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/* utils.c --- Self test utilities.
* Copyright (C) 2002-2025 Simon Josefsson
*
* This file is part of GNU Libidn.
*
* 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include "utils.h"
int debug = 0;
int error_count = 0;
int break_on_error = 0;
void
fail (const char *format, ...)
{
va_list arg_ptr;
va_start (arg_ptr, format);
vfprintf (stderr, format, arg_ptr);
va_end (arg_ptr);
error_count++;
if (break_on_error)
exit (EXIT_FAILURE);
}
void
escapeprint (const char *str, size_t len)
{
size_t i;
printf (" (length %ld bytes):\n\t", (long) len);
for (i = 0; i < len; i++)
{
if (((str[i] & 0xFF) >= 'A' && (str[i] & 0xFF) <= 'Z') ||
((str[i] & 0xFF) >= 'a' && (str[i] & 0xFF) <= 'z') ||
((str[i] & 0xFF) >= '0' && (str[i] & 0xFF) <= '9')
|| (str[i] & 0xFF) == ' ' || (str[i] & 0xFF) == '.')
printf ("%c", (str[i] & 0xFF));
else
printf ("\\x%02X", (unsigned) (str[i] & 0xFF));
if ((i + 1) % 16 == 0 && (i + 1) < len)
printf ("'\n\t'");
}
printf ("\n");
}
void
hexprint (const char *str, size_t len)
{
size_t i;
printf ("\t;; ");
for (i = 0; i < len; i++)
{
printf ("%02x ", (unsigned) (str[i] & 0xFF));
if ((i + 1) % 8 == 0)
printf (" ");
if ((i + 1) % 16 == 0 && i + 1 < len)
printf ("\n\t;; ");
}
printf ("\n");
}
void
binprint (const char *str, size_t len)
{
size_t i;
printf ("\t;; ");
for (i = 0; i < len; i++)
{
printf ("%d%d%d%d%d%d%d%d ",
(str[i] & 0xFF) & 0x80 ? 1 : 0,
(str[i] & 0xFF) & 0x40 ? 1 : 0,
(str[i] & 0xFF) & 0x20 ? 1 : 0,
(str[i] & 0xFF) & 0x10 ? 1 : 0,
(str[i] & 0xFF) & 0x08 ? 1 : 0,
(str[i] & 0xFF) & 0x04 ? 1 : 0,
(str[i] & 0xFF) & 0x02 ? 1 : 0, (str[i] & 0xFF) & 0x01 ? 1 : 0);
if ((i + 1) % 3 == 0)
printf (" ");
if ((i + 1) % 6 == 0 && i + 1 < len)
printf ("\n\t;; ");
}
printf ("\n");
}
void
ucs4print (const uint32_t *str, size_t len)
{
size_t i;
printf ("\t;; ");
for (i = 0; (len == (size_t) -1) ? str[i] : i < len; i++)
{
printf ("U+%04x ", str[i]);
if ((i + 1) % 4 == 0)
printf (" ");
if ((i + 1) % 8 == 0 && i + 1 < len)
printf ("\n\t;; ");
}
puts ("");
}
int
main (int argc, char *argv[])
{
do
if (strcmp (argv[argc - 1], "-v") == 0 ||
strcmp (argv[argc - 1], "--verbose") == 0)
debug = 1;
else if (strcmp (argv[argc - 1], "-b") == 0 ||
strcmp (argv[argc - 1], "--break-on-error") == 0)
break_on_error = 1;
else if (strcmp (argv[argc - 1], "-h") == 0 ||
strcmp (argv[argc - 1], "-?") == 0 ||
strcmp (argv[argc - 1], "--help") == 0)
{
printf ("Usage: %s [-vbh?] [--verbose] [--break-on-error] [--help]\n",
argv[0]);
return 1;
}
while (argc-- > 1);
doit ();
if (debug)
printf ("Self tests done with %d errors\n", error_count);
return error_count ? 1 : 0;
}
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