Reorganise src directory

src/core/cpath/cpath.c

@@ -1,13 +1,16 @@
 #include "cpath.h"
 #include "aliases.h"
+#include "platform.h"
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 
-#if defined(__unix__) || defined(__APPLE__) || defined(__ANDROID__)
+#ifdef WAPP_PLATFORM_POSIX
 internal char path_sep = '/';
-#elif defined(_WIN32) || defined(_WIN64)
+#elif defined(WAPP_PLATFORM_WINDOWS)
 internal char path_sep = '\\';
+#else
+#error "Unrecognised platform"
 #endif
 
 void join_root_and_leaf(const char *root, const char *leaf, char *dst);

src/core/cpath/cpath.h

@@ -7,11 +7,9 @@
 BEGIN_C_LINKAGE
 #endif // __cplusplus
 
-#define NUMPARTS(...)                                                          \
-  (sizeof((const char *[]){"", __VA_ARGS__}) / sizeof(const char *) - 1)
+#define NUMPARTS(...) (sizeof((const char *[]){"", __VA_ARGS__}) / sizeof(const char *) - 1)
 
-#define wapp_cpath_join_path(DST, ...)                                         \
-  join_path(DST, NUMPARTS(__VA_ARGS__), __VA_ARGS__)
+#define wapp_cpath_join_path(DST, ...) join_path(DST, NUMPARTS(__VA_ARGS__), __VA_ARGS__)
 #define wapp_cpath_dirname(DST, PATH) dirup(DST, 1, PATH)
 #define wapp_cpath_dirup(DST, COUNT, PATH) dirup(DST, COUNT, PATH)