experiment/fiddle

experimental/fiddle/base64.h

+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef base64_DEFINED
+#define base64_DEFINED
+
+#include <stdio.h>
+
+inline void EncodeToBase64(const void* data, size_t size, FILE* out) {

[mtklein, 2015/09/17 13:58:22]

Ditto.  Why is this not in fiddle_main?

+    const uint8_t* input = reinterpret_cast<const uint8_t*>(data);
+    const uint8_t* end = &input[size];
+    static const char codes[] =
+            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+            "abcdefghijklmnopqrstuvwxyz0123456789+/";
+    while (input != end) {
+        uint8_t b = (*input & 0xFC) >> 2;
+        fputc(codes[b], out);
+        b = (*input & 0x03) << 4;
+        ++input;
+        if (input == end) {
+            fputc(codes[b], out);
+            fputs("==", out);
+            return;
+        }
+        b |= (*input & 0xF0) >> 4;
+        fputc(codes[b], out);
+        b = (*input & 0x0F) << 2;
+        ++input;
+        if (input == end) {
+            fputc(codes[b], out);
+            fputc('=', out);
+            return;
+        }
+        b |= (*input & 0xC0) >> 6;
+        fputc(codes[b], out);
+        b = *input & 0x3F;
+        fputc(codes[b], out);
+        ++input;
+    }
+}
+#endif  // base64_DEFINED