wfmt.c

unix环境下c语言屏幕编程开发

#include "../inc/screen.h"

/*
 *	金额格式输出
 *	
 * 例: arg->in = 1543785.23, arg->out = "  1,543,785.23".
 *     若 arg->in 超过 14 位数字(不包括'.'), arg->out = " ***,***,***,***.**".
 *
 */

wdfmt(arg)
struct	dfrec	*arg;
{
	char	str[16];
	int	i,j;
/*	double	fabs();*/

/*	if(fabs(arg->in) >= 100000000000000.00)
	{
		sprintf(arg->out," ***,***,***,***.**");
		return(FALSE);
	}*/

	sprintf(str,"%15.2f",arg->in);
	for(i = 0,j = 0;i < 16;i++,j++)
	{
		arg->out[19 - j] = str[15 - i];
		if((i==6 || i==9 || i==12) && str[14-i]>='0' && str[14-i]<='9')
		{
			j++;
			arg->out[19 - j] = ',';
		}
	}
	while(j != 20)
	{
		arg->out[19 - j] = ' ';
		j++;
	}
	return(TRUE);
}

wsfmt(arg)
struct	sfrec	*arg;
{
	char	str[12];
	int	i,j;

	sprintf(str,"%11ld",arg->in);
	for(i = 0,j = 0;i < 12;i++,j++)
	{
		arg->out[14 - j] = str[11 - i];
		if(i == 2)
		{
			j++;
			arg->out[14 - j] = '.';
		}
		if((i==5 || i==8) && str[10-i]>='0' && str[10-i]<='9')
		{
			j++;
			arg->out[14 - j] = ',';
		}
	}
	while(j != 15)
	{
		arg->out[14 - j] = ' ';
		j++;
	}
	if(arg->out[12] == SP)
		arg->out[12] = '0';
	if(arg->out[10] == SP)
		arg->out[10] = '0';

	return(TRUE);
}

wdfmt0(arg)
struct	dfrec	*arg;
{
	int	i;

	i = 0;
	wdfmt(arg);
	while(i < 19 && arg->out[i] == SP)
		i++;
	arg->out[i-1] = '$';
}

wsfmt0(arg)
struct	sfrec	*arg;
{
	int	i;

	i = 0;
	wsfmt(arg);
	while(i < 15 && arg->out[i] == SP)
		i++;
	arg->out[i-1] = '$';
}