Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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86 lines
2.2 KiB
86 lines
2.2 KiB
5 years ago
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/* Copyright (c) 2015, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include "test_util.h"
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#include <ostream>
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#include "../internal.h"
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void hexdump(FILE *fp, const char *msg, const void *in, size_t len) {
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const uint8_t *data = reinterpret_cast<const uint8_t*>(in);
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fputs(msg, fp);
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for (size_t i = 0; i < len; i++) {
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fprintf(fp, "%02x", data[i]);
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}
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fputs("\n", fp);
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}
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std::ostream &operator<<(std::ostream &os, const Bytes &in) {
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if (in.span_.empty()) {
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return os << "<empty Bytes>";
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}
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// Print a byte slice as hex.
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os << EncodeHex(in.span_);
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return os;
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}
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static bool FromHexDigit(uint8_t *out, char c) {
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if ('0' <= c && c <= '9') {
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*out = c - '0';
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return true;
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}
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if ('a' <= c && c <= 'f') {
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*out = c - 'a' + 10;
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return true;
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}
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if ('A' <= c && c <= 'F') {
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*out = c - 'A' + 10;
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return true;
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}
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return false;
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}
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bool DecodeHex(std::vector<uint8_t> *out, const std::string &in) {
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out->clear();
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if (in.size() % 2 != 0) {
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return false;
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}
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out->reserve(in.size() / 2);
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for (size_t i = 0; i < in.size(); i += 2) {
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uint8_t hi, lo;
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if (!FromHexDigit(&hi, in[i]) ||
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!FromHexDigit(&lo, in[i + 1])) {
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return false;
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}
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out->push_back((hi << 4) | lo);
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}
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return true;
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}
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std::string EncodeHex(bssl::Span<const uint8_t> in) {
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static const char kHexDigits[] = "0123456789abcdef";
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std::string ret;
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ret.reserve(in.size() * 2);
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for (uint8_t b : in) {
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ret += kHexDigits[b >> 4];
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ret += kHexDigits[b & 0xf];
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}
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return ret;
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}
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