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numericx
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add TO_UNITS_ON_THE_END and FROM_UNITS_ON_THE_END 

* add reverse_string()
 * number variable instead of number_first/number_last
 * add flags TO_UNITS_ON_THE_END and FROM_UNITS_ON_THE_END

Signed-off-by: Daniel Santos <dacs.git@brilhante.top>
This commit is contained in:
Daniel Santos 2022-03-09 14:06:02 +00:00
parent ef7e6f99a2
commit dcc93c0ba6
1 changed files with 49 additions and 6 deletions
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55
numericx.c
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@ -10,6 +10,18 @@
#define DEBUG false
#endif
#ifdef TO_UNITS_ON_THE_END
#define TO_UNITS_ON_THE_END true
#else
#define TO_UNITS_ON_THE_END false
#endif
#ifdef FROM_UNITS_ON_THE_END
#define FROM_UNITS_ON_THE_END true
#else
#define FROM_UNITS_ON_THE_END false
#endif
typedef struct NumeralPtr
{
char const* symbol;
@ -83,15 +95,43 @@ is_the_same(numeral_ptr* numeral, char* number_arg)
void
print_numeral(numeral_ptr* numeral)
{
while( !(numeral == NULL) )
if( TO_UNITS_ON_THE_END )
{
printf("%c", *(numeral->symbol));
numeral = numeral->next;
while( !(numeral->next == NULL) )
numeral = numeral->next;
while( !(numeral == NULL) )
{
printf("%c", *(numeral->symbol));
numeral = numeral->previous;
}
}
else
{
while( !(numeral == NULL) )
{
printf("%c", *(numeral->symbol));
numeral = numeral->next;
}
}
printf("\n");
}
void
reverse_string(char* string)
{
char tmp;
char* string_end = string + strlen(string);
while ( --string_end > string )
{
tmp = *string;
*string++ = *string_end;
*string_end = tmp;
}
}
int
main(int argc, char* argv[])
{
@ -121,15 +161,17 @@ main(int argc, char* argv[])
char* to_first = to;
char* to_last = to + (strlen(to) - 1);
char* number_first = number;
char* number_last = number + (strlen(number) - 1);
if( FROM_UNITS_ON_THE_END )
{
reverse_string(number);
}
/* initializing counting and result */
numeral_ptr* counting = new_digit(NULL, from_first);
numeral_ptr* result = new_digit(NULL, to_first);
/* increments until it finishes */
while( !is_the_same(counting, number_first) )
while( !is_the_same(counting, number) )
{
if(DEBUG)
{
@ -152,6 +194,7 @@ main(int argc, char* argv[])
print_numeral(counting);
printf("result: ");
}
print_numeral(result);
return EXIT_SUCCESS;