1 files changed, 72 insertions, 0 deletions

diff --git a/pjlib/src/pjlib-test/os.c b/pjlib/src/pjlib-test/os.c
index ad630245..d5b1879c 100644
--- a/pjlib/src/pjlib-test/os.c
+++ b/pjlib/src/pjlib-test/os.c
@@ -22,11 +22,81 @@
 #include <pj/os.h>
 
 #if INCLUDE_OS_TEST
+static int endianness_test32(void)
+{
+    union t
+    {
+	pj_uint32_t u32;
+	pj_uint16_t u16[2];
+	pj_uint8_t u8[4];
+    } t;
+
+    PJ_LOG(3,("", " Testing endianness.."));
+
+    t.u32 = 0x11223344;
+
+#if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN
+    PJ_LOG(3,("", "   Library is set to little endian"));
+
+#  if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN
+#    error Error: Both PJ_IS_LITTLE_ENDIAN and PJ_IS_BIG_ENDIAN are set!
+#  endif
+
+    if ((t.u16[0] & 0xFFFF) != 0x3344 ||
+	(t.u16[1] & 0xFFFF) != 0x1122)
+    {
+	PJ_LOG(3,("", "   Error: wrong 16bit values 0x%x and 0x%x",
+		      (t.u16[0] & 0xFFFF), (t.u16[1] & 0xFFFF)));
+	return 10;
+    }
+
+    if ((t.u8[0] & 0xFF) != 0x44 ||
+	(t.u8[1] & 0xFF) != 0x33 ||
+	(t.u8[2] & 0xFF) != 0x22 ||
+	(t.u8[3] & 0xFF) != 0x11)
+    {
+	PJ_LOG(3,("", "   Error: wrong 8bit values"));
+	return 12;
+    }
+
+#elif defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN
+    PJ_LOG(3,("", "   Library is set to big endian"));
+
+    if ((t.u16[0] & 0xFFFF) != 0x1122 ||
+	(t.u16[1] & 0xFFFF) != 0x3344)
+    {
+	PJ_LOG(3,("", "   Error: wrong 16bit values 0x%x and 0x%x",
+		      (t.u16[0] & 0xFFFF), (t.u16[1] & 0xFFFF)));
+	return 20;
+    }
+
+    if ((t.u8[0] & 0xFF) != 0x11 ||
+	(t.u8[1] & 0xFF) != 0x22 ||
+	(t.u8[2] & 0xFF) != 0x33 ||
+	(t.u8[3] & 0xFF) != 0x44)
+    {
+	PJ_LOG(3,("", "   Error: wrong 8bit values"));
+	return 22;
+    }
+
+#  if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN
+#    error Error: Both PJ_IS_LITTLE_ENDIAN and PJ_IS_BIG_ENDIAN are set!
+#  endif
+
+
+#else
+#    error Error: Endianness is not set properly!
+#endif
+
+    return 0;
+}
+
 int os_test(void)
 {
     const pj_sys_info *si;
     int rc = 0;
 
+    PJ_LOG(3,("", " Sys info:"));
     si = pj_get_sys_info();
     PJ_LOG(3,("", "   machine:  %s", si->machine.ptr));
     PJ_LOG(3,("", "   os_name:  %s", si->os_name.ptr));
@@ -35,6 +105,8 @@ int os_test(void)
     PJ_LOG(3,("", "   sdk_ver:  0x%x", si->sdk_ver));
     PJ_LOG(3,("", "   info:     %s", si->info.ptr));
 
+    rc = endianness_test32();
+
     return rc;
 }