/* Test of xvasprintf() and xasprintf() functions.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2011 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
#include "xvasprintf.h"
#include <stdarg.h>
-#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "progname.h"
-
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- abort (); \
- } \
- } \
- while (0)
+#include "macros.h"
static char *
my_xasprintf (const char *format, ...)
}
static void
-test_xvasprintf ()
+test_xvasprintf (void)
{
int repeat;
+ char *result;
for (repeat = 0; repeat <= 8; repeat++)
{
- char *result = my_xasprintf ("%d", 12345);
+ result = my_xasprintf ("%d", 12345);
ASSERT (result != NULL);
ASSERT (strcmp (result, "12345") == 0);
free (result);
}
+
+ {
+ /* Silence gcc warning about zero-length format string. */
+ const char *empty = "";
+ result = my_xasprintf (empty);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "") == 0);
+ free (result);
+ }
+
+ result = my_xasprintf ("%s", "foo");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foo") == 0);
+ free (result);
+
+ result = my_xasprintf ("%s%s", "foo", "bar");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foobar") == 0);
+ free (result);
+
+ result = my_xasprintf ("%s%sbaz", "foo", "bar");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foobarbaz") == 0);
+ free (result);
}
static void
-test_xasprintf ()
+test_xasprintf (void)
{
int repeat;
+ char *result;
for (repeat = 0; repeat <= 8; repeat++)
{
- char *result = xasprintf ("%d", 12345);
+ result = xasprintf ("%d", 12345);
ASSERT (result != NULL);
ASSERT (strcmp (result, "12345") == 0);
free (result);
}
+
+ {
+ /* Silence gcc warning about zero-length format string. */
+ const char *empty = "";
+ result = xasprintf (empty);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "") == 0);
+ free (result);
+ }
+
+ result = xasprintf ("%s", "foo");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foo") == 0);
+ free (result);
+
+ result = xasprintf ("%s%s", "foo", "bar");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foobar") == 0);
+ free (result);
+
+ result = my_xasprintf ("%s%sbaz", "foo", "bar");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "foobarbaz") == 0);
+ free (result);
}
int
-main (int argc, char *argv[])
+main (int argc _GL_UNUSED, char *argv[])
{
set_program_name (argv[0]);