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45 lines
759 B
45 lines
759 B
/* |
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* Copyright (c) 2025 Nordic Semiconductor ASA |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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/** |
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* @file |
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* This file provides utility functions for the OpenThread module. |
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* |
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*/ |
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#include <stddef.h> |
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#include <string.h> |
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#include <ctype.h> |
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#include <stdlib.h> |
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#include <errno.h> |
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#include <openthread_utils.h> |
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int bytes_from_str(uint8_t *buf, int buf_len, const char *src) |
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{ |
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if (!buf || !src) { |
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return -EINVAL; |
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} |
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size_t i; |
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size_t src_len = strlen(src); |
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char *endptr; |
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for (i = 0U; i < src_len; i++) { |
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if (!isxdigit((unsigned char)src[i]) && src[i] != ':') { |
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return -EINVAL; |
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} |
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} |
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(void)memset(buf, 0, buf_len); |
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for (i = 0U; i < (size_t)buf_len; i++) { |
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buf[i] = (uint8_t)strtol(src, &endptr, 16); |
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src = ++endptr; |
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} |
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return 0; |
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}
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