29 lines
435 B
C
29 lines
435 B
C
/*
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* Copyright (c) 2018 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <ctype.h>
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int
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strncasecmp(const char *s1, const char *s2, size_t n)
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{
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unsigned char c = 1U;
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for (; c && n != 0; n--) {
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unsigned char lower1, lower2;
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c = *s1++;
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lower1 = tolower(c);
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lower2 = tolower(*s2++);
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if (lower1 != lower2) {
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return (lower1 > lower2) - (lower1 < lower2);
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}
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}
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return 0;
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}
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