X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-fseek.c;h=1b47a8f7c29be4aa03c32be1e69a8affc258b41e;hb=b0f648cf3ba46b06c44bf84ec74480a42f8666ba;hp=c38c485570fd56e7e5d382379ccce479a793827f;hpb=be933433b7ad24c4087c187b0107690d6da174ef;p=gnulib.git

diff --git a/tests/test-fseek.c b/tests/test-fseek.c
index c38c48557..1b47a8f7c 100644
--- a/tests/test-fseek.c
+++ b/tests/test-fseek.c
@@ -1,5 +1,5 @@
 /* Test of fseek() function.
-   Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2007-2013 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
@@ -18,19 +18,19 @@
 
 #include <config.h>
 
+/* None of the files accessed by this test are large, so disable the
+   fseek link warning if the user requested GNULIB_POSIXCHECK.  */
+#define _GL_NO_LARGE_FILES
 #include <stdio.h>
-#include <stdlib.h>
-
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+
+#include "signature.h"
+SIGNATURE_CHECK (fseek, int, (FILE *, long, int));
+
+#include "macros.h"
+
+#ifndef FUNC_UNGETC_BROKEN
+# define FUNC_UNGETC_BROKEN 0
+#endif
 
 int
 main (int argc, char **argv)
@@ -46,10 +46,19 @@ main (int argc, char **argv)
       ASSERT (ch == '#');
       ASSERT (ungetc (ch, stdin) == ch);
       ASSERT (fseek (stdin, 2, SEEK_SET) == 0);
-      /* Test that fseek discards random ungetc data.  */
       ch = fgetc (stdin);
       ASSERT (ch == '/');
-      ASSERT (ungetc (ch ^ 0xff, stdin) == (ch ^ 0xff));
+      if (2 < argc)
+        {
+          if (FUNC_UNGETC_BROKEN)
+            {
+              fputs ("Skipping test: ungetc cannot handle arbitrary bytes\n",
+                     stderr);
+              return 77;
+            }
+          /* Test that fseek discards random ungetc data.  */
+          ASSERT (ungetc (ch ^ 0xff, stdin) == (ch ^ 0xff));
+        }
       ASSERT (fseek (stdin, 0, SEEK_END) == 0);
       ASSERT (fgetc (stdin) == EOF);
       /* Test that fseek resets end-of-file marker.  */