Remove MG_ENABLE_STDIO and cleanup

src/util.c

@@ -2,17 +2,6 @@
 
 #include "util.h"
 
-#if MG_ENABLE_STDIO
-int mg_stat(const char *path, mg_stat_t *st) {
-#ifdef _WIN32
-  wchar_t tmp[MG_PATH_MAX];
-  MultiByteToWideChar(CP_UTF8, 0, path, -1, tmp, sizeof(tmp) / sizeof(tmp[0]));
-  return _wstati64(tmp, st);
-#else
-  return stat(path, st);
-#endif
-}
-
 char *mg_file_read(const char *path, size_t *sizep) {
   FILE *fp;
   char *data = NULL;
@@ -67,7 +56,6 @@ bool mg_file_printf(const char *path, const char *fmt, ...) {
   if (buf != tmp) free(buf);
   return result;
 }
-#endif  // MG_ENABLE_STDIO
 
 void mg_random(void *buf, size_t len) {
   bool done = false;
@@ -75,7 +63,7 @@ void mg_random(void *buf, size_t len) {
 #if MG_ARCH == MG_ARCH_ESP32
   while (len--) *p++ = (unsigned char) (esp_random() & 255);
 #elif MG_ARCH == MG_ARCH_WIN32
-#elif MG_ARCH_UNIX && MG_ENABLE_STDIO
+#elif MG_ARCH_UNIX
   FILE *fp = fopen("/dev/urandom", "rb");
   if (fp != NULL) {
     if (fread(buf, 1, len, fp) == len) done = true;