?? file.c
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define FileOpenFail -1401
#define EnvFileFail -1402
GetEnv(char *filename,char *envname,char *envval)
{
FILE *fp;
char fileline[200];
char fileenv[100];
char fileenvval[100];
fp=fopen(filename,"r");
if (fp==NULL)
{ ShowMsg("FILE %s CAN NOT OPEN \n",filename);
return FileOpenFail;
}
while(!feof(fp))
{
if (fgets(fileline,200,fp)==NULL) break;
if (strlen(fileline)!=0) fileline[strlen(fileline)-1]='\0';
memset(fileenv,'\0',sizeof(fileenv));
memset(fileenvval,'\0',sizeof(fileenvval));
strdepart(fileline,'=',fileenv,fileenvval);
if (strcmp(fileenv,envname)==0)
{strcpy(envval,fileenvval);
fclose(fp);
return(0);
}
}
return(0);
}
strdepart(char *a,char d,char *a1,char *a2)
{
int i=0,j=0;
if (a[i]=='\0') return(0);
while(1)
{
if (a[i]=='\0') break;
if (a[i]==d) break;
a1[i]=a[i];
i++;
}
if (a[i]=='\0')
{ ShowMsg("EnvFile Line: %s Not Correct!\n",a);
return(EnvFileFail);}
strcpy(a2,a+i+1);
}
long GetFileSize(char *Filename)
{
FILE *fp;
long lSize;
fp=fopen(Filename,"r");
if (fp==NULL) return (-1);
fseek(fp,0,SEEK_END);
/* fgetpos(fp,&lSize); */
lSize=ftell(fp);
fseek(fp,0,SEEK_SET);
fclose(fp);
return lSize;
}
/*
char MsgLog[30]="./1.log";
main()
{ long a;
a=GetFileSize("./tmp51");
printf("filesize=%d\n",a);
}*/
/*
main()
{ char ip[100];
GetEnv("1.cfg","nj400_ipaddr",ip);
printf("get ip= %s len=%d\n",ip,strlen(ip));
LookChar(ip,strlen(ip));
}*/
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