tuklib_mbstr_fw.c

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//
//
//  Author:     Lasse Collin
//
//  This file has been put into the public domain.
//  You can do whatever you want with this file.
//
 
#include "tuklib_mbstr.h"
 
 
extern int
tuklib_mbstr_fw(const char *str, int columns_min)
{
    size_t len;
    const size_t width = tuklib_mbstr_width(str, &len);
    if (width == (size_t)-1)
        return -1;
 
    if (width > (size_t)columns_min)
        return 0;
 
    if (width < (size_t)columns_min)
        len += (size_t)columns_min - width;
 
    return len;
}