tetl 0.1.0
Embedded Template Library
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memchr.hpp
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1// SPDX-License-Identifier: BSL-1.0
2
3#ifndef TETL_CSTRING_MEMCHR_HPP
4#define TETL_CSTRING_MEMCHR_HPP
5
6#include <etl/_cstddef/size_t.hpp>
7#include <etl/_strings/cstr.hpp>
8
9namespace etl {
10
13
28[[nodiscard]] inline auto memchr(void* ptr, int ch, etl::size_t n) -> void*
29{
30#if defined(__clang__)
31 return __builtin_memchr(ptr, ch, n);
32#else
33 auto* p = static_cast<unsigned char*>(ptr);
34 return etl::detail::memchr(p, static_cast<unsigned char>(ch), n);
35#endif
36}
37
38[[nodiscard]] inline auto memchr(void const* ptr, int ch, etl::size_t n) -> void const*
39{
40#if defined(__clang__)
41 return __builtin_memchr(ptr, ch, n);
42#else
43 auto const* const p = static_cast<unsigned char const*>(ptr);
44 auto const c = static_cast<unsigned char>(ch);
45 return etl::detail::memchr<unsigned char const, etl::size_t>(p, c, n);
46#endif
47}
48
50
51} // namespace etl
52
53#endif // TETL_CSTRING_MEMCHR_HPP
etl::memchr
auto memchr(void *ptr, int ch, etl::size_t n) -> void *
Converts ch to unsigned char and locates the first occurrence of that value in the initial count char...
Definition memchr.hpp:28
etl
Definition adjacent_find.hpp:8
etl::size_t
TETL_BUILTIN_SIZET size_t
etl::size_t is the unsigned integer type of the result of the sizeof operator.
Definition size_t.hpp:14
size_t.hpp