mirror of https://gitee.com/openkylin/linux.git
33 lines
712 B
C
33 lines
712 B
C
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/*
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* linux/arch/xtensa/lib/strcasecmp.c
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file "COPYING" in the main directory of
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* this archive for more details.
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*
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* Copyright (C) 2002 Tensilica Inc.
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*/
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#include <linux/string.h>
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/* We handle nothing here except the C locale. Since this is used in
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only one place, on strings known to contain only 7 bit ASCII, this
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is ok. */
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int strcasecmp(const char *a, const char *b)
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{
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int ca, cb;
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do {
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ca = *a++ & 0xff;
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cb = *b++ & 0xff;
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if (ca >= 'A' && ca <= 'Z')
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ca += 'a' - 'A';
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if (cb >= 'A' && cb <= 'Z')
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cb += 'a' - 'A';
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} while (ca == cb && ca != '\0');
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return ca - cb;
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}
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