12940b44dSPeter Avalos /////////////////////////////////////////////////////////////////////////////// 22940b44dSPeter Avalos // 3*e151908bSDaniel Fojt /// \file tuklib_mbstr_fw.c 42940b44dSPeter Avalos /// \brief Get the field width for printf() e.g. to align table columns 52940b44dSPeter Avalos // 62940b44dSPeter Avalos // Author: Lasse Collin 72940b44dSPeter Avalos // 82940b44dSPeter Avalos // This file has been put into the public domain. 92940b44dSPeter Avalos // You can do whatever you want with this file. 102940b44dSPeter Avalos // 112940b44dSPeter Avalos /////////////////////////////////////////////////////////////////////////////// 122940b44dSPeter Avalos 132940b44dSPeter Avalos #include "tuklib_mbstr.h" 142940b44dSPeter Avalos 152940b44dSPeter Avalos 162940b44dSPeter Avalos extern int tuklib_mbstr_fw(const char * str,int columns_min)172940b44dSPeter Avalostuklib_mbstr_fw(const char *str, int columns_min) 182940b44dSPeter Avalos { 192940b44dSPeter Avalos size_t len; 202940b44dSPeter Avalos const size_t width = tuklib_mbstr_width(str, &len); 212940b44dSPeter Avalos if (width == (size_t)-1) 222940b44dSPeter Avalos return -1; 232940b44dSPeter Avalos 242940b44dSPeter Avalos if (width > (size_t)columns_min) 252940b44dSPeter Avalos return 0; 262940b44dSPeter Avalos 272940b44dSPeter Avalos if (width < (size_t)columns_min) 282940b44dSPeter Avalos len += (size_t)columns_min - width; 292940b44dSPeter Avalos 302940b44dSPeter Avalos return len; 312940b44dSPeter Avalos } 32