Create safe_concat.c

strings/safe_concat.c

@@ -0,0 +1,30 @@
+#include <windows.h>
+#include <strsafe.h>
+#include <wchar.h>
+
+#define BUF_LEN 256
+
+int wmain(void) { 
+
+    wchar_t buf[BUF_LEN] = {0};      
+
+    HRESULT r = StringCchCatW(buf, BUF_LEN, L"Hello "); 
+        
+    if (FAILED(r)) {
+
+        wprintf(L"StringCchCatW() failed\n"); 
+        return 1;
+    }
+
+    r = StringCchCatW(buf, BUF_LEN, L"there"); 
+    
+    if (FAILED(r)) {
+
+        wprintf(L"StringCchCatW() failed\n"); 
+        return 1;
+    }
+
+    wprintf(L"%ls\n", buf);
+
+    return 0;
+}