(const char *in) {
+  return (((uint32)(unsigned char)in[0])<<24) |
+         (((uint32)(unsigned char)in[1])<<16) |
+         (((uint32)(unsigned char)in[2])<<8) |
+          (uint32)(unsigned char)in[3];
+}

uint32.h

@@ -3,40 +3,21 @@
 
 typedef unsigned int uint32;
 
-#ifndef __linux__
-#define NO_UINT32_MACROS
-#endif
-
-#ifdef NO_UINT32_MACROS
-extern void uint32_pack(char *out,uint32 in);
-extern void uint32_pack_big(char *out,uint32 in);
-extern void uint32_unpack(const char *in,uint32* out);
-extern void uint32_unpack_big(const char *in,uint32* out);
-#else
-
-#include <endian.h>
-
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-
+#if defined(__i386__) && !defined(NO_UINT32_MACROS)
 #define uint32_pack(out,in) (*(uint32*)(out)=(in))
-
-extern void uint32_pack_big(char *out,uint32 in);
-
 #define uint32_unpack(in,out) (*(out)=*(uint32*)(in))
-
+#define uint32_read(in) (*(uint32*)in)
+extern void uint32_pack_big(char *out,uint32 in);
 extern void uint32_unpack_big(const char *in,uint32* out);
-
+extern uint32 uint32_read_big(const char *in);
 #else
 
 extern void uint32_pack(char *out,uint32 in);
-
-#define uint32_pack_big(out,in) (*(uint32*)(out)=(in))
-
+extern void uint32_pack_big(char *out,uint32 in);
 extern void uint32_unpack(const char *in,uint32* out);
-
-#define uint32_unpack_big(in,out) (*(out)=*(uint32*)(in))
-
-#endif
+extern void uint32_unpack_big(const char *in,uint32* out);
+extern uint32 uint32_read(const char *in);
+extern uint32 uint32_read_big(const char *in);
 
 #endif