options.c

#include <kiba/format/options.h>
 
format_options format_default_format_options(void) {
    return (format_options){
        .width     = 0,
        .alignment = FORMAT_ALIGN_RIGHT,
        .precision = 0,
    };
}
 
void format_calculate_padding(format_options options, usize data_length, usize *left_pad, usize *right_pad) {
    *left_pad  = 0;
    *right_pad = 0;
    if (options.width > data_length) {
        usize diff = options.width - data_length;
        switch (options.alignment) {
            case FORMAT_ALIGN_RIGHT:
                *left_pad = diff;
                break;
            case FORMAT_ALIGN_LEFT:
                *right_pad = diff;
                break;
            case FORMAT_ALIGN_CENTER:
                *right_pad = diff / 2;
                *left_pad  = diff - *right_pad;
                break;
        }
    }
}