Memory dump
(Mylib/Debug/memory_dump.cpp)

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• Last update: 2021-04-23 23:44:44+09:00

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Code

#pragma once
#include <cctype>
#include <cstddef>
#include <cstdio>

void memory_dump(const void* p, size_t size) {
  unsigned char* cur = (unsigned char*) p;

  printf("                 | 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
  printf("__________________________________________________________________\n");

  size_t padding = (size_t) cur % 0x10;
  size += padding;
  cur -= padding;

  char temp[17];

  size_t i = 0;
  for (; i < size; ++i) {
    if (i % 16 == 0) {
      if (i != 0) {
        printf("|%s|\n", temp);
      }
      printf("%16p | ", cur);
      for (size_t j = 0; j < 16; ++j) temp[j] = ' ';
      temp[16] = '\0';
    }

    printf("%02x ", (int) (*cur));

    if (isprint((char) (*cur))) {
      temp[i % 16] = (char) (*cur);
    } else {
      temp[i % 16] = '.';
    }

    ++cur;
  }

  for (size_t k = 0; k < (16 - (i % 16)) % 16; ++k) printf("   ");
  printf("|%s|\n", temp);

  printf("\n");
}

#line 2 "Mylib/Debug/memory_dump.cpp"
#include <cctype>
#include <cstddef>
#include <cstdio>

void memory_dump(const void* p, size_t size) {
  unsigned char* cur = (unsigned char*) p;

  printf("                 | 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
  printf("__________________________________________________________________\n");

  size_t padding = (size_t) cur % 0x10;
  size += padding;
  cur -= padding;

  char temp[17];

  size_t i = 0;
  for (; i < size; ++i) {
    if (i % 16 == 0) {
      if (i != 0) {
        printf("|%s|\n", temp);
      }
      printf("%16p | ", cur);
      for (size_t j = 0; j < 16; ++j) temp[j] = ' ';
      temp[16] = '\0';
    }

    printf("%02x ", (int) (*cur));

    if (isprint((char) (*cur))) {
      temp[i % 16] = (char) (*cur);
    } else {
      temp[i % 16] = '.';
    }

    ++cur;
  }

  for (size_t k = 0; k < (16 - (i % 16)) % 16; ++k) printf("   ");
  printf("|%s|\n", temp);

  printf("\n");
}

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