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58 lines
1.5 KiB
58 lines
1.5 KiB
// 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 <linux/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 && p[i]; 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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