Cleanup

include/io/file.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "pch.h"
+
+inline int read_file(const char *path, char **text, uint32_t *len) {
+  FILE *f = fopen(path, "rb");
+  if (!f)
+    return 0;
+
+  fseek(f, 0, SEEK_END);
+  long size = ftell(f);
+  fseek(f, 0, SEEK_SET);
+
+  if (size < 0 || size > UINT32_MAX) {
+    fclose(f);
+    return 0;
+  }
+
+  *len = (uint32_t)size;
+
+  *text = (char *)malloc(*len + 1);
+  if (!*text) {
+    fclose(f);
+    return 0;
+  }
+
+  size_t read = fread(*text, 1, *len, f);
+  fclose(f);
+
+  if (read != *len) {
+    free(*text);
+    *text = NULL;
+    *len = 0;
+    return 0;
+  }
+
+  (*text)[*len] = '\0'; // handy if treating it as a C string
+
+  return 1;
+}