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/* Copyright (c) 2015, Google Inc.
*
* 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 "test_util.h"
#include <ostream>
#include "../internal.h"
void hexdump(FILE *fp, const char *msg, const void *in, size_t len) {
const uint8_t *data = reinterpret_cast<const uint8_t*>(in);
fputs(msg, fp);
for (size_t i = 0; i < len; i++) {
fprintf(fp, "%02x", data[i]);
}
fputs("\n", fp);
}
std::ostream &operator<<(std::ostream &os, const Bytes &in) {
if (in.span_.empty()) {
return os << "<empty Bytes>";
}
// Print a byte slice as hex.
os << EncodeHex(in.span_);
return os;
}
bool DecodeHex(std::vector<uint8_t> *out, const std::string &in) {
out->clear();
if (in.size() % 2 != 0) {
return false;
}
out->reserve(in.size() / 2);
for (size_t i = 0; i < in.size(); i += 2) {
uint8_t hi, lo;
if (!OPENSSL_fromxdigit(&hi, in[i]) ||
!OPENSSL_fromxdigit(&lo, in[i + 1])) {
return false;
}
out->push_back((hi << 4) | lo);
}
return true;
}
std::string EncodeHex(bssl::Span<const uint8_t> in) {
static const char kHexDigits[] = "0123456789abcdef";
std::string ret;
ret.reserve(in.size() * 2);
for (uint8_t b : in) {
ret += kHexDigits[b >> 4];
ret += kHexDigits[b & 0xf];
}
return ret;
}
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