tuklib_mbstr_fw.c revision 213688
1/////////////////////////////////////////////////////////////////////////////// 2// 3/// \file tuklib_mstr_fw.c 4/// \brief Get the field width for printf() e.g. to align table columns 5// 6// Author: Lasse Collin 7// 8// This file has been put into the public domain. 9// You can do whatever you want with this file. 10// 11/////////////////////////////////////////////////////////////////////////////// 12 13#include "tuklib_mbstr.h" 14 15 16extern int 17tuklib_mbstr_fw(const char *str, int columns_min) 18{ 19 size_t len; 20 const size_t width = tuklib_mbstr_width(str, &len); 21 if (width == (size_t)-1) 22 return -1; 23 24 if (width > (size_t)columns_min) 25 return 0; 26 27 if (width < (size_t)columns_min) 28 len += (size_t)columns_min - width; 29 30 return len; 31} 32