int main (){
FILE *input;
input = fopen("text.txt", "r");
char *str = strnew();
sentence_t *currSentence = sentence_create();
text_t *text = text_create();
while (1) {
char c = fgetc(input);
if (c == EOF || isspace(c) || c == ',' || c == '.' || c == '!' || c == '?' || c == ';') {
if (strlen(str) != 0) {
word_t *word = word_new(str);
sentence_add(currSentence, word);
free (str);
word_free (word);
str = strnew();
}
}
if (c == EOF || c == '.' || c == '!' || c == '?') {
text_add (text, currSentence);
sentence_free(currSentence);
currSentence = sentence_create();
}
if (c == EOF) break;
if (isalpha(c)) {
c = tolower(c);
char *w = stradd(str, c);
free (str);
str = w;
}
}
fclose (input);
FILE *output;
output = fopen("result.txt", "w");
input = fopen ("stopwords.txt", "r");
int stopCount, i;
fscanf (input, "%d", &stopCount);
for (i = 0; i < stopCount; i++) {
char s[15];
fscanf (input, "%s", s);
fprintf (output, "%s: %d\n", s, text_find (text, s));
}
fclose (input);
fclose (output);
free (str);
sentence_free(currSentence);
text_free(text);
return 0;
}
void prepare_bpft(void)
{
unsigned udp10_mbs, udp10_mbc, udp11_mbs, udp11_mbc;
text_list bpfl;
text_ptr text;
size_t len;
/* Prepare the must-be-set and must-be-clear tests. */
udp10_mbs = udp10_mbc = udp11_mbs = udp11_mbc = 0U;
if ((dir_wanted & DIR_INITIATE) != 0) {
if ((dir_wanted & DIR_RESPONSE) == 0)
udp10_mbc |= UDP10_QR_MASK;
} else if ((dir_wanted & DIR_RESPONSE) != 0) {
udp10_mbs |= UDP10_QR_MASK;
}
if ((msg_wanted & MSG_UPDATE) != 0) {
if ((msg_wanted & (MSG_QUERY | MSG_NOTIFY)) == 0)
udp10_mbs |= (ns_o_update << UDP10_OP_SHIFT);
} else if ((msg_wanted & MSG_NOTIFY) != 0) {
if ((msg_wanted & (MSG_QUERY | MSG_UPDATE)) == 0)
udp10_mbs |= (ns_o_notify << UDP10_OP_SHIFT);
} else if ((msg_wanted & MSG_QUERY) != 0) {
udp10_mbc |= UDP10_OP_MASK;
}
if (err_wanted == ERR_NO) {
udp10_mbc |= UDP10_TC_MASK;
udp11_mbc |= UDP11_RC_MASK;
}
/*
* Model
* (vlan) and (transport)
* (vlan) and ((icmp) or (frags) or (dns))
* (vlan) and ((icmp) or (frags) or ((ports) and (hosts)))
* (vlan) and ((icmp) or (frags) or (((tcp) or (udp)) and (hosts)))
* [(vlan) and] ( [(icmp) or] [(frags) or] ( ( [(tcp) or] (udp) ) [and (hosts)] ) )
*/
/* Make a BPF program to do early course kernel-level filtering. */
INIT_LIST(bpfl);
len = 0;
if (!EMPTY(vlans_excl))
len += text_add(&bpfl, "vlan and ("); /* vlan and ( transports ... */
else
len += text_add(&bpfl, "("); /* ( transports ... */
if (wanticmp) {
len += text_add(&bpfl, " ( ip proto 1 or ip proto 58 ) or");
}
if (wantfrags) {
len += text_add(&bpfl, " ( ip[6:2] & 0x1fff != 0 or ip6[6] = 44 ) or");
}
len += text_add(&bpfl, " ("); /* ( dns ... */
len += text_add(&bpfl, " ("); /* ( ports ... */
if (wanttcp) {
len += text_add(&bpfl, " ( tcp port %d ) or", dns_port);
/* tcp packets can be filtered by initiators/responders, but
* not mbs/mbc. */
}
len += text_add(&bpfl, " ( udp port %d", dns_port);
if (!v6bug) {
if (udp10_mbc != 0)
len += text_add(&bpfl, " and udp[10] & 0x%x = 0",
udp10_mbc);
if (udp10_mbs != 0)
len += text_add(&bpfl, " and udp[10] & 0x%x = 0x%x",
udp10_mbs, udp10_mbs);
if (udp11_mbc != 0)
len += text_add(&bpfl, " and udp[11] & 0x%x = 0",
udp11_mbc);
/* Dead code, udp11_mbs never set
if (udp11_mbs != 0)
len += text_add(&bpfl, " and udp[11] & 0x%x = 0x%x",
udp11_mbs, udp11_mbs);
*/
if (err_wanted != ERR_NO) {
len += text_add(&bpfl, " and (");
if ((err_wanted & ERR_TRUNC) != 0) {
len += text_add(&bpfl, " udp[10] & 0x%x = 0x%x or", UDP10_TC_MASK, UDP10_TC_MASK);
}
len += text_add(&bpfl, " 0x%x << (udp[11] & 0xf) & 0x%x != 0 )", ERR_RCODE_BASE, err_wanted);
}
}
len += text_add(&bpfl, " )"); /* ... udp 53 ) */
len += text_add(&bpfl, " )"); /* ... ports ) */
if (options.bpf_hosts_apply_all) {
len += text_add(&bpfl, " )"); /* ... dns ) */
len += text_add(&bpfl, " )"); /* ... transport ) */
}
if (!EMPTY(initiators) || !EMPTY(responders)) {
const char* or = "or", *lp = "(", *sep;
endpoint_ptr ep;
len += text_add(&bpfl, " and host");
sep = lp;
for (ep = HEAD(initiators);
ep != NULL;
ep = NEXT(ep, link)) {
len += text_add(&bpfl, " %s %s", sep, ia_str(ep->ia));
sep = or ;
}
for (ep = HEAD(responders);
ep != NULL;
ep = NEXT(ep, link)) {
len += text_add(&bpfl, " %s %s", sep, ia_str(ep->ia));
sep = or ;
}
len += text_add(&bpfl, " )");
}
if (!EMPTY(not_initiators) || !EMPTY(not_responders)) {
const char* or = "or", *lp = "(", *sep;
endpoint_ptr ep;
len += text_add(&bpfl, " and not host");
sep = lp;
for (ep = HEAD(not_initiators);
ep != NULL;
ep = NEXT(ep, link)) {
len += text_add(&bpfl, " %s %s", sep, ia_str(ep->ia));
sep = or ;
}
for (ep = HEAD(not_responders);
ep != NULL;
ep = NEXT(ep, link)) {
len += text_add(&bpfl, " %s %s", sep, ia_str(ep->ia));
sep = or ;
}
len += text_add(&bpfl, " )");
}
if (!options.bpf_hosts_apply_all) {
len += text_add(&bpfl, " )"); /* ... dns ) */
len += text_add(&bpfl, " )"); /* ... transport ) */
}
if (extra_bpf)
len += text_add(&bpfl, " and ( %s )", extra_bpf);
bpft = calloc(len + 1, sizeof(char));
assert(bpft != NULL);
for (text = HEAD(bpfl);
text != NULL;
text = NEXT(text, link))
strcat(bpft, text->text);
text_free(&bpfl);
if (!EMPTY(vlans_incl)) {
static char* bpft_vlan;
len = (2 * strlen(bpft)) + 64; /* add enough for the extra in snprintf() below */
bpft_vlan = calloc(len, sizeof(char));
assert(bpft_vlan != NULL);
snprintf(bpft_vlan, len, "( %s ) or ( vlan and ( %s ) )", bpft, bpft);
bpft = realloc(bpft, len);
assert(bpft != NULL);
strcpy(bpft, bpft_vlan);
free(bpft_vlan);
}
if (dumptrace >= 1)
fprintf(stderr, "%s: \"%s\"\n", ProgramName, bpft);
}