commit b28d6435f8ec7c8813daf30356f8ea19ab3521bc
from: Thomas <bthw@posteo.net>
date: Thu Mar 28 12:30:49 2019 UTC

added checking if id3v1 tag is present

commit - f0994c7ce63471193de2e88fef604c2f4b18c364
commit + b28d6435f8ec7c8813daf30356f8ea19ab3521bc
blob - 07485664b09e959b3c673eea681be0a78c665c99
blob + 6b1c953dde793c3a774459be1c3711593d429be1
--- id3r.c
+++ id3r.c
@@ -14,8 +14,12 @@ main(int argc, char *argv[])
     }
 
     f = fopen(argv[1], "rb");
-    printid3v1(f);
 
+    if(checkid3v1(f)) {
+        puts("ID3v1 tag found!");
+        printid3v1(f);
+    }
+
     return EXIT_SUCCESS;
 }