conf.c

基于linux下C语言实现的CMPP通信协议

/* 
	conf.c by jiniang 2005.05.11 
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#include "conf.h"

int conf_trim(char * result,char * string)
{
	char *ptr=string;
	/* trim left */
	while(strchr(" \f\n\r\t\v",*ptr) && *ptr)
		++ptr;
	strcpy(result,ptr);
	/* trim right */
	for(ptr=result;*ptr;++ptr);
	for(--ptr;strchr(" \f\n\r\t\v",*ptr) && ptr!=result;--ptr)
		*ptr='\0';
	return 0;
}

int conf_load(char *path,struct conf *cfg)
{
	struct conf *pconf=(struct conf*)cfg;
	char string[1024];
	memset(string,0,1024);
	FILE * file=fopen(path,"rb");
	if(!file) return -1;
	size_t len=fread(string,1024,1,file);
	char *p=string;
	char *e=string;
	while(*p)
	{
		while(!(*e=='\0' || *e=='\n'))
			e++;
		char tmp[512];
		memset(tmp,0,512);
		strncpy(tmp,p,e-p);

		// skip # //
		char *ptr=strchr(tmp,'#');
		if(ptr) *ptr='\0';

		// set value //
		char *equ=strchr(tmp,'=');
		if(equ)
		{
			*equ='\0';
			char *name=tmp;
			char *value=++equ;
			conf_trim(pconf->name,name);
			conf_trim(pconf->value,value);
			pconf++;
		}
		p=++e;
	}
	memset(pconf,0,sizeof(struct conf));
	fclose(file);
	return 0;
}
char* conf_getvalue(struct conf *cfg,char *name)
{
	struct conf *pconf=(struct conf*)cfg;
	while(*(pconf->name)!='\0')
	{
		if(!strcasecmp(pconf->name,name))
			return pconf->value;
		pconf++;
	}
	return (char*)0;
}