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/* verificador.c */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
/* maximum word def */
#define MAXNW 50
/* maximum word length including \0 */
#define MAXWL 19
/* This function does what its name tells */
void exitNow(int s) {
exit(0);
}
/* reads forbidden word list from file */
/* assume all words have at most 19 chars */
/* file must not have more than one word per line */
/* return number of word read */
int readWordFile(FILE * f, char wdef[][MAXWL], int maxw) {
int numw = 0;
while (!feof(f) && numw < maxw)
if (fscanf(f,"%s", wdef[numw])>0)
numw++;
return numw;
}
/* checks word agains forbidden word dictionary */
/* word must match exactly - partials do not count */
/* returns 0 or 1*/
int checkWord(char * word, char wdef[][MAXWL], int maxw) {
int i;
for (i=0; i<maxw;i++)
printf("w1 - %s || w2 - %s\n",word,wdef[i]);
if (!strcmp(word,wdef[i]))
return 1;
return 0;
}
/* The main fuction. It's kind of useful to exist */
int main(int argc, char** argv) {
char forbwords[MAXNW][MAXWL];
char word[MAXWL];
int numw; /* number of words */
int numhits; /* hits in this message */
int justprinted;
FILE * wordsf;
if (argc<2) {
printf("ERROR-1\n");
return 1;
}
wordsf = fopen(argv[1], "r");
if (wordsf == NULL) {
printf("ERROR-2\n");
return 2;
}
numw = readWordFile(wordsf, forbwords, MAXNW);
fclose(wordsf);
if (numw < 1) {
printf("ERROR-3\n");
return 3;
}
signal(SIGUSR2, exitNow);
/* preps done. start text processing */
numhits = 0;
justprinted = 0;
while (!feof(stdin)) {
if (scanf("%s", word)<0)
continue;
if (!strcmp(word,"##MSGEND##")) {
printf("%d\n",numhits);
fflush(stdout);
numhits = 0; /* restart counting */
justprinted = 1;
}
else {
numhits += checkWord(word, forbwords, numw);
justprinted = 0;
}
}
printf("w - %s\n",word);
if (!justprinted)
printf("%d\n",numhits);
return 0;
}