X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-fseek.c;h=6ba3788294a33a9a754b1dd949b6d7afab16f060;hb=217fb89cd467efe0ae1668ac1b69d5cc4742e79b;hp=24cf3b882fef357d330e6e5dd98bc69bf3762424;hpb=e220635fc952c63b533873f2af39ec76aed4b4e3;p=gnulib.git

diff --git a/tests/test-fseek.c b/tests/test-fseek.c
index 24cf3b882..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
@@ -33,6 +33,10 @@
     }									     \
   while (0)
 
+#ifndef FUNC_UNGETC_BROKEN
+# define FUNC_UNGETC_BROKEN 0
+#endif
+
 int
 main (int argc, char **argv)
 {
@@ -47,10 +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.  */