commit 4d7043e33c8d90402797c71ff96747897d053515
from: Omar Polo <op@omarpolo.com>
date: Thu Feb 11 09:12:40 2021 UTC

add check for program_invocation_short_name

commit - 1606927ea12340e93bef807d16cf71371dd016ea
commit + 4d7043e33c8d90402797c71ff96747897d053515
blob - /dev/null
blob + 0286b9f18630fbda85a6b4633704acaeb4069d9c (mode 644)
--- /dev/null
+++ have/program_invocation_short_name.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <stddef.h>
+
+extern char *program_invocation_short_name;
+
+int
+main(void)
+{
+	return program_invocation_short_name == NULL;
+}