int yylval_token (int symbol) {
int offset = scan_offset - yyleng;
char *lexeme = inserthash(&stringset, yytext);
yylval = new_astree (symbol, filename_stack.last_filenr,
scan_linenr, offset, lexeme);
addtokens(yylval);
add_hashstack( identstack, lexeme);
return symbol;
}
int main() {
Hash htable;
Avl key;
assert(mkhash(&htable, 5) == 0);
inserthash(&htable, &key);
Avl *a = lookuphash(&htable, &key);
printf("%p\n", a);
}
int main(int argc,char* argv[])
{
//wget() for validating URL --without proxy--
if(!system("wget --spider argv[1]"))
printf("Valid URL\n");
else
printf("Invalid URL\n");
struct hash h[HASH_size];
for(int i=0;i<HASH_size;i++)
{
h[i].head1=NULL;
h[i].tail1=NULL;
h[i].countlinks=0;
}
int links=0;
int *totallinks=&links;
for(int k=0;k<174;k++)
{
int counter=k;
if(counter==0)
getpage(argv[1]);
else
{
struct node *t=head;
while(counter!=1)
{
t=t->next;
counter--;
}
getpage(t->u.str);
}
//to get the size of file in which wget gets the html code
struct stat st; //variable which will count length of file.
printf(" file exits if 0 and do not exists if not equal to 0::%d\n", stat("/home/prince/study/crawler/files/temp.txt",&st));
long int file_size=st.st_size;
printf(" size of file is %ld\n",file_size);
//allocating size to filevalistr
char *filevalistr=(char *)malloc(sizeof(char)*(file_size+1));
//copying html file data into filevalistr
int i=0;
FILE *fptr=fopen("/home/prince/study/crawler/files/temp.txt","r");
if(fptr == NULL)
{
printf("file not found\n");
exit(1);
}
char ch;
ch=getc(fptr);
while(ch != EOF)
{
filevalistr[i++]=ch;
ch=getc(fptr);
}
//filevalistr[i++]='\0';
fclose(fptr);
char p[50]={0};
// printf("hey p is%s\n",p);
int fileno=k;
createpathforfile(p,fileno);
fptr=fopen(p,"w");
fprintf(fptr,"%s",filevalistr);
//finalsize mein finalstring k andar jitni rows store hai unka size hai
int finalsize;
int *ptr=&finalsize;
//printf("filevali str is \n %s\n",filevalistr);
char **finalstorestr=extracturls(filevalistr,ptr);
//printfinalstore(finalsize,finalstorestr);
int key;
for(int i=0;i<finalsize;i++)
{
key=hash(finalstorestr[i]);
inserthash(h,key,finalstorestr[i],3,totallinks);
}
}
printlist();
printf("total no of links are %d\n",*totallinks);
}