install-reloc: Support multi-binary installation.

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

diff --git a/tests/test-fseeko.c b/tests/test-fseeko.c
index 3a1383b..cadbc65 100644 (file)
--- a/tests/test-fseeko.c
+++ b/tests/test-fseeko.c
@@ -1,5 +1,5 @@
 /* Test of fseeko() 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
@@ -18,23 +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>
 
-#define ASSERT(expr) \
-  do                                                                        \
-    {                                                                       \
-      if (!(expr))                                                          \
-        {                                                                   \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);                                                  \
-          abort ();                                                         \
-        }                                                                   \
-    }                                                                       \
-  while (0)
+#include "signature.h"
+SIGNATURE_CHECK (fseeko, int, (FILE *, off_t, int));
+
+
+#include "macros.h"
+
+#ifndef FUNC_UNGETC_BROKEN
+# define FUNC_UNGETC_BROKEN 0
+#endif
 
 int
-main (int argc, char **argv)
+main (int argc, char **argv _GL_UNUSED)
 {
   /* Assume stdin is non-empty, seekable, and starts with '#!/bin/sh'
      iff argc > 1.  */
@@ -50,10 +50,19 @@ main (int argc, char **argv)
       ASSERT (ch == '#');
       ASSERT (ungetc (ch, stdin) == ch);
       ASSERT (fseeko (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 (fseeko (stdin, 0, SEEK_END) == 0);
       ASSERT (fgetc (stdin) == EOF);
       /* Test that fseek resets end-of-file marker.  */