Linux下c语言实现将一个目录下的所有文件和目录复制到另一个目录下

#include<stdio.h>

#include<fcntl.h>

#include<unistd.h>

#include<sys/stat.h>

#include<sys/types.h>

#include<dirent.h>

#include<string.h>

char paths[1000],patht[1000],temp_paths[1000],temp_patht[1000];

void Copy(char *spathname,char *tpathname)

{

   int sfd,tfd;

   struct stat s,t;

   char c;

   sfd=open(spathname,O_RDONLY);

   tfd=open(tpathname,O_RDWR|O_CREAT);

   while(read(sfd,&c,1)>0)

        write(tfd,&c,1);

   fstat(sfd,&s);

   chown(tpathname,s.st_uid,s.st_gid);

   chmod(tpathname,s.st_mode);

  

   close(sfd);

   close(tfd);

}

void d_copy(char *spathname,char *tpathname)

{

   struct stat s,t,temp_s,temp_t;

   struct dirent *s_p;

   DIR *dirs,*dirt;

　　  

　　   stat(spathname,&s);

   mkdir(tpathname,s.st_mode);

   chown(tpathname,s.st_uid,s.st_gid);

   dirt=opendir(tpathname);

   dirs=opendir(spathname);

   strcpy(temp_paths,spathname);

   strcpy(temp_patht,tpathname);

   while((s_p=readdir(dirs))!=NULL)

   {

      if(strcmp(s_p->d_name,".")!=0&&strcmp(s_p->d_name,"..")!=0)

      {

          strcat(temp_paths,"/");

          strcat(temp_paths,s_p->d_name);

          strcat(temp_patht,"/");

          strcat(temp_patht,s_p->d_name);

          lstat(temp_paths,&s);

          temp_s.st_mode=s.st_mode;

          if(S_ISLNK(temp_s.st_mode))

          {

              printf("%s is a symbol link file\n",temp_paths);

          }

          else if(S_ISREG(temp_s.st_mode))

          {

              printf("Copy file %s ......\n",temp_paths);

              Copy(temp_paths,temp_patht);

              strcpy(temp_paths,spathname);

　　              strcpy(temp_patht,tpathname);

　　          }

          else if(S_ISDIR(temp_s.st_mode))

          {

              printf("Copy directory %s ......\n",temp_paths);

              d_copy(temp_paths,temp_patht);

              strcpy(temp_paths,spathname);

              strcpy(temp_patht,tpathname);

          }

      }

   }

}

int main()

{

   struct dirent *sp,*tp;

   char spath[1000],tpath[1000],temp_spath[1000],temp_tpath[1000];

   struct stat sbuf,tbuf,temp_sbuf,temp_tbuf;

   char sdirect[1000],tdirect[1000],judge;

   DIR *dir_s,*dir_t;

  

   printf("Please input the sourse direct path and name :");

   scanf("%s",sdirect);

   dir_s=opendir(sdirect);

   if(dir_s==NULL)

   {

      printf("This directory don't exist !\n");

      return 0;

   }

   if(stat(sdirect,&sbuf)!=0)

   {

      printf("Get status error !\n");

      return 0;

   }

   printf("Please input the target direct path and name :");

   scanf("%s",tdirect);

   dir_t=opendir(tdirect);

   if(dir_t==NULL)

   {

      mkdir(tdirect,sbuf.st_mode);

      chown(tdirect,sbuf.st_uid,sbuf.st_gid);

      dir_t=opendir(tdirect);

   }

   else

   {

      chmod(tdirect,sbuf.st_mode);

      chown(tdirect,sbuf.st_uid,sbuf.st_gid);

   }  

   strcpy(spath,sdirect);

   strcpy(tpath,tdirect);

   strcpy(temp_spath,sdirect);

   strcpy(temp_tpath,tdirect);

/////////////////////////////////////////////////////////////////////////////////

   printf("Begin copy ........\n");

   while((sp=readdir(dir_s))!=NULL)

   {

      if(strcmp(sp->d_name,".")!=0&&strcmp(sp->d_name,"..")!=0)

      {

          strcat(temp_spath,"/");

          strcat(temp_spath,sp->d_name);

          strcat(temp_tpath,"/");

          strcat(temp_tpath,sp->d_name);

          lstat(temp_spath,&sbuf);

          temp_sbuf.st_mode=sbuf.st_mode;

          if(S_ISLNK(temp_sbuf.st_mode))

          {

              printf("%s is a symbolic link file\n",temp_spath);

          }

          else if((S_IFMT&temp_sbuf.st_mode)==S_IFREG)

          {

              printf("Copy file %s ......\n",temp_spath);

              Copy(temp_spath,temp_tpath);

              strcpy(temp_tpath,tpath);

              strcpy(temp_spath,spath);

          }

          else if((S_IFMT&temp_sbuf.st_mode)==S_IFDIR)

          {

              printf("Copy directory %s ......\n",temp_spath);

              d_copy(temp_spath,temp_tpath);

              strcpy(temp_tpath,tpath);

              strcpy(temp_spath,spath);

          }

      }

   }

   printf("Copy end !\n");

   closedir(dir_t);

   closedir(dir_s);

   return 1;

}

转载自：http://biancheng.dnbcw.info/linux/74567.html