Am 11.04.2016 um 11:50 schrieb Jean-Pierre André:
In section 7.19.6.1 of C99 and section 7.21.6.1 of C11 :"As noted above, a field width, or precision, or both, may be indicated by an asterisk. In this case, an int argument supplies the field width or precision. The arguments specifying field width, or precision, or both, shall appear (in that order) before the argument (if any) to be converted. A negative field width argument is taken as a - flag followed by a positive field width. A negative precision argument is taken as if the precision were omitted." followed by : "The flag characters and their meanings are: - The result of the conversion is left-justified within the field. (It is right-justified if this flag is not specified.)"
Much thanks. This is what I already found.
I now see, I was irritated. Because
printf("%*c", -4, ' ') fills in 4 blanks, I assumed
printf("%*c", -4, '#') is a trick to fill in 4 '#'.
So I was wondering, why I couldn't find a docu how to fill a range with same
chars with printf().
Sorry for the noise.
-Ulf
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