# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1680810436 -7200
# Node ID d3c01405b62d524336f4ec7ad89a37ab97ca803a
# Parent  f4bc1512b0907d45bc709e566928d97a38246939
Introduced error handling when the desired lines cannot be located.

diff -r f4bc1512b090 -r d3c01405b62d test_files/programs/clip.c
--- a/test_files/programs/clip.c	Tue Apr 04 23:11:00 2023 +0200
+++ b/test_files/programs/clip.c	Thu Apr 06 21:47:16 2023 +0200
@@ -135,14 +135,22 @@
 
   i = 1;
   while (i < startline)
+  {
     if (!readline(file, &i, &start, &end))
-      break;
+    {
+      printf("EOF error at line %d.\n", i);
+      return 1;
+    }
+  }
 
   while (i < startline + numlines)
   {
     fwrite(start, sizeof(char), end - start, stdout);
     if (!readline(file, &i, &start, &end))
-      break;
+    {
+      printf("EOF error at line %d.\n", i);
+      return 1;
+    }
   }
 
   fputs("\n\n", stdout);