Housecleaning

2 files changed, 9 insertions, 6 deletions

diff --git a/README.md b/README.md
index 53a800a..e08c1d1 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,17 @@
 Skullfuck
 =========
-Skullfuck is a dead simple compiler for Brainfuck, contained in a single C source file. It outputs binaries targeting x86_64 and i686 Linux.
+Skullfuck is a dead simple optimizing compiler for Brainfuck, contained in a single C source file. It outputs binaries targeting x86_64 and i686 Linux.
 
 It depends on GNU Binutils, or any compatible implementation of `as` and `ld`.
 
 An explanation of the history and design behind the language is available at [the Esolang wiki.](https://esolangs.org/wiki/Brainfuck)
 
+Skullfuck is free software, licensed under the [GNU General Public License.](http://gnu.org/licenses/gpl.html)
+
 
 TODO
 ----
 * *BSD targeted binaries.
 * Automate test compilation/running.
 * Static analysis to warn when undefined behavior has been detected.
+* Optimize mutally cancelling operations.
diff --git a/skullfuck.c b/skullfuck.c
index a8de668..1c41dc9 100644
--- a/skullfuck.c
+++ b/skullfuck.c
@@ -37,7 +37,7 @@
 #define DEC_DATA     "\tdecb (%rsi)\n"
 #define SUB_DATA     "\tsubb $0x%x, (%%rsi)\n"
 #define ZERO_DATA    "\tmovb $0x00, (%rsi)\n"
-#define PRINT_DATA   "\tmovq $0x01, %rax\n" \
+#define WRITE_DATA   "\tmovq $0x01, %rax\n" \
                      "\tmovq $0x01, %rdi\n" \
                      "\tsyscall\n"
 #define READ_DATA    "\tmovq $0x00, %rax\n" \
@@ -71,7 +71,7 @@
 #define DEC_DATA     "\tdecb (%ecx)\n"
 #define SUB_DATA     "\tsubb $0x%x, (%%ecx)\n"
 #define ZERO_DATA    "\tmovb $0x00, (%ecx)\n"
-#define PRINT_DATA   "\tmovl $0x04, %eax\n" \
+#define WRITE_DATA   "\tmovl $0x04, %eax\n" \
                      "\tmovl $0x01, %ebx\n" \
                      "\tint $0x80\n"
 #define READ_DATA    "\tmovl $0x03, %eax\n" \
@@ -98,7 +98,7 @@
 #define MAX_CELLS      30000
 #define MAX_LOOP_DEPTH 64
 
-#define SKULLFUCK_VERSION "0.2.0"
+#define SKULLFUCK_VERSION "0.3.0"
 
 #define EXIT_SUCCESS 0
 #define EXIT_FAILURE 1
@@ -161,7 +161,7 @@ static int optimize_loops(char **in) {
    the collection of adjacent `op` characters, and returns the number
    of operations counted. */
 static int reduce(char **in, char op) {
-    int  i;
+    int i;
     for (i = 0; (*in)[i] == op; i++);
     *in += i - 1;
     return i;
@@ -210,7 +210,7 @@ static void write_instructions(FILE *out, char *in) {
                 }
                 break;
             case '.':
-                fputs(PRINT_DATA, out);
+                fputs(WRITE_DATA, out);
                 break;
             case ',':
                 fputs(READ_DATA, out);