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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "cbasetypes.h"
#include "showmsg.h"
#include "utils.h"
#include "lock.h"
#include <stdio.h>
#include <errno.h>
#include <string.h>
#ifndef WIN32
#include <unistd.h>
#else
#include <io.h>
#endif
// �������݃t�@�C���̕ی쏈��
// �i�������݂��I���܂ŁA���t�@�C����ۊǂ��Ă����j
// �V�����t�@�C���̏������݊J�n
FILE* lock_fopen (const char* filename, int *info) {
char newfile[512];
int no = 0;
// ���S�ȃt�@�C������i�蔲���j
do {
snprintf(newfile, sizeof newfile, "%s_%04d.tmp", filename, ++no);
} while(exists(newfile) && no < 9999);
*info = no;
return fopen(newfile,"w");
}
// ���t�@�C�����폜���V�t�@�C�������l�[��
int lock_fclose (FILE *fp, const char* filename, int *info) {
int ret = 1;
char newfile[512];
char oldfile[512];
if (fp != NULL) {
ret = fclose(fp);
snprintf(newfile, sizeof newfile, "%s_%04d.tmp", filename, *info);
snprintf(oldfile, sizeof oldfile, "%s.bak", filename); // old backup file
if (exists(oldfile)) remove(oldfile); // remove backup file if it already exists
rename (filename, oldfile); // backup our older data instead of deleting it
// ���̃^�C�~���O�ŗ�����ƍň��B
if ((ret = rename(newfile,filename)) != 0) { // rename our temporary file to its correct name
#if defined(__NETBSD__) || defined(_WIN32) || defined(sun) || defined (_sun) || defined (__sun__)
ShowError("%s - '"CL_WHITE"%s"CL_RESET"'\n", strerror(errno), newfile);
#else
char ebuf[255];
ShowError("%s - '"CL_WHITE"%s"CL_RESET"'\n", strerror_r(errno, ebuf, sizeof(ebuf)), newfile);
#endif
}
}
return ret;
}
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