1 files changed, 20 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..4b3bed7
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,20 @@
+#ifndef _UTIL_H_
+#define _UTIL_H_
+
+#include <stdlib.h>
+#include <stdio.h>
+
+const char* check_get_env(char* env);
+
+#ifdef _UTIL_DEF_
+const char* check_get_env(char* env) {
+	char *env_val = getenv(env);
+	if (!env_val) {
+		fprintf(stderr, "%s not set", env);
+		exit(1);
+	}
+	return env_val;
+}
+#endif
+
+#endif