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ebff107268
This function scans a string backwards from the end for the first instance of a character. Change-Id: I46b21573ed25a0ff222eac340e1e1fb93b040763 Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>
24 lines
344 B
C
24 lines
344 B
C
/*
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* Copyright (c) 2019, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <string.h>
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#undef memrchr
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void *memrchr(const void *src, int c, size_t len)
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{
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const unsigned char *s = src + (len - 1);
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while (len--) {
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if (*s == (unsigned char)c) {
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return (void*) s;
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}
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s--;
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}
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return NULL;
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}
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