Fix (get|put)_double wrt. endianess

These functions are currently unused, but might be in the future to
support O (dBASE) and B (FoxPro) doubles, so we already fix them for
little-endian systems.

git-svn-id: http://svn.php.net/repository/pecl/dbase/trunk@340801 c90b9560-bf6c-de11-be94-00142212c4b1

Author: cmb69

dbf_misc.c

@@ -12,6 +12,16 @@
 
 #include "php_reentrancy.h"
 
+#if (defined(__APPLE__) || defined(__APPLE_CC__)) && (defined(__BIG_ENDIAN__) || defined(__LITTLE_ENDIAN__))
+# if defined(__LITTLE_ENDIAN__)
+#  undef WORDS_BIGENDIAN
+# else
+#  if defined(__BIG_ENDIAN__)
+#   define WORDS_BIGENDIAN
+#  endif
+# endif
+#endif
+
 /*
  * routine to change little endian long to host long
  */
@@ -60,31 +70,31 @@ double get_double(char *cp)
 {
 	double ret;
 	unsigned char *dp = (unsigned char *)&ret;
-
-	dp[7] = *cp++;
-	dp[6] = *cp++;
-	dp[5] = *cp++;
-	dp[4] = *cp++;
-	dp[3] = *cp++;
-	dp[2] = *cp++;
-	dp[1] = *cp++;
-	dp[0] = *cp++;
+	int i;
+
+#ifdef WORDS_BIGENDIAN
+	for (i = 7; i >= 0; i--) {
+#else
+	for (i = 0; i <= 7; i++) {
+#endif
+		dp[i] = *cp++;
+	}
 
 	return ret;
 }
 
 void put_double(char *cp, double fval)
 {
 	unsigned char *dp = (unsigned char *)&fval;
-
-	cp[7] = *dp++;
-	cp[6] = *dp++;
-	cp[5] = *dp++;
-	cp[4] = *dp++;
-	cp[3] = *dp++;
-	cp[2] = *dp++;
-	cp[1] = *dp++;
-	cp[0] = *dp++;
+	int i;
+
+#ifdef WORDS_BIGENDIAN
+	for (i = 7; i >= 0; i--) {
+#else
+	for (i = 0; i <= 7; i++) {
+#endif
+		cp[i] = *dp++;
+	}
 }
 
 void copy_fill(char *dp, char *sp, int len)