Small program to check the endian-ness of the platform.

2 files changed, 25 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..46d65b4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+
+CPPFLAGS=-Wall
+
+check-endian: check-endian.cpp
diff --git a/check-endian.cpp b/check-endian.cpp
new file mode 100644
index 0000000..f355485
--- /dev/null
+++ b/check-endian.cpp
@@ -0,0 +1,21 @@
+
+#include <cstdlib>
+#include <iostream>
+
+using namespace std;
+
+int main(int argc, char** argv)
+{
+    int num = 1;
+    char* p = reinterpret_cast<char*>(&num);
+    cout << "size of int: " << sizeof(num) << endl;
+    // Check the valu of the least significant byte.
+    int check = static_cast<int>(p[0]);
+    if (check)
+        cout << "little endian" << endl;
+    else
+        cout << "big endian" << endl;
+
+    return EXIT_SUCCESS;
+}
+