forked from openkylin/platform_build
38 lines
971 B
C
38 lines
971 B
C
#include <debug.h>
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#include <stdio.h>
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#include <ctype.h>
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#define NUM_COLS (32)
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int dump_hex_buffer(FILE *s, void *b, size_t len, size_t elsize) {
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int num_nonprintable = 0;
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int i, last;
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char *pchr = (char *)b;
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fputc('\n', s);
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for (i = last = 0; i < len; i++) {
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if (!elsize) {
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if (i && !(i % 4)) fprintf(s, " ");
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if (i && !(i % 8)) fprintf(s, " ");
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} else {
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if (i && !(i % elsize)) fprintf(s, " ");
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}
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if (i && !(i % NUM_COLS)) {
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while (last < i) {
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if (isprint(pchr[last]))
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fputc(pchr[last], s);
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else {
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fputc('.', s);
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num_nonprintable++;
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}
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last++;
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}
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fprintf(s, " (%d)\n", i);
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}
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fprintf(s, "%02x", (unsigned char)pchr[i]);
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}
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if (i && (i % NUM_COLS)) fputs("\n", s);
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return num_nonprintable;
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}
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