1 /* Copyright (c) 2015, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15 #include "test_util.h"
16
17 #include <ostream>
18
19 #include "../internal.h"
20
21
hexdump(FILE * fp,const char * msg,const void * in,size_t len)22 void hexdump(FILE *fp, const char *msg, const void *in, size_t len) {
23 const uint8_t *data = reinterpret_cast<const uint8_t*>(in);
24
25 fputs(msg, fp);
26 for (size_t i = 0; i < len; i++) {
27 fprintf(fp, "%02x", data[i]);
28 }
29 fputs("\n", fp);
30 }
31
operator <<(std::ostream & os,const Bytes & in)32 std::ostream &operator<<(std::ostream &os, const Bytes &in) {
33 if (in.span_.empty()) {
34 return os << "<empty Bytes>";
35 }
36
37 // Print a byte slice as hex.
38 static const char hex[] = "0123456789abcdef";
39 for (uint8_t b : in.span_) {
40 os << hex[b >> 4];
41 os << hex[b & 0xf];
42 }
43 return os;
44 }
45