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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common.h"
#include "cfg.h"
/* struct cfg_line
{
char *parameter,
void *variable,
int type;
int mandatory;
int min;
int max;
};
*/
/* struct cfg_line cfg[]=
{*/
/* PARAMETER ,VAR ,FUNC, TYPE(0i,1s),MANDATORY,MIN,MAX */
/* {"StartSuckers",&Suckers,0, 0 ,1 ,2,255},
{0}
};*/
int parse_cfg_file(char *cfg_file,struct cfg_line *cfg)
{
FILE *file;
char line[MAX_STRING_LEN+1];
char parameter[MAX_STRING_LEN+1];
char *value;
int lineno;
int i,var;
char **c;
int (*func)();
file=fopen(cfg_file,"r");
if(NULL == file)
{
fprintf(stderr, "Cannot open config file [%s] [%m]\n",cfg_file);
return FAIL;
}
lineno=0;
while(fgets(line,MAX_STRING_LEN,file) != NULL)
{
lineno++;
if(line[0]=='#') continue;
if(strlen(line)==1) continue;
strncpy(parameter,line,MAX_STRING_LEN);
value=strstr(line,"=");
if(NULL == value)
{
fprintf(stderr, "Error in line [%s] Line %d\n", line, lineno);
return FAIL;
}
value++;
value[strlen(value)-1]=0;
parameter[value-line-1]=0;
i=0;
while(cfg[i].parameter != 0)
{
if(strcmp(cfg[i].parameter, parameter) == 0)
{
if(cfg[i].function != 0)
{
func=cfg[i].function;
if(func(value)!=SUCCEED)
{
fprintf(stderr, "Wrong value of [%s] in line %d.\n", cfg[i].parameter, lineno);
return FAIL;
}
}
else
{
if(cfg[i].type == TYPE_INT)
{
var=atoi(value);
if( (cfg[i].min!=0) || (cfg[i].max!=0))
{
if( (var<cfg[i].min) || (var>cfg[i].max) )
{
fprintf(stderr, "Wrong value of [%s] in line %d. Should be between %d and %d.\n", cfg[i].parameter, lineno, cfg[i].min, cfg[i].max);
return FAIL;
}
}
*((int*)cfg[i].variable)=var;
}
else
{
/* Can this be done without "c" ? */
c=(char **)cfg[i].variable;
*c=(char *)strdup(value);
/* *((char*)cfg[i].variable)=strdup(value);*/
}
}
}
i++;
}
}
/* Check for mandatory parameters */
i=0;
while(cfg[i].parameter != 0)
{
if(cfg[i].mandatory ==1)
{
if(cfg[i].type == TYPE_INT)
{
/* pointer=(int *)cfg[i].variable;
if(*pointer==0)*/
if(*((int*)cfg[i].variable) == 0)
{
fprintf(stderr,"Missing mandatory parameter [%s]\n", cfg[i].parameter);
return FAIL;
}
}
if(cfg[i].type == TYPE_STRING)
{
c=(char **)cfg[i].variable;
if(*c==NULL)
{
fprintf(stderr, "Missing mandatory parameter [%s]\n", cfg[i].parameter);
return FAIL;
}
}
}
i++;
}
return SUCCEED;
}
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