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bugfix: handle number void with any number of cases 

* add is_number_void()
 * numericx_translate() was only handling a void number with one digit
   as argument, for example a 0.
   When encontering a void number with more then one digit, the function
   was entering on a infinite cycle.

   Now, with the function is_number_void(), numericx_translate() can
   handle correctly void number with any number of cases. Either with a
   from numerical system that is infinite (0 == 00 == 000 ...)  or if it
   is not (0 is void, 00 is concrete, 000 is concrete, ...)

Signed-off-by: Daniel Santos <dacs.git@brilhante.top>
This commit is contained in:
Daniel Santos 2022-03-18 20:10:17 +00:00
parent a8f50b625c
commit 32fbc9c08c
1 changed files with 34 additions and 1 deletions
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35
numericx.c
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@ -303,6 +303,39 @@ numeral_to_string(numeral_ptr* numeral, bool result_with_units_on_the_end)
return result;
}
/**
* @brief Check if number is void.
*
* Check if number is void by testing each digit to see if all of
* number's numerals correspond to void_numeral.
*
* @param number - Number string to be checked.
* @param void_numeral - Numeral that represents void.
*
* @result true if number is void.
* @result false if number is countable.
*/
static bool
is_number_void(char* number, char* void_numeral, bool is_infinite)
{
if( !is_infinite )
{
return ( (strlen(number) == 1) && (*number == *void_numeral) );
}
else
{
while( !(*number == '\0') )
{
if( *number != *void_numeral )
return false;
++number;
}
return true;
}
}
/**
* @brief Translate string to a different numerical system.
*
@ -369,7 +402,7 @@ numericx_translate(char* from, bool from_units_on_the_end, bool from_first_numbe
{
if( from_first_number_void )
{
if( strlen(number) == 1 && *number == *from_first )
if( is_number_void(number, from_first, from_infinite_base) )
{
free_numeral(counting);
free_numeral(result);