Some general refactoring in the builder / project code.

src/utils/common.h

@@ -13,6 +13,9 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#ifndef _MSC_VER
+#include <unistd.h>
+#endif
 
 #define NO_ARENA 0
 #define MAX_VECTOR_WIDTH 65536
@@ -20,7 +23,6 @@
 #define MAX_SOURCE_LOCATION_LEN 255
 #define PROJECT_JSON "project.json"
 
-
 #if defined( _WIN32 ) || defined( __WIN32__ ) || defined( _WIN64 )
 #define PLATFORM_WINDOWS 1
 #define PLATFORM_POSIX 0

src/utils/lib.h

@@ -15,6 +15,7 @@
 const char *download_file(const char *url, const char *resource, const char *file_path);
 #endif
 
+#define ELEMENTLEN(x) (sizeof(x) / sizeof(x[0]))
 extern const char *compiler_exe_name;
 
 typedef struct StringSlice_