#include <ctype.h>
#include <string.h>
#include <stddef.h>
+#include <limits.h>
/* Using an integer's bits as flags for both the conversion flags and length
modifiers.
type: integer type, used to get the correct type from the parameter
stack as well as for cast target.
*/
-#define ASSIGN( case_cond, type ) \
+#define ASSIGN_VALUE_TO( case_cond, type ) \
case case_cond: \
*( va_arg( status->arg, type * ) ) = (type)( value * sign ); \
break
return NULL;
}
}
+ case '[':
+ // TODO: SOLAR
+ break;
case 'p':
status->base = 16;
status->flags |= E_unsigned;
if ( status->base != -1 )
{
/* integer conversion */
- uintmax_t value = 0;
+ uintmax_t value = 0; /* absolute value read */
bool prefix_parsed = false;
int sign = 0;
while ( ( status->this < status->width ) &&
{
/* out of input before anything could be parsed - input error */
/* FIXME: if first character does not match, value_parsed is not set - but it is NOT an input error */
- if ( status->n == 0 )
+ if ( ( status->n == 0 ) && ( rc == EOF ) )
{
status->n = -1;
}
E_intmax | E_size | E_ptrdiff |
E_unsigned ) )
{
- ASSIGN( E_char, char );
- ASSIGN( E_char | E_unsigned, unsigned char );
- ASSIGN( E_short, short );
- ASSIGN( E_short | E_unsigned, unsigned short );
- ASSIGN( 0, int );
- ASSIGN( E_unsigned, unsigned int );
- ASSIGN( E_long, long );
- ASSIGN( E_long | E_unsigned, unsigned long );
- ASSIGN( E_llong, long long );
- ASSIGN( E_llong | E_unsigned, unsigned long long );
- ASSIGN( E_intmax, intmax_t );
- ASSIGN( E_intmax | E_unsigned, uintmax_t );
- ASSIGN( E_size, size_t );
- /* ASSIGN( E_size | E_unsigned, unsigned size_t ); */
- ASSIGN( E_ptrdiff, ptrdiff_t );
- /* ASSIGN( E_ptrdiff | E_unsigned, unsigned ptrdiff_t ); */
+ ASSIGN_VALUE_TO( E_char, char );
+ ASSIGN_VALUE_TO( E_char | E_unsigned, unsigned char );
+ ASSIGN_VALUE_TO( E_short, short );
+ ASSIGN_VALUE_TO( E_short | E_unsigned, unsigned short );
+ ASSIGN_VALUE_TO( 0, int );
+ ASSIGN_VALUE_TO( E_unsigned, unsigned int );
+ ASSIGN_VALUE_TO( E_long, long );
+ ASSIGN_VALUE_TO( E_long | E_unsigned, unsigned long );
+ ASSIGN_VALUE_TO( E_llong, long long );
+ ASSIGN_VALUE_TO( E_llong | E_unsigned, unsigned long long );
+ ASSIGN_VALUE_TO( E_intmax, intmax_t );
+ ASSIGN_VALUE_TO( E_intmax | E_unsigned, uintmax_t );
+ ASSIGN_VALUE_TO( E_size, size_t );
+ /* ASSIGN_VALUE_TO( E_size | E_unsigned, unsigned size_t ); */
+ ASSIGN_VALUE_TO( E_ptrdiff, ptrdiff_t );
+ /* ASSIGN_VALUE_TO( E_ptrdiff | E_unsigned, unsigned ptrdiff_t ); */
default:
puts( "UNSUPPORTED SCANF FLAG COMBINATION" );
return NULL; /* behaviour unspecified */