| /* |
| * |
| * Copyright 2013 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <libpayload.h> |
| |
| void hexdump(const void *memory, size_t length) |
| { |
| int i; |
| uint8_t *m; |
| int all_zero = 0; |
| |
| m = (uint8_t *) memory; |
| |
| for (i = 0; i < length; i += 16) { |
| int j; |
| |
| all_zero++; |
| for (j = 0; j < 16; j++) { |
| if (m[i + j] != 0) { |
| all_zero = 0; |
| break; |
| } |
| } |
| |
| if (all_zero < 2) { |
| printf("%8p:", memory + i); |
| for (j = 0; j < 16; j++) |
| printf(" %02x", m[i + j]); |
| printf(" "); |
| for (j = 0; j < 16; j++) |
| printf("%c", |
| isprint(m[i + j]) ? m[i + j] : '.'); |
| printf("\n"); |
| } else if (all_zero == 2) { |
| printf("...\n"); |
| } |
| } |
| } |