Fix building Connect storage engine ioapi code on OpenBSD / NetBSD / DragonFly

storage/connect/ioapi.c

@@ -14,8 +14,7 @@
         #define _CRT_SECURE_NO_WARNINGS
 #endif
 
-#if defined(__APPLE__) || defined(IOAPI_NO_64)
-// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
+#if defined(IOAPI_NO_64)
 #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
 #define FTELLO_FUNC(stream) ftello(stream)
 #define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)

storage/connect/ioapi.h

@@ -21,7 +21,7 @@
 #ifndef _ZLIBIOAPI64_H
 #define _ZLIBIOAPI64_H
 
-#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
+#if defined(__linux__)
 
   // Linux needs this to support file operation on files larger then 4+GB
   // But might need better if/def to select just the platforms that needs them.
@@ -50,7 +50,8 @@
 #define ftello64 ftell
 #define fseeko64 fseek
 #else
-#ifdef __FreeBSD__
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || \
+    defined(__OpenBSD__) || defined(__DragonFly__)
 #define fopen64 fopen
 #define ftello64 ftello
 #define fseeko64 fseeko