From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- lib/libc/memrchr.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 lib/libc/memrchr.c (limited to 'lib/libc/memrchr.c') diff --git a/lib/libc/memrchr.c b/lib/libc/memrchr.c new file mode 100644 index 0000000..01caef3 --- /dev/null +++ b/lib/libc/memrchr.c @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2019, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +#undef memrchr + +void *memrchr(const void *src, int c, size_t len) +{ + const unsigned char *s = src + (len - 1); + + while (len--) { + if (*s == (unsigned char)c) { + return (void*) s; + } + + s--; + } + + return NULL; +} -- cgit v1.2.3