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#include <stdio.h>
#include "lock.h"
// �������݃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];
FILE *fp;
int no = 0;
// ���S�ȃt�@�C������i�蔲���j
do {
sprintf(newfile,"%s_%04d.tmp",filename,++no);
} while((fp = fopen(newfile,"r")) && (fclose(fp), 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 = 0;
char newfile[512];
if(fp != NULL) {
ret = fclose(fp);
sprintf(newfile,"%s_%04d.tmp",filename,*info);
remove(filename);
// ���̃^�C�~���O�ŗ�����ƍň��B
rename(newfile,filename);
return ret;
} else {
return 1;
}
}
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