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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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libc/testlib/formatbinaryashex.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ 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; version 2 of the License. │
│ │
│ 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, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/mem.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
testonly 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;
}