35 lines
869 B
C
35 lines
869 B
C
#include <ctype.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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void hexdump(const void *data, size_t size) {
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const unsigned char *p = (const unsigned char *)data;
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size_t i, j;
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for (i = 0; i < size; i += 16) {
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// Print offset
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printf("%08zx ", i);
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// Print hex bytes
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for (j = 0; j < 16; j++) {
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if (i + j < size) {
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printf("%02X ", p[i + j]);
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} else {
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printf(" "); // padding for incomplete lines
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}
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if (j == 7)
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printf(" "); // extra space in middle
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}
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printf(" |");
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// Print ASCII characters
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for (j = 0; j < 16 && i + j < size; j++) {
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unsigned char c = p[i + j];
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printf("%c", isprint(c) ? c : '.');
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}
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printf("|\n");
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}
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}
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