71f0ed8b74
This eliminates some overhead, because the compiler doesn't need to consider these functions throwing.
127 lines
2.4 KiB
C++
127 lines
2.4 KiB
C++
/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "StringUtil.hxx"
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#include "CharUtil.hxx"
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#include "ASCII.hxx"
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#include <algorithm>
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#include <assert.h>
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#include <string.h>
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char *
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CopyString(char *gcc_restrict dest, const char *gcc_restrict src,
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size_t size) noexcept
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{
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size_t length = strlen(src);
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if (length >= size)
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length = size - 1;
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char *p = std::copy_n(src, length, dest);
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*p = '\0';
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return p;
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}
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const char *
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StripLeft(const char *p) noexcept
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{
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while (IsWhitespaceNotNull(*p))
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++p;
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return p;
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}
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const char *
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StripLeft(const char *p, const char *end) noexcept
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{
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while (p < end && IsWhitespaceOrNull(*p))
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++p;
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return p;
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}
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const char *
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StripRight(const char *p, const char *end) noexcept
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{
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while (end > p && IsWhitespaceOrNull(end[-1]))
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--end;
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return end;
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}
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size_t
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StripRight(const char *p, size_t length) noexcept
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{
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while (length > 0 && IsWhitespaceOrNull(p[length - 1]))
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--length;
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return length;
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}
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void
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StripRight(char *p) noexcept
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{
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size_t old_length = strlen(p);
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size_t new_length = StripRight(p, old_length);
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p[new_length] = 0;
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}
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char *
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Strip(char *p) noexcept
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{
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p = StripLeft(p);
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StripRight(p);
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return p;
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}
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bool
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StringArrayContainsCase(const char *const*haystack,
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const char *needle) noexcept
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{
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assert(haystack != nullptr);
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assert(needle != nullptr);
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for (; *haystack != nullptr; ++haystack)
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if (StringEqualsCaseASCII(*haystack, needle))
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return true;
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return false;
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}
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void
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ToUpperASCII(char *dest, const char *src, size_t size) noexcept
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{
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assert(dest != nullptr);
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assert(src != nullptr);
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assert(size > 1);
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char *const end = dest + size - 1;
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do {
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char ch = *src++;
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if (ch == 0)
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break;
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*dest++ = ToUpperASCII(ch);
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} while (dest < end);
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*dest = 0;
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}
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