ini文件配置读取

/*ini_handle.c*/
#include <stdio.h>  
#include <string.h>        
#include "ini_handle.h"


 /**
  * Read sting type value from configure file in section
  * @param section :pursuant flag
  * @param key :to read property
  * @param filename :to reading file
  * @return reading key or NULL
  */
 char *ini_get_string(char *section, char *key, char *filename)
 {
 	FILE *fp = NULL;
 	char szLine[1024];
 	static char tmpstr[1024];
 	int flag = 0;
 	char *tmp = NULL;
 	char *find = NULL;

 	fp=fopen(filename, "r");
 	if (fp == NULL)
 	{
 //		DLOG("no such file: %s", filename);
 		printf("no such file: %s", filename);
 		return "";
 	}

 	while (!feof(fp))
 	{	
 		memset(szLine, NULL, sizeof(szLine));
 		memset(tmpstr, NULL, sizeof(tmpstr));

 		/** read a line to szLine */
 		fgets(szLine, 1024, fp);

 		if ('#' == szLine[0])
 		{
 			continue;
 		}
 		else if(szLine[0] == NULL)
 		{
 //			DLOG("read end");
 			printf("read end\n");
 			break;
 		}
 		else if((isspace(szLine[0])) && (flag == 1))
 		{
 //			DLOG("no key: %s in section: %s", key, section);
 			printf("no key: %s in section: %s\n", key, section);
 			break;
 		}
 		else
 		{
 			tmp = strchr(szLine, '=');
 		}

 		if ((tmp != NULL) && (flag == 1))
 		{
 			if (strstr(szLine, key) != NULL)
 			{
 				strcpy(tmpstr, tmp + 1);
 				fclose(fp);

 				find = strchr(tmpstr, '\n');
 				if(find != NULL)
 				{
 					*find = NULL;
 				}
 				return tmpstr;
 			}
 		}
 		else
 		{
 			strcpy(tmpstr, "[");
 			strcat(tmpstr, section);
 			strcat(tmpstr, "]");
 			if (strncmp(tmpstr, szLine, strlen(tmpstr)) == 0)
 			{
 				//found section
 				flag = 1;
 				szLine[0] = '\0';
 			}
 			else
 			{
 				continue;
 			}
 		}
 	}

 	if(flag == 0)
 	{
 //		DLOG("no such section: %s", section);
 		printf("no such section: %s\n", section);
 	}

 	fclose(fp);
 	return "";
 }

 /**
  * Read integer type value from configure file in section
  * @param section :pursuant flag
  * @param key :to read property
  * @param filename :to reading file
  * @return reading key or NULL
  */
 int ini_get_int(char *section, char *key, char *filename)
 {
 	return atoi(ini_get_string(section, key, filename));
 }

#ifndef INI_HANDLE_H
#define INI_HANDLE_H

#include <stdio.h>  
#include <string.h>


/**
 * Read sting type value from configure file in section
 * @param section :pursuant flag
 * @param key :to read property
 * @param filename :to reading file
 * @return reading key or NULL
 */
char *ini_get_string(char *section, char *key, char *filename);

/**
 * Read integer type value from configure file in section
 * @param section :pursuant flag
 * @param key :to read property
 * @param filename :to reading file
 * @return reading key or NULL
 */
int ini_get_int(char *section, char *key, char *filename);


#endif