可以somone请帮我这个代码？它编译得很好，但当我尝试运行它时，它给我分段错误：11。我不知道我做错了什么。我怀疑AddDetailToAccumulators功能是它的问题，但我似乎无法找到这个缺陷。
的main.cpp
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "function.h"
#define OnScreenReport1 "Employee Pay Reg Hrs Gross Fed SSI Net \n"
#define OnScreenReport2 "Name Rate Ovt Hrs Pay State Defr Pay \n"
#define OnScreenReport3 "======== ===== ======= ======= ======= ====== =====\n"
extern void CalcTax(float Gross, float Deffered, float *FedTax, float *StateTax, float *SSITax);
int main(void)
{
int numemps;
float FedTax, StateTax, SSITax,
hours, payrate, defr, netpay,Gross,
regHrs, ovtHrs, totreg, totovt,
totpayR, totgross, totfed, totstate, totssi, totdefr, totnetP;
char lastname[10], firstname[10], answer = 'y';
FILE *reportfile;
PrintReportHeadings(reportfile);
InitializeAccumulators(&totpayR, &totreg, &totovt, &totgross, &totfed,&totstate, &totssi, &totdefr, &totnetP);
while (answer == 'y')
{
EmployeeData(lastname, firstname, &hours, &payrate, &defr);
if (hours <= 40)
{
regHrs = hours;
}
else
{
regHrs = 40;
ovtHrs = hours - 40;
}
Gross = CalcGross(hours, payrate);
CalcTax(Gross, defr, &FedTax, &StateTax, &SSITax);
netpay = Gross - FedTax - StateTax - SSITax - defr;
printf(OnScreenReport1);
printf(OnScreenReport2);
printf(OnScreenReport3);
printf("%s, %s %f %f %f %f %f %f\n", lastname, firstname, payrate, regHrs, Gross, FedTax, SSITax, netpay);
printf("Your reg Hours is %.2f\n", regHrs);
printf("Your overtime Hours is %.2f\n", ovtHrs);
printf("Your Gross is: %.2f\n", Gross);
printf("the Federal Tax is %.2f\n",FedTax);
printf("the State Tax is %.2f\n",StateTax);
printf("the SSI Tax is %.2f\n",SSITax);
AddDetailToAccumulators(payrate, &totpayR, regHrs, &totreg, ovtHrs, &totovt, Gross, &totgross, FedTax, &totfed, StateTax, &totstate, SSITax, &totssi, defr, &totdefr);
numemps++;
printf("have more employee? ");
scanf("%c", &answer);
}
PrintSummaryReport(totpayR, totreg, totovt, totgross, totfed, totstate, totssi, totdefr, totnetP, numemps, reportfile);
return 0;
}
function.h
void PrintReportHeadings(FILE *reportfile)
{
reportfile =fopen("report.txt","w");
if (reportfile != NULL)
{
fprintf(reportfile, "Employee Pay Reg Hrs Gross Fed SSI Net \n");
fprintf(reportfile, "Name Rate Ovt Hrs Pay State Defr Pay \n");
fprintf(reportfile, "======== ===== ======= ======= ======= ====== =====\n");
}
else
{
printf("Could not open the file.\n");
exit(0);
}
}
void EmployeeData(char *lastname, char *firstname, float *hours, float *payrate, float *defr)
{
printf("last name?\n");
scanf("%s", lastname);
printf("first name?\n");
scanf("%s", firstname);
printf("hours?\n");
scanf("%f",hours);
printf("payrate?\n");
scanf("%f",payrate);
printf("defr?\n");
scanf("%f",defr);
}
float CalcGross(float hours, float payrate)//module 3.4
{
if (hours < 40)
return (hours * payrate);
else
return payrate * 40 + (hours - 40)*1.5*payrate;
}
void InitializeAccumulators(float *totpayR, float * totreg, float *totovt, float *totgross, float *totfed, float *totstate, float*totssi, float *totdefr, float *totnetP)
{
*totpayR = 0;
*totreg = 0;
*totovt = 0;
*totgross = 0;
*totfed = 0;
*totstate = 0;
*totssi = 0;
*totdefr = 0;
*totnetP = 0;
}
void AddDetailToAccumulators(float payrate, float *totpayR, float reghrs, float *totreg, float ovthrs, float*totovt, float Gross, float *totgross, float FedTax, float *totfed, float StateTax, float *totstate, float SSITax, float *totssi, float defr, float *totdefr)
{
*totpayR = *totpayR + payrate;
*totreg = *totreg + reghrs;
*totovt = *totovt + ovthrs;
*totgross = *totgross + Gross;
*totfed = *totfed + FedTax;
*totstate = *totstate + StateTax;
*totssi = *totssi + SSITax;
*totdefr = *totdefr + defr;
}
void PrintSummaryReport(float totpayR, float totreg, float totovt, float totgross, float totfed, float totstate, float totssi, float totdefr, float totnetP, int numemmps, FILE *reportfile)
{
float avgpayR, avgreg, avgovt, avggross, avgfed, avgstate, avgssi, avgdefr, avgnetP;
avgpayR = totpayR / numemmps;
avgreg = totreg / numemmps;
avgovt = totovt / numemmps;
avggross = totgross / numemmps;
avgfed = totfed / numemmps;
avgstate = totstate / numemmps;
avgssi = totssi / numemmps;
avgdefr = totdefr / numemmps;
avgnetP = totnetP / numemmps;
fprintf(reportfile, "Totals %f %f %f %f %f %f \n",totpayR, totreg,totgross, totfed,totssi,totnetP);
fprintf(reportfile, "Averages Rate Ovt Hrs Pay State Defr Pay \n");
fprintf(reportfile, "Averages Rate Ovt Hrs Pay State Defr Pay \n");
fprintf(reportfile, "======== ===== ======= ======= ======= ====== =====\n");
fclose(reportfile);
}
我跑了它并得到了结果
last name?
Teo
first name?
Dg
hours?
30
payrate?
10
defr?
15
Employee Pay Reg Hrs Gross Fed SSI Net
Name Rate Ovt Hrs Pay State Defr Pay
======== ===== ======= ======= ======= ====== =====
Teo, Dg 10.000000 30.000000 300.000000 42.750000 22.087500 217.170013
Your reg Hours is 30.00
Your overtime Hours is 0.00
Your Gross is: 300.00
the Federal Tax is 42.75
the State Tax is 2.99
the SSI Tax is 22.09
Segmentation fault: 11
答案 0 :(得分：-1)
更新
虽然在这个具体的环境中，分段错误似乎由于其他原因而发生（我错过了表明程序超出数据输入的输出列表），任何编写符合标准的C代码的人都必须避免
的scanf（ “％F”，小时）;
的scanf（ “％F”，payrate）;
的scanf（ “％F”，DEFR）;
其中hours，payrate，defr是指数字变量（浮点数）。
这被描述为http://www.drpaulcarter.com/cs/common-c-errors.php#2.3.1处的编程错误 我测试了自己的代码
#include <stdio.h>
float f = 0.;
main()
{
scanf("%f", f);
printf("f = %f\n", f);
}
导致段错误或不读取数据（在不同的盒子上）。
scanf()需要指向变量的指针，而不是它们的值，尽管关于字符串没有区别。有些编译器可能会在流氓代码中替换指针，使其与特定编译器一起运行，但此代码是不可移植的。