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【C】 C加载配置文件函数

作者:Dezai.CN / 发布于2013/2/27/ 722


	char *ReadConfigfile(char *fileName, char *item)
	{
	FILE *fp;
	char *locate = NULL;
	char *pmove = NULL;
	char confLine[CONLINELENGTH] = {};
	char context[CONLINELENGTH] ={};
	int result = 1;
	char *pline;
	int itl;

	
	if((fp = fopen(fileName, "r")) == NULL)
	{
	 printf("Open file : %s failed!!/n", fileName);
	 return NULL;
	}

	while(fgets(confLine, CONLINELENGTH, fp) != NULL)
	{
	 pline = confLine;
	 if(*pline == '#')
	 {
	 memset(confLine, '0', CONLINELENGTH);
	 continue;
	 }
	 while(isspace(*pline) != 0)pline++;
	 locate = strchr(pline, '=');
	 if(locate == NULL)
	 {
	 memset(confLine, '0', CONLINELENGTH);
	 continue;
	 }
	 pmove = locate;
	 pmove--;
	 while(isspace(*pmove) != 0)pmove--;
	 itl = pmove - pline + 1;
	 if(itl == strlen(item))
	 {
	 result = strncasecmp(pline, item, itl);
	 if(result == 0)
	 {
	 locate++;
	 while(isspace(*locate) != 0)locate++;
	 pmove = locate;
	 while(isspace(*pmove) == 0)pmove++;
	 if(pmove-locate+1>0)
	 {
	 strncpy(context, locate, pmove-locate+1);
	 break;
	 }
	 else
	 {
	 return NULL;
	 }
	 }
	 else
	 {
	 memset(confLine, '0', CONLINELENGTH);
	 continue;
	 }
	 }
	 else
	 {
	 memset(confLine, '0', CONLINELENGTH);
	 continue;
	 }
	}
	fclose(fp);

	return context;
	}

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　加载配置文　

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