读取INI文件的函数(C语言)
/*
* File: inifile.h
* Read INI File
*/
#ifndef _INIFILE_H_
#define _INIFILE_H_
#include
#include
/*
* char* GetInitKey(FileName, Section, Key)
* Return Key=>Value
* Ex:
*
* + [config]
* + dbhost=localhost
*
* strcpy(dbhost,GetInitKey("config.ini", "config", "dbhost"));
*/
char * GetInitKey(char *filename, char *title,char *key)
{
FILE * fp;
char tmpLine[1024];
int rtnval;
int i = 0;
int flag = 0;
char * tmp;
static char tmpstr[1024];
if ((fp = fopen( filename, "r")) == NULL )
{
return "have no such file";
}
while (!feof(fp))
{
rtnval = fgetc( fp );
if ( rtnval == EOF )
{
break;
}
else
{
tmpLine[i++] = rtnval;
}
if ( rtnval == '\n')
{
tmpLine[--i]=0;
i = 0;
tmp = strchr(tmpLine, '=');
if (( tmp != NULL )&&(flag == 1))
{
if (strstr(tmpLine,key)!=NULL)
{
strcpy ( tmpstr, tmp + 1 );
fclose ( fp );
return tmpstr;
}
}
else
{
strcpy(tmpstr,"[");
strcat(tmpstr,title);
strcat(tmpstr,"]");
if (strcmp(tmpstr,tmpLine)==0)
{
flag = 1;
}
}
}
}
fclose ( fp );
return "";
}
#endif //_INIFILE_H_
使用方法:
char dbhost[20];
strcpy(dbhost,GetInitKey("config.ini", "config", "dbhost"));
ini文件内容
[config]
dbhost=localhost
