pkgsrc/security/netpgpverify/files/misc.c
agc 751677a63d Update netpgpverify, and libnetpgpverify, from version 20150911 to
version 20150919

Changes:

+ get rid of unnecessary header inclusion (sys/syslog.h), which gives
problems on HP/UX and is unused

from Tobias Nygren
2015-09-25 15:46:58 +00:00

111 lines
3.1 KiB
C

/*-
* Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/param.h>
#ifdef _KERNEL
# include <sys/kmem.h>
#else
# include <ctype.h>
# include <inttypes.h>
# include <stdarg.h>
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <time.h>
# include <unistd.h>
#endif
#include "misc.h"
#ifndef USE_ARG
#define USE_ARG(x) /*LINTED*/(void)&(x)
#endif
void *
netpgp_allocate(size_t n, size_t nels)
{
#ifdef _KERNEL
return kmem_zalloc(n * nels, KM_SLEEP);
#else
return calloc(n, nels);
#endif
}
void
netpgp_deallocate(void *ptr, size_t size)
{
#ifdef _KERNEL
kmem_free(ptr, size);
#else
USE_ARG(size);
free(ptr);
#endif
}
#define HEXDUMP_LINELEN 16
#ifndef PRIsize
#define PRIsize "z"
#endif
/* show hexadecimal/ascii dump */
ssize_t
netpgp_hexdump(const void *vin, const size_t len, void *outvp, size_t size)
{
const char *in = (const char *)vin;
size_t i;
char line[HEXDUMP_LINELEN + 1];
char *out = (char *)outvp;
int o;
for (i = 0, o = 0 ; i < len ; i++) {
if (i % HEXDUMP_LINELEN == 0) {
o += snprintf(&out[o], size - o,
"%.5" PRIsize "u | ", i);
} else if (i % (HEXDUMP_LINELEN / 2) == 0) {
o += snprintf(&out[o], size - o, " ");
}
o += snprintf(&out[o], size - o, "%.02x ", (uint8_t)in[i]);
line[i % HEXDUMP_LINELEN] =
(isprint((uint8_t)in[i])) ? in[i] : '.';
if (i % HEXDUMP_LINELEN == HEXDUMP_LINELEN - 1) {
line[HEXDUMP_LINELEN] = 0x0;
o += snprintf(&out[o], size - o, " | %s\n", line);
}
}
if (i % HEXDUMP_LINELEN != 0) {
for ( ; i % HEXDUMP_LINELEN != 0 ; i++) {
o += snprintf(&out[o], size - o, " ");
if (i % (HEXDUMP_LINELEN / 2) == 0) {
o += snprintf(&out[o], size - o, " ");
}
line[i % HEXDUMP_LINELEN] = ' ';
}
line[HEXDUMP_LINELEN] = 0x0;
o += snprintf(&out[o], size - o, " | %s\n", line);
}
return (ssize_t)o;
}