searchdir.c

用来在Linux下遍历目录

//#######################################################################
//#  function searchdir is used to search all the dirs/files,by fred.zeng
//#######################################################################
#include "searchdir.h"
void listdir(char * const destdir, void (*pf)(char * const file,int file_type))
{
DIR * curdir;
int i;
struct dirent * curdirent;
if((curdir= opendir(destdir))!=NULL)
	{
		char dirname[400];
		char * tmp;
		while((curdirent = readdir(curdir))!=NULL)
			{
			//init dirname[400] to blank ,function define in string_pmp.h
			//dirname=alloca(400);
			initchar(dirname,400); 
			if (strncmp(curdirent->d_name,".",1)!=0 && strncmp(curdirent->d_name,"..",2)!=0) //ignore the . and ..
			{   // get the whole path+filename
				if (*(strrchr(destdir,'/')+1)=='\0')
				strcat(strcat(dirname,destdir),curdirent->d_name);
				else
				strcat(strcat(strcat(dirname,destdir),"/"),curdirent->d_name);
			if (curdirent->d_type==T_FILE) //normal file
				{			
				pf(dirname,curdirent->d_type); // call a callback funtion to process the filename display					
				}
			if (curdirent->d_type==T_DERECTORY) //A directory
				{				
				pf(dirname,curdirent->d_type);
				listdir(dirname,pf);  //do a loop call
				}
			}
		}
	}
	else
	printf(" Open directory %s failed! \n",destdir);
	closedir(curdir);
}