2012-04-01 13:15:09 +00:00
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#ifndef SPROUT_CSTRING_STRSTR_HPP
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#define SPROUT_CSTRING_STRSTR_HPP
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#include <sprout/config.hpp>
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namespace sprout {
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// Copyright (C) 2011 RiSK (sscrisk)
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// 7.21.5.7 strstr <20><EFBFBD>
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2012-10-05 15:58:56 +00:00
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inline SPROUT_CONSTEXPR char const*
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strstr(char const* s1, char const* s2) {
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2012-04-01 13:15:09 +00:00
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return !*s2 ? s1
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: !*s1 ? nullptr
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: *s1 == *s2 && sprout::strstr(s1 + 1, s2 + 1) ? s1
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: sprout::strstr(s1 + 1, s2)
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;
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}
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2012-10-05 15:58:56 +00:00
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inline SPROUT_CONSTEXPR char*
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strstr(char* s1, char const* s2) {
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2012-04-01 13:15:09 +00:00
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return const_cast<char*>(sprout::strstr(const_cast<char const*>(s1), s2));
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_CSTRING_STRSTR_HPP
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