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string: Add strncoll

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2023-07-12 13:57:13 +02:00
parent 1dda8cde86
commit 27d10344d9
1 changed files with 24 additions and 2 deletions
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26
include/stdex/string.hpp
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@ -275,7 +275,7 @@ namespace stdex
/// \param[in] str2 String 2 /// \param[in] str2 String 2
/// \param[in] count2 String 2 code unit count limit /// \param[in] count2 String 2 code unit count limit
/// ///
/// \return -1 if str1<str2; +1 if str1>str2; 0 if str1==str2 /// \return Negative if str1<str2; positive if str1>str2; zero if str1==str2
/// ///
template <class T1, class T2> template <class T1, class T2>
inline int strncmp( inline int strncmp(
@ -294,6 +294,28 @@ namespace stdex
return 0; return 0;
} }
///
/// Lexigraphically compare two strings
///
/// \param[in] str1 String 1
/// \param[in] count1 String 1 code unit count limit
/// \param[in] str2 String 2
/// \param[in] count2 String 2 code unit count limit
///
/// \return Negative if str1<str2; positive if str1>str2; zero if str1==str2
///
template <class T>
inline int strncoll(
_In_reads_or_z_opt_(count1) const T* str1, _In_ size_t count1,
_In_reads_or_z_opt_(count2) const T* str2, _In_ size_t count2,
_In_ const std::locale& locale)
{
assert(str1 || !count1);
assert(str2 || !count2);
auto& collate = std::use_facet<std::collate<T>>(locale);
return collate.compare(str1, str1 + count1, str2, str2 + count2);
}
/// ///
/// Binary compare two strings case-insensitive /// Binary compare two strings case-insensitive
/// ///
@ -302,7 +324,7 @@ namespace stdex
/// \param[in] str2 String 2 /// \param[in] str2 String 2
/// \param[in] count2 String 2 code unit count limit /// \param[in] count2 String 2 code unit count limit
/// ///
/// \return -1 if str1<str2; +1 if str1>str2; 0 if str1==str2 /// \return Negative if str1<str2; positive if str1>str2; zero if str1==str2
/// ///
template <class T1, class T2> template <class T1, class T2>
inline int strnicmp( inline int strnicmp(