1 files changed, 19 insertions, 0 deletions
diff --git a/vespalib/src/tests/tutorial/xml_escape.cpp b/vespalib/src/tests/tutorial/xml_escape.cpp
new file mode 100644
index 00000000000..4bbc1445318
--- /dev/null
+++ b/vespalib/src/tests/tutorial/xml_escape.cpp
@@ -0,0 +1,19 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+
+int main() {
+    char c[2] = "x";
+    while (fread(&c, 1, 1, stdin) == 1) {
+        const char *out = c;
+        switch (c[0]) {
+        case '<': out = "&lt;";   break;
+        case '>': out = "&gt;";   break;
+        case '&': out = "&amp;";  break;
+        case '"': out = "&quot;"; break;
+        }
+        fwrite(out, 1, strlen(out), stdout);
+    }
+    return 0;
+}