/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8                               :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or 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.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/mem.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"

void testlib_formatbinaryashex(const char *want, const void *got, size_t n,
                               char **out_v1, char **out_v2) {
  size_t i;
  uint8_t b;
  char *gothex;
  if (n == -1ul)
    n = strlen(want) / 2;
  gothex = xmalloc(n * 2 + 1);
  gothex[n * 2] = '\0';
  for (i = 0; i < n; ++i) {
    b = ((uint8_t *)got)[i];
    gothex[i * 2 + 0] = "0123456789abcdef"[(b >> 4) & 0xf];
    gothex[i * 2 + 1] = "0123456789abcdef"[(b >> 0) & 0xf];
  }
  *out_v1 = strdup(want);
  *out_v2 = gothex;
}