X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-ftello.c;h=6f3597bf44724b872bf4223e076e42f406129c2f;hb=cd56634a4a8179fd5a4419fbb3e27211b042ab1c;hp=26c7ab55033022f0c983dde8e53fd61302e4a354;hpb=e220635fc952c63b533873f2af39ec76aed4b4e3;p=gnulib.git

diff --git a/tests/test-ftello.c b/tests/test-ftello.c
index 26c7ab550..6f3597bf4 100644
--- 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) 2007-2014 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
@@ -18,25 +18,23 @@
 
 #include <config.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.  */
+#define _GL_NO_LARGE_FILES
 #include <stdio.h>
-#include <stdlib.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (ftello, off_t, (FILE *));
 
 #include "binary-io.h"
+#include "macros.h"
 
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#ifndef FUNC_UNGETC_BROKEN
+# define FUNC_UNGETC_BROKEN 0
+#endif
 
 int
-main (int argc, char **argv)
+main (int argc, char **argv _GL_UNUSED)
 {
   int ch;
   /* Assume stdin is seekable iff argc > 1.  */
@@ -88,22 +86,33 @@ 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;
 }