59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include "print_binary.h"
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#include <linux/log2.h>
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#include "sane_ctype.h"
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int binary__fprintf(unsigned char *data, size_t len,
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size_t bytes_per_line, binary__fprintf_t printer,
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void *extra, FILE *fp)
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{
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size_t i, j, mask;
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int printed = 0;
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if (!printer)
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return 0;
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bytes_per_line = roundup_pow_of_two(bytes_per_line);
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mask = bytes_per_line - 1;
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printed += printer(BINARY_PRINT_DATA_BEGIN, 0, extra, fp);
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for (i = 0; i < len; i++) {
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if ((i & mask) == 0) {
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printed += printer(BINARY_PRINT_LINE_BEGIN, -1, extra, fp);
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printed += printer(BINARY_PRINT_ADDR, i, extra, fp);
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}
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printed += printer(BINARY_PRINT_NUM_DATA, data[i], extra, fp);
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if (((i & mask) == mask) || i == len - 1) {
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for (j = 0; j < mask-(i & mask); j++)
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printed += printer(BINARY_PRINT_NUM_PAD, -1, extra, fp);
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printer(BINARY_PRINT_SEP, i, extra, fp);
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for (j = i & ~mask; j <= i; j++)
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printed += printer(BINARY_PRINT_CHAR_DATA, data[j], extra, fp);
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for (j = 0; j < mask-(i & mask); j++)
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printed += printer(BINARY_PRINT_CHAR_PAD, i, extra, fp);
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printed += printer(BINARY_PRINT_LINE_END, -1, extra, fp);
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}
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}
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printed += printer(BINARY_PRINT_DATA_END, -1, extra, fp);
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return printed;
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}
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int is_printable_array(char *p, unsigned int len)
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{
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unsigned int i;
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if (!p || !len || p[len - 1] != 0)
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return 0;
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len--;
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for (i = 0; i < len; i++) {
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if (!isprint(p[i]) && !isspace(p[i]))
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return 0;
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}
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return 1;
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}
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