From 719cf31c6ab1710c21ecdf30527307ecff789c06 Mon Sep 17 00:00:00 2001
From: Tadashi Saito <tad.a.digger@gmail.com>
Date: Tue, 16 Jul 2024 04:52:32 +0900
Subject: [PATCH] Refactoring.

---
 main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/main.c b/main.c
index 63e94d1..e54f8ce 100644
--- a/main.c
+++ b/main.c
@@ -19,13 +19,13 @@ static FILE *parse_opt(int argc, char *const *argv)
             exit(2);
         }
     }
-    if (argv[optind]) {
-        const char *f = argv[optind];
+    const char *f = argv[optind];
+    if (f) {
         if (in != NULL)
             error("filename %s given while option '-e' passed", f);
         in = fopen(f, "r");
         if (in == NULL)
-            error("file %s not found", f);
+            error("can't read file %s", f);
     }
     return in ? in : stdin;
 }