Linuxc 폴 더 및 파일 복사 실현

#include
#include
#include
#include
#include
#include
#include
//       
int is_dir(char *path)
{
    struct stat st;
    stat(path,&st);
    if(S_ISDIR(st.st_mode))
        return 1;
    else
    return 0;
}
//        
int endwith(char *s,char c)
{
//          "/"
    if(s[strlen(s)-1]==c)
        return 1;
    else
        return 0;
}

char* str_contact(char *str1,char *str2)
{
    char* result;
    result=(char*)malloc(strlen(str1)+strlen(str2)+1);
    if(!result)
    {
        printf("      ，        
");
        exit(1);
    }
    strcat(result,str1);
    strcat(result,str2);
    return result;
}
//      
void copy1(char* source_path,char* destination_path)
{
    char buffer[1024];
    int in,out,size;
    int fd,fd1;
    fd=open(source_path,O_RDWR);
    if(fd==-1)
    {
        printf("      
");
        exit(1);
    }
    out=read(fd,buffer,1024);
    if(out==-1)
    {
        printf("    
");
        exit(1);
    }
    close(fd);
    size=strlen(buffer);
    fd1=open(destination_path,O_WRONLY|O_CREAT,S_IRWXU|S_IRWXG);
    if(fd1==-1)
    {
        printf("      
");
        exit(1);
    }
    in=write(fd1,buffer,size);
    if(in==-1)
    {
        printf("    
");
        exit(1);
    }
}
//       
void copy2(char* source_path,char* destination_path)
{
    if(!opendir(destination_path))
    {
        //       mkdir     
        if(mkdir(destination_path,0777))
            printf("       
");
    }
    char *path;
    path=(char*)malloc(512);
    //        String path="",  C              
    //  path    512      ,       
    path=str_contact(path,source_path);
    struct dirent* filename;
    DIR* sn=opendir(path);
    while(filename=readdir(sn))
    {
        //  DIR         ,       
        memset(path,0,sizeof(path));
        path=str_contact(path,source_path);
        char* file_source_path;
        file_source_path=(char*)malloc(512);
        if(!endwith(source_path,'/'))
        {
            file_source_path=str_contact(file_source_path,source_path);
            file_source_path=str_contact(source_path,"/");
        }
        else
        {
            file_source_path=str_contact(source_path,"/");
        }
        char* file_destination_path;
        file_destination_path=(char*)malloc(512);
        if(!endwith(destination_path,'/'))
        {
            file_destination_path=str_contact(file_destination_path,destination_path);
            file_destination_path=str_contact(destination_path,"/");
        }
        else
        {
            file_destination_path=str_contact(file_destination_path,destination_path);
        }
    //                   
        file_source_path=str_contact(file_source_path,filename->d_name);
        file_destination_path=str_contact(file_destination_path,filename->d_name);
        if(is_dir(file_source_path))
        {
            if(!endwith(file_source_path,'.'))
            {
                copy2(file_source_path,file_destination_path);
            }
        }
      //               
            else
            {
                copy1(file_source_path,file_destination_path);
                printf("  %s %s  !
",file_source_path,file_destination_path);
            }
    }
}

int main(int argc,char* argv[])
{
    if(argv[1]==NULL||argv[2]==NULL)
    {
        printf("           ，          ，            
");
        exit(1);
    }
    char* source_path=argv[1];
    char* destination_path=argv[2];
    DIR* source=opendir(source_path);
    DIR* destination=opendir(destination_path);
    if(!source||!destination)
    {
        printf("                     
");
    }
    copy2(source_path,destination_path);
    return 0;
}