update for macOS, 2015-08

src/2015/08.c

@@ -1,10 +1,51 @@
 #include <stdio.h>
-#include <stdlib.h>
+#include <string.h>
 
 #include "lfinput.h"
 
-void advent2015day08(void) {
-    char *input = get_input("input/2015/08");
-    printf("Solution for Day 08 of 2015 is not completed yet\n");
-    free(input);
+static size_t part_one(char** input, size_t sz) {
+    size_t code = 0, mem = 0;
+
+    for (size_t i = 0; i < sz; ++i) {
+        code += strlen(input[i]);
+        for (size_t j = 1; j < strlen(input[i]) - 1; ++j) {
+            if (input[i][j] == '\\') {
+                if (input[i][j + 1] == '\"' || input[i][j + 1] == '\\') {
+                    ++j;
+                } else {
+                    j += 3;
+                }
+            }
+            ++mem;
+        }
+    }
+
+    return code - mem;
+}
+
+static size_t part_two(char** input, size_t sz) {
+    size_t code = 0, encoded = 0;
+
+    for (size_t i = 0; i < sz; ++i) {
+        code += strlen(input[i]);
+        encoded += 6;
+        for (size_t j = 1; j < strlen(input[i]) - 1; ++j) {
+            if (input[i][j] == '\\' || input[i][j] == '\"') {
+                ++encoded;
+            }
+            ++encoded;
+        }
+    }
+
+    return encoded - code;
+}
+
+void advent2015day08(void) {
+    size_t sz = 0;
+    char **input = get_lines("input/2015/08", &sz);
+
+    printf("%zu\n", part_one(input, sz));
+    printf("%zu\n", part_two(input, sz));
+
+    del_lines(input);
 }

src/advent_utility.c

@@ -2,7 +2,7 @@
 #include <string.h>
 #include <stdio.h>
 
-#ifdef __linux__
+#if defined __linux__ || defined __APPLE__
 
 #include <openssl/md5.h>
 
@@ -40,7 +40,7 @@ int same_Point_v(const void *a, const void *b) {
 char *md5_str(const char *input) {
     unsigned char digest[16];
 
-#ifdef __linux__
+#if defined __linux__ || defined __APPLE__
     MD5_CTX context;
     MD5_Init(&context);
     MD5_Update(&context, input, strlen(input));