Initial revision

1 files changed, 94 insertions, 0 deletions

diff --git a/lib/base64.c b/lib/base64.c
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+++ b/lib/base64.c
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+/*****************************************************************************
+ *                                  _   _ ____  _     
+ *  Project                     ___| | | |  _ \| |    
+ *                             / __| | | | |_) | |    
+ *                            | (__| |_| |  _ <| |___ 
+ *                             \___|\___/|_| \_\_____|
+ *
+ *  The contents of this file are subject to the Mozilla Public License
+ *  Version 1.0 (the "License"); you may not use this file except in
+ *  compliance with the License. You may obtain a copy of the License at
+ *  http://www.mozilla.org/MPL/
+ *
+ *  Software distributed under the License is distributed on an "AS IS"
+ *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
+ *  License for the specific language governing rights and limitations
+ *  under the License.
+ *
+ *  The Original Code is Curl.
+ *
+ *  The Initial Developer of the Original Code is Daniel Stenberg.
+ *
+ *  Portions created by the Initial Developer are Copyright (C) 1998.
+ *  All Rights Reserved.
+ *
+ * ------------------------------------------------------------
+ * Main author:
+ * - Daniel Stenberg <Daniel.Stenberg@haxx.nu>
+ *
+ * 	http://curl.haxx.nu
+ *
+ * $Source$
+ * $Revision$
+ * $Date$
+ * $Author$
+ * $State$
+ * $Locker$
+ *
+ * ------------------------------------------------------------
+ ****************************************************************************/
+
+#include <stdio.h>
+
+/* ---- Base64 Encoding --- */
+static char table64[]=
+  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+  
+void base64Encode(char *intext, char *output)
+{
+  unsigned char ibuf[3];
+  unsigned char obuf[4];
+  int i;
+  int inputparts;
+
+  while(*intext) {
+    for (i = inputparts = 0; i < 3; i++) { 
+      if(*intext) {
+        inputparts++;
+        ibuf[i] = *intext;
+        intext++;
+      }
+      else
+        ibuf[i] = 0;
+    }
+                       
+    obuf [0] = (ibuf [0] & 0xFC) >> 2;
+    obuf [1] = ((ibuf [0] & 0x03) << 4) | ((ibuf [1] & 0xF0) >> 4);
+    obuf [2] = ((ibuf [1] & 0x0F) << 2) | ((ibuf [2] & 0xC0) >> 6);
+    obuf [3] = ibuf [2] & 0x3F;
+
+    switch(inputparts) {
+    case 1: /* only one byte read */
+      sprintf(output, "%c%c==", 
+              table64[obuf[0]],
+              table64[obuf[1]]);
+      break;
+    case 2: /* two bytes read */
+      sprintf(output, "%c%c%c=", 
+              table64[obuf[0]],
+              table64[obuf[1]],
+              table64[obuf[2]]);
+      break;
+    default:
+      sprintf(output, "%c%c%c%c", 
+              table64[obuf[0]],
+              table64[obuf[1]],
+              table64[obuf[2]],
+              table64[obuf[3]] );
+      break;
+    }
+    output += 4;
+  }
+  *output=0;
+}
+/* ---- End of Base64 Encoding ---- */