g__fmt.c File Reference

#include "gdtoaimp.h"

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Macros
#define	decimalpoint   '.'

Functions
char *	g__fmt (char *b, char *s, const char *se, int decpt, ULong sign)

Macro Definition Documentation

decimalpoint

#define decimalpoint   '.'

Function Documentation

g__fmt()

char* g__fmt	(	char *	b,
		char *	s,
		const char *	se,
		int	decpt,
		ULong	sign
	)

Definition at line 46 of file g__fmt.c.

{
    char* s0 = s;
#ifdef USE_LOCALE
    char decimalpoint = *localeconv()->decimal_point;
#else
#define decimalpoint '.'
#endif
    if(sign)
    {
        {
            *b++ = '-';
        }
    }
    if(decpt <= -4 || decpt > se - s + 5)
    {
        int j, k;
        *b++ = *s++;
        if(*s)
        {
            *b++ = decimalpoint;
            while((*b = *s++) != 0)
            {
                b++;
            }
        }
        *b++ = 'e';
        /* sprintf(b, "%+.2d", decpt - 1); */
        if(--decpt < 0)
        {
            *b++ = '-';
            decpt = -decpt;
        }
        else
        {
            {
                *b++ = '+';
            }
        }
        for(j = 2, k = 10; 10 * k <= decpt; j++, k *= 10)
        {
        }
        for(;;)
        {
            int i = decpt / k;
            *b++ = (char)i + '0';
            if(--j <= 0)
            {
                break;
            }
            decpt -= i * k;
            decpt *= 10;
        }
        *b = 0;
    }
    else if(decpt <= 0)
    {
        *b++ = decimalpoint;
        for(; decpt < 0; decpt++)
        {
            {
                *b++ = '0';
            }
        }
        while((*b = *s++) != 0)
        {
            {
                b++;
            }
        }
    }
    else
    {
        while((*b = *s++) != 0)
        {
            b++;
            if(--decpt == 0 && *s)
            {
                {
                    *b++ = decimalpoint;
                }
            }
        }
        for(; decpt > 0; decpt--)
        {
            {
                *b++ = '0';
            }
        }
        *b = 0;
    }
    freedtoa(s0);
    return b;
}

References lconv::decimal_point, decimalpoint, freedtoa(), and localeconv().

Referenced by g_ddfmt(), g_dfmt(), g_ffmt(), g_Qfmt(), g_xfmt(), and g_xLfmt().