Function Strftime

util/datetime/base.cpp:11–21

#include <util/generic/yexception.h>

TString Strftime(const char* format, const struct tm* tm) {
    size_t size = Max<size_t>(strlen(format) * 2 + 1, 107);
    for (;;) {
        TTempBuf buf(size);
        int r = strftime(buf.Data(), buf.Size(), format, tm);
        if (r != 0) {
            return TString(buf.Data(), r);
        }
        size *= 2;
    }
}

template <>
TDuration FromStringImpl<TDuration, char>(const char* s, size_t len) {