(main): Exit with EXIT_FAILURE if BROWSE file doesn't exist, is not seekable,...

(main): Exit with EXIT_FAILURE if BROWSE file doesn't exist, is not seekable, not is failed in ftall.

lib-src/ChangeLog

+2006-06-04  Masatake YAMATO  <jet@gyve.org>
+
+	* ebrowse.c (main): Exit with EXIT_FAILURE if BROWSE file 
+	doesn't exist, is not seekable, not is failed in ftall.
+
 2006-06-03  Eli Zaretskii  <eliz@gnu.org>
 
 	* makefile.w32-in (ALL): Add sorted-doc and digest-doc.

lib-src/ebrowse.c

@@ -3909,17 +3909,31 @@ main (argc, argv)
 
 	  fp = fopen (out_filename, "r");
 	  if (fp == NULL)
-	    yyerror ("file `%s' must exist for --append", out_filename);
+	    {
+	      yyerror ("file `%s' must exist for --append", out_filename);
+	      exit (EXIT_FAILURE);
+	    }
 
 	  rc = fseek (fp, 0, SEEK_END);
 	  if (rc == -1)
-	    yyerror ("error seeking in file `%s'", out_filename);
+	    {
+	      yyerror ("error seeking in file `%s'", out_filename);
+	      exit (EXIT_FAILURE);
+	    }
 
 	  rc = ftell (fp);
 	  if (rc == -1)
-	    yyerror ("error getting size of file `%s'", out_filename);
+	    {
+	      yyerror ("error getting size of file `%s'", out_filename);
+	      exit (EXIT_FAILURE);
+	    }
+	  
 	  else if (rc == 0)
-	    yyerror ("file `%s' is empty", out_filename);
+	    {
+	      yyerror ("file `%s' is empty", out_filename);
+	      /* It may be ok to use an empty file for appending.
+		 exit (EXIT_FAILURE); */
+	    }
 
 	  fclose (fp);
 	}