25 lines
620 B
C
25 lines
620 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <stdint.h>
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#include <lib.h>
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#include <uuid.h>
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int parse_uuid(uint8_t *const uuid, const char *const uuid_str)
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{
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const uint8_t order[] = { 3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15 };
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uint8_t uuid_binstr[UUID_LEN];
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unsigned int i;
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if (strlen(uuid_str) != UUID_STRLEN)
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return -1;
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if (uuid_str[8] != '-' || uuid_str[13] != '-' ||
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uuid_str[18] != '-' || uuid_str[23] != '-')
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return -1;
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if (hexstrtobin(uuid_str, uuid_binstr, UUID_LEN) != UUID_LEN)
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return -1;
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for (i = 0; i < UUID_LEN; ++i)
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uuid[i] = uuid_binstr[order[i]];
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return 0;
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}
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