lib:compression: Fix code spelling

Best reviewed with: `git show --word-diff`.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

lib/compression/lzxpress_huffman.c

@@ -447,7 +447,7 @@ static int generate_huffman_codes(struct huffman_node *leaf_nodes,
 		n_leaves = 2;
 	}
 
-	/* note, in sort we're using internal_nodes as auxillary space */
+	/* note, in sort we're using internal_nodes as auxiliary space */
 	stable_sort(leaf_nodes,
 		    internal_nodes,
 		    n_leaves,
@@ -465,7 +465,7 @@ static int generate_huffman_codes(struct huffman_node *leaf_nodes,
 	 * In practice it will almost always resolve in the first round; if
 	 * not then, in the second or third. Remember we'll looking at 64k or
 	 * less, so the rarest we can have is 1 in 64k; each round of
-	 * quantization effecively doubles its frequency to 1 in 32k, 1 in
+	 * quantization effectively doubles its frequency to 1 in 32k, 1 in
 	 * 16k, etc, until we're treating the rare symbol as actually quite
 	 * common.
 	 */
@@ -591,7 +591,7 @@ static int generate_huffman_codes(struct huffman_node *leaf_nodes,
 			 *
 			 * We need to sort the nodes of equal depth, so that
 			 * they are sorted by depth first, and symbol value
-			 * second. The internal_nodes can again be auxillary
+			 * second. The internal_nodes can again be auxiliary
 			 * memory.
 			 */
 			stable_sort(

lib/compression/lzxpress_huffman.h

@@ -45,7 +45,7 @@ struct huffman_node {
 
 /*
  * This struct just coalesces all the memory you need for LZ77 + Huffman
- * compresssion together in one bundle.
+ * compression together in one bundle.
  *
  * There are a few different things you want, you usually want them all, so
  * this makes it easy to allocate them all at once.

lib/compression/pycompression.c

@@ -270,7 +270,7 @@ static PyMethodDef mod_methods[] = {
 };
 
 
-#define MODULE_DOC PyDoc_STR("LZXpress compresssion/decompression bindings")
+#define MODULE_DOC PyDoc_STR("LZXpress compression/decompression bindings")
 
 static struct PyModuleDef moduledef = {
     PyModuleDef_HEAD_INIT,

lib/compression/tests/test_lzx_huffman.c

@@ -293,7 +293,7 @@ struct lzx_pair bidirectional_pairs[] = {
 		 /*
 		  * In this case there are no matches encoded as there are no
 		  * repeated symbols. Including the EOF, there are 27 symbols
-		  * all occuring exactly as frequently as each other (once).
+		  * all occurring exactly as frequently as each other (once).
 		  * From that we would expect the codes to be mostly 5 bits
 		  * long, because 27 < 2^5 (32), but greater than 2^4. And
 		  * that's what we see.
@@ -819,7 +819,7 @@ static void test_lzxpress_huffman_long_random_graph_round_trip(void **state)
 	 * simple loop, but we introduce damage into the system, randomly
 	 * flipping about 1 bit in 64.
 	 *
-	 * The result is semi-structured and compressable.
+	 * The result is semi-structured and compressible.
 	 */
 	uint8_t *d = original.data;
 	uint8_t *table = talloc_array(mem_ctx, uint8_t, 65536);

lib/compression/tests/test_lzxpress_plain.c

@@ -481,7 +481,7 @@ static void test_lzxpress_plain_round_trip_files(void **state)
 		      ((double)compressed_total) / reference_total);
 	/*
 	 * Assert that the compression is better than Windows. Unlike the
-	 * Huffman varient, where things are very even, here we do much better
+	 * Huffman variant, where things are very even, here we do much better
 	 * than Windows without especially trying.
 	 */
 	assert_true(compressed_total <= reference_total);
@@ -592,7 +592,7 @@ static void test_lzxpress_plain_long_random_graph_round_trip(void **state)
 	 * simple loop, but we introduce damage into the system, randomly
 	 * flipping about 1 bit in 64.
 	 *
-	 * The result is semi-structured and compressable.
+	 * The result is semi-structured and compressible.
 	 */
 	uint8_t *d = original.data;
 	uint8_t *table = talloc_array(mem_ctx, uint8_t, 65536);