![]() Result of a conversion is wider than the field width, the field isĮxpanded to contain the conversion result.Īn optional precision, in the form of a period ( '.') followed by an optional decimal digit string. In no case doesĪ non-existent or small field width cause truncation of a field if the Taken as a '-' flag followed by a positive field width. If the left-adjustment flag has been given). The field width, it will be padded with spaces on the left (or right, If the converted value has fewer characters than A + overrides a space if both are used.Īn optional decimal digit string (with nonzero first digit) specifying a By default a sign is used only for negative numbers. + A sign ( + or -) always be placed before a number produced by a signed conversion.' ' (a space) A blank should be left before a positive number (or empty string) produced by a signed conversion.(The default is right justification.) Except for n conversions, the converted value is padded on the right with blanks, rather than on the left with blanks or zeros. - The converted value is to be left adjusted on the field boundary. ![]() For other conversions, the behavior is undefined. If a precision is given with a numeric conversion (d, i, o, u, x, and X), the 0 flag is ignored. If the 0 and - flags both appear, the 0 flag is ignored. For d, i, o, u, x, X, a, A, e, E, f, F, g, and G conversions, the converted value is padded on the left with zeros rather than blanks. For other conversions, the result is undefined. For g and G conversions, trailing zeros are not removed from the result as they would otherwise be. For a, A, e, E, f, F, g, and G conversions, the result will always contain a decimal point, even if no digits follow it (normally, a decimal point appears in the results of those conversions only if a digit follows). For x and X conversions, a nonzero result has the string '0x' (or '0X' for X conversions) prepended to it. For o conversions, the first character of the output string is made zero (by prefixing a 0 if it was not zero already).
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