/* Test of POSIX compatible vasprintf() and asprintf() functions.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2009 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
/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
So we use minus_zerol instead.
+ IRIX cc can't put -0.0L into .data, but can compute at runtime.
Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
#if defined __hpux || defined __sgi
-long double minus_zerol = -LDBL_MIN * LDBL_MIN;
+static long double
+compute_minus_zerol (void)
+{
+ return -LDBL_MIN * LDBL_MIN;
+}
+# define minus_zerol compute_minus_zerol ()
#else
long double minus_zerol = -0.0L;
#endif
ASSERT (retval == strlen (result));
free (result);
}
+
+ /* Test the support of the %s format directive. */
+
+ /* To verify that these tests succeed, it is necessary to run them under
+ a tool that checks against invalid memory accesses, such as ElectricFence
+ or "valgrind --tool=memcheck". */
+ {
+ size_t i;
+
+ for (i = 1; i <= 8; i++)
+ {
+ char *block;
+ char *result;
+ int retval;
+
+ block = (char *) malloc (i);
+ memcpy (block, "abcdefgh", i);
+ retval = my_asprintf (&result, "%.*s", (int) i, block);
+ ASSERT (result != NULL);
+ ASSERT (memcmp (result, block, i) == 0);
+ ASSERT (result[i] == '\0');
+ ASSERT (retval == strlen (result));
+ free (result);
+ free (block);
+ }
+ }
+#if HAVE_WCHAR_T
+ {
+ size_t i;
+
+ for (i = 1; i <= 8; i++)
+ {
+ wchar_t *block;
+ size_t j;
+ char *result;
+ int retval;
+
+ block = (wchar_t *) malloc (i * sizeof (wchar_t));
+ for (j = 0; j < i; j++)
+ block[j] = "abcdefgh"[j];
+ retval = my_asprintf (&result, "%.*ls", (int) i, block);
+ ASSERT (result != NULL);
+ ASSERT (memcmp (result, "abcdefgh", i) == 0);
+ ASSERT (result[i] == '\0');
+ ASSERT (retval == strlen (result));
+ free (result);
+ free (block);
+ }
+ }
+#endif
}
static int