昨天才开始学C语言，但做第一节课的课后习题，为什么一直运行不了,新手乐园,技术交流,鱼C论坛

楚秋惜 发表于 2021-5-28 18:45:17

昨天才开始学C语言，但做第一节课的课后习题，为什么一直运行不了

#include <io.h>
#include <direct.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX    256

long total;

int countLines(const char *filename);
void findAllCodes(const char *path);
void findALLFiles(const char *path);

int countLines(const char *filename)
{
   FILE *fp;
   int count = 0;
   int temp;

   if ((fp = fopen(filename, "r")) == NULL)
   {
            fprintf(stderr, "Can not open the file：%s\n", filename);
            return 0;
   }

   while ((temp = fgetc(fp)) != EOF)
   {
            if (temp == '\n')
            {
                     count++;
            }
   }

   fclose(fp);

   return count;
}

void findAllCodes(const char *path)
{
   struct _finddata_t fa;
   long handle;
   char thePath, target;

   strcpy(thePath, path);
   if((handle = _findfirst(strcat(thePath,"/*"), &fa)) == -1L)
   {
            do
            {
                     sprintf(target, "%s/%s", path, fa.name);
                     total += countLines(target);
            }while (_findnext(handle, &fa) == 0);
   }

   _findclose(handle);
}

void findALLDirs(const char *path)
{
   struct _finddata_t fa;
   long handle;
   char thePath;

   strcpy(thePath, path);
   if((handle = _findfirst(strcat(thePath, "/*"), &fa)) == -1L)
   {
            fprintf(stderr, "The path %s is wrong!\n",path);
            return;
   }

   do
   {
            if (!strcmp(fa.name, ".") || !strcmp(fa.name, ".."))
                     continue;

            if( fa.attrib == _A_SUBDIR)
            {
                     sprintf(thePath, "%s/%s", path, fa.name);
                     findAllCodes(thePath);
                     findALLDirs(thePath);
            }
   }while (_findnext(handle, &fa) == 0);

   _findclose(handle);
}

int main()
{
   char path = ".";

   printf("计算中...\n");

   findAllCodes(path);
   findALLDirs(path);

   printf("目前你总共写了 %ld 行代码！\n\n", total);
   system("pause");

   return 0;
}

Py与C。。。 发表于 2021-5-28 20:22:37

上报错信息啊

楚秋惜 发表于 2021-5-28 20:34:04

Py与C。。。发表于 2021-5-28 20:22
上报错信息啊

file:///E:/1.png

Py与C。。。 发表于 2021-5-28 20:35:30

楚秋惜发表于 2021-5-28 20:34

？

楚秋惜 发表于 2021-5-28 20:37:01

Py与C。。。发表于 2021-5-28 20:35
？

打字发出来还是图片啊

Py与C。。。 发表于 2021-5-28 20:38:10

楚秋惜发表于 2021-5-28 20:37
打字发出来还是图片啊

贴文字报错信息

楚秋惜 发表于 2021-5-28 20:38:14

E:\测试c\未命名1.cpp In function 'void findAllCodes(const char*)':
49 51 E:\测试c\未命名1.cpp 'fa' was not declared in this scope
E:\测试c\未命名1.cpp In function 'void findALLDirs(const char*)':
63 21 E:\测试c\未命名1.cpp aggregate 'findALLDirs(const char*)::_finddate_t fa' has incomplete type and cannot be defined

楚秋惜 发表于 2021-5-28 20:41:47

Py与C。。。发表于 2021-5-28 20:38
贴文字报错信息

E:\测试c\未命名1.cpp In function 'void findAllCodes(const char*)':
49 51 E:\测试c\未命名1.cpp 'fa' was not declared in this scope
E:\测试c\未命名1.cpp In function 'void findALLDirs(const char*)':
63 21 E:\测试c\未命名1.cpp aggregate 'findALLDirs(const char*)::_finddate_t fa' has incomplete type and cannot be defined

zz学编程 发表于 2021-5-28 22:42:00

第81行代码敲错了 findAllCodes(thePath);应该是findALLCodes(thePath);，要和你上面写的函数保持一致

楚秋惜 发表于 2021-5-29 08:05:39

zz学编程发表于 2021-5-28 22:42
第81行代码敲错了 findAllCodes(thePath);应该是findALLCodes(thePath);，要和你上面写的函数保持一致

我改了之后

E:\测试c\未命名1.cpp In function 'void findAllCodes(const char*)':
49 51 E:\测试c\未命名1.cpp 'fa' was not declared in this scope
E:\测试c\未命名1.cpp In function 'void findALLDirs(const char*)':
63 21 E:\测试c\未命名1.cpp aggregate 'findALLDirs(const char*)::_finddate_t fa' has incomplete type and cannot be defined
82 24 E:\测试c\未命名1.cpp 'findALLCodes' was not declared in this scope

zz学编程 发表于 2021-5-29 09:35:50

保存文件类型出错了，不是.cpp应该是.c
你用我这个代码，
#include<io.h>
#include<direct.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>

#define MAX             256

long total;

int countLines(const char *filename);
void findALLCodes(const char *path);
void findALLFiles(const char *path);

int countLines(const char *filename)
{
   FILE *fp;
   int count=0;
   int temp;

   if((fp=fopen(filename,"r"))==NULL)
   {
            fprintf(stderr,"Can not open the file:%s\n",filename);
            return 0;
   }

   while((temp=fgetc(fp))!=EOF)
   {
            if(temp=='\n')
            {
                     count++;
            }
   }

   fclose(fp);

   return count;
}

void findALLCodes(const char *path)
{
   struct _finddata_t fa;
   long handle;
   char thePath,target;

            strcpy(thePath,path);
            if((handle=_findfirst(strcat(thePath,"/*.c"),&fa))!=-1L)
            {
                     do
                     {
                           sprintf(target,"%s%s",path,fa.name);
                           total+=countLines(target);
                     }while(_findnext(handle,&fa)==0);
            }

            _findclose(handle);
}

void findALLDirs(const char *path)
{
   struct _finddata_t fa;
   long handle;
   char thePath;

      strcpy(thePath,path);
      if((handle=_findfirst(strcat(thePath,"/*"),&fa))==-1L)
      {
            fprintf(stderr,"The path%s is wrong!\n",path);
            return;
      }

      do
      {
               if(!strcmp(fa.name,".")||!strcmp(fa.name,".."))
               continue;

               if(fa.attrib==_A_SUBDIR)
               {
                        sprintf(thePath,"%s%s",path,fa.name);
                        findALLCodes(thePath);
                        findALLDirs(thePath);
               }
      }while(_findnext(handle,&fa)==0);

      _findclose(handle);
}

int main()
{
   char path=".";

   printf("计算中...\n");

   findALLCodes(path);
   findALLDirs(path);

   printf("目前你总共写了%d行代码！\n\n",total);
   system("pause");

   return 0;
}

楚秋惜 发表于 2021-5-29 12:07:38

zz学编程发表于 2021-5-29 09:35
保存文件类型出错了，不是.cpp应该是.c
你用我这个代码，

我改了，还是不行

E:\测试c\4.c In function 'findAllCodes':
48 52 E:\测试c\4.c 'fa' undeclared (first use in this function)
48 52 E:\测试c\4.c each undeclared identifier is reported only once for each function it appears in
E:\测试c\4.c In function 'findALLDirs':
62 21 E:\测试c\4.c storage size of 'fa' isn't known

zz学编程 发表于 2021-5-29 14:25:00

这么离谱么，我都可以运行

zz学编程 发表于 2021-5-29 14:25:53

你用的啥编译器，我用的是devc++

楚秋惜 发表于 2021-5-30 08:32:50

zz学编程发表于 2021-5-29 14:25
你用的啥编译器，我用的是devc++

我也是啊

最强废铁h 发表于 2021-5-30 13:43:50

48行打错了，自己复查一下

楚秋惜 发表于 2021-5-30 16:50:59

最强废铁h 发表于 2021-5-30 13:43
48行打错了，自己复查一下

我全部又对了一遍

E:\测试c\4.c In function 'findAllCodes':
43 24 E:\测试c\4.c storage size of 'fa' isn't known
E:\测试c\4.c In function 'findALLDirs':
62 21 E:\测试c\4.c storage size of 'fa' isn't known

楚秋惜 发表于 2021-5-30 16:52:26

#include <io.h>
#include <direct.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX    256

long total;

int countLinex(const char *filename);
void findALLCodes(const char *path);
void findALLFiles(const char *path);

int countLines(const char *filename)
{
FILE *fp;
int count = 0;
int temp;

if((fp = fopen(filename,"r")) == NULL)
{
fprintf(stderr,"Can not open the film: %s\n",filename);
return 0;
}

while((temp = fgetc(fp)) != EOF)
{
if (temp == '\n')
{
count++;
}
}

fclose(fp);

return count;

}

void findAllCodes(const char *path)
{
struct _finddate_t fa;
long handle;
char thePath, target;

strcpy(thePath, path);
if((handle = _findfirst(strcat(thePath, "/*.c"), &fa)) == -1L)
{
do
{
sprintf(target,"%s/%s", path, fa.name);
total += countLines(target);
}while(_findnext(handle,&fa) == 0);
}

_findclose(handle);
}

void findALLDirs(const char *path)
{
struct _finddate_t fa;
long handle;
char thePath;

strcpy(thePath, path);
if((handle = _findfirst(strcat(thePath, "/*"), &fa)) == -1L)
{
fprintf(stderr,"The path %s is wrong!\n",path);
return;
}

do
{
if(!strcmp(fa.name,".")|| !strcmp(fa.name, ".."))
continue;

if( fa.attrib == _A_SUBDIR)
{
sprintf(thePath,"%s/%s", path, fa.name);
findALLCodes(thePath);
findALLDirs(thePath);
}
}while (_findnext(handle, &fa) == 0);

_findclose(handle);
}

int main()
{
char path = ".";

printf("计算中...\n");

findAllCodes(path);
findALLDirs(path);

printf("目前你总共写了 %ld 行代码！ \n\n", total);
system("pause");

return 0;
}

E:\测试c\4.c    In function 'findAllCodes':
43    24    E:\测试c\4.c    storage size of 'fa' isn't known
E:\测试c\4.c    In function 'findALLDirs':
62    21    E:\测试c\4.c    storage size of 'fa' isn't known

最强废铁h 发表于 2021-5-30 21:29:03

楚秋惜发表于 2021-5-30 16:52
E:\测试c\4.c In function 'findAllCodes':
43 24 E:\测试c\4.c

你还是照着重新敲一遍吧

w957391512 发表于 2023-9-9 18:24:31

计算中...
目前你总共写了0行代码！是什么鬼写完又检查完之后运行就这样子

页: [1]

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昨天才开始学C语言，但做第一节课的课后习题，为什么一直运行不了