modules/idpriv-droptemp-tests (Notice): Fix text.

[gnulib.git] / tests / test-ftello.c

diff --git a/tests/test-ftello.c b/tests/test-ftello.c
index 26c7ab5..c5b1246 100644 (file)
--- a/tests/test-ftello.c
+++ b/tests/test-ftello.c
@@ -1,5 +1,5 @@
 /* Test of ftello() function.
-   Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,6 +23,12 @@
 
 #include "binary-io.h"
 
+/* None of the files accessed by this test are large, so disable the
+   fseek link warning if we are not using the gnulib fseek module.  */
+#if !GNULIB_FSEEK
+# undef fseek
+#endif
+
 #define ASSERT(expr) \
   do                                                                        \
     {                                                                       \
@@ -35,6 +41,10 @@
     }                                                                       \
   while (0)
 
+#ifndef FUNC_UNGETC_BROKEN
+# define FUNC_UNGETC_BROKEN 0
+#endif
+
 int
 main (int argc, char **argv)
 {
@@ -88,22 +98,33 @@ main (int argc, char **argv)
   ASSERT (ftell (stdin) == 3);
   ASSERT (ftello (stdin) == 3);
 
-  /* Test ftell after ungetc without read.  */
-  ASSERT (fseek (stdin, 0, SEEK_CUR) == 0);
-  ASSERT (ftell (stdin) == 3);
-  ASSERT (ftello (stdin) == 3);
-
-  ch = ungetc ('~', stdin);
-  ASSERT (ch == '~');
-  ASSERT (ftell (stdin) == 2);
-  ASSERT (ftello (stdin) == 2);
+  if (2 < argc)
+    {
+      if (FUNC_UNGETC_BROKEN)
+        {
+          fputs ("Skipping test: ungetc cannot handle arbitrary bytes\n",
+                 stderr);
+          return 77;
+        }
+      /* Test ftell after ungetc without read.  */
+      ASSERT (fseek (stdin, 0, SEEK_CUR) == 0);
+      ASSERT (ftell (stdin) == 3);
+      ASSERT (ftello (stdin) == 3);
+
+      ch = ungetc ('~', stdin);
+      ASSERT (ch == '~');
+      ASSERT (ftell (stdin) == 2);
+      ASSERT (ftello (stdin) == 2);
+    }
 
+#if !defined __MINT__ /* FreeMiNT has problems seeking past end of file */
   /* Test ftell beyond end of file.  */
   ASSERT (fseek (stdin, 0, SEEK_END) == 0);
   ch = ftello (stdin);
   ASSERT (fseek (stdin, 10, SEEK_END) == 0);
   ASSERT (ftell (stdin) == ch + 10);
   ASSERT (ftello (stdin) == ch + 10);
+#endif
 
   return 0;
 }