double and float fix

[lttv.git] / ltt / branches / poly / ltt / event.c

diff --git a/ltt/branches/poly/ltt/event.c b/ltt/branches/poly/ltt/event.c
index 207c5d552fa8f444022eacdd35c52741992fe174..a5b046814027e30f74b3f9410518a85284cebdb0 100644 (file)
--- a/ltt/branches/poly/ltt/event.c
+++ b/ltt/branches/poly/ltt/event.c
@@ -26,7 +26,7 @@
 #include <glib.h>
 
 #include <asm/types.h>
-#include <linux/byteorder/swab.h>
+#include <byteswap.h>
 
 #include "parser.h"
 #include <ltt/ltt.h>
@@ -614,31 +614,31 @@ gint64 ltt_event_get_long_int(LttEvent *e, LttField *f)
 
 float ltt_event_get_float(LttEvent *e, LttField *f)
 {
-  gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
+  g_assert(LTT_HAS_FLOAT(e->tracefile));
+  gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile);
 
   g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4);
 
   if(reverse_byte_order == 0) return *(float *)(e->data + f->offset_root);
   else{
-    guint32 aInt;
-    memcpy((void*)&aInt, e->data + f->offset_root, 4);
-    aInt = ___swab32(aInt);
-    return ((float)aInt);
+    void *ptr = e->data + f->offset_root;
+    guint32 value = bswap_32(*(guint32*)ptr);
+    return *(float*)&value;
   }
 }
 
 double ltt_event_get_double(LttEvent *e, LttField *f)
 {
-  gboolean reverse_byte_order = LTT_GET_BO(e->tracefile);
+  g_assert(LTT_HAS_FLOAT(e->tracefile));
+  gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile);
 
   g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8);
 
   if(reverse_byte_order == 0) return *(double *)(e->data + f->offset_root);
-  else{
-    guint64 aInt;
-    memcpy((void*)&aInt, e->data + f->offset_root, 8);
-    aInt = ___swab64(aInt);
-    return ((double)aInt);
+  else {
+    void *ptr = e->data + f->offset_root;
+    guint64 value = bswap_64(*(guint64*)ptr);
+    return *(double*)&value;
   }
 }