X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Flogicsnapshot.cpp;h=797a00bc54789f2cd4de2f7067448cf98aec0b96;hp=a1beafb9c4e4e3e3c50a111077e62fd3c2d261d5;hb=c2d4e9df36b9c19c691ff6fcb57066fd84a652e3;hpb=8cb717055ce13a6d6568ff384b3cd3932c41d1b0

diff --git a/pv/data/logicsnapshot.cpp b/pv/data/logicsnapshot.cpp
index a1beafb9..797a00bc 100644
--- a/pv/data/logicsnapshot.cpp
+++ b/pv/data/logicsnapshot.cpp
@@ -27,6 +27,7 @@
 
 #include <boost/foreach.hpp>
 
+#include "config.h"
 #include "logicsnapshot.h"
 
 using boost::lock_guard;
@@ -64,6 +65,9 @@ LogicSnapshot::~LogicSnapshot()
 
 uint64_t LogicSnapshot::unpack_sample(const uint8_t *ptr) const
 {
+#ifdef HAVE_UNALIGNED_LITTLE_ENDIAN_ACCESS
+	return *(uint64_t*)ptr;
+#else
 	uint64_t value = 0;
 	switch(_unit_size) {
 	default:
@@ -94,10 +98,14 @@ uint64_t LogicSnapshot::unpack_sample(const uint8_t *ptr) const
 		break;
 	}
 	return value;
+#endif
 }
 
 void LogicSnapshot::pack_sample(uint8_t *ptr, uint64_t value)
 {
+#ifdef HAVE_UNALIGNED_LITTLE_ENDIAN_ACCESS
+	*(uint64_t*)ptr = value;
+#else
 	switch(_unit_size) {
 	default:
 		ptr[7] = value >> 56;
@@ -126,6 +134,7 @@ void LogicSnapshot::pack_sample(uint8_t *ptr, uint64_t value)
 	case 0:
 		break;
 	}
+#endif
 }
 
 void LogicSnapshot::append_payload(
@@ -155,7 +164,7 @@ void LogicSnapshot::get_samples(uint8_t *const data,
 	lock_guard<recursive_mutex> lock(_mutex);
 
 	const size_t size = (end_sample - start_sample) * _unit_size;
-	memcpy(data, (const uint8_t*)_data + start_sample, size);
+	memcpy(data, (const uint8_t*)_data + start_sample * _unit_size, size);
 }
 
 void LogicSnapshot::reallocate_mipmap_level(MipMapLevel &m)