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std::localtime

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< cpp‎ | chrono‎ | c

 
 
 
 
C-style utilitaires date et l'heure
Fonctions
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Functions
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La manipulation du temps
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Time manipulation
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difftime
time
clock
Les conversions de format
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Format conversions
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asctime
ctime
strftime
wcsftime
gmtime
localtime
mktime
Constantes
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Constants
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CLOCKS_PER_SEC
Types
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Types
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tm
time_t
clock_t
 
Defined in header <ctime>
std::tm* localtime( const std::time_t *time );
Convertit donné le temps depuis l'époque comme valeur std::time_t dans le temps calendaire, exprimé en heure locale .
Original:
Converts given time since epoch as std::time_t value into calendar time, expressed in local time.
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Sommaire

[modifier] Paramètres

time -
pointeur vers un objet time_t à convertir
Original:
pointer to a time_t object to convert
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[modifier] Retourne la valeur

pointeur vers un objet std::tm statique interne en cas de succès, ou NULL autrement. La structure peut être partagé entre std::gmtime, std::localtime et std::ctime, et peut être écrasée à chaque appel .
Original:
pointer to a static internal std::tm object on success, or NULL otherwise. The structure may be shared between std::gmtime, std::localtime, and std::ctime, and may be overwritten on each invocation.
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[modifier] Notes

Cette fonction peut ne pas être thread-safe .
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This function may not be thread-safe.
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POSIX exige que cette fonction définit errno à EOVERFLOW si elle échoue parce que l'argument est trop grand .
Original:
POSIX requires that this function sets errno to EOVERFLOW if it fails because the argument is too large.
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[modifier] Exemple

#include <iostream>
#include <iomanip>
#include <ctime>
 
int main()
{
    std::time_t t = std::time(nullptr);
    std::cout << "UTC:   " << std::put_time(std::gmtime(&t), "%c %Z") << '\n'
              << "local: " << std::put_time(std::localtime(&t), "%c %Z") << '\n';
}

Résultat :

UTC:   Wed Dec 28 11:47:03 2011 GMT
local: Wed Dec 28 06:47:03 2011 EST

[modifier] Voir aussi

convertit le temps depuis l'époque de temps du calendrier exprimée en temps universel coordonné
Original:
converts time since epoch to calendar time expressed as Universal Coordinated Time
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(fonction) [edit]
C documentation for localtime