我写的递归目录的小程序，为什么退不出循环？请大家看看！
#include <stdio.h>
#include <io.h>
#include <direct.h>
#include <iostream.h>
#include <stdlib.h>
void dir(char *buf)
{
struct _finddata_t c_file={0};
long hFile;
if( (hFile = _findfirst( "*.* ", &c_file )) == -1L )
return;
else
{
sprintf(buf, "%-12s\n ",c_file.name);
if(c_file.attrib&_A_SUBDIR)
{
if(buf[0]!= '. ')
{
_chdir(buf);
cout < < "buf: " < <buf < <endl;
dir(buf);
}
}
while( _findnext( hFile, &c_file ) == 0 )
{
sprintf(buf, "%-12s\n ",c_file.name);
if(c_file.attrib&_A_SUBDIR)
{
if(buf[0]!= '. ')
{
cout < <buf < <endl;
chdir(buf);
system( "pause ");//就是这里不停，我怕大家的屏幕老闪，在这里加了一行;
dir(buf);
}
}
}
_findclose( hFile );
}
};
void main()
{
char buf[260]={0};
dir(buf);
}
[解决办法]
#include <stdio.h>
#include <io.h>
#include <direct.h>
#include <stdlib.h>
#include <conio.h>
#include <string.h>
void dir(char *target)
{
struct _finddata_t c_file={0};
char buf[260]={};
char target_[260]={0};
long hFile;
if(_chdir(target))
{
printf( "chdir failed---%s!\n ",target);
}
strcpy(target_,target);
if(target[strlen(target)]== '\\ ')
{
target_[strlen(target)] = 0;
}
sprintf(buf, "%s\\*.* ",target_);
if((hFile = _findfirst( buf, &c_file )) == -1L)
{
return;
}
else
{
printf( "directory\n ");
printf( "%s\\\n ",target_);
printf( "==============================================================\n ");
sprintf(buf, "%s ",c_file.name);
if(buf[0]!= '. ')
{
if(c_file.attrib&_A_SUBDIR)
{
char t[260];
sprintf(t, "%s\\%s ",target_,buf);
dir(t);
}
else
{
printf( "%s\\buf:%s\n ",target_,buf);
}
}
else
{
//printf( "%s\\buf:%s\n ",target_,buf);
}
while( _findnext( hFile, &c_file ) == 0)
{
sprintf(buf, "%s ",c_file.name);
if(buf[0]!= '. ')
{
if(c_file.attrib&_A_SUBDIR)
{
char t[260];
sprintf(t, "%s\\%s ",target_,buf);
dir(t);
}
else
{
printf( "%s\\buf:%s\n ",target_,buf);
}
}
else
{
//printf( "%s\\buf:%s\n ",target_,buf);
}
}
printf( "==============================================================\n ");
_findclose( hFile );
}
}
int main(int argc,char *argv[])
{
char buf[260]={0};
dir( "C:\\ ");
getche();
return 0;
}
