fileopt.c

API

/*
 * Some tools
 * Copyright (C) Bank of communication & Fujian Start Ltd 1997
 * All Rights Reserved
 * Last Modified by Lcm. 1997.11.15 ShangHai
 */

#include <stdio.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "mytools.h"

/*
 * Move source_file to target_file.
 */

int _move(char *source_file, char *target_file)
{
	unlink(target_file);

	if (link(source_file, target_file) < 0) {
		errcall(ERROR, "Link file error! [%s]->[%s]", source_file, target_file);
		return(-1);
	}
	if (unlink(source_file) < 0) {
		errcall(ERROR, "Unlink file error! [%s]", source_file);
		return(-1);
	}
	return(0);	
}

/*
 * Copy source_file to target_file.
 */

int _copy(char *source_file, char *target_file)
{
	unlink(target_file);

	if (link(source_file, target_file) < 0) {
		errcall(ERROR, "Link file error! [%s]->[%s]", source_file, target_file);
		return(-1);
	}
	return(0);	
}

/*
 * Move all file in source directory to target directory.
 */

int _move_dir(char *source_dir, char *target_dir)
{
	DIR *DirectoryPointer;
	struct dirent *dirp;
	char source_file[80], target_file[80];

	DirectoryPointer = opendir(source_dir);
	while ((dirp = readdir(DirectoryPointer)) != NULL) {
		if (!memcmp(dirp->d_name,".",1)||!memcmp(dirp->d_name,"..",2))
			continue;
		sprintf(source_file, "%s/%s", source_dir, dirp->d_name);
		sprintf(target_file, "%s/%s", target_dir, dirp->d_name);
		if (_move(source_file, target_file) < 0) {
			closedir(DirectoryPointer);
			return(-1);
		}
	}
	closedir(DirectoryPointer);
	return(0);
}

/*
 * Copy all file in source directory to target directory.
 */

int _copy_dir(char *source_dir, char *target_dir)
{
	DIR *DirectoryPointer;
	struct dirent *dirp;
	char source_file[80], target_file[80];

	DirectoryPointer = opendir(source_dir);
	while ((dirp = readdir(DirectoryPointer)) != NULL) {
		if (!memcmp(dirp->d_name,".",1)||!memcmp(dirp->d_name,"..",2))
			continue;
		sprintf(source_file, "%s/%s", source_dir, dirp->d_name);
		sprintf(target_file, "%s/%s", target_dir, dirp->d_name);
		if (_copy(source_file, target_file) < 0) {
			closedir(DirectoryPointer);
			return(-1);
		}
	}
	closedir(DirectoryPointer);
	return(0);
}

int _creat_new_file(char *f_name)
{
	int fd;
	
	if ((fd = creat(f_name, 0666)) < 0) {
		printf("Creat file %s error!", f_name);
		return(-1);
	}
	close(fd);
}