add example outputs

README.org

@@ -1,6 +1,15 @@
 * libkhash - kana-hash
   Kana mnemonic hashes
 
+** Example output
+   Input is "uguu~" using the default salt.
+   | Algorithm          | Output                                                           |
+   |--------------------+------------------------------------------------------------------|
+   | SHA256             | おシソまツアでぅせツモァだゅノびヲろぢォセつマぶけぁユねハァがゅ |
+   | CRC32              | わぼぢァ                                                         |
+   | CRC64              | づやワえぼちレこ                                                 |
+   | SHA256 (truncated) | おシソまツアで                                                   |
+
 ** Installation
    The dynamic library is built with ~Cargo~ and ~Rust~, and the cli example program is built with ~gcc~.
 
@@ -56,29 +65,29 @@
 
 *** Example
     To create a context
-#+BEGIN_SRC c
+    #+BEGIN_SRC c
   #include <khash.h>
 
   const char* input_salt = "salt!";
   const char* input_data = "some data to hash".
   khash_context ctx;
   assert(khash_new_context(KHASH_ALGO_SHA256, KHASH_SALT_TYPE_SPECIFIC, input_salt, strlen(input_salt), &ctx) == KHASH_SUCCESS, "khash_new_context() failed.");
-#+END_SRC
+    #+END_SRC
     Find the buffer length we need.
 
-#+BEGIN_SRC c
+    #+BEGIN_SRC c
   size_t length;
   assert(khash_length(&ctx, input_data, strlen(input_data), &length) == KHASH_SUCCESS, "khash_length() failed.");
-#+END_SRC
+    #+END_SRC
     Create the buffer and hash, then print the result to ~stdout~.
-#+BEGIN_SRC c
+    #+BEGIN_SRC c
   char* buffer = alloca(length+1);
   assert(khash_do(&ctx, input_data, strlen(input_data), buffer, length) == KHASH_SUCCESS, "khash_do() failed.");
   buffer[length] = 0; // Ensure we have a NUL terminator.
 
   setlocale(LC_ALL, ""); //Ensure we can print UTF-8.
   printf("Kana hash: %s\n", buffer);
-#+END_SRC
+    #+END_SRC
 
 *** Definitions