[fmtflags.state] (original) (raw)

31 Input/output library [input.output]

31.5 Iostreams base classes [iostreams.base]

31.5.2 Class ios_base [ios.base]

31.5.2.3 State functions [fmtflags.state]

Returns: The format control information for both input and output.

fmtflags flags(fmtflags fmtfl);

Postconditions: fmtfl == flags().

Returns: The previous value offlags().

fmtflags setf(fmtflags fmtfl);

Effects: Sets fmtfl inflags().

Returns: The previous value offlags().

fmtflags setf(fmtflags fmtfl, fmtflags mask);

Effects: Clears mask inflags(), setsfmtfl & maskinflags().

Returns: The previous value offlags().

void unsetf(fmtflags mask);

Effects: Clears mask inflags().

streamsize precision() const;

Returns: The precision to generate on certain output conversions.

streamsize precision(streamsize prec);

Postconditions: prec == precision().

Returns: The previous value ofprecision().

streamsize width() const;

Returns: The minimum field width (number of characters) to generate on certain output conversions.

streamsize width(streamsize wide);

Postconditions: wide == width().

Returns: The previous value ofwidth().