std::strxfrm
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| definiert in Header <cstring>
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| std::size_t strxfrm( const char* dest, const char* src, std::size_t count ); |
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Verwandelt den nullterminierten byte String, auf den
src in die Implementierung definiert Form, so dass den Vergleich zweier verwandelt Strings mit std::strcmp das gleiche Ergebnis wie das Vergleichen der ursprünglichen Strings mit std::strcoll in der aktuellen C locale .Original:
Transforms the null-terminated byte string pointed to by
src into the implementation-defined form such that comparing two transformed strings with std::strcmp gives the same result as comparing the original strings with std::strcoll, in the current C locale.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Die ersten
count Zeichen des transformierten Kette sind Ziel geschrieben, einschließlich des abschließenden Null-Zeichen, und die Länge des vollständigen verwandelt String zurückgegeben, ohne das abschließende Nullzeichen .Original:
The first
count characters of the transformed string are written to destination, including the terminating null character, and the length of the full transformed string is returned, excluding the terminating null character.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Wenn
count ist 0, dann dest darf ein NULL-Zeiger sein .Original:
If
count is 0, then dest is allowed to be a null pointer.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Inhaltsverzeichnis |
[Bearbeiten] Notes
Die richtige Länge des Puffers, der den gesamten transformierten String empfangen kann 1+std::strxfrm(NULL, src, 0)
Original:
The correct length of the buffer that can receive the entire transformed string is 1+std::strxfrm(NULL, src, 0)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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[Bearbeiten] Parameter
| dest | - | Zeiger auf das erste Element des Arrays, wo der transformierten Kette geschrieben werden
Original: pointer to the first element of the array where the transformed string will be written The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| src | - | Zeiger auf das erste Zeichen eines null-terminierte Byte-String zu verwandeln
Original: pointer to the first character of a null-terminated byte string to transform The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| count | - | maximale Anzahl von Zeichen geschrieben werden
Original: maximum number of characters to be written The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[Bearbeiten] Rückgabewert
Die Länge des transformierten Kette, ohne das abschließende Null-Zeichen .
Original:
The length of the transformed string, not including the terminating null-character.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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[Bearbeiten] Beispiel
#include <iostream> #include <iomanip> #include <cstring> int main() { std::setlocale(LC_COLLATE, "cs_CZ.iso88592"); std::string in1 = "hrnec"; std::string out1(1+std::strxfrm(nullptr, in1.c_str(), 0), ' '); std::string in2 = "chrt"; std::string out2(1+std::strxfrm(nullptr, in2.c_str(), 0), ' '); std::strxfrm(&out1[0], in1.c_str(), out1.size()); std::strxfrm(&out2[0], in2.c_str(), out2.size()); std::cout << "In the Czech locale: "; if(out1 < out2) std::cout << in1 << " before " << in2 << '\n'; else std::cout << in2 << " before " << in1 << '\n'; std::cout << "In lexicographical comparison: "; if(in1 < in2) std::cout << in1 << " before " << in2 << '\n'; else std::cout << in2 << " before " << in1 << '\n'; }
Output:
In the Czech locale: hrnec before chrt In lexicographical comparison: chrt before hrnec
[Bearbeiten] Siehe auch
| Transformation ein breites String, so dass wcscmp das gleiche Ergebnis wie wcscoll erzeugen würde Original: transform a wide string so that wcscmp would produce the same result as wcscoll The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
| [virtuell] |
wandelt einen String, so dass collation durch Vergleich ersetzt werden können Original: transforms a string so that collation can be replaced by comparison The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuellen geschützten Member-Funktion of std::collate)
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| vergleicht zwei Strings in Übereinstimmung mit dem aktuellen Gebietsschema Original: compares two strings in accordance to the current locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
| C documentation for strxfrm
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