X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-fseek.c;h=6ba3788294a33a9a754b1dd949b6d7afab16f060;hb=9cedf3e1ac7dbdddefb7e172156e9000de7d80c2;hp=c38c485570fd56e7e5d382379ccce479a793827f;hpb=be933433b7ad24c4087c187b0107690d6da174ef;p=gnulib.git

diff --git a/tests/test-fseek.c b/tests/test-fseek.c
index c38c48557..6ba378829 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, 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
@@ -27,11 +27,16 @@
       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)
 {
@@ -46,10 +51,19 @@ 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.  */