segdata.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	SEG

Typedefs
typedef struct SEG	SEG

Functions
int	significant_digits (char *str)
int	seg_yylex (void)
void	seg_yyerror (SEG *result, const char *message) pg_attribute_noreturn()
void	seg_scanner_init (const char *str)
void	seg_scanner_finish (void)
int	seg_yyparse (SEG *result)

Typedef Documentation

typedef struct SEG SEG

Function Documentation

void seg_scanner_finish

(

void

)

Referenced by seg_in().

void seg_scanner_init

(

const char *

str

)

Referenced by seg_in().

void seg_yyerror	(	SEG *	result,
		const char *	message
	)

Referenced by seg_in().

int seg_yylex

(

void

)

int seg_yyparse

(

SEG *

result

)

Referenced by seg_in().

int significant_digits

(

char *

str

)

Definition at line 1055 of file seg.c.

{
    char       *p = s;
    int         n,
                c,
                zeroes;

    zeroes = 1;
    /* skip leading zeroes and sign */
    for (c = *p; (c == '0' || c == '+' || c == '-') && c != 0; c = *(++p));

    /* skip decimal point and following zeroes */
    for (c = *p; (c == '0' || c == '.') && c != 0; c = *(++p))
    {
        if (c != '.')
            zeroes++;
    }

    /* count significant digits (n) */
    for (c = *p, n = 0; c != 0; c = *(++p))
    {
        if (!((c >= '0' && c <= '9') || (c == '.')))
            break;
        if (c != '.')
            n++;
    }

    if (!n)
        return (zeroes);

    return (n);
}