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/* utils.c --- Auxilliary help functions.
* Copyright (C) 2002-2022 Simon Josefsson
*
* This file is part of Shishi.
*
* Shishi 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.
*
* Shishi 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 Shishi; if not, see http://www.gnu.org/licenses or write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301, USA
*
*/
#include "internal.h"
/* Get prototypes. */
#include "utils.h"
void
_shishi_escapeprint (const char *str, int len)
{
int i;
printf ("\t ;; `");
for (i = 0; i < len; i++)
if ((str[i] >= 'A' && str[i] <= 'Z') ||
(str[i] >= 'a' && str[i] <= 'z') ||
(str[i] >= '0' && str[i] <= '9') || str[i] == '.')
printf ("%c", str[i] & 0xFF);
else
printf ("\\x%02x", (unsigned) str[i] & 0xFF);
printf ("' (length %d bytes)\n", len);
}
void
_shishi_hexprint (const char *str, int len)
{
int 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 ;; ");
}
puts ("");
}
void
_shishi_binprint (const char *str, int len)
{
int i;
printf ("\t ;; ");
for (i = 0; i < len; i++)
{
printf ("%d%d%d%d%d%d%d%d ",
str[i] & 0x80 ? 1 : 0,
str[i] & 0x40 ? 1 : 0,
str[i] & 0x20 ? 1 : 0,
str[i] & 0x10 ? 1 : 0,
str[i] & 0x08 ? 1 : 0,
str[i] & 0x04 ? 1 : 0,
str[i] & 0x02 ? 1 : 0, str[i] & 0x01 ? 1 : 0);
if ((i + 1) % 3 == 0)
printf (" ");
if ((i + 1) % 6 == 0 && i + 1 < len)
printf ("\n\t ;; ");
}
puts ("");
}
void
_shishi_bin7print (const char *str, int len)
{
int i;
printf ("\t ;; ");
for (i = 0; i < len; i++)
{
printf ("%d%d%d%d%d%d%d ",
str[i] & 0x40 ? 1 : 0,
str[i] & 0x20 ? 1 : 0,
str[i] & 0x10 ? 1 : 0,
str[i] & 0x08 ? 1 : 0,
str[i] & 0x04 ? 1 : 0,
str[i] & 0x02 ? 1 : 0, str[i] & 0x01 ? 1 : 0);
if ((i + 1) % 3 == 0)
printf (" ");
if ((i + 1) % 6 == 0 && i + 1 < len)
printf ("\n\t ;; ");
}
puts ("");
}
time_t
xtime (time_t * t)
{
time_t now;
now = time (t);
if (now == (time_t) - 1)
{
perror ("time");
abort ();
}
return now;
}
time_t
shishi_get_date (const char *p, const time_t * now)
{
struct timespec nowspec = { 0, 0 };
struct timespec thenspec;
if (now)
nowspec.tv_sec = *now;
else
nowspec.tv_sec = time (NULL);
if (!parse_datetime (&thenspec, p, &nowspec))
{
thenspec.tv_sec = (time_t) - 1;
thenspec.tv_nsec = 0;
}
return thenspec.tv_sec;
}
/* If non-NULL, call this function when memory is exhausted. */
void (*shishi_alloc_fail_function) (void) = 0;
void
shishi_xalloc_die (void)
{
if (shishi_alloc_fail_function)
(*shishi_alloc_fail_function) ();
fflush (stdout);
fprintf (stderr, _("%s: Memory allocation failed\n"), PACKAGE);
abort ();
}
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