From c49964babacb88b71ad3aaa2cee2e5a69d537d60 Mon Sep 17 00:00:00 2001
From: Ben Winston
Date: Tue, 18 Jun 2024 12:06:03 -0400
Subject: bugfix: verify BOOKI_FILE variable is not empty

---
 booki.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'booki.c')

diff --git a/booki.c b/booki.c
index 682f333..1738f9f 100644
--- a/booki.c
+++ b/booki.c
@@ -1050,7 +1050,7 @@ void help(bool err) {
 /*** the main event ***/
 int main(int argc, char* argv[]) {
     char* booki_file = getenv("BOOKI_FILE");
-    if (!booki_file) {
+    if (!booki_file || strlen(booki_file) == 0) {
         printf("expecting BOOKI_FILE variable\n");
         return 1;
     }
-- 
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