Add stubs, wanted to compile to wasm

standalone_libraries/arena.c

@@ -434,7 +434,7 @@ MA_API bool MV_DecommitPos(MV_Memory *m, size_t pos) {
     return false;
 }
 
-#else
+#elif __unix__ || __linux__ || __APPLE__
     #include <sys/mman.h>
     #define MV__UNIX_PAGE_SIZE 4096
 MA_API MV_Memory MV_Reserve(size_t size) {
@@ -465,4 +465,17 @@ MA_API void MV_Deallocate(MV_Memory *m) {
     int result = munmap(m->data, m->reserve);
     MA_Assertf(result == 0, "Failed to release virtual memory using munmap");
 }
+#else
+MA_API MV_Memory MV_Reserve(size_t size) {
+    MV_Memory result = {0};
+    return result;
+}
+
+MA_API bool MV_Commit(MV_Memory *m, size_t commit) {
+    return false;
+}
+
+MA_API void MV_Deallocate(MV_Memory *m) {
+}
+
 #endif

standalone_libraries/io.c

@@ -203,9 +203,8 @@ IO_API IO_ErrorResult IO_OutputError(char *str, int len) {
 IO_API void IO_Exit(int error_code) {
     ExitProcess(error_code);
 }
-#else // _WIN32 else // LIBC
+#elif __linux__ || __unix__ || __APPLE__
     #include <stdio.h>
-
 IO_API IO_ErrorResult IO_OutputError(char *str, int len) {
     fprintf(stderr, "%.*s", len, str);
     return IO_ErrorResult_Exit;
@@ -222,4 +221,19 @@ IO_API void IO_Exit(int error_code) {
 IO_API bool IO_IsDebuggerPresent(void) {
     return false;
 }
+#else
+IO_API IO_ErrorResult IO_OutputError(char *str, int len) {
+    return IO_ErrorResult_Exit;
+}
+
+IO_API void IO_OutputMessage(char *str, int len) {
+}
+
+IO_API void IO_Exit(int error_code) {
+}
+
+IO_API bool IO_IsDebuggerPresent(void) {
+    return false;
+}
+
 #endif // LIBC

standalone_libraries/preproc_env.h

@@ -11,6 +11,7 @@
 #elif defined(__linux__)
     #define OS_POSIX 1
     #define OS_LINUX 1
+#elif OS_WASM
 #else
     #error Unsupported platform
 #endif
@@ -109,6 +110,8 @@
     #define OS_NAME "linux"
 #elif OS_MAC
     #define OS_NAME "mac_os"
+#elif OS_WASM
+    #define OS_NAME "wasm"
 #else
     #error couldnt figure out OS
 #endif