__crt_stdio_output::output_adapter_common< Character, Derived > Class Template Reference

#include <corecrt_internal_stdio_output.h>

Public Member Functions
void	write_character (Character const c, int *const count_written, __crt_cached_ptd_host &ptd) const throw ()

Protected Member Functions
void	write_string_impl (Character const *const string, int const length, int *const count_written, __crt_cached_ptd_host &ptd) const throw ()

Detailed Description

template<typename Character, typename Derived>
class __crt_stdio_output::output_adapter_common< Character, Derived >

Definition at line 75 of file corecrt_internal_stdio_output.h.

Member Function Documentation

write_character()

template<typename Character , typename Derived >

void __crt_stdio_output::output_adapter_common< Character, Derived >::write_character ( Character const  c, int *const  count_written, __crt_cached_ptd_host &  ptd  ) const throw ( )

inline

Definition at line 78 of file corecrt_internal_stdio_output.h.

    {
        if (static_cast<Derived const*>(this)->write_character_without_count_update(c, ptd))
        {
            ++*count_written;
        }
        else
        {
            *count_written = -1;
        }
    }

Referenced by __crt_stdio_output::output_adapter_common< Character, Derived >::write_string_impl().

write_string_impl()

template<typename Character , typename Derived >

void __crt_stdio_output::output_adapter_common< Character, Derived >::write_string_impl ( Character const *const  string, int const  length, int *const  count_written, __crt_cached_ptd_host &  ptd  ) const throw ( )

inlineprotected

Definition at line 91 of file corecrt_internal_stdio_output.h.

    {
        auto const reset_errno = ptd.get_errno().create_guard();
 
        Character const* const string_last{string + length};
        for (Character const* it{string}; it != string_last; ++it)
        {
            if (static_cast<Derived const*>(this)->write_character_without_count_update(*it, ptd))
            {
                ++*count_written;
            }
            else
            {
                // Non-standard extension: EILSEQ errors are recoverable.
                // Standard behavior when we've encountered an 'illegal sequence' error
                // (i.e. EILSEQ) is to set 'errno' to EILSEQ and return -1.
                // Instead, we write '?' and continue writing the string.
                if (!ptd.get_errno().check(EILSEQ))
                {
                    // *printf returns the number of characters written
                    // set count written to -1 to indicate an error occurred
                    *count_written = -1;
                    break;
                }
 
                write_character('?', count_written, ptd);
            }
        }
    }

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The documentation for this class was generated from the following file:

• sdk/lib/ucrt/inc/corecrt_internal_stdio_output.h