c_src/string_nit.c

   1 /* This file is part of NIT ( http://www.nitlanguage.org ).
   2  *
   3  * Copyright 2012 Alexis Laferrière <alexis.laf@xymus.net>
   4  *
   5  * This file is free software, which comes along with NIT.  This software is
   6  * distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   7  * without  even  the implied warranty of  MERCHANTABILITY or  FITNESS FOR A
   8  * PARTICULAR PURPOSE.  You can modify it is you want,  provided this header
   9  * is kept unaltered, and a notification of the changes is added.
  10  * You  are  allowed  to  redistribute it and sell it, alone or is a part of
  11  * another product.
  12  */
  13
  14 #include "string_nit.h"
  15
  16 /*
  17 C implementation of string::String::to_f
  18
  19 Imported methods signatures:
  20         char * String_to_cstring( String recv ) for string::String::to_cstring
  21 */
  22 float String_to_f___impl( String recv )
  23 {
  24     float value;
  25     char *str;
  26     int read;
  27
  28     str = String_to_cstring( recv );
  29
  30     read = sscanf( str, "%f", &value );
  31
  32     if ( read <= 0 )
  33     {
  34         fprintf( stderr, "Failed to convert string \"\" to float." );
  35         abort();
  36     }
  37
  38     return value;
  39 }