嵌入式CGI开发之旅——番外

前面提到，那个C源程序有点问题，其实就是HTML标签没有安装XHTML的规范来写，现在贴出更改后的mian函数

int main(void)
{
char *lenstr;
char input[MAXINPUT], data[MAXINPUT];
long len;
//printf("%s%c%c\n\n","Content-Type:text/html;charset=iso-8859-1",13,10);
printf("Content-Type:text/html\n\n");
printf("\n");
printf("\n\n\n");
printf("\n");
lenstr = getenv("CONTENT_LENGTH");
if(lenstr == NULL || sscanf(lenstr,"%ld",&len)!=1 || len > MAXLEN)
  printf("

Error in invocation - wrong FORM probably.

\n");
else {
  FILE *f;
  fgets(input, len 1, stdin);
  unencode(input EXTRA, input len, data);
  f = fopen(DATAFILE, "a");
  if(f == NULL)
    printf("

Sorry, cannot store your data.

\n");
  else
    fputs(data, f);
  fclose(f);
  printf("

Thank you! Your contribution has been stored.

\n");
  }
printf("\n\n");
return 0;
}