ab9f5d2067
The former was deprecated with C++14. According to the C++11 and C++17 standards, both files are identical. Signed-off-by: Rosen Penev <rosenp@gmail.com>
91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/*
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* Copyright (C) 2013-2018 Max Kellermann <max.kellermann@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ASCII_HXX
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#define ASCII_HXX
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#include "StringView.hxx"
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#include "Compiler.h"
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#include <cassert>
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#include <strings.h>
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/**
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* Determine whether two strings are equal, ignoring case for ASCII
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* letters.
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*/
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gcc_pure gcc_nonnull_all
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static inline bool
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StringEqualsCaseASCII(const char *a, const char *b) noexcept
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{
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#if !CLANG_CHECK_VERSION(3,6)
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/* disabled on clang due to -Wtautological-pointer-compare */
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assert(a != nullptr);
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assert(b != nullptr);
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#endif
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/* note: strcasecmp() depends on the locale, but for ASCII-only
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strings, it's safe to use */
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return strcasecmp(a, b) == 0;
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}
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gcc_pure gcc_nonnull_all
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static inline bool
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StringEqualsCaseASCII(const char *a, const char *b, size_t n) noexcept
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{
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#if !CLANG_CHECK_VERSION(3,6)
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/* disabled on clang due to -Wtautological-pointer-compare */
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assert(a != nullptr);
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assert(b != nullptr);
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#endif
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/* note: strcasecmp() depends on the locale, but for ASCII-only
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strings, it's safe to use */
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return strncasecmp(a, b, n) == 0;
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}
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gcc_pure gcc_nonnull_all
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static inline bool
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StringStartsWithCaseASCII(const char *haystack, StringView needle) noexcept
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{
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return StringEqualsCaseASCII(haystack, needle.data, needle.size);
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}
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gcc_pure gcc_nonnull_all
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static inline const char *
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StringAfterPrefixCaseASCII(const char *haystack, StringView needle) noexcept
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{
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return StringStartsWithCaseASCII(haystack, needle)
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? haystack + needle.size
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: nullptr;
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}
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#endif
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