strw_ftoa.c

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/* float to wstring, internal usage */

#include "fb.h"

FB_WCHAR *fb_FloatExToWstr( double val, FB_WCHAR *buffer, int digits, int mask )
{
        FB_WCHAR *p;
        ssize_t len;

        if( mask & FB_F2A_ADDBLANK )
                p = &buffer[1];
        else
                p = buffer;

        swprintf( p, 16+8+1, _LC("%.*g"), digits, val );

        len = fb_wstr_Len( p );

        if( len > 0 )
        {
                /* skip the dot at end if any */
                if( len > 0 )
                        if( p[len-1] == _LC('.') )
                                p[len-1] = _LC('\0');
        }

        /* */
        if( (mask & FB_F2A_ADDBLANK) > 0 )
        {
                if( *p != _LC('-') )
                {
                        *buffer = _LC(' ');
                        return buffer;
                }
                else
                        return p;
        }
        else
                return p;

}