Remove mg_file_size()

src/util.c

@@ -13,21 +13,14 @@ int mg_stat(const char *path, mg_stat_t *st) {
 #endif
 }
 
-int64_t mg_file_size(const char *path) {
-#if MG_ARCH == MG_ARCH_FREERTOS_TCP && defined(MG_ENABLE_FF)
-  struct FF_STAT st;
-  return ff_stat(path, &st) == 0 ? st.st_size : 0;
-#else
-  mg_stat_t st;
-  return mg_stat(path, &st) == 0 ? st.st_size : 0;
-#endif
-}
-
 char *mg_file_read(const char *path, size_t *sizep) {
   FILE *fp;
   char *data = NULL;
-  size_t size = (size_t) mg_file_size(path);
+  size_t size = 0;
   if ((fp = fopen(path, "rb")) != NULL) {
+    fseek(fp, 0, SEEK_END);
+    size = (size_t) ftell(fp);
+    rewind(fp);
     data = (char *) calloc(1, size + 1);
     if (data != NULL) {
       if (fread(data, 1, size, fp) != size) {

src/util.h

@@ -17,7 +17,6 @@
 #endif
 
 char *mg_file_read(const char *path, size_t *size);
-int64_t mg_file_size(const char *path);
 bool mg_file_write(const char *path, const void *buf, size_t len);
 bool mg_file_printf(const char *path, const char *fmt, ...);
 void mg_random(void *buf, size_t len) WEAK;