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/*
* Copyright (c) 2019 David Lamparter, for NetDEF, Inc.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "printfrr.h"
printfrr_ext_autoreg_p("HX", printfrr_hexdump)
static ssize_t printfrr_hexdump(struct fbuf *buf, struct printfrr_eargs *ea,
const void *ptr)
{
ssize_t ret = 0;
ssize_t input_len = printfrr_ext_len(ea);
char sep = ' ';
const uint8_t *pos, *end;
if (ea->fmt[0] == 'c') {
ea->fmt++;
sep = ':';
} else if (ea->fmt[0] == 'n') {
ea->fmt++;
sep = '\0';
}
if (input_len < 0)
return 0;
for (pos = ptr, end = pos + input_len; pos < end; pos++) {
if (sep && pos != ptr)
ret += bputch(buf, sep);
ret += bputhex(buf, *pos);
}
return ret;
}
/* string analog for hexdumps / the "this." in ("74 68 69 73 0a |this.|") */
printfrr_ext_autoreg_p("HS", printfrr_hexdstr)
static ssize_t printfrr_hexdstr(struct fbuf *buf, struct printfrr_eargs *ea,
const void *ptr)
{
ssize_t ret = 0;
ssize_t input_len = printfrr_ext_len(ea);
const uint8_t *pos, *end;
if (input_len < 0)
return 0;
for (pos = ptr, end = pos + input_len; pos < end; pos++) {
if (*pos >= 0x20 && *pos < 0x7f)
ret += bputch(buf, *pos);
else
ret += bputch(buf, '.');
}
return ret;
}
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