checking sizeof (void) at the runtime

136dbd00 · antma · 365ebd3e · 136dbd00
Commit 136dbd00 authored Jan 10, 2014 by antma
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main.c main.c +5 -0

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--- a/main.c
+++ b/main.c
@@ -181,6 +181,11 @@ char *make_full_path (char *s) {
 }
 void running_for_first_time (void) {
+  if (sizeof (void) != 1) {
+    logprintf ("sizeof (void) isn't equal 1\n");
+    logprintf ("GNU C compiler extension isn't available?\n");
+    exit (1);
+  }
  if (config_filename) {
    return; // Do not create custom config file
  }