readrec.c

来自「一个用C编写的简单的关系数据库系统」· C语言 代码 · 共 21 行

void ReadRec(FILE * fp, DBF * dbf_name, RecUnion * rec)
{
	int i = 0;
	while (i < dbf_name->dhFieldCount)
	{
		switch (dbf_name->dbf_struct[i].dhFieldType) {
		case Int:
			fread(&rec[i].intType,sizeof(int),1,fp);
			break;
		case Float:
			fread(&rec[i].floatType,sizeof(float),1,fp);
			break;
		case String:
			rec[i].string = (char *)malloc(dbf_name->dbf_struct[i].dhFieldLen * sizeof(char));
			fread(rec[i].string,dbf_name->dbf_struct[i].dhFieldLen,1,fp);
			break;
		}
		i++;
	}
	return;
}