From 4eed4f3e08fbdaf4dd2d4d4293a82b0df2a9d0e6 Mon Sep 17 00:00:00 2001
From: Fudgerboy <91767657+Fudgerboy@users.noreply.github.com>
Date: Thu, 4 Apr 2024 06:58:52 +0000
Subject: Wed, Apr 3, 2024, 11:58 PM -07:00

---
 wk4/pset/recover/recover.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'wk4')

diff --git a/wk4/pset/recover/recover.c b/wk4/pset/recover/recover.c
index 3982f4f..474c4f8 100644
--- a/wk4/pset/recover/recover.c
+++ b/wk4/pset/recover/recover.c
@@ -3,12 +3,21 @@
 
 int main(int argc, char *argv[])
 {
+    if (argc > 1) {
+        printf("Usage: ./recover infile\n");
+        return 1;
+    }
+
     // Remember filenames
     char *infile = argv[optind];
 
     // Open input file
     FILE *inptr = fopen(infile, "r");
+    if (inptr == NULL)
+    {
+        printf("Could not open %s.\n", infile);
+        return 1;
+    }
 
-    
-    fread("card.raw", sizeof(RGBTRIPLE), width, inptr);
+    fread(infile, sizeof(RGBTRIPLE), width, inptr);
 }
-- 
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